Scientific Name | Common Name | |
Abies ↳ Key to Abies | FIR | |
Abies ×shastensis (Under Abies magnifica var. shastensis) | | Synonym |
Abies amabilis | PACIFIC SILVER FIR | Native |
Abies bracteata | BRISTLECONE FIR | Native |
Abies concolor | WHITE FIR | Native |
Abies grandis | GRAND FIR | Native |
Abies lasiocarpa var. lasiocarpa | SUBALPINE FIR | Native |
Abies lowiana (Under Abies concolor) | | Synonym |
Abies magnifica | CALIFORNIA RED FIR | Native |
Abies magnifica var. critchfieldii | CRITCHFIELD RED FIR | Native |
Abies magnifica var. magnifica | | Native |
Abies magnifica var. shastensis | SHASTA RED FIR | Native |
Abies procera | NOBLE FIR | Native |
Abies venusta (Under Abies bracteata) | | Synonym |
Abronia ↳ Key to Abronia | SAND-VERBENA | |
Abronia alpina | RAMSHAW MEADOWS ABRONIA | Native |
Abronia crux-maltae (Under Tripterocalyx crux-maltae) | | Synonym |
Abronia latifolia | | Native |
Abronia maritima | RED SAND-VERBENA | Native |
Abronia micrantha (Under Tripterocalyx micranthus) | | Synonym |
Abronia nana subsp. covillei (Under Abronia nana var. covillei) | | Synonym |
Abronia nana var. covillei | COVILLE'S DWARF ABRONIA | Native |
Abronia pogonantha | | Native |
Abronia turbinata | | Native |
Abronia umbellata | | Native |
Abronia umbellata subsp. alba (Under Abronia umbellata) | | Synonym |
Abronia umbellata subsp. breviflora (Under Abronia umbellata var. breviflora) | | Synonym |
Abronia umbellata subsp. platyphylla (Under Abronia umbellata) | | Synonym |
Abronia umbellata subsp. umbellata (Under Abronia umbellata var. umbellata) | | Synonym |
Abronia umbellata subsp. variabilis (Under Abronia umbellata) | | Synonym |
Abronia umbellata var. breviflora | PINK SAND-VERBENA | Native |
Abronia umbellata var. umbellata | | Native |
Abronia villosa | | Native |
Abronia villosa var. aurita | CHAPARRAL SAND-VERBENA | Native |
Abronia villosa var. villosa | | Native |
Abutilon ↳ Key to Abutilon | | |
Abutilon crispum (Under Herissantia crispa) | | Synonym |
Abutilon palmeri | | Native |
Abutilon parvulum | DWARF ABUTILON | Native |
Abutilon theophrasti | VELVET-LEAF | Naturalized |
Acacia ↳ Key to Acacia | | |
Acacia armata (Under Acacia paradoxa) | | Synonym |
Acacia baileyana | COOTAMUNDRA WATTLE | Naturalized |
Acacia cyclops | WESTERN COASTAL WATTLE | Naturalized |
Acacia dealbata | SILVER WATTLE | Naturalized |
Acacia decurrens | GREEN WATTLE | Waif |
Acacia decurrens var. dealbata (Under Acacia dealbata) | | Synonym |
Acacia farnesiana subsp. minuta (Under Vachellia farnesiana var. minuta) | | Synonym |
Acacia farnesiana var. farnesiana (Under Vachellia farnesiana var. farnesiana) | | Synonym |
Acacia greggii (Under Senegalia greggii) | | Synonym |
Acacia greggii var. greggii (Under Senegalia greggii) | | Synonym |
Acacia longifolia | SYDNEY GOLDEN WATTLE | Naturalized |
Acacia lophantha (Under Paraserianthes lophantha) | | Synonym |
Acacia mearnsii | BLACK WATTLE | Waif |
Acacia melanoxylon | BLACKWOOD ACACIA | Naturalized |
Acacia minuta (Under Vachellia farnesiana var. minuta) | | Synonym |
Acacia paradoxa | KANGAROO THORN | Waif |
Acacia podalyriifolia | QUEENSLAND SILVER WATTLE | Waif |
Acacia pycnantha | GOLDEN WATTLE | Waif |
Acacia redolens | VANILLA-SCENTED WATTLE | Naturalized |
Acacia retinodes | EVERBLOOMING WATTLE | Waif |
Acacia saligna | GOLDEN WREATH WATTLE | Naturalized |
Acacia verticillata | STAR ACACIA, PRICKLY MOSES | Waif |
Acaena ↳ Key to Acaena | | |
Acaena anserinifolia (Under Acaena novae-zelandiae) | | Misapplied name |
Acaena californica | | Native |
Acaena novae-zelandiae | BIDDY-BIDDY | Naturalized |
Acaena pallida | | Naturalized |
Acaena pinnatifida var. californica (Under Acaena californica) | | Synonym |
Acalypha | | |
Acalypha californica | | Native |
Acamptopappus ↳ Key to Acamptopappus | GOLDENHEAD | |
Acamptopappus shockleyi | SHOCKLEY'S GOLDENHEAD | Native |
Acamptopappus sphaerocephalus | RAYLESS GOLDENHEAD | Native |
Acamptopappus sphaerocephalus var. hirtellus | | Native |
Acamptopappus sphaerocephalus var. sphaerocephalus | | Native |
Acanthaceae ↳ Key to Acanthaceae | ACANTHUS FAMILY | |
Acanthogonum corrugatum (Under Chorizanthe corrugata) | | Synonym |
Acanthogonum polygonoides (Under Chorizanthe polygonoides var. polygonoides) | | Synonym |
Acanthogonum polygonoides var. longispinum (Under Chorizanthe polygonoides var. longispina) | | Synonym |
Acanthogonum polygonoides var. polygonoides (Under Chorizanthe polygonoides var. polygonoides) | | Synonym |
Acanthogonum rigidum (Under Chorizanthe rigida) | | Synonym |
Acanthomintha ↳ Key to Acanthomintha | THORNMINT | |
Acanthomintha duttonii | SAN MATEO THORNMINT | Native |
Acanthomintha ilicifolia | SAN DIEGO THORNMINT | Native |
Acanthomintha lanceolata | SANTA CLARA THORNMINT | Native |
Acanthomintha obovata | | Native |
Acanthomintha obovata subsp. cordata | HEART-LEAVED THORNMINT | Native |
Acanthomintha obovata subsp. duttonii (Under Acanthomintha duttonii) | | Synonym |
Acanthomintha obovata subsp. obovata | SAN BENITO THORNMINT | Native |
Acanthoscyphus | | |
Acanthoscyphus parishii ↳ Key to Acanthoscyphus parishii | FLOWERY PUNCTUREBRACT | Native |
Acanthoscyphus parishii var. abramsii | ABRAMS' OXYTHECA | Native |
Acanthoscyphus parishii var. cienegensis | CIENEGA SECA OXYTHECA | Native |
Acanthoscyphus parishii var. goodmaniana | CUSHENBURY OXYTHECA | Native |
Acanthoscyphus parishii var. parishii | PARISH'S OXYTHECA | Native |
Acer ↳ Key to Acer | MAPLE | |
Acer campestre | HEDGE MAPLE | Waif |
Acer circinatum | VINE MAPLE | Native |
Acer glabrum | MOUNTAIN MAPLE | Native |
Acer glabrum var. diffusum | | Native |
Acer glabrum var. glabrum | | Native |
Acer glabrum var. greenei (Under Acer glabrum var. glabrum) | | Synonym |
Acer glabrum var. torreyi (Under Acer glabrum var. glabrum) | | Synonym |
Acer macrophyllum | BIG-LEAF MAPLE | Native |
Acer negundo | BOX ELDER | Native |
Acer negundo var. arizonicum (Under Acer negundo) | | Synonym |
Acer negundo var. californicum (Under Acer negundo) | | Synonym |
Acer negundo var. interius (Under Acer negundo) | | Synonym |
Acer saccharinum | SILVER MAPLE | Naturalized |
Achillea | YARROW | |
Achillea borealis subsp. arenicola (Under Achillea millefolium) | | Synonym |
Achillea borealis subsp. californica (Under Achillea millefolium) | | Synonym |
Achillea lanulosa subsp. alpicola (Under Achillea millefolium) | | Synonym |
Achillea lanulosa var. lanulosa (Under Achillea millefolium) | | Synonym |
Achillea millefolium | | Native |
Achillea millefolium subsp. lanulosa (Under Achillea millefolium) | | Synonym |
Achillea millefolium var. alpicola (Under Achillea millefolium) | | Synonym |
Achillea millefolium var. arenicola (Under Achillea millefolium) | | Synonym |
Achillea millefolium var. borealis (Under Achillea millefolium) | | Synonym |
Achillea millefolium var. californica (Under Achillea millefolium) | | Synonym |
Achillea millefolium var. gigantea (Under Achillea millefolium) | | Synonym |
Achillea millefolium var. littoralis (Under Achillea millefolium) | | Synonym |
Achillea millefolium var. pacifica (Under Achillea millefolium) | | Synonym |
Achillea millefolium var. puberula (Under Achillea millefolium) | | Synonym |
Achlys ↳ Key to Achlys | VANILLA LEAF | |
Achlys californica | | Native |
Achlys triphylla subsp. triphylla | | Native |
Achnatherum aridum (Under Stipa arida) | | Synonym |
Achnatherum brachychaetum (Under Stipa brachychaeta) | | Synonym |
Achnatherum coronatum (Under Stipa coronata) | | Synonym |
Achnatherum diegoense (Under Stipa diegoensis) | | Synonym |
Achnatherum hymenoides (Under Stipa hymenoides) | | Synonym |
Achnatherum latiglume (Under Stipa latiglumis) | | Synonym |
Achnatherum lemmonii subsp. lemmonii (Under Stipa lemmonii var. lemmonii) | | Synonym |
Achnatherum lemmonii subsp. pubescens (Under Stipa lemmonii var. pubescens) | | Synonym |
Achnatherum lettermanii (Under Stipa lettermanii) | | Synonym |
Achnatherum nelsonii subsp. dorei (Under Stipa nelsonii var. dorei) | | Synonym |
Achnatherum nevadense (Under Stipa nevadensis) | | Synonym |
Achnatherum occidentale subsp. californicum (Under Stipa occidentalis var. californica) | | Synonym |
Achnatherum occidentale subsp. occidentale (Under Stipa occidentalis var. occidentalis) | | Synonym |
Achnatherum occidentale subsp. pubescens (Under Stipa occidentalis var. pubescens) | | Synonym |
Achnatherum parishii subsp. parishii (Under Stipa parishii var. parishii) | | Synonym |
Achnatherum parishii var. parishii (Under Stipa parishii var. parishii) | | Synonym |
Achnatherum pinetorum (Under Stipa pinetorum) | | Synonym |
Achnatherum speciosum (Under Stipa speciosa) | | Synonym |
Achnatherum stillmanii (Under Stipa stillmanii) | | Synonym |
Achnatherum thurberianum (Under Stipa thurberiana) | | Synonym |
Achnatherum webberi (Under Stipa webberi) | | Synonym |
Achyrachaena | BLOW-WIVES | |
Achyrachaena mollis | | Native |
Achyranthes lanuginosa (Under Tidestromia lanuginosa) | | Synonym |
Achyronychia | | |
Achyronychia cooperi | ONYX FLOWER, FROST-MAT | Native |
Achyronychia rixfordii (Under Scopulophila rixfordii) | | Synonym |
Acleisanthes ↳ Key to Acleisanthes | TRUMPETS | |
Acleisanthes longiflora | ANGEL TRUMPETS | Native |
Acleisanthes nevadensis | DESERT WING-FRUIT | Native |
Acmispon ↳ Key to Acmispon | DEERVETCH, DEERWEED | |
Acmispon americanus var. americanus | | Native |
Acmispon argophyllus | | Native |
Acmispon argophyllus var. adsurgens | SAN CLEMENTE ISLAND BIRD'S-FOOT TREFOIL | Native |
Acmispon argophyllus var. argenteus | | Native |
Acmispon argophyllus var. argophyllus | | Native |
Acmispon argophyllus var. fremontii | | Native |
Acmispon argophyllus var. niveus | SANTA CRUZ ISLAND BIRD'S-FOOT TREFOIL | Native |
Acmispon argyraeus | | Native |
Acmispon argyraeus var. argyraeus | | Native |
Acmispon argyraeus var. multicaulis | SCRUB LOTUS | Native |
Acmispon argyraeus var. notitius | PROVIDENCE MOUNTAINS LOTUS | Native |
Acmispon brachycarpus | | Native |
Acmispon cytisoides | | Native |
Acmispon decumbens | | Native |
Acmispon decumbens var. davidsonii | | Native |
Acmispon decumbens var. decumbens | | Native |
Acmispon dendroideus | | Native |
Acmispon dendroideus var. dendroideus | ISLAND BROOM | Native |
Acmispon dendroideus var. traskiae | SAN CLEMENTE ISLAND LOTUS | Native |
Acmispon dendroideus var. veatchii | SAN MIGUEL ISLAND DEERWEED | Native |
Acmispon denticulatus | | Native |
Acmispon glaber | DEERWEED, CALIFORNIA BROOM | Native |
Acmispon glaber var. brevialatus | | Native |
Acmispon glaber var. glaber | | Native |
Acmispon grandiflorus | | Native |
Acmispon grandiflorus var. grandiflorus | | Native |
Acmispon grandiflorus var. macranthus | | Native |
Acmispon haydonii | PYGMY LOTUS | Native |
Acmispon heermannii (Under Acmispon tomentosus) | | Superfluous name |
Acmispon heermannii var. heermannii (Under Acmispon tomentosus var. glabriusculus) | | Superfluous name |
Acmispon heermannii var. orbicularis (Under Acmispon tomentosus var. tomentosus) | | Superfluous name |
Acmispon junceus | | Native |
Acmispon junceus var. biolettii | | Native |
Acmispon junceus var. junceus | | Native |
Acmispon maritimus | | Native |
Acmispon maritimus var. brevivexillus | | Native |
Acmispon maritimus var. maritimus | | Native |
Acmispon micranthus | | Native |
Acmispon nevadensis (Under Acmispon decumbens) | | Superfluous name |
Acmispon nevadensis var. davidsonii (Under Acmispon decumbens var. davidsonii) | | Superfluous name |
Acmispon nevadensis var. nevadensis (Under Acmispon decumbens var. decumbens) | | Superfluous name |
Acmispon parviflorus | | Native |
Acmispon procumbens | | Native |
Acmispon procumbens var. jepsonii | | Native |
Acmispon procumbens var. procumbens | | Native |
Acmispon prostratus | NUTTALL'S ACMISPON | Native |
Acmispon rigidus | | Native |
Acmispon rubriflorus | RED-FLOWERED BIRD'S-FOOT TREFOIL | Native |
Acmispon strigosus | | Native |
Acmispon strigosus var. hirtellus (Under Acmispon strigosus) | | Synonym |
Acmispon tomentosus | | Native |
Acmispon tomentosus var. glabriusculus | | Native |
Acmispon tomentosus var. tomentosus | | Native |
Acmispon wrangelianus | | Native |
Aconitum | MONKSHOOD | |
Aconitum bulbiferum (Under Aconitum columbianum subsp. viviparum) | | Illegitimate name |
Aconitum columbianum ↳ Key to Aconitum columbianum | | Native |
Aconitum columbianum subsp. columbianum | | Native |
Aconitum columbianum subsp. pallidum (Under Aconitum columbianum subsp. columbianum) | | Synonym |
Aconitum columbianum subsp. viviparum | | Native |
Aconitum columbianum var. columbianum (Under Aconitum columbianum subsp. columbianum) | | Synonym |
Aconitum columbianum var. howellii (Under Aconitum columbianum subsp. viviparum) | | Synonym |
Aconitum columbianum var. ochroleucum (Under Aconitum columbianum subsp. columbianum) | | Synonym |
Aconitum geranioides (Under Aconitum columbianum subsp. columbianum) | | Synonym |
Aconitum hansenii (Under Aconitum columbianum subsp. viviparum) | | Synonym |
Aconitum helleri (Under Aconitum columbianum subsp. columbianum) | | Synonym |
Aconitum leibergii (Under Aconitum columbianum subsp. columbianum) | | Synonym |
Aconitum mogollonicum (Under Aconitum columbianum subsp. columbianum) | | Synonym |
Aconitum noveboracense (Under Aconitum columbianum subsp. columbianum) | | Synonym |
Aconitum uncinatum subsp. noveboracense (Under Aconitum columbianum subsp. columbianum) | | Synonym |
Aconitum viviparum (Under Aconitum columbianum subsp. viviparum) | | Synonym |
Aconogonon ↳ Key to Aconogonon | | |
Aconogonon davisiae | | Native |
Aconogonon davisiae var. glabrum (Under Aconogonon davisiae) | | Synonym |
Aconogonon newberryi | | Native |
Aconogonon phytolaccifolium | | Native |
Aconogonon phytolaccifolium var. glabrum (Under Aconogonon phytolaccifolium) | | Synonym |
Aconogonon polystachyum (Under Persicaria wallichii) | | Synonym |
Acourtia | | |
Acourtia microcephala | | Native |
Acroptilon repens (Under Rhaponticum repens) | | Synonym |
Actaea | BANEBERRY | |
Actaea rubra | | Native |
Actaea rubra subsp. arguta (Under Actaea rubra) | | Synonym |
Adelinia | | |
Adelinia grandis | ADELINIA | Native |
Adenocaulon | | |
Adenocaulon bicolor | TRAIL PLANT | Native |
Adenophyllum ↳ Key to Adenophyllum | | |
Adenophyllum cooperi | | Native |
Adenophyllum porophylloides | | Native |
Adenostoma ↳ Key to Adenostoma | | |
Adenostoma fasciculatum | CHAMISE, GREASEWOOD | Native |
Adenostoma fasciculatum var. fasciculatum | | Native |
Adenostoma fasciculatum var. obtusifolium | | Native |
Adenostoma fasciculatum var. prostratum | | Native |
Adenostoma sparsifolium | RED SHANK, RIBBON WOOD | Native |
Adiantum ↳ Key to Adiantum | | |
Adiantum aleuticum | FIVE-FINGER FERN | Native |
Adiantum boreale (Under Adiantum aleuticum) | | Synonym |
Adiantum capillus-veneris | SOUTHERN MAIDENHAIR | Native |
Adiantum jordanii | CALIFORNIA MAIDENHAIR | Native |
Adiantum pedatum subsp. calderi (Under Adiantum aleuticum) | | Synonym |
Adiantum pedatum var. aleuticum (Under Adiantum aleuticum) | | Synonym |
Adiantum pedatum var. subpumilum (Under Adiantum aleuticum) | | Synonym |
Adiantum shastense | SHASTA MAIDENHAIR | Native |
Adolphia | | |
Adolphia californica | CALIFORNIA ADOLPHIA | Native |
Adonis | PHEASANT'S EYE | |
Adonis aestivalis | SUMMER PHEASANT'S EYE | Naturalized |
Aegilops ↳ Key to Aegilops | GOAT GRASS | |
Aegilops cylindrica | JOINTED GOAT GRASS | Naturalized |
Aegilops geniculata | OVATE GOAT GRASS | Waif |
Aegilops neglecta | THREE-AWNED GOAT GRASS | Naturalized |
Aegilops ovata (Under Aegilops geniculata) | | Synonym |
Aegilops triaristata (Under Aegilops neglecta) | | Synonym |
Aegilops triuncialis | BARBED GOAT GRASS | Naturalized |
Aegochloa cotulifolia (Under Navarretia cotulifolia) | | Synonym |
Aeonium ↳ Key to Aeonium | | |
Aeonium arboreum var. arboreum | | Naturalized |
Aeonium haworthii | | Naturalized |
Aeschynomene | | |
Aeschynomene rudis | ROUGH JOINTVETCH | Agricultural weed |
Aesculus | BUCKEYE | |
Aesculus californica | CALIFORNIA BUCKEYE | Native |
Agastache ↳ Key to Agastache | HORSEMINT | |
Agastache glaucifolia (Under Agastache urticifolia) | | Synonym |
Agastache parvifolia | | Native |
Agastache urticifolia | | Native |
Agastache urticifolia subsp. parvifolia (Under Agastache parvifolia) | | Synonym |
Agavaceae ↳ Key to Agavaceae | CENTURY PLANT FAMILY | |
Agave ↳ Key to Agave | CENTURY PLANT | |
Agave consociata (Under Agave deserti var. deserti) | | Synonym |
Agave deserti | | Native |
Agave deserti subsp. deserti (Under Agave deserti var. deserti) | | Synonym |
Agave deserti subsp. simplex (Under Agave deserti var. simplex) | | Synonym |
Agave deserti var. deserti | DESERT AGAVE | Native |
Agave deserti var. simplex | SIMPLE DESERT AGAVE | Native |
Agave eborispina (Under Agave utahensis var. eborispina) | | Synonym |
Agave nevadensis (Under Agave utahensis var. nevadensis) | | Synonym |
Agave orcuttiana (Under Agave shawii var. shawii) | | Synonym |
Agave pachyacantha (Under Agave shawii var. shawii) | | Synonym |
Agave shawii var. shawii | SHAW AGAVE | Native |
Agave utahensis | UTAH AGAVE | Native |
Agave utahensis var. eborispina | IVORY-SPINED AGAVE | Native |
Agave utahensis var. nevadensis | CLARK MOUNTAIN AGAVE | Native |
Ageratina ↳ Key to Ageratina | SNAKEROOT | |
Ageratina adenophora | CROFTON WEED | Naturalized |
Ageratina herbacea | DESERT AGERATINA | Native |
Ageratina occidentalis | WESTERN SNAKEROOT | Native |
Ageratina shastensis | SHASTA AGERATINA | Native |
Agnorhiza bolanderi (Under Wyethia bolanderi) | | Synonym |
Agnorhiza elata (Under Wyethia elata) | | Synonym |
Agnorhiza invenusta (Under Wyethia invenusta) | | Synonym |
Agnorhiza ovata (Under Wyethia ovata) | | Synonym |
Agnorhiza reticulata (Under Wyethia reticulata) | | Synonym |
Agoseris ↳ Key to Agoseris | | |
Agoseris ×dasycarpa | | Native |
Agoseris ×elata | | Native |
Agoseris apargioides | | Native |
Agoseris apargioides subsp. maritima (Under Agoseris apargioides var. maritima) | | Synonym |
Agoseris apargioides var. apargioides | | Native |
Agoseris apargioides var. eastwoodiae | | Native |
Agoseris apargioides var. maritima | | Native |
Agoseris aurantiaca var. aurantiaca | | Native |
Agoseris californica (Under Agoseris heterophylla var. cryptopleura) | | Synonym |
Agoseris cinerea (Under Agoseris grandiflora var. grandiflora) | | Synonym |
Agoseris decumbens (Under Agoseris ×dasycarpa) | | Synonym |
Agoseris eastwoodiae (Under Agoseris apargioides var. eastwoodiae) | | Synonym |
Agoseris elata (Under Agoseris ×elata) | | Synonym |
Agoseris glauca var. dasycephala (Under Agoseris monticola) | | Misapplied name |
Agoseris glauca var. glauca | | Native |
Agoseris glauca var. laciniata (Under Agoseris parviflora) | | Synonym |
Agoseris glauca var. monticola (Under Agoseris monticola) | | Synonym |
Agoseris gracilens (Under Agoseris aurantiaca var. aurantiaca) | | Synonym |
Agoseris grandiflora | | Native |
Agoseris grandiflora var. grandiflora | | Native |
Agoseris grandiflora var. laciniata (Under Agoseris ×elata) | | Synonym |
Agoseris grandiflora var. leptophylla | | Native |
Agoseris greenei (Under Agoseris aurantiaca var. aurantiaca) | | Synonym |
Agoseris heterophylla | | Native |
Agoseris heterophylla var. californica (Under Agoseris heterophylla var. cryptopleura) | | Synonym |
Agoseris heterophylla var. crenulata (Under Agoseris heterophylla var. cryptopleura) | | Synonym |
Agoseris heterophylla var. cryptopleura | | Native |
Agoseris heterophylla var. heterophylla | | Native |
Agoseris heterophylla var. turgida (Under Agoseris heterophylla var. cryptopleura) | | Synonym |
Agoseris hirsuta | | Native |
Agoseris intermedia (Under Agoseris grandiflora var. grandiflora) | | Synonym |
Agoseris laciniata (Under Agoseris ×elata) | | Synonym |
Agoseris lackschewitzii (Under Agoseris aurantiaca var. aurantiaca) | | Synonym |
Agoseris longula (Under Agoseris glauca var. glauca) | | Synonym |
Agoseris major (Under Agoseris heterophylla var. cryptopleura) | | Synonym |
Agoseris maritima (Under Agoseris apargioides var. maritima) | | Synonym |
Agoseris marshallii (Under Agoseris grandiflora var. grandiflora) | | Synonym |
Agoseris monticola | | Native |
Agoseris obtusifolia (Under Agoseris grandiflora var. grandiflora) | | Synonym |
Agoseris parviflora | | Native |
Agoseris plebeia (Under Agoseris grandiflora var. grandiflora) | | Synonym |
Agoseris retrorsa | | Native |
Agoseris tenuifolia (Under Agoseris ×elata) | | Synonym |
Agrimonia ↳ Key to Agrimonia | AGRIMONY | |
Agrimonia brittoniana (Under Agrimonia striata) | | Synonym |
Agrimonia gryposepala | COMMON AGRIMONY | Native |
Agrimonia macrocarpa (Under Agrimonia gryposepala) | | Synonym |
Agrimonia parviflora var. macrocarpa (Under Agrimonia gryposepala) | | Synonym |
Agrimonia striata | BRITTON'S AGRIMONY, GROOVED AGRIMONY | Native |
Agrimonia striata var. campanulata (Under Agrimonia striata) | | Synonym |
Agropyron | CRESTED WHEAT GRASS | |
Agropyron cristatum subsp. desertorum (Under Agropyron cristatum subsp. pectinatum) | | Synonym |
Agropyron cristatum subsp. pectinatum | | Naturalized |
Agropyron dasystachyum (Under Elymus lanceolatus subsp. lanceolatus) | | Synonym |
Agropyron desertorum (Under Agropyron cristatum subsp. pectinatum) | | Synonym |
Agropyron elongatum (Under Elymus ponticus) | | Synonym, in part |
Agropyron intermedium (Under Elymus hispidus) | | Synonym |
Agropyron parishii (Under Elymus stebbinsii) | | Synonym |
Agropyron pringlei (Under Elymus sierrae) | | Synonym |
Agropyron repens (Under Elymus repens) | | Synonym |
Agropyron riparium (Under Elymus lanceolatus subsp. lanceolatus) | | Synonym |
Agropyron scribneri (Under Elymus scribneri) | | Synonym |
Agropyron smithii (Under Elymus smithii) | | Synonym |
Agropyron spicatum (Under Elymus spicatus) | | Synonym |
Agropyron trachycaulum (Under Elymus trachycaulus subsp. trachycaulus) | | Synonym |
Agropyron trichophorum (Under Elymus hispidus) | | Synonym |
Agrostemma | | |
Agrostemma githago var. githago | CORN-COCKLE | Naturalized |
Agrostis ↳ Key to Agrostis | BENT GRASS | |
Agrostis alba (Under Agrostis gigantea) | | Unabridged misapplied name, in part |
Agrostis alba var. alba (Under Agrostis stolonifera) | | Misapplied name, in part |
Agrostis alba var. palustris (Under Agrostis stolonifera) | | Synonym |
Agrostis ampla (Under Agrostis exarata) | | Synonym |
Agrostis aristiglumis (Under Agrostis microphylla) | | Synonym |
Agrostis avenacea | PACIFIC BENT GRASS | Naturalized |
Agrostis blasdalei | BLASDALE'S BENT GRASS | Native |
Agrostis blasdalei var. marinensis (Under Agrostis blasdalei) | | Synonym |
Agrostis californica (Under Agrostis densiflora) | | Synonym |
Agrostis capillaris | COLONIAL BENT | Naturalized |
Agrostis clivicola (Under Agrostis densiflora) | | Synonym |
Agrostis clivicola var. punta-reyesensis (Under Agrostis densiflora) | | Synonym |
Agrostis densiflora | CALIFORNIA BENT GRASS | Native |
Agrostis diegoensis (Under Agrostis pallens) | | Synonym |
Agrostis elliottiana | SIERRA BENT GRASS | Native |
Agrostis exarata | SPIKE BENT GRASS | Native |
Agrostis exarata var. monolepis (Under Agrostis exarata) | | Synonym |
Agrostis exigua (Under Agrostis elliottiana) | | Synonym |
Agrostis filiformis (Under Agrostis avenacea) | | Synonym |
Agrostis gigantea | REDTOP | Naturalized |
Agrostis hallii | HALL'S BENT GRASS | Native |
Agrostis hendersonii | HENDERSON'S BENT GRASS | Native |
Agrostis hooveri | HOOVER'S BENT GRASS | Native |
Agrostis humilis | MOUNTAIN BENT GRASS | Native |
Agrostis idahoensis | IDAHO REDTOP | Native |
Agrostis kennedyana (Under Agrostis tandilensis) | | Synonym |
Agrostis lacuna-vernalis | VERNAL POOL BENT GRASS | Native |
Agrostis lepida (Under Agrostis pallens) | | Synonym |
Agrostis longiligula var. australis (Under Agrostis exarata) | | Synonym |
Agrostis microphylla | SMALL-LEAF BENT GRASS | Native |
Agrostis microphylla var. hendersonii (Under Agrostis hendersonii) | | Synonym |
Agrostis microphylla var. intermedia (Under Agrostis microphylla) | | Synonym |
Agrostis oregonensis | OREGON REDTOP | Native |
Agrostis pallens | DUNE BENT GRASS | Native |
Agrostis scabra | ROUGH BENT GRASS | Native |
Agrostis scabra var. geminata (Under Agrostis scabra) | | Synonym |
Agrostis semiverticillata (Under Polypogon viridis) | | Synonym |
Agrostis stolonifera | CREEPING BENT | Naturalized |
Agrostis tandilensis | KENNEDY'S BENT GRASS | Naturalized |
Agrostis tenuis (Under Agrostis capillaris) | | Synonym |
Agrostis tenuis Vasey non Sibth. (Under Agrostis idahoensis) | | Illegitimate name |
Agrostis thurberiana (Under Agrostis humilis) | | Synonym |
Agrostis variabilis | MOUNTAIN BENT GRASS | Native |
Agrostis viridis (Under Polypogon viridis) | | Synonym |
Ailanthus | | |
Ailanthus altissima | TREE OF HEAVEN | Naturalized |
Aira ↳ Key to Aira | | |
Aira caryophyllea | SILVER HAIR GRASS | Naturalized |
Aira caryophyllea var. capillaris (Under Aira elegans) | | Synonym |
Aira elegans | ELEGANT HAIR GRASS | Naturalized |
Aira elegantissima (Under Aira elegans) | | Synonym |
Aira praecox | EARLY HAIR GRASS | Naturalized |
Aira pulchella (Under Aira elegans) | | Synonym |
Aizoaceae ↳ Key to Aizoaceae | FIG-MARIGOLD or ICEPLANT FAMILY | |
Albizia | | |
Albizia julibrissin | SILK TREE, MIMOSA | Naturalized |
Albizia lophantha (Under Paraserianthes lophantha) | | Synonym |
Alcea | | |
Alcea rosea | HOLLYHOCK | Naturalized |
Alchemilla occidentalis (Under Aphanes occidentalis) | | Synonym |
Aldama | | |
Aldama purisimae | LA PURISIMA ALDAMA | Native |
Alhagi | | |
Alhagi maurorum | CAMEL THORN | Naturalized |
Alhagi pseudalhagi (Under Alhagi maurorum) | | Synonym |
Aliciella ↳ Key to Aliciella | | |
Aliciella humillima | SMALLEST ALICIELLA | Native |
Aliciella hutchinsifolia | DESERT PALE ALICIELLA | Native |
Aliciella latifolia subsp. latifolia | BROAD-LEAVED ALICIELLA | Native |
Aliciella leptomeria | SAND ALICIELLA | Native |
Aliciella lottiae | LOTT'S ALICIELLA | Native |
Aliciella micromeria | DAINTY ALICIELLA | Native |
Aliciella monoensis | MONO LAKE ALICIELLA | Native |
Aliciella ripleyi | RIPLEY'S ALICIELLA | Native |
Aliciella subacaulis (Under Aliciella monoensis) | | Misapplied name |
Aliciella triodon | COYOTE GILIA | Native |
Aliciella triodon var. humillima (Under Aliciella humillima) | | Synonym |
Alisma ↳ Key to Alisma | WATER-PLANTAIN | |
Alisma geyeri (Under Alisma gramineum) | | Synonym |
Alisma gramineum | GRASS ALISMA | Native |
Alisma lanceolatum | | Naturalized |
Alisma plantago-aquatica (Under Alisma triviale) | | Misapplied name |
Alisma subcordatum (Under Alisma triviale) | | Unabridged misapplied name |
Alisma triviale | | Native |
Alismataceae ↳ Key to Alismataceae | WATER-PLANTAIN FAMILY | |
Allenrolfea | IODINE BUSH | |
Allenrolfea occidentalis | | Native |
Alliaceae ↳ Key to Alliaceae | ONION or GARLIC FAMILY | |
Allionia | WINDMILLS | |
Allionia incarnata ↳ Key to Allionia incarnata | | Native |
Allionia incarnata var. incarnata | | Native |
Allionia incarnata var. nudata (Under Allionia incarnata var. incarnata) | | Synonym |
Allionia incarnata var. villosa | | Native |
Allium ↳ Key to Allium | ONION, GARLIC | |
Allium abramsii | | Native |
Allium acuminatum | | Native |
Allium acuminatum var. gracile (Under Allium amplectens) | | Synonym |
Allium amplectens | | Native |
Allium anceps | | Native |
Allium anserinum (Under Allium fimbriatum var. fimbriatum) | | Synonym |
Allium arenicola (Under Allium geyeri var. tenerum) | | Synonym |
Allium atrorubens | | Native |
Allium atrorubens var. atrorubens | GREAT BASIN ONION | Native |
Allium atrorubens var. cristatum | INYO ONION | Native |
Allium atrorubens var. inyonis (Under Allium atrorubens var. cristatum) | | Synonym |
Allium attenuifolium (Under Allium amplectens) | | Synonym |
Allium attenuifolium var. monospermum (Under Allium amplectens) | | Synonym |
Allium bisceptrum | | Native |
Allium bisceptrum var. bisceptrum (Under Allium bisceptrum) | | Synonym |
Allium bolanderi | | Native |
Allium bolanderi var. bolanderi | | Native |
Allium bolanderi var. mirabile | | Native |
Allium bolanderi var. stenanthum (Under Allium bolanderi var. bolanderi) | | Synonym |
Allium breweri (Under Allium falcifolium) | | Synonym |
Allium burlewii | | Native |
Allium campanulatum | | Native |
Allium cepa | | Waif |
Allium cratericola | | Native |
Allium crispum | | Native |
Allium croceum (Under Bloomeria crocea) | | Synonym |
Allium davisiae (Under Allium lacunosum var. davisiae) | | Synonym |
Allium denticulatum | | Native |
Allium diabloense (Under Allium diabolense) | | Orthographic variant |
Allium diabolense | | Native |
Allium dichlamydeum | | Native |
Allium falcifolium | | Native |
Allium falcifolium var. breweri (Under Allium falcifolium) | | Synonym |
Allium falcifolium var. demissum (Under Allium siskiyouense) | | Synonym |
Allium fibrosum (Under Allium geyeri var. tenerum) | | Synonym |
Allium fimbriatum | | Native |
Allium fimbriatum subsp. parryi (Under Allium parryi) | | Synonym |
Allium fimbriatum var. aboriginum (Under Allium fimbriatum var. fimbriatum) | | Synonym |
Allium fimbriatum var. abramsii (Under Allium abramsii) | | Synonym |
Allium fimbriatum var. denticulatum (Under Allium denticulatum) | | Synonym |
Allium fimbriatum var. diabolense (Under Allium diabolense) | | Synonym |
Allium fimbriatum var. fimbriatum | | Native |
Allium fimbriatum var. mohavense | | Native |
Allium fimbriatum var. munzii (Under Allium munzii) | | Synonym |
Allium fimbriatum var. purdyi | PURDY'S ONION | Native |
Allium fimbriatum var. sharsmithiae (Under Allium sharsmithiae) | | Synonym |
Allium geyeri var. graniferum (Under Allium geyeri var. tenerum) | | Synonym |
Allium geyeri var. tenerum | BULBIL ONION | Native |
Allium haematochiton | | Native |
Allium hickmanii | HICKMAN'S ONION | Native |
Allium hoffmanii | BEEGUM ONION | Native |
Allium howellii | | Native |
Allium howellii subsp. sanbenitense (Under Allium howellii var. sanbenitense) | | Synonym |
Allium howellii var. clokeyi | MOUNT PINOS ONION | Native |
Allium howellii var. howellii | | Native |
Allium howellii var. sanbenitense | | Native |
Allium hyalinum | | Native |
Allium incomptum | MINNESOTA MOUNTAIN ONION | Native |
Allium intactum (Under Allium sanbornii var. congdonii) | | Synonym |
Allium jepsonii | JEPSON'S ONION | Native |
Allium lacteum (Under Triteleia hyacinthina) | | Synonym |
Allium lacunosum | | Native |
Allium lacunosum var. davisiae | | Native |
Allium lacunosum var. kernense | | Native |
Allium lacunosum var. kernensis (Under Allium lacunosum var. kernense) | | Orthographic variant |
Allium lacunosum var. lacunosum | | Native |
Allium lacunosum var. micranthum | | Native |
Allium lemmonii | | Native |
Allium marvinii | YUCAIPA ONION | Native |
Allium membranaceum | | Native |
Allium monospermum (Under Allium amplectens) | | Synonym |
Allium monticola | | Native |
Allium monticola subsp. keckii (Under Allium monticola) | | Synonym |
Allium monticola var. keckii (Under Allium monticola) | | Synonym ined. |
Allium munzii | MUNZ'S ONION | Native |
Allium neapolitanum | | Naturalized |
Allium nevadense | NEVADA ONION | Native |
Allium nevadense var. cristatum (Under Allium atrorubens var. cristatum) | | Synonym |
Allium obtusum | | Native |
Allium obtusum var. conspicuum | | Native |
Allium obtusum var. obtusum | | Native |
Allium occidentale (Under Allium amplectens) | | Synonym |
Allium paniculatum var. paniculatum | | Naturalized |
Allium parishii | PARISH'S ONION | Native |
Allium parishii var. keckii (Under Allium monticola) | | Synonym |
Allium parryi | | Native |
Allium parvum | | Native |
Allium peirsonii (Under Allium monticola) | | Synonym |
Allium peninsulare | | Native |
Allium peninsulare var. franciscanum | FRANCISCAN ONION | Native |
Allium peninsulare var. peninsulare | | Native |
Allium platycaule | | Native |
Allium praecox | | Native |
Allium punctum | DOTTED ONION | Native |
Allium rubrum (Under Allium geyeri var. tenerum) | | Synonym |
Allium rydbergii (Under Allium geyeri var. tenerum) | | Synonym |
Allium sabulicola (Under Allium geyeri var. tenerum) | | Synonym |
Allium sanbornii | | Native |
Allium sanbornii var. congdonii | CONGDON'S ONION | Native |
Allium sanbornii var. jepsonii (Under Allium jepsonii) | | Synonym |
Allium sanbornii var. sanbornii | SANBORN'S ONION | Native |
Allium sanbornii var. tuolumnense (Under Allium tuolumnense) | | Synonym |
Allium sativum | GARLIC | Waif |
Allium serra | | Native |
Allium serratum (Under Allium amplectens) | | Synonym |
Allium serratum (Under Allium serra) | | Unabridged misapplied name |
Allium sharsmithae (Under Allium sharsmithiae) | | Orthographic variant |
Allium sharsmithiae | SHARSMITH'S ONION | Native |
Allium shevockii | SPANISH NEEDLE ONION | Native |
Allium siskiyouense | SISKIYOU ONION | Native |
Allium stenanthum (Under Allium bolanderi var. bolanderi) | | Synonym |
Allium tilingii (Under Triteleia hyacinthina) | | Synonym |
Allium tolmiei var. tolmiei | | Native |
Allium tribracteatum | THREE-BRACTED ONION | Native |
Allium tribracteatum var. jacintense (Under Allium cratericola) | | Synonym |
Allium triquetrum | | Naturalized |
Allium tuolumnense | RAWHIDE HILL ONION | Native |
Allium unifolium | | Native |
Allium validum | | Native |
Allium vineale | | Naturalized |
Allium yosemitense | YOSEMITE ONION | Native |
Allocarya parishii (Under Plagiobothrys parishii) | | Synonym |
Allophyllum ↳ Key to Allophyllum | | |
Allophyllum divaricatum | | Native |
Allophyllum gilioides | | Native |
Allophyllum gilioides subsp. gilioides | | Native |
Allophyllum gilioides subsp. violaceum | | Native |
Allophyllum glutinosum | | Native |
Allophyllum integrifolium | | Native |
Allophyllum violaceum (Under Allophyllum gilioides subsp. violaceum) | | Synonym |
Allotropa | SUGAR STICK | |
Allotropa virgata | | Native |
Almutaster | MARSH ALKALI ASTER | |
Almutaster pauciflorus | | Native |
Alnus ↳ Key to Alnus | ALDER | |
Alnus cordata | ITALIAN ALDER | Waif |
Alnus fruticosa (Under Alnus viridis subsp. fruticosa) | | Synonym |
Alnus incana subsp. tenuifolia | MOUNTAIN ALDER | Native |
Alnus oregona (Under Alnus rubra) | | Synonym |
Alnus rhombifolia | WHITE ALDER | Native |
Alnus rubra | RED ALDER | Native |
Alnus sinuata (Under Alnus viridis subsp. sinuata) | | Synonym |
Alnus tenuifolia (Under Alnus incana subsp. tenuifolia) | | Synonym |
Alnus viridis | GREEN ALDER | Native |
Alnus viridis subsp. fruticosa | SIBERIAN ALDER | Native |
Alnus viridis subsp. sinuata | THINLEAF or SITKA ALDER | Native |
Aloe ↳ Key to Aloe | | |
Aloe ×schoenlandii | | Naturalized |
Aloe maculata | | Naturalized |
Aloe saponaria (Under Aloe maculata) | | Illegitimate name |
Aloe saponaria (Under Aloe ×schoenlandii) | | Synonym |
Aloe striata (Under Aloe ×schoenlandii) | | Synonym |
Alopecurus ↳ Key to Alopecurus | FOXTAIL | |
Alopecurus aequalis | SHORT-AWN FOXTAIL | Native |
Alopecurus aequalis var. aequalis | | Native |
Alopecurus aequalis var. sonomensis | SONOMA ALOPECURUS | Native |
Alopecurus aristulatus (Under Alopecurus aequalis var. aequalis) | | Synonym |
Alopecurus californicus (Under Alopecurus saccatus) | | Synonym |
Alopecurus carolinianus | | Native |
Alopecurus geniculatus | WATER FOXTAIL | Native |
Alopecurus howellii (Under Alopecurus saccatus) | | Synonym |
Alopecurus myosuroides | | Naturalized |
Alopecurus pallescens (Under Alopecurus geniculatus) | | Synonym |
Alopecurus pratensis | MEADOW FOXTAIL | Naturalized |
Alopecurus saccatus | | Native |
Aloysia | | |
Aloysia wrightii | WRIGHT'S BEEBRUSH | Native |
Alternanthera ↳ Key to Alternanthera | | |
Alternanthera caracasana | | Naturalized |
Alternanthera lanuginosa (Under Tidestromia lanuginosa) | | Synonym |
Alternanthera peploides (Under Alternanthera caracasana) | | Synonym |
Alternanthera philoxeroides | ALLIGATOR WEED | Naturalized |
Alternanthera pungens (Under Alternanthera caracasana) | | Unabridged misapplied name |
Alternanthera repens (Under Alternanthera caracasana) | | Unabridged misapplied name |
Althaea rosea (Under Alcea rosea) | | Synonym |
Alyogyne | | |
Alyogyne huegelii | BLUE HIBISCUS | Waif |
Alyssum ↳ Key to Alyssum | | |
Alyssum alyssoides | | Naturalized |
Alyssum desertorum | | Naturalized |
Alyssum minus subsp. micranthum (Under Alyssum simplex) | | Synonym |
Alyssum minus var. micranthum (Under Alyssum simplex) | | Synonym |
Alyssum simplex | | Naturalized |
Amaranthaceae ↳ Key to Amaranthaceae | AMARANTH FAMILY | |
Amaranthus ↳ Key to Amaranthus | AMARANTH, PIGWEED | |
Amaranthus albus | TUMBLEWEED | Naturalized |
Amaranthus arenicola | SAND AMARANTH | Naturalized |
Amaranthus blitoides | PROCUMBENT PIGWEED | Native |
Amaranthus blitum subsp. emarginatus | | Waif |
Amaranthus bouchonii (Under Amaranthus powellii) | | Synonym |
Amaranthus californicus | CALIFORNIAN AMARANTH | Native |
Amaranthus caudatus | LOVE-LIES-BLEEDING, FOXTAIL AMARANTH, QUILETE | Waif |
Amaranthus cruentus | PURPLE AMARANTH | Waif |
Amaranthus deflexus | | Naturalized |
Amaranthus emarginatus (Under Amaranthus blitum subsp. emarginatus) | | Synonym |
Amaranthus fimbriatus | FRINGED AMARANTH | Native |
Amaranthus graecizans (Under Amaranthus albus) | | Unabridged misapplied name |
Amaranthus graecizans (Under Amaranthus blitoides) | | Unabridged misapplied name |
Amaranthus hybridus | SMOOTH PIGWEED, GREEN AMARANTH | Naturalized |
Amaranthus hypochondriacus | PRINCE'S-FEATHER | Waif |
Amaranthus palmeri | PALMER'S AMARANTH | Native |
Amaranthus powellii | POWELL'S AMARANTH | Native |
Amaranthus powellii subsp. bouchonii (Under Amaranthus powellii) | | Synonym |
Amaranthus retroflexus | REDROOT PIGWEED | Naturalized |
Amaranthus rudis (Under Amaranthus tuberculatus var. rudis) | | Synonym |
Amaranthus spinosus | SPINY AMARANTH, THORNY AMARANTH | Waif |
Amaranthus torreyi | TORREY'S AMARANTH | Native |
Amaranthus tuberculatus var. rudis | COMMON WATERHEMP | Naturalized |
Amaranthus viridis | SLENDER AMARANTH | Waif |
Amaranthus watsonii | WATSON'S AMARANTH | Native |
Amaryllidaceae ↳ Key to Amaryllidaceae | AMARYLLIS FAMILY | |
Amaryllis | | |
Amaryllis belladonna | NAKED LADIES | Naturalized |
Amauriopsis dissecta (Under Hymenothrix dissecta) | | Synonym |
Amauropelta | | |
Amauropelta nevadensis | NEVADA MARSH FERN | Native |
Amblyopappus | | |
Amblyopappus pusillus | | Native |
Ambrosia ↳ Key to Ambrosia | RAGWEED, BUR-SAGE, BURROBRUSH | |
Ambrosia ×platyspina | HYBRID BUR-SAGE | Spontaneous hybrid |
Ambrosia acanthicarpa | ANNUAL BUR-SAGE | Native |
Ambrosia ambrosioides | BIG BUR-SAGE | Native |
Ambrosia artemisiifolia | COMMON RAGWEED | Naturalized |
Ambrosia chamissonis | BEACH BUR-SAGE | Native |
Ambrosia chamissonis var. bipinnatisecta (Under Ambrosia chamissonis) | | Synonym |
Ambrosia chenopodiifolia | SAN DIEGO BUR-SAGE | Native |
Ambrosia confertiflora | | Native |
Ambrosia dumosa | WHITE BUR-SAGE | Native |
Ambrosia eriocentra | WOOLLY BUR-SAGE | Native |
Ambrosia ilicifolia | HOLLY-LEAVED BUR-SAGE | Native |
Ambrosia monogyra | SINGLEWHORL BURROBRUSH | Native |
Ambrosia psilostachya | WESTERN RAGWEED | Native |
Ambrosia psilostachya var. californica (Under Ambrosia psilostachya) | | Synonym |
Ambrosia pumila | SAN DIEGO AMBROSIA | Native |
Ambrosia salsola | COMMON BURROBRUSH, CHEESEBUSH | Native |
Ambrosia salsola var. fasciculata (Under Ambrosia salsola var. salsola) | | Synonym |
Ambrosia salsola var. pentalepis | | Native |
Ambrosia salsola var. salsola | | Native |
Ambrosia trifida | GIANT RAGWEED | Waif |
Amelanchier ↳ Key to Amelanchier | SERVICE-BERRY | |
Amelanchier alnifolia | | Native |
Amelanchier alnifolia var. pumila | | Native |
Amelanchier alnifolia var. semiintegrifolia | | Native |
Amelanchier florida (Under Amelanchier alnifolia var. semiintegrifolia) | | Synonym |
Amelanchier pumila (Under Amelanchier alnifolia var. pumila) | | Synonym |
Amelanchier utahensis | UTAH SERVICE-BERRY | Native |
Amelichloa brachychaeta (Under Stipa brachychaeta) | | Synonym |
Amerosedum lanceolatum (Under Sedum lanceolatum) | | Synonym |
Amerosedum radiatum (Under Sedum radiatum) | | Synonym |
Amerosedum radiatum subsp. depauperatum (Under Sedum radiatum subsp. depauperatum) | | Synonym |
Amerosedum radiatum subsp. radiatum (Under Sedum radiatum subsp. radiatum) | | Synonym |
Ammannia ↳ Key to Ammannia | | |
Ammannia coccinea | | Native |
Ammannia coccinea subsp. purpurea (Under Ammannia coccinea) | | Synonym |
Ammannia coccinea subsp. robusta (Under Ammannia robusta) | | Synonym |
Ammannia robusta | | Native |
Ammi ↳ Key to Ammi | | |
Ammi majus | | Naturalized |
Ammi visnaga | BISNAGA | Naturalized |
Ammobroma sonorae (Under Pholisma sonorae) | | Synonym |
Ammophila | BEACHGRASS | |
Ammophila arenaria | EUROPEAN BEACHGRASS | Naturalized |
Ammoselinum | | |
Ammoselinum giganteum | DESERT SAND-PARSLEY | Native |
Amorpha ↳ Key to Amorpha | FALSE INDIGO | |
Amorpha californica | | Native |
Amorpha californica var. californica | | Native |
Amorpha californica var. napensis | NAPA FALSE INDIGO | Native |
Amorpha fruticosa | | Native |
Amorpha fruticosa var. occidentalis (Under Amorpha fruticosa) | | Synonym |
Ampelodesmos mauritanica (Under Stipa mauritanica) | | Orthographic variant |
Ampelodesmos mauritanicus (Under Stipa mauritanica) | | Synonym |
Amphipappus | CHAFF-BUSH | |
Amphipappus fremontii ↳ Key to Amphipappus fremontii | | Native |
Amphipappus fremontii var. fremontii | | Native |
Amphipappus fremontii var. spinosus | | Native |
Amphiscirpus | NEVADA BULRUSH | |
Amphiscirpus nevadensis | | Native |
Amsinckia ↳ Key to Amsinckia | FIDDLENECK | |
Amsinckia douglasiana | DOUGLAS' FIDDLENECK | Native |
Amsinckia eastwoodiae | EASTWOOD'S FIDDLENECK | Native |
Amsinckia furcata | FORKED FIDDLENECK | Native |
Amsinckia gloriosa (Under Amsinckia tessellata var. gloriosa) | | Synonym |
Amsinckia grandiflora | LARGE-FLOWERED FIDDLENECK | Native |
Amsinckia helleri (Under Amsinckia retrorsa) | | Synonym |
Amsinckia intermedia | COMMON FIDDLENECK | Native |
Amsinckia intermedia var. eastwoodiae (Under Amsinckia eastwoodiae) | | Synonym |
Amsinckia intermedia var. echinata (Under Amsinckia intermedia) | | Synonym |
Amsinckia lunaris | BENT-FLOWERED FIDDLENECK | Native |
Amsinckia lycopsoides | BUGLOSS-FLOWERED FIDDLENECK | Native |
Amsinckia menziesii | COMMON FIDDLENECK, SMALL-FLOWERED FIDDLENECK | Native |
Amsinckia menziesii var. intermedia (Under Amsinckia intermedia) | | Synonym ined. |
Amsinckia menziesii var. menziesii (Under Amsinckia menziesii) | | Synonym |
Amsinckia micrantha (Under Amsinckia menziesii) | | Synonym |
Amsinckia retrorsa | RIGID FIDDLENECK | Native |
Amsinckia scouleri (Under Amsinckia spectabilis var. spectabilis) | | Synonym |
Amsinckia spectabilis | | Native |
Amsinckia spectabilis var. microcarpa | MESA FIDDLENECK | Native |
Amsinckia spectabilis var. sancti-nicolai (Under Amsinckia spectabilis var. spectabilis) | | Synonym |
Amsinckia spectabilis var. spectabilis | SEASIDE FIDDLENECK | Native |
Amsinckia straminea (Under Amsinckia lycopsoides) | | Synonym |
Amsinckia tessellata | | Native |
Amsinckia tessellata var. elegans (Under Amsinckia tessellata var. tessellata) | | Synonym |
Amsinckia tessellata var. gloriosa | CARRIZO FIDDLENECK | Native |
Amsinckia tessellata var. tessellata | DESERT FIDDLENECK | Native |
Amsinckia vernicosa | WAXY FIDDLENECK | Native |
Amsinckia vernicosa var. furcata (Under Amsinckia furcata) | | Synonym |
Amsinckia vernicosa var. vernicosa (Under Amsinckia vernicosa) | | Synonym |
Amsinckiopsis | | |
Amsinckiopsis kingii | GREAT BASIN POPCORNFLOWER | Native |
Amsinckiopsis kingii var. harknessii | NORTHERN GREAT BASIN POPCORNFLOWER | Native |
Amsinckiopsis kingii var. kingii | SOUTHERN GREAT BASIN POPCORNFLOWER | Native |
Amsonia | | |
Amsonia brevifolia (Under Amsonia tomentosa) | | Synonym |
Amsonia tomentosa | | Native |
Amsonia tomentosa var. tomentosa (Under Amsonia tomentosa) | | Synonym |
Anacardiaceae ↳ Key to Anacardiaceae | SUMAC or CASHEW FAMILY | |
Anacharis canadensis (Under Elodea canadensis) | | Synonym |
Anacharis nuttallii (Under Elodea nuttallii) | | Synonym |
Anagallis arvensis (Under Lysimachia arvensis) | | Synonym |
Anagallis arvensis subsp. arvensis (Under Lysimachia arvensis) | | Synonym |
Anagallis arvensis subsp. foemina (Under Lysimachia arvensis) | | Misapplied name |
Anagallis arvensis var. caerulea (Under Lysimachia arvensis) | | Synonym |
Anagallis caerulea (Under Lysimachia arvensis) | | Synonym |
Anagallis caerulea (Under Lysimachia arvensis) | | Misapplied name |
Anagallis caerulea (Under Lysimachia arvensis) | | Misapplied name |
Anagallis foemina (Under Lysimachia arvensis) | | Misapplied name |
Anagallis linifolia (Under Lysimachia monelli) | | Synonym |
Anagallis minima (Under Lysimachia minima) | | Synonym |
Anagallis monelli (Under Lysimachia monelli) | | Synonym |
Anaphalis | PEARLY EVERLASTING | |
Anaphalis margaritacea | | Native |
Anchusa ↳ Key to Anchusa | ALKANET | |
Anchusa azurea | GARDEN ALKANET | Waif |
Anchusa officinalis | COMMON ALKANET | Naturalized |
Anchusa procera (Under Anchusa officinalis) | | Synonym |
Ancistrocarphus ↳ Key to Ancistrocarphus | GROUNDSTAR, WOOLLY FISHHOOKS | |
Ancistrocarphus filagineus | WOOLLY FISHHOOKS | Native |
Ancistrocarphus keilii | SANTA YNEZ GROUNDSTAR | Native |
Andersonglossum | | |
Andersonglossum occidentale | WESTERN HOUND'S TONGUE | Native |
Andromeda venulosa (Under Arctostaphylos hookeri subsp. hookeri) | | Synonym |
Andropogon ↳ Key to Andropogon | BLUESTEM | |
Andropogon barbinodis (Under Bothriochloa barbinodis) | | Synonym |
Andropogon glomeratus var. scabriglumis | SOUTHWESTERN BUSHY BLUESTEM | Native |
Andropogon ischaemum (Under Bothriochloa ischaemum) | | Synonym |
Andropogon torreyanus (Under Bothriochloa laguroides subsp. torreyana) | | Synonym |
Andropogon virginicus var. virginicus | BROOMSEDGE BLUESTEM | Naturalized |
Androsace ↳ Key to Androsace | | |
Androsace acuta (Under Androsace elongata subsp. acuta) | | Synonym |
Androsace arizonica (Under Androsace occidentalis) | | Synonym |
Androsace elongata subsp. acuta | CALIFORNIA ANDROSACE | Native |
Androsace filiformis | SLENDER-STEMMED ANDROSACE | Native |
Androsace occidentalis | WESTERN ROCK-JASMINE | Native |
Androsace occidentalis var. acuta (Under Androsace elongata subsp. acuta) | | Synonym |
Androsace occidentalis var. simplex (Under Androsace occidentalis) | | Synonym |
Androsace septentrionalis | PYGMY-FLOWER ROCK-JASMINE | Native |
Androsace septentrionalis subsp. puberulenta (Under Androsace septentrionalis) | | Synonym |
Androsace septentrionalis subsp. subumbellata (Under Androsace septentrionalis) | | Synonym |
Androstephium | | |
Androstephium breviflorum | SMALL-FLOWERED ANDROSTEPHIUM | Native |
Anelsonia | | |
Anelsonia eurycarpa | | Native |
Anemone ↳ Key to Anemone | ANEMONE | |
Anemone deltoidea | | Native |
Anemone drummondii subsp. drummondii (Under Anemone drummondii var. drummondii) | | Synonym |
Anemone drummondii var. drummondii | | Native |
Anemone grayi | | Native |
Anemone lyallii | | Native |
Anemone multifida var. hudsoniana (Under Anemone multifida var. multifida) | | Synonym |
Anemone multifida var. multifida | | Native |
Anemone occidentalis | | Native |
Anemone oligantha (Under Anemone lyallii) | | Synonym |
Anemone oregana var. oregana | | Native |
Anemone quinquefolia var. grayi (Under Anemone grayi) | | Synonym |
Anemone quinquefolia var. lyallii (Under Anemone lyallii) | | Synonym |
Anemone quinquefolia var. minor (Under Anemone grayi) | | Synonym |
Anemone tuberosa | | Native |
Anemopsis | | |
Anemopsis californica | YERBA MANSA | Native |
Anemopsis californica var. subglabra (Under Anemopsis californica) | | Synonym |
Anethum | | |
Anethum graveolens | DILL | Naturalized |
Angelica ↳ Key to Angelica | | |
Angelica arguta | ANGELICA | Native |
Angelica breweri | | Native |
Angelica californica | | Native |
Angelica callii | CALL'S ANGELICA | Native |
Angelica capitellata | RANGER'S BUTTONS, SWAMP WHITE HEADS | Native |
Angelica genuflexa | | Native |
Angelica hendersonii | | Native |
Angelica kingii | KING'S ANGELICA | Native |
Angelica lineariloba | | Native |
Angelica lineariloba var. culbertsonii (Under Angelica lineariloba) | | Synonym |
Angelica lucida | SEA-WATCH | Native |
Angelica tomentosa | | Native |
Angelica tomentosa var. californica (Under Angelica californica) | | Synonym |
Angelica tomentosa var. hendersonii (Under Angelica hendersonii) | | Synonym |
Anisocarpus ↳ Key to Anisocarpus | | |
Anisocarpus madioides | WOODLAND TARWEED | Native |
Anisocarpus scabridus | SCABRID ALPINE TARPLANT | Native |
Anisocoma | SCALEBUD | |
Anisocoma acaulis | | Native |
Anisodontea | | |
Anisodontea capensis | CAPE MALLOW | Garden and urban weed |
Anoda ↳ Key to Anoda | | |
Anoda cristata | VIOLETTAS | Naturalized |
Anoda cristata var. digitata (Under Anoda cristata) | | Synonym |
Anoda pentaschista | FIELD ANODA | Agricultural weed |
Anoda pentaschista var. obtusior (Under Anoda pentaschista) | | Synonym |
Anotites diffusa (Under Silene menziesii) | | Synonym |
Anredera | MADEIRA VINE | |
Anredera cordifolia | MIGNONETTE VINE | Agricultural, garden, or urban weed |
Antennaria ↳ Key to Antennaria | PUSSY-TOES | |
Antennaria argentea | | Native |
Antennaria corymbosa | | Native |
Antennaria dimorpha | | Native |
Antennaria dioica var. kernensis (Under Antennaria umbrinella) | | Synonym |
Antennaria flagellaris | STOLONIFEROUS PUSSY-TOES | Native |
Antennaria geyeri | | Native |
Antennaria howellii subsp. howellii | | Native |
Antennaria luzuloides | | Native |
Antennaria luzuloides subsp. aberrans | | Native |
Antennaria luzuloides subsp. luzuloides | | Native |
Antennaria marginata | WHITE-MARGINED EVERLASTING | Native |
Antennaria media | | Native |
Antennaria media subsp. ciliata (Under Antennaria pulchella) | | Synonym |
Antennaria media subsp. media (Under Antennaria media) | | Synonym |
Antennaria media subsp. pulchella (Under Antennaria pulchella) | | Synonym |
Antennaria microcephala (Under Antennaria luzuloides subsp. aberrans) | | Synonym |
Antennaria microphylla | | Native |
Antennaria pulchella | BEAUTIFUL PUSSY-TOES | Native |
Antennaria pyramidata (Under Antennaria luzuloides subsp. aberrans) | | Synonym |
Antennaria racemosa | | Native |
Antennaria rosea | | Native |
Antennaria rosea subsp. confinis | | Native |
Antennaria rosea subsp. rosea | | Native |
Antennaria sawyeri | | Native |
Antennaria scabra (Under Antennaria pulchella) | | Synonym |
Antennaria suffrutescens | EVERGREEN EVERLASTING | Native |
Antennaria umbrinella | | Native |
Anthemis ↳ Key to Anthemis | DOG-FENNEL, CHAMOMILE | |
Anthemis arvensis | CORN CHAMOMILE | Naturalized |
Anthemis arvensis var. agrestis (Under Anthemis arvensis) | | Synonym |
Anthemis cotula | MAYWEED | Naturalized |
Anthemis foetida (Under Anthemis cotula) | | Synonym |
Anthemis fuscata (Under Chamaemelum fuscatum) | | Synonym |
Anthemis tinctoria (Under Cota tinctoria) | | Synonym |
Anthoxanthum ↳ Key to Anthoxanthum | VERNAL GRASS, VANILLA GRASS | |
Anthoxanthum aristatum subsp. aristatum | ANNUAL VERNAL GRASS | Naturalized |
Anthoxanthum hirtum (Under Anthoxanthum nitens subsp. nitens) | | Synonym |
Anthoxanthum nitens subsp. nitens | VANILLA GRASS | Native |
Anthoxanthum occidentale | CALIFORNIA SWEET GRASS | Native |
Anthoxanthum odoratum | SWEET VERNAL GRASS | Naturalized |
Anthriscus | | |
Anthriscus caucalis | BUR-CHERVIL | Naturalized |
Anthriscus scandicina (Under Anthriscus caucalis) | | Synonym |
Antirrhinum ↳ Key to Antirrhinum | SNAPDRAGON | |
Antirrhinum breweri (Under Antirrhinum vexillocalyculatum subsp. breweri) | | Synonym |
Antirrhinum confertiflorum | GHOST FLOWER | Native |
Antirrhinum cornutum | | Native |
Antirrhinum cornutum var. leptaleum (Under Antirrhinum leptaleum) | | Synonym |
Antirrhinum coulterianum | | Native |
Antirrhinum cyathiferum (Under Pseudorontium cyathiferum) | | Synonym |
Antirrhinum filipes | | Native |
Antirrhinum glandulosum (Under Antirrhinum thompsonii) | | Illegitimate name |
Antirrhinum kelloggii | | Native |
Antirrhinum kingii | | Native |
Antirrhinum leptaleum | | Native |
Antirrhinum majus | | Waif |
Antirrhinum mohavea | GOLDEN DESERT SNAPDRAGON | Native |
Antirrhinum multiflorum (Under Antirrhinum thompsonii) | | Illegitimate name |
Antirrhinum nuttallianum | | Native |
Antirrhinum nuttallianum subsp. nuttallianum | | Native |
Antirrhinum nuttallianum subsp. subsessile | | Native |
Antirrhinum orontium | | Waif |
Antirrhinum ovatum | OVAL-LEAVED SNAPDRAGON | Native |
Antirrhinum subcordatum | DIMORPHIC SNAPDRAGON | Native |
Antirrhinum thompsonii | | Native |
Antirrhinum vexillo-calyculatum (Under Antirrhinum vexillocalyculatum) | | Orthographic variant |
Antirrhinum vexillocalyculatum | | Native |
Antirrhinum vexillocalyculatum subsp. breweri | | Native |
Antirrhinum vexillocalyculatum subsp. intermedium | | Native |
Antirrhinum vexillocalyculatum subsp. vexillocalyculatum | | Native |
Antirrhinum virga | TWIG-LIKE SNAPDRAGON | Native |
Anulocaulis | RINGSTEM | |
Anulocaulis annulatus | | Native |
Apera ↳ Key to Apera | | |
Apera interrupta | | Naturalized |
Apera spica-venti | | Naturalized |
Apetlorhamnus alnifolia (Under Rhamnus alnifolia) | | Synonym |
Aphanes | | |
Aphanes occidentalis | | Native |
Aphanisma | | |
Aphanisma blitoides | APHANISMA | Native |
Aphyllon ↳ Key to Aphyllon | BROOMRAPE | |
Aphyllon californicum | | Native |
Aphyllon californicum subsp. californicum | | Native |
Aphyllon californicum subsp. condensum | | Native |
Aphyllon californicum subsp. feudgei | | Native |
Aphyllon californicum subsp. grande | | Native |
Aphyllon californicum subsp. grayanum | | Native |
Aphyllon californicum subsp. jepsonii | | Native |
Aphyllon cooperi | | Native |
Aphyllon corymbosum | | Native |
Aphyllon epigalium | GALIUM BROOMRAPE | Native |
Aphyllon epigalium subsp. epigalium | | Native |
Aphyllon epigalium subsp. notocalifornicum | GALIUM BROOMRAPE | Native |
Aphyllon fasciculatum | CLUSTERED BROOMRAPE | Native |
Aphyllon franciscanum | FRANCISCAN BROOMRAPE | Native |
Aphyllon parishii | | Native |
Aphyllon parishii subsp. brachylobum | SHORT-LOBED BROOMRAPE | Native |
Aphyllon parishii subsp. parishii | | Native |
Aphyllon pinorum | | Native |
Aphyllon purpureum | | Native |
Aphyllon robbinsii | ROBBINS' BROOMRAPE | Native |
Aphyllon tuberosum | | Native |
Aphyllon validum | | Native |
Aphyllon validum subsp. howellii | HOWELL'S BROOMRAPE | Native |
Aphyllon validum subsp. validum | ROCK CREEK BROOMRAPE | Native |
Aphyllon vallicola | | Native |
Apiaceae (Umbelliferae) ↳ Key to Apiaceae (Umbelliferae) | CARROT FAMILY | |
Apiastrum | | |
Apiastrum angustifolium | | Native |
Apium ↳ Key to Apium | | |
Apium graveolens | CELERY | Naturalized |
Apium leptophyllum (Under Cyclospermum leptophyllum) | | Synonym |
Apium nodiflorum | | Waif |
Apocynaceae ↳ Key to Apocynaceae | DOGBANE FAMILY | |
Apocynum ↳ Key to Apocynum | DOGBANE | |
Apocynum ×floribundum (Under Apocynum androsaemifolium) | | Synonym |
Apocynum androsaemifolium | BITTER DOGBANE | Native |
Apocynum androsaemifolium var. glabrum (Under Apocynum androsaemifolium) | | Synonym |
Apocynum androsaemifolium var. nevadense (Under Apocynum androsaemifolium) | | Synonym |
Apocynum cannabinum | HEMP DOGBANE | Native |
Apocynum cannabinum var. glaberrimum (Under Apocynum cannabinum) | | Synonym |
Apocynum diversifolium (Under Apocynum androsaemifolium) | | Synonym |
Apocynum medium var. floribundum (Under Apocynum androsaemifolium) | | Synonym |
Apocynum oblongum (Under Apocynum cannabinum) | | Synonym |
Apocynum palustre (Under Apocynum cannabinum) | | Synonym |
Apocynum pumilum (Under Apocynum androsaemifolium) | | Synonym |
Apocynum pumilum var. rhomboideum (Under Apocynum androsaemifolium) | | Synonym |
Apocynum rhomboideum (Under Apocynum androsaemifolium) | | Synonym |
Apocynum sibiricum var. salignum (Under Apocynum cannabinum) | | Synonym |
Apocynum viarum (Under Apocynum androsaemifolium) | | Synonym |
Apodanthaceae | STEMSUCKER FAMILY | |
Aponogeton | | |
Aponogeton distachyon (Under Aponogeton distachyos) | | Orthographic variant |
Aponogeton distachyos | CAPE-PONDWEED | Naturalized |
Aponogetonaceae | CAPE-PONDWEED FAMILY | |
Aptenia | | |
Aptenia cordifolia | BABY SUN-ROSE | Naturalized |
Aquifoliaceae | HOLLY FAMILY | |
Aquilegia ↳ Key to Aquilegia | COLUMBINE | |
Aquilegia eximia | | Native |
Aquilegia fontinalis (Under Aquilegia eximia) | | Synonym |
Aquilegia formosa | | Native |
Aquilegia formosa f. anomala (Under Aquilegia formosa) | | Synonym |
Aquilegia formosa var. caelifax (Under Aquilegia shockleyi) | | Synonym |
Aquilegia formosa var. hypolasia (Under Aquilegia formosa) | | Synonym |
Aquilegia formosa var. pauciflora (Under Aquilegia formosa) | | Synonym |
Aquilegia formosa var. truncata (Under Aquilegia formosa) | | Synonym |
Aquilegia mohavensis (Under Aquilegia shockleyi) | | Synonym |
Aquilegia pubescens | | Native |
Aquilegia shockleyi | | Native |
Aquilegia tracyi (Under Aquilegia eximia) | | Synonym |
Arabidopsis | | |
Arabidopsis thaliana | MOUSE-EAR CRESS, THALE CRESS | Naturalized |
Arabis ↳ Key to Arabis | ROCKCRESS | |
Arabis ×divaricarpa (Under Boechera divaricarpa) | | Synonym |
Arabis arcuata var. rubicundula (Under Boechera rubicundula) | | Synonym |
Arabis blepharophylla | COAST ROCKCRESS | Native |
Arabis blepharophylla var. macdonaldiana (Under Arabis mcdonaldiana) | | Synonym |
Arabis bodiensis (Under Boechera bodiensis) | | Synonym |
Arabis breweri (Under Boechera breweri) | | Synonym |
Arabis breweri var. austiniae (Under Boechera breweri subsp. shastaensis) | | Synonym |
Arabis breweri var. breweri (Under Boechera breweri subsp. breweri) | | Synonym |
Arabis breweri var. pecuniaria (Under Boechera peirsonii) | | Synonym |
Arabis cobrensis (Under Boechera cobrensis) | | Synonym |
Arabis constancei (Under Boechera constancei) | | Synonym |
Arabis davidsonii (Under Boechera davidsonii) | | Synonym |
Arabis davidsonii var. parva (Under Boechera davidsonii) | | Synonym |
Arabis dispar (Under Boechera dispar) | | Synonym |
Arabis divaricarpa (Under Boechera divaricarpa) | | Synonym |
Arabis divaricarpa var. interposita (Under Boechera acutina) | | Synonym |
Arabis drummondii (Under Boechera stricta) | | Synonym |
Arabis eschscholtziana | | Native |
Arabis fernaldiana var. stylosa (Under Boechera evadens) | | Synonym |
Arabis glabra (Under Turritis glabra) | | Synonym |
Arabis glabra var. furcatipilis (Under Turritis glabra) | | Synonym |
Arabis glaucovalvula (Under Boechera glaucovalvula) | | Synonym |
Arabis hirshbergiae (Under Boechera johnstonii) | | Synonym |
Arabis hirsuta subsp. pycnocarpa (Under Arabis pycnocarpa var. pycnocarpa) | | Synonym |
Arabis hirsuta var. eschscholtziana (Under Arabis eschscholtziana) | | Synonym |
Arabis hirsuta var. glabrata (Under Arabis eschscholtziana) | | Synonym |
Arabis hirsuta var. pycnocarpa (Under Arabis pycnocarpa var. pycnocarpa) | | Synonym |
Arabis hoffmannii (Under Boechera hoffmannii) | | Synonym |
Arabis holboellii var. pendulocarpa (Under Boechera pendulocarpa) | | Synonym |
Arabis holboellii var. pinetorum (Under Boechera pinetorum) | | Synonym |
Arabis holboellii var. retrofracta (Under Boechera retrofracta) | | Synonym |
Arabis inyoensis (Under Boechera inyoensis) | | Synonym |
Arabis johnstonii (Under Boechera johnstonii) | | Synonym |
Arabis koehleri (Under Boechera koehleri) | | Synonym |
Arabis koehleri var. stipitata (Under Boechera koehleri) | | Synonym |
Arabis lemmonii (Under Boechera lemmonii) | | Synonym |
Arabis lemmonii var. depauperata (Under Boechera depauperata) | | Synonym |
Arabis lemmonii var. lemmonii (Under Boechera lemmonii) | | Synonym |
Arabis lyallii (Under Boechera lyallii) | | Synonym |
Arabis lyallii var. nubigena (Under Boechera paupercula) | | Synonym |
Arabis macdonaldiana (Under Arabis mcdonaldiana) | | Orthographic variant |
Arabis mcdonaldiana | MCDONALD'S ROCKCRESS | Native |
Arabis microphylla var. microphylla (Under Boechera paupercula) | | Misapplied name |
Arabis modesta | MODEST ROCKCRESS | Native |
Arabis oregana | OREGON ROCKCRESS | Native |
Arabis parishii (Under Boechera parishii) | | Synonym |
Arabis paupercula (Under Boechera paupercula) | | Synonym |
Arabis pendulina (Under Boechera pendulina) | | Synonym |
Arabis pendulocarpa (Under Boechera pendulocarpa) | | Synonym |
Arabis perennans (Under Boechera perennans) | | Synonym |
Arabis pinzlae (Under Boechera pinzliae) | | Orthographic variant |
Arabis pinzliae (Under Boechera pinzliae) | | Synonym |
Arabis platysperma (Under Boechera platysperma) | | Synonym |
Arabis platysperma var. howellii (Under Boechera howellii) | | Synonym |
Arabis platysperma var. platysperma (Under Boechera elkoensis) | | Synonym, in part |
Arabis pratincola (Under Boechera pratincola) | | Synonym |
Arabis puberula (Under Boechera puberula) | | Synonym |
Arabis pulchra (Under Boechera pulchra) | | Synonym |
Arabis pulchra var. gracilis (Under Boechera xylopoda) | | Synonym |
Arabis pulchra var. munciensis (Under Boechera lincolnensis) | | Synonym |
Arabis pulchra var. pulchra (Under Boechera pulchra) | | Synonym |
Arabis pycnocarpa var. pycnocarpa | | Native |
Arabis pygmaea (Under Boechera pygmaea) | | Synonym |
Arabis rectissima (Under Boechera rectissima) | | Synonym |
Arabis rectissima var. rectissima (Under Boechera rectissima) | | Synonym |
Arabis repanda (Under Boechera repanda) | | Synonym |
Arabis repanda var. greenei (Under Boechera repanda) | | Synonym |
Arabis repanda var. repanda (Under Boechera repanda) | | Synonym |
Arabis retrofracta (Under Boechera retrofracta) | | Synonym |
Arabis rigidissima (Under Boechera rigidissima) | | Synonym |
Arabis rigidissima var. demota (Under Boechera rigidissima) | | Synonym |
Arabis rigidissima var. rigidissima (Under Boechera rigidissima) | | Synonym |
Arabis rollei (Under Boechera rollei) | | Synonym |
Arabis serpentinicola (Under Arabis mcdonaldiana) | | Synonym |
Arabis shockleyi (Under Boechera shockleyi) | | Synonym |
Arabis sparsiflora (Under Boechera sparsiflora) | | Synonym |
Arabis sparsiflora var. arcuata (Under Boechera arcuata) | | Synonym |
Arabis sparsiflora var. californica (Under Boechera californica) | | Synonym |
Arabis sparsiflora var. sparsiflora (Under Boechera sparsiflora) | | Synonym |
Arabis sparsiflora var. subvillosa (Under Boechera pauciflora) | | Synonym |
Arabis subpinnatifida (Under Boechera subpinnatifida) | | Synonym |
Arabis suffrutescens (Under Boechera suffrutescens) | | Synonym |
Arabis suffrutescens var. suffrutescens (Under Boechera suffrutescens) | | Synonym |
Arabis tiehmii (Under Boechera tiehmii) | | Synonym |
Araceae ↳ Key to Araceae | ARUM FAMILY | |
Aralia | SPIKENARD | |
Aralia californica | ELK CLOVER | Native |
Araliaceae ↳ Key to Araliaceae | GINSENG FAMILY | |
Araujia | BLADDER-FLOWER | |
Araujia sericifera | | Naturalized |
Arbutus | MADRONE | |
Arbutus menziesii | PACIFIC MADRONE | Native |
Arceuthobium ↳ Key to Arceuthobium | DWARF MISTLETOE | |
Arceuthobium abietinum (Under Arceuthobium campylopodum) | | Synonym |
Arceuthobium americanum | LODGEPOLE-PINE DWARF MISTLETOE | Native |
Arceuthobium californicum (Under Arceuthobium campylopodum) | | Synonym |
Arceuthobium campylopodum | WESTERN DWARF MISTLETOE | Native |
Arceuthobium cyanocarpum (Under Arceuthobium campylopodum) | | Synonym |
Arceuthobium divaricatum (Under Arceuthobium campylopodum) | | Synonym |
Arceuthobium douglasii | DOUGLAS-FIR DWARF MISTLETOE | Native |
Arceuthobium littorum (Under Arceuthobium campylopodum) | | Synonym |
Arceuthobium monticola (Under Arceuthobium campylopodum) | | Synonym |
Arceuthobium occidentale (Under Arceuthobium campylopodum) | | Synonym |
Arceuthobium siskiyouense (Under Arceuthobium campylopodum) | | Synonym |
Arceuthobium tsugense (Under Arceuthobium campylopodum) | | Synonym |
Arceuthobium tsugense subsp. contortae (Under Arceuthobium campylopodum) | | Synonym |
Arceuthobium tsugense subsp. mertensianae (Under Arceuthobium campylopodum) | | Synonym |
Arceuthobium tsugense subsp. tsugense (Under Arceuthobium campylopodum) | | Synonym |
Arctium ↳ Key to Arctium | BURDOCK | |
Arctium lappa | | Naturalized |
Arctium minus | | Naturalized |
Arctomecon | | |
Arctomecon merriamii | WHITE BEAR POPPY | Native |
Arctostaphylos ↳ Key to Arctostaphylos | MANZANITA | |
Arctostaphylos ×knightii (Under Arctostaphylos nevadensis subsp. knightii) | | Synonym |
Arctostaphylos ×pacifica (Under Arctostaphylos pacifica) | | Synonym |
Arctostaphylos acuta (Under Arctostaphylos hookeri subsp. hookeri) | | Synonym |
Arctostaphylos acutifolia (Under Arctostaphylos patula) | | Synonym |
Arctostaphylos andersonii | ANDERSON'S MANZANITA | Native |
Arctostaphylos andersonii var. auriculata (Under Arctostaphylos auriculata) | | Synonym |
Arctostaphylos andersonii var. imbricata (Under Arctostaphylos imbricata) | | Synonym |
Arctostaphylos andersonii var. pajaroensis (Under Arctostaphylos pajaroensis) | | Synonym |
Arctostaphylos andersonii var. pallida (Under Arctostaphylos pallida) | | Synonym |
Arctostaphylos andersonii var. pechoensis (Under Arctostaphylos pechoensis) | | Synonym |
Arctostaphylos auriculata | MOUNT DIABLO MANZANITA | Native |
Arctostaphylos bakeri | | Native |
Arctostaphylos bakeri subsp. bakeri | BAKER'S MANZANITA | Native |
Arctostaphylos bakeri subsp. sublaevis | THE CEDARS MANZANITA | Native |
Arctostaphylos bowermaniae (Under Arctostaphylos manzanita subsp. manzanita) | | Synonym |
Arctostaphylos candidissima (Under Arctostaphylos canescens subsp. canescens) | | Synonym |
Arctostaphylos canescens | | Native |
Arctostaphylos canescens subsp. canescens | HOARY MANZANITA | Native |
Arctostaphylos canescens subsp. malloryi (Under Arctostaphylos malloryi) | | Synonym |
Arctostaphylos canescens subsp. sonomensis | SONOMA CANESCENT MANZANITA | Native |
Arctostaphylos canescens var. candidissima (Under Arctostaphylos canescens subsp. canescens) | | Synonym |
Arctostaphylos catalinae | SANTA CATALINA ISLAND MANZANITA | Native |
Arctostaphylos chaloneorum (Under Arctostaphylos pungens) | | Synonym |
Arctostaphylos cinerea (Under Arctostaphylos canescens subsp. canescens) | | Synonym, in part |
Arctostaphylos columbiana | COLUMBIA MANZANITA | Native |
Arctostaphylos columbiana f. tracyi (Under Arctostaphylos columbiana) | | Synonym |
Arctostaphylos columbiana subsp. nortensis (Under Arctostaphylos nortensis) | | Synonym |
Arctostaphylos columbiana var. tracyi (Under Arctostaphylos columbiana) | | Synonym |
Arctostaphylos columbiana var. virgata (Under Arctostaphylos virgata) | | Synonym |
Arctostaphylos confertiflora | SANTA ROSA ISLAND MANZANITA | Native |
Arctostaphylos crustacea | | Native |
Arctostaphylos crustacea subsp. crinita | CRINITE MANZANITA | Native |
Arctostaphylos crustacea subsp. crustacea | | Native |
Arctostaphylos crustacea subsp. eastwoodiana | EASTWOOD'S BRITTLE-LEAF MANZANITA | Native |
Arctostaphylos crustacea subsp. insulicola | ISLAND MANZANITA | Native |
Arctostaphylos crustacea subsp. rosei | ROSE'S MANZANITA | Native |
Arctostaphylos crustacea subsp. subcordata | SANTA CRUZ ISLAND MANZANITA | Native |
Arctostaphylos cruzensis | ARROYO DE LA CRUZ MANZANITA | Native |
Arctostaphylos cushingiana (Under Arctostaphylos glandulosa subsp. cushingiana) | | Synonym |
Arctostaphylos densiflora | VINE HILL MANZANITA | Native |
Arctostaphylos drupacea (Under Arctostaphylos pringlei subsp. drupacea) | | Synonym |
Arctostaphylos edmundsii | LITTLE SUR MANZANITA | Native |
Arctostaphylos elegans (Under Arctostaphylos manzanita subsp. elegans) | | Synonym |
Arctostaphylos franciscana | FRANCISCAN MANZANITA | Native |
Arctostaphylos gabilanensis | GABILAN MOUNTAINS MANZANITA | Native |
Arctostaphylos gabrielensis (Under Arctostaphylos glandulosa subsp. gabrielensis) | | Synonym |
Arctostaphylos glandulosa | | Native |
Arctostaphylos glandulosa f. cushingiana (Under Arctostaphylos glandulosa subsp. cushingiana) | | Synonym |
Arctostaphylos glandulosa subsp. adamsii | | Native |
Arctostaphylos glandulosa subsp. crassifolia | DEL MAR MANZANITA | Native |
Arctostaphylos glandulosa subsp. cushingiana | CUSHING MANZANITA | Native |
Arctostaphylos glandulosa subsp. gabrielensis | SAN GABRIEL MANZANITA | Native |
Arctostaphylos glandulosa subsp. glandulosa | | Native |
Arctostaphylos glandulosa subsp. glaucomollis (Under Arctostaphylos glandulosa subsp. mollis) | | Synonym |
Arctostaphylos glandulosa subsp. howellii | | Native |
Arctostaphylos glandulosa subsp. leucophylla | | Native |
Arctostaphylos glandulosa subsp. mollis | | Native |
Arctostaphylos glandulosa subsp. zacaensis (Under Arctostaphylos glandulosa subsp. glandulosa) | | Synonym |
Arctostaphylos glandulosa var. australis (Under Arctostaphylos glandulosa subsp. glandulosa) | | Synonym |
Arctostaphylos glandulosa var. cushingiana (Under Arctostaphylos glandulosa subsp. cushingiana) | | Synonym |
Arctostaphylos glandulosa var. howellii (Under Arctostaphylos glandulosa subsp. howellii) | | Synonym |
Arctostaphylos glandulosa var. mollis (Under Arctostaphylos glandulosa subsp. mollis) | | Synonym |
Arctostaphylos glandulosa var. virgata (Under Arctostaphylos virgata) | | Synonym |
Arctostaphylos glauca | | Native |
Arctostaphylos glauca var. eremicola (Under Arctostaphylos glauca) | | Synonym |
Arctostaphylos glauca var. puberula (Under Arctostaphylos glauca) | | Synonym |
Arctostaphylos glutinosa | SCHREIBER'S MANZANITA | Native |
Arctostaphylos hearstiorum (Under Arctostaphylos hookeri subsp. hearstiorum) | | Synonym |
Arctostaphylos hispidula | HOWELL'S MANZANITA | Native |
Arctostaphylos hookeri | | Native |
Arctostaphylos hookeri subsp. franciscana (Under Arctostaphylos franciscana) | | Synonym |
Arctostaphylos hookeri subsp. hearstiorum | HEARSTS' MANZANITA | Native |
Arctostaphylos hookeri subsp. hookeri | HOOKER'S MANZANITA | Native |
Arctostaphylos hookeri subsp. montana (Under Arctostaphylos montana subsp. montana) | | Synonym |
Arctostaphylos hookeri subsp. ravenii (Under Arctostaphylos montana subsp. ravenii) | | Synonym |
Arctostaphylos hooveri | HOOVER'S MANZANITA | Native |
Arctostaphylos howellii (Under Arctostaphylos glandulosa subsp. howellii) | | Synonym |
Arctostaphylos imbricata | SAN BRUNO MOUNTAIN MANZANITA | Native |
Arctostaphylos imbricata subsp. montaraensis (Under Arctostaphylos montaraensis) | | Synonym |
Arctostaphylos insularis | | Native |
Arctostaphylos insularis var. pubescens (Under Arctostaphylos insularis) | | Synonym |
Arctostaphylos klamathensis | KLAMATH MANZANITA | Native |
Arctostaphylos laevigata (Under Arctostaphylos manzanita subsp. laevigata) | | Synonym |
Arctostaphylos luciana | SANTA LUCIA MANZANITA | Native |
Arctostaphylos malloryi | MALLORY'S MANZANITA | Native |
Arctostaphylos manzanita | | Native |
Arctostaphylos manzanita subsp. bakeri (Under Arctostaphylos bakeri subsp. bakeri) | | Synonym |
Arctostaphylos manzanita subsp. elegans | KONOCTI MANZANITA | Native |
Arctostaphylos manzanita subsp. glaucescens | | Native |
Arctostaphylos manzanita subsp. laevigata | CONTRA COSTA MANZANITA | Native |
Arctostaphylos manzanita subsp. manzanita | | Native |
Arctostaphylos manzanita subsp. roofii | | Native |
Arctostaphylos manzanita subsp. wieslanderi | | Native |
Arctostaphylos manzanita var. elegans (Under Arctostaphylos manzanita subsp. elegans) | | Synonym |
Arctostaphylos mariposa (Under Arctostaphylos viscida subsp. mariposa) | | Synonym |
Arctostaphylos mendocinoensis (Under Arctostaphylos nummularia subsp. mendocinoensis) | | Synonym |
Arctostaphylos mewukka | | Native |
Arctostaphylos mewukka subsp. mewukka | | Native |
Arctostaphylos mewukka subsp. truei | TRUE'S MANZANITA | Native |
Arctostaphylos montana | | Native |
Arctostaphylos montana subsp. montana | MOUNT TAMALPAIS MANZANITA | Native |
Arctostaphylos montana subsp. ravenii | PRESIDIO MANZANITA | Native |
Arctostaphylos montaraensis | MONTARA MANZANITA | Native |
Arctostaphylos montereyensis | TORO MANZANITA | Native |
Arctostaphylos morroensis | MORRO MANZANITA | Native |
Arctostaphylos myrtifolia | IONE MANZANITA | Native |
Arctostaphylos nevadensis | | Native |
Arctostaphylos nevadensis subsp. knightii | KNIGHT'S MANZANITA | Native |
Arctostaphylos nevadensis subsp. nevadensis | PINE-MAT MANZANITA | Native |
Arctostaphylos nissenana | NISSENAN MANZANITA | Native |
Arctostaphylos nissenana var. arcana (Under Arctostaphylos nissenana) | | Synonym |
Arctostaphylos nortensis | DEL NORTE MANZANITA | Native |
Arctostaphylos nummularia | | Native |
Arctostaphylos nummularia subsp. mendocinoensis | PYGMY MANZANITA | Native |
Arctostaphylos nummularia subsp. nummularia | | Native |
Arctostaphylos nummularia subsp. sensitiva (Under Arctostaphylos sensitiva) | | Synonym |
Arctostaphylos nummularia var. myrtifolia (Under Arctostaphylos myrtifolia) | | Synonym |
Arctostaphylos nummularia var. sensitiva (Under Arctostaphylos sensitiva) | | Synonym |
Arctostaphylos obispoensis | BISHOP MANZANITA | Native |
Arctostaphylos ohloneana | OHLONE MANZANITA | Native |
Arctostaphylos osoensis | OSO MANZANITA | Native |
Arctostaphylos otayensis | OTAY MANZANITA | Native |
Arctostaphylos pacifica | PACIFIC MANZANITA | Native |
Arctostaphylos pajaroensis | PAJARO MANZANITA | Native |
Arctostaphylos pallida | PALLID MANZANITA | Native |
Arctostaphylos parryana | | Native |
Arctostaphylos parryana subsp. desertica | DESERT MANZANITA | Native |
Arctostaphylos parryana subsp. parryana | PARRY MANZANITA | Native |
Arctostaphylos parryana subsp. tumescens | INTERIOR MANZANITA | Native |
Arctostaphylos parryana var. pinetorum (Under Arctostaphylos patula) | | Synonym |
Arctostaphylos patula | GREENLEAF MANZANITA | Native |
Arctostaphylos patula subsp. gankinii | GANKIN'S GREENLEAF MANZANITA | Native |
Arctostaphylos patula subsp. patula | GREENLEAF MANZANITA | Native |
Arctostaphylos pechoensis | PECHO MANZANITA | Native |
Arctostaphylos pechoensis var. cruzensis (Under Arctostaphylos cruzensis) | | Synonym |
Arctostaphylos pechoensis var. viridissima (Under Arctostaphylos viridissima) | | Synonym |
Arctostaphylos pilosula | SANTA MARGARITA MANZANITA | Native |
Arctostaphylos pilosula subsp. pismoensis (Under Arctostaphylos pilosula) | | Synonym |
Arctostaphylos pringlei subsp. drupacea | | Native |
Arctostaphylos pseudopungens (Under Arctostaphylos pungens) | | Synonym |
Arctostaphylos pulchella (Under Arctostaphylos viscida subsp. pulchella) | | Synonym |
Arctostaphylos pumila | SANDMAT MANZANITA | Native |
Arctostaphylos pungens | | Native |
Arctostaphylos pungens subsp. bakeri (Under Arctostaphylos bakeri subsp. bakeri) | | Synonym |
Arctostaphylos pungens subsp. chaloneorum (Under Arctostaphylos pungens) | | Synonym |
Arctostaphylos pungens subsp. elegans (Under Arctostaphylos manzanita subsp. elegans) | | Synonym |
Arctostaphylos pungens subsp. laevigata (Under Arctostaphylos manzanita subsp. laevigata) | | Synonym |
Arctostaphylos pungens subsp. roofii (Under Arctostaphylos manzanita subsp. roofii) | | Synonym |
Arctostaphylos pungens var. montana (Under Arctostaphylos montana subsp. montana) | | Synonym |
Arctostaphylos pungens var. platyphylla (Under Arctostaphylos patula) | | Synonym |
Arctostaphylos purissima | LA PURISIMA MANZANITA | Native |
Arctostaphylos purissima subsp. globosa | GLOBOSE MANZANITA | Native |
Arctostaphylos purissima subsp. purissima | LA PURISIMA MANZANITA | Native |
Arctostaphylos rainbowensis | RAINBOW MANZANITA | Native |
Arctostaphylos refugioensis | REFUGIO MANZANITA | Native |
Arctostaphylos regismontana | KINGS MOUNTAIN MANZANITA | Native |
Arctostaphylos roofii (Under Arctostaphylos manzanita subsp. roofii) | | Synonym |
Arctostaphylos rosei (Under Arctostaphylos crustacea subsp. rosei) | | Synonym |
Arctostaphylos rudis | SAND MESA MANZANITA | Native |
Arctostaphylos sensitiva | | Native |
Arctostaphylos serpentinicola (Under Arctostaphylos viscida subsp. pulchella) | | Synonym |
Arctostaphylos silvicola | BONNY DOON MANZANITA | Native |
Arctostaphylos sonomensis (Under Arctostaphylos canescens subsp. sonomensis) | | Synonym |
Arctostaphylos stanfordiana | | Native |
Arctostaphylos stanfordiana subsp. bakeri (Under Arctostaphylos bakeri subsp. bakeri) | | Synonym |
Arctostaphylos stanfordiana subsp. decumbens | RINCON RIDGE MANZANITA | Native |
Arctostaphylos stanfordiana subsp. hispidula (Under Arctostaphylos hispidula) | | Synonym |
Arctostaphylos stanfordiana subsp. raichei | RAICHE'S MANZANITA | Native |
Arctostaphylos stanfordiana subsp. stanfordiana | | Native |
Arctostaphylos stanfordiana var. repens (Under Arctostaphylos stanfordiana subsp. decumbens) | | Synonym |
Arctostaphylos subcordata var. confertiflora (Under Arctostaphylos confertiflora) | | Synonym |
Arctostaphylos tomentosa | | Native |
Arctostaphylos tomentosa subsp. bracteosa | | Native |
Arctostaphylos tomentosa subsp. crinita (Under Arctostaphylos crustacea subsp. crinita) | | Synonym |
Arctostaphylos tomentosa subsp. crustacea (Under Arctostaphylos crustacea subsp. crustacea) | | Synonym |
Arctostaphylos tomentosa subsp. daciticola | DACITE MANZANITA | Native |
Arctostaphylos tomentosa subsp. eastwoodiana (Under Arctostaphylos crustacea subsp. eastwoodiana) | | Synonym |
Arctostaphylos tomentosa subsp. hebeclada | | Native |
Arctostaphylos tomentosa subsp. insulicola (Under Arctostaphylos crustacea subsp. insulicola) | | Synonym |
Arctostaphylos tomentosa subsp. rosei (Under Arctostaphylos crustacea subsp. rosei) | | Synonym |
Arctostaphylos tomentosa subsp. subcordata (Under Arctostaphylos crustacea subsp. subcordata) | | Synonym |
Arctostaphylos tomentosa subsp. tomentosa | | Native |
Arctostaphylos tomentosa var. crassifolia (Under Arctostaphylos glandulosa subsp. crassifolia) | | Synonym |
Arctostaphylos tomentosa var. crinita (Under Arctostaphylos crustacea subsp. crinita) | | Synonym |
Arctostaphylos tomentosa var. hebeclada (Under Arctostaphylos tomentosa subsp. bracteosa) | | Synonym |
Arctostaphylos tomentosa var. hebeclada (Under Arctostaphylos tomentosa subsp. hebeclada) | | Synonym |
Arctostaphylos tomentosa var. trichoclada (Under Arctostaphylos tomentosa subsp. bracteosa) | | Synonym |
Arctostaphylos tracyi (Under Arctostaphylos columbiana) | | Synonym |
Arctostaphylos truei (Under Arctostaphylos mewukka subsp. truei) | | Synonym |
Arctostaphylos uva-ursi | BEAR-BERRY, KINNIKINNICK | Native |
Arctostaphylos uva-ursi f. adenotricha (Under Arctostaphylos uva-ursi) | | Synonym |
Arctostaphylos uva-ursi f. coactilis (Under Arctostaphylos uva-ursi) | | Synonym |
Arctostaphylos uva-ursi subsp. adenotricha (Under Arctostaphylos uva-ursi) | | Synonym |
Arctostaphylos uva-ursi subsp. coactilis (Under Arctostaphylos uva-ursi) | | Synonym |
Arctostaphylos uva-ursi subsp. hookeri (Under Arctostaphylos hookeri subsp. hookeri) | | Synonym |
Arctostaphylos uva-ursi subsp. monoensis (Under Arctostaphylos uva-ursi) | | Synonym |
Arctostaphylos uva-ursi var. coactilis (Under Arctostaphylos uva-ursi) | | Synonym |
Arctostaphylos uva-ursi var. leobreweri (Under Arctostaphylos uva-ursi) | | Synonym |
Arctostaphylos uva-ursi var. marinensis (Under Arctostaphylos uva-ursi) | | Synonym |
Arctostaphylos uva-ursi var. saxicola (Under Arctostaphylos pacifica) | | Synonym |
Arctostaphylos virgata | MARIN MANZANITA | Native |
Arctostaphylos viridissima | WHITE-HAIRED MANZANITA | Native |
Arctostaphylos viscida | | Native |
Arctostaphylos viscida subsp. mariposa | MARIPOSA MANZANITA | Native |
Arctostaphylos viscida subsp. pulchella | | Native |
Arctostaphylos viscida subsp. viscida | | Native |
Arctostaphylos viscosissima (Under Arctostaphylos hispidula) | | Synonym |
Arctostaphylos wellsii (Under Arctostaphylos pilosula) | | Synonym |
Arctostaphylos zacaensis (Under Arctostaphylos glandulosa subsp. glandulosa) | | Synonym |
Arctotheca ↳ Key to Arctotheca | | |
Arctotheca calendula | CAPEWEED | Naturalized |
Arctotheca calendula (Under Arctotheca prostrata) | | Misapplied name, in part |
Arctotheca prostrata | PROSTRATE CAPEWEED | Naturalized |
Arctotis | | |
Arctotis stoechadifolia (Under Arctotis venusta) | | Misapplied name |
Arctotis venusta | BLUE-EYED AFRICAN DAISY | Naturalized |
Arecaceae (Palmae) ↳ Key to Arecaceae (Palmae) | PALM FAMILY | |
Arenaria ↳ Key to Arenaria | | |
Arenaria aculeata (Under Eremogone aculeata) | | Synonym |
Arenaria californica (Under Sabulina californica) | | Synonym |
Arenaria confusa (Under Arenaria lanuginosa var. saxosa) | | Synonym |
Arenaria congesta (Under Eremogone congesta) | | Synonym |
Arenaria congesta var. charlestonensis (Under Eremogone congesta var. charlestonensis) | | Synonym |
Arenaria congesta var. congesta (Under Eremogone congesta var. congesta) | | Synonym |
Arenaria congesta var. crassula (Under Eremogone congesta var. crassula) | | Synonym |
Arenaria congesta var. simulans (Under Eremogone congesta var. simulans) | | Synonym |
Arenaria congesta var. subcongesta (Under Eremogone congesta var. subcongesta) | | Synonym |
Arenaria congesta var. suffrutescens (Under Eremogone congesta var. suffrutescens) | | Synonym |
Arenaria douglasii (Under Sabulina douglasii) | | Synonym |
Arenaria douglasii var. emarginata (Under Sabulina douglasii) | | Synonym |
Arenaria howellii (Under Sabulina howellii) | | Synonym |
Arenaria kingii subsp. compacta (Under Eremogone kingii var. glabrescens) | | Synonym |
Arenaria kingii var. glabrescens (Under Eremogone kingii var. glabrescens) | | Synonym |
Arenaria lanuginosa subsp. saxosa (Under Arenaria lanuginosa var. saxosa) | | Synonym |
Arenaria lanuginosa var. saxosa | ROCK SANDWORT, SPREADING SANDWORT | Native |
Arenaria macradenia (Under Eremogone macradenia) | | Synonym |
Arenaria macradenia subsp. ferrisiae (Under Eremogone ferrisiae) | | Synonym |
Arenaria macradenia var. arcuifolia (Under Eremogone macradenia var. arcuifolia) | | Synonym |
Arenaria macradenia var. kuschei (Under Eremogone macradenia var. arcuifolia) | | Synonym |
Arenaria macradenia var. macradenia (Under Eremogone macradenia var. macradenia) | | Synonym |
Arenaria macradenia var. parishiorum (Under Eremogone macradenia var. macradenia) | | Synonym |
Arenaria macrophylla (Under Moehringia macrophylla) | | Synonym |
Arenaria nuttallii (Under Sabulina nuttallii) | | Synonym |
Arenaria nuttallii subsp. fragilis (Under Sabulina nuttallii var. fragilis) | | Synonym |
Arenaria nuttallii subsp. gracilis (Under Sabulina nuttallii var. gracilis) | | Synonym |
Arenaria nuttallii subsp. gregaria (Under Sabulina nuttallii var. gregaria) | | Synonym |
Arenaria obtusiloba (Under Cherleria biflora) | | Misapplied name |
Arenaria paludicola | MARSH SANDWORT | Native |
Arenaria pumicola var. californica (Under Eremogone kingii var. glabrescens) | | Synonym |
Arenaria pusilla (Under Sabulina pusilla) | | Synonym |
Arenaria pusilla var. diffusa (Under Sabulina californica) | | Synonym |
Arenaria rosei (Under Sabulina rosei) | | Synonym |
Arenaria rubella (Under Sabulina rubella) | | Synonym |
Arenaria serpyllifolia subsp. serpyllifolia (Under Arenaria serpyllifolia var. serpyllifolia) | | Synonym |
Arenaria serpyllifolia var. serpyllifolia | THYMELEAF SANDWORT | Naturalized |
Arenaria ursina (Under Eremogone ursina) | | Synonym |
Argemone ↳ Key to Argemone | PRICKLY POPPY | |
Argemone corymbosa | | Native |
Argemone munita | CHICALOTE | Native |
Argemone munita subsp. argentea (Under Argemone munita) | | Synonym |
Argemone munita subsp. robusta (Under Argemone munita) | | Synonym |
Argemone munita subsp. rotundata (Under Argemone munita) | | Synonym |
Argyranthemum | | |
Argyranthemum foeniculaceum | | Naturalized |
Argyrochosma ↳ Key to Argyrochosma | | |
Argyrochosma jonesii | JONES' FALSE CLOAK-FERN | Native |
Argyrochosma limitanea subsp. limitanea | SOUTHWESTERN FALSE CLOAK-FERN | Native |
Argyrochosma limitanea var. limitanea (Under Argyrochosma limitanea subsp. limitanea) | | Synonym ined. |
Argythamnia californica (Under Ditaxis serrata var. californica) | | Synonym |
Argythamnia clariana (Under Ditaxis claryana) | | Orthographic variant |
Argythamnia claryana (Under Ditaxis claryana) | | Synonym |
Argythamnia lanceolata (Under Ditaxis lanceolata) | | Synonym |
Argythamnia neomexicana (Under Ditaxis neomexicana) | | Synonym |
Arida arizonica (Under Leucosyris arida) | | Synonym |
Arida carnosa (Under Leucosyris carnosa) | | Synonym |
Aristida ↳ Key to Aristida | THREE-AWN | |
Aristida adscensionis | SIXWEEKS THREE-AWN | Native |
Aristida californica | CALIFORNIA THREE-AWN, MOJAVE THREE-AWN | Native |
Aristida dichotoma | CHURCHMOUSE THREE-AWN | Naturalized |
Aristida divaricata | POVERTY THREE-AWN | Native |
Aristida fendleriana (Under Aristida purpurea var. fendleriana) | | Synonym |
Aristida glauca (Under Aristida purpurea var. nealleyi) | | Synonym |
Aristida hamulosa (Under Aristida ternipes var. gentilis) | | Synonym |
Aristida longiseta (Under Aristida purpurea var. longiseta) | | Synonym |
Aristida oligantha | OLDFIELD THREE-AWN | Native |
Aristida parishii (Under Aristida purpurea var. parishii) | | Synonym |
Aristida purpurea | | Native |
Aristida purpurea var. fendleriana | FENDLER THREE-AWN | Native |
Aristida purpurea var. longiseta | RED THREE-AWN | Native |
Aristida purpurea var. nealleyi | NEALLEY THREE-AWN | Native |
Aristida purpurea var. parishii | PARISH THREE-AWN | Native |
Aristida purpurea var. purpurea | PURPLE THREE-AWN | Native |
Aristida purpurea var. robusta (Under Aristida purpurea var. longiseta) | | Synonym |
Aristida purpurea var. wrightii | WRIGHT THREE-AWN | Native |
Aristida ternipes var. gentilis | HOOK THREE-AWN | Native |
Aristida ternipes var. hamulosa (Under Aristida ternipes var. gentilis) | | Illegitimate name |
Aristida wrightii (Under Aristida purpurea var. wrightii) | | Synonym |
Aristocapsa | | |
Aristocapsa insignis | INDIAN VALLEY SPINEFLOWER | Native |
Aristolochia | PIPEVINE, BIRTHWORT | |
Aristolochia californica | | Native |
Aristolochiaceae ↳ Key to Aristolochiaceae | PIPEVINE FAMILY | |
Armeria | THRIFT, SEA-PINK | |
Armeria maritima subsp. californica | | Native |
Armeria maritima var. californica (Under Armeria maritima subsp. californica) | | Synonym |
Armoracia | | |
Armoracia rusticana | HORSE RADISH | Naturalized |
Arnica ↳ Key to Arnica | | |
Arnica ×diversifolia (Under Arnica ovata) | | Synonym |
Arnica amplexicaulis (Under Arnica lanceolata subsp. prima) | | Synonym |
Arnica bernardina (Under Arnica chamissonis) | | Synonym |
Arnica cernua | SERPENTINE ARNICA | Native |
Arnica chamissonis | CHAMISSO ARNICA | Native |
Arnica chamissonis subsp. foliosa (Under Arnica chamissonis) | | Synonym |
Arnica chamissonis var. bernardina (Under Arnica chamissonis) | | Synonym |
Arnica cordifolia | HEARTLEAF ARNICA | Native |
Arnica dealbata | MOCK LEOPARDBANE | Native |
Arnica discoidea | RAYLESS ARNICA | Native |
Arnica discoidea var. alata (Under Arnica discoidea) | | Synonym |
Arnica discoidea var. eradiata (Under Arnica discoidea) | | Synonym |
Arnica diversifolia (Under Arnica ovata) | | Synonym |
Arnica fulgens | HILLSIDE ARNICA | Native |
Arnica lanceolata subsp. prima | CLASPING ARNICA | Native |
Arnica latifolia | BROADLEAF ARNICA | Native |
Arnica longifolia | SPEARLEAF ARNICA | Native |
Arnica longifolia subsp. myriadenia (Under Arnica longifolia) | | Synonym |
Arnica mollis | HAIRY ARNICA | Native |
Arnica nevadensis | SIERRA ARNICA | Native |
Arnica ovata | STICKY LEAF ARNICA | Native |
Arnica parryi | NODDING ARNICA | Native |
Arnica parryi subsp. parryi (Under Arnica parryi) | | Synonym |
Arnica parryi subsp. sonnei (Under Arnica parryi) | | Synonym |
Arnica sonnei (Under Arnica parryi) | | Synonym |
Arnica sororia | TWIN ARNICA | Native |
Arnica spathulata | KLAMATH ARNICA | Native |
Arnica spathulata subsp. eastwoodiae (Under Arnica spathulata) | | Synonym |
Arnica tomentella (Under Arnica nevadensis) | | Synonym |
Arnica venosa | SHASTA COUNTY ARNICA | Native |
Arnica viscosa | MOUNT SHASTA ARNICA | Native |
Arrhenatherum | OAT GRASS | |
Arrhenatherum elatius | TALL OAT GRASS | Naturalized |
Arrhenatherum elatius subsp. bulbosum (Under Arrhenatherum elatius) | | Synonym |
Arrhenatherum elatius var. biaristatum (Under Arrhenatherum elatius) | | Synonym |
Arrhenatherum elatius var. bulbosum (Under Arrhenatherum elatius) | | Synonym |
Artemisia ↳ Key to Artemisia | MUGWORT, SAGEBRUSH, SAGEWORT | |
Artemisia annua | SWEET ANNIE | Waif |
Artemisia arbuscula | LOW SAGEBRUSH | Native |
Artemisia arbuscula subsp. arbuscula | | Native |
Artemisia arbuscula subsp. longiloba | | Native |
Artemisia arbuscula subsp. nova (Under Artemisia nova) | | Synonym |
Artemisia arctica (Under Artemisia norvegica subsp. saxatilis) | | Synonym |
Artemisia biennis | BIENNIAL WORMWOOD | Naturalized |
Artemisia biennis var. biennis (Under Artemisia biennis) | | Synonym |
Artemisia bigelovii | BIGELOW SAGEWORT | Native |
Artemisia bolanderi (Under Artemisia cana subsp. bolanderi) | | Synonym |
Artemisia borealis subsp. borealis | BOREAL SAGE | Native |
Artemisia californica | CALIFORNIA SAGEBRUSH | Native |
Artemisia californica var. insularis (Under Artemisia nesiotica) | | Synonym |
Artemisia campestris subsp. borealis (Under Artemisia borealis subsp. borealis) | | Synonym |
Artemisia cana subsp. bolanderi | SILVER SAGEBRUSH | Native |
Artemisia douglasiana | MUGWORT | Native |
Artemisia dracunculus | TARRAGON | Native |
Artemisia lindleyana (Under Artemisia ludoviciana subsp. incompta) | | Synonym |
Artemisia ludoviciana | SILVER WORMWOOD | Native |
Artemisia ludoviciana subsp. albula | | Native |
Artemisia ludoviciana subsp. candicans | | Native |
Artemisia ludoviciana subsp. incompta | | Native |
Artemisia ludoviciana subsp. ludoviciana | | Native |
Artemisia michauxiana | LEMON SAGEWORT | Native |
Artemisia nesiotica | ISLAND SAGEBRUSH | Native |
Artemisia norvegica subsp. saxatilis | ALPINE SAGEWORT | Native |
Artemisia nova | BLACK SAGEBRUSH | Native |
Artemisia palmeri | SAN DIEGO SAGEWORT | Native |
Artemisia petrophila (Under Artemisia bigelovii) | | Synonym |
Artemisia pycnocephala | COASTAL SAGEWORT | Native |
Artemisia rothrockii | ROTHROCK SAGEBRUSH | Native |
Artemisia spiciformis | SNOWFIELD SAGEBRUSH | Native |
Artemisia spinescens | BUDSAGE | Native |
Artemisia suksdorfii | COASTAL MUGWORT | Native |
Artemisia tridentata | | Native |
Artemisia tridentata subsp. bolanderi (Under Artemisia cana subsp. bolanderi) | | Synonym |
Artemisia tridentata subsp. parishii | | Native |
Artemisia tridentata subsp. tridentata | BIG SAGEBRUSH | Native |
Artemisia tridentata subsp. vaseyana | MOUNTAIN SAGEBRUSH | Native |
Artemisia tridentata subsp. wyomingensis | WYOMING SAGEBRUSH | Native |
Arthrocnemum | PICKLEWEED | |
Arthrocnemum subterminale | | Native |
Arum ↳ Key to Arum | | |
Arum italicum | ITALIAN ARUM | Naturalized |
Arum palaestinum | BLACK CALLA, SOLOMON'S LILY | Waif |
Aruncus | GOAT'S BEARD | |
Aruncus acuminatus (Under Aruncus dioicus var. acuminatus) | | Synonym |
Aruncus dioicus var. acuminatus | | Native |
Aruncus dioicus var. pubescens (Under Aruncus dioicus var. acuminatus) | | Misapplied name |
Arundo | | |
Arundo donax | GIANT REED | Naturalized |
Asarum ↳ Key to Asarum | WILD-GINGER | |
Asarum caudatum | | Native |
Asarum hartwegii | | Native |
Asarum lemmonii | | Native |
Asarum marmoratum | MARBLED WILD-GINGER | Native |
Asclepias ↳ Key to Asclepias | MILKWEED | |
Asclepias albicans | WHITE-STEMMED MILKWEED | Native |
Asclepias asperula subsp. asperula | ANTELOPE-HORNS | Native |
Asclepias californica | CALIFORNIA MILKWEED | Native |
Asclepias californica subsp. californica (Under Asclepias californica) | | Synonym |
Asclepias californica subsp. greenei (Under Asclepias californica) | | Synonym |
Asclepias capricornu subsp. occidentalis (Under Asclepias asperula subsp. asperula) | | Synonym |
Asclepias cordifolia | PURPLE MILKWEED | Native |
Asclepias cryptoceras | HUMBOLDT MOUNTAINS MILKWEED | Native |
Asclepias cryptoceras subsp. cryptoceras (Under Asclepias cryptoceras) | | Synonym |
Asclepias cryptoceras subsp. davisii (Under Asclepias cryptoceras) | | Synonym |
Asclepias curassavica | BLOODFLOWER MILKWEED | |
Asclepias eriocarpa | KOTOLO | Native |
Asclepias erosa | DESERT MILKWEED | Native |
Asclepias fascicularis | NARROW-LEAF MILKWEED | Native |
Asclepias fruticosa | | Waif |
Asclepias giffordii (Under Asclepias speciosa) | | Synonym |
Asclepias latifolia | BROADLEAF MILKWEED | Native |
Asclepias nyctaginifolia | MOJAVE MILKWEED | Native |
Asclepias solanoana | SERPENTINE MILKWEED | Native |
Asclepias speciosa | SHOWY MILKWEED | Native |
Asclepias subulata | RUSH MILKWEED | Native |
Asclepias vestita | WOOLLY MILKWEED | Native |
Asclepias vestita subsp. parishii (Under Asclepias vestita) | | Synonym |
Asclepias vestita subsp. vestita (Under Asclepias vestita) | | Synonym |
Asclepias vestita var. parishii (Under Asclepias vestita) | | Synonym |
Asclepias vestita var. vestita (Under Asclepias vestita) | | Synonym |
Asparagaceae | ASPARAGUS FAMILY | |
Asparagus ↳ Key to Asparagus | | |
Asparagus aethiopicus | | Waif |
Asparagus asparagoides | | Naturalized |
Asparagus densiflorus (Under Asparagus aethiopicus) | | Misapplied name |
Asparagus officinalis subsp. officinalis | | Naturalized |
Asparagus setaceus | | Naturalized |
Asperugo | MADWORT | |
Asperugo procumbens | | Naturalized |
Asphodelaceae ↳ Key to Asphodelaceae | ASPHODEL FAMILY | |
Asphodelus | ASPHODEL | |
Asphodelus fistulosus | | Naturalized |
Aspidotis ↳ Key to Aspidotis | | |
Aspidotis californica | CALIFORNIA LACE FERN | Native |
Aspidotis carlotta-halliae | CARLOTTA HALL'S LACE FERN | Native |
Aspidotis densa | DENSE LACE FERN | Native |
Aspleniaceae | SPLEENWORT FAMILY | |
Asplenium ↳ Key to Asplenium | SPLEENWORT | |
Asplenium septentrionale | NORTHERN SPLEENWORT | Native |
Asplenium trichomanes subsp. trichomanes | MAIDENHAIR SPLEENWORT | Native |
Asplenium trichomanes-ramosum (Under Asplenium viride) | | Synonym |
Asplenium vespertinum | WESTERN SPLEENWORT | Native |
Asplenium viride | GREEN SPLEENWORT | Native |
Astephanus utahense (Under Funastrum utahense) | | Synonym |
Aster alpigenus var. andersonii (Under Oreostemma alpigenum var. andersonii) | | Synonym |
Aster ascendens (Under Symphyotrichum ascendens) | | Synonym |
Aster ascendens var. parryi (Under Symphyotrichum foliaceum var. parryi) | | Synonym |
Aster bahamensis (Under Symphyotrichum subulatum var. elongatum) | | Synonym |
Aster bernardinus (Under Symphyotrichum defoliatum) | | Synonym |
Aster bracteolatus (Under Symphyotrichum bracteolatum) | | Synonym |
Aster breweri (Under Doellingeria breweri) | | Synonym |
Aster brickellioides (Under Doellingeria tomentella) | | Synonym |
Aster brickellioides var. glabratus (Under Doellingeria glabrata) | | Synonym |
Aster campestris (Under Symphyotrichum campestre) | | Synonym |
Aster chilensis (Under Symphyotrichum chilense) | | Synonym |
Aster chilensis subsp. ascendens (Under Symphyotrichum ascendens) | | Synonym |
Aster chilensis var. bernardinus (Under Symphyotrichum defoliatum) | | Synonym |
Aster chilensis var. lentus (Under Symphyotrichum lentum) | | Synonym |
Aster chilensis var. medius (Under Symphyotrichum chilense) | | Synonym |
Aster chilensis var. sonomensis (Under Symphyotrichum lentum) | | Synonym |
Aster cognatus (Under Xylorhiza cognata) | | Synonym |
Aster eatonii (Under Symphyotrichum bracteolatum) | | Synonym |
Aster elmeri (Under Erigeron elmeri) | | Synonym |
Aster engelmannii (Under Doellingeria engelmannii) | | Synonym |
Aster foliaceus (Under Symphyotrichum foliaceum) | | Synonym |
Aster foliaceus (Under Symphyotrichum hendersonii) | | Synonym |
Aster foliaceus var. apricus (Under Symphyotrichum foliaceum var. apricum) | | Synonym |
Aster foliaceus var. parryi (Under Symphyotrichum foliaceum var. parryi) | | Synonym |
Aster frondosus (Under Symphyotrichum frondosum) | | Synonym |
Aster greatae (Under Symphyotrichum greatae) | | Synonym |
Aster hendersonii (Under Symphyotrichum hendersonii) | | Synonym |
Aster hesperius (Under Symphyotrichum lanceolatum var. hesperium) | | Synonym |
Aster integrifolius (Under Eurybia integrifolia) | | Synonym |
Aster intricatus (Under Leucosyris carnosa) | | Synonym |
Aster lanceolatus subsp. hesperius (Under Symphyotrichum lanceolatum var. hesperium) | | Synonym |
Aster ledophyllus var. covillei (Under Doellingeria ledophylla var. covillei) | | Synonym |
Aster lentus (Under Symphyotrichum lentum) | | Synonym |
Aster lentus var. sonomensis (Under Symphyotrichum lentum) | | Synonym |
Aster occidentalis (Under Symphyotrichum spathulatum) | | Synonym |
Aster occidentalis var. delectabilis (Under Symphyotrichum spathulatum var. spathulatum) | | Synonym |
Aster occidentalis var. intermedius (Under Symphyotrichum spathulatum var. intermedium) | | Synonym |
Aster occidentalis var. occidentalis (Under Symphyotrichum spathulatum var. spathulatum) | | Synonym |
Aster occidentalis var. parishii (Under Symphyotrichum spathulatum var. spathulatum) | | Synonym |
Aster occidentalis var. yosemitanus (Under Symphyotrichum spathulatum var. yosemitanum) | | Synonym |
Aster orcuttii (Under Xylorhiza orcuttii) | | Synonym |
Aster oregonensis subsp. californicus (Under Sericocarpus oregonensis subsp. californicus) | | Synonym |
Aster oregonensis subsp. oregonensis (Under Sericocarpus oregonensis subsp. oregonensis) | | Synonym |
Aster paludicola (Under Symphyotrichum spathulatum var. yosemitanum) | | Synonym |
Aster pauciflorus (Under Almutaster pauciflorus) | | Synonym |
Aster peirsonii (Under Oreostemma peirsonii) | | Synonym |
Aster radulinus (Under Eurybia radulina) | | Synonym |
Aster scopulorum (Under Ionactis alpina) | | Synonym |
Aster sibiricus var. meritus (Under Eurybia merita) | | Synonym |
Aster siskiyouensis (Under Doellingeria glabrata) | | Synonym |
Aster spathulatus (Under Symphyotrichum spathulatum) | | Synonym |
Aster spathulatus var. intermedius (Under Symphyotrichum spathulatum var. intermedium) | | Synonym |
Aster spinosus (Under Chloracantha spinosa var. spinosa) | | Synonym |
Aster squamatum (Under Symphyotrichum subulatum var. squamatum) | | Synonym |
Aster subspicatus (Under Symphyotrichum subspicatum) | | Synonym |
Aster subulatus (Under Symphyotrichum subulatum) | | Synonym |
Aster subulatus var. cubensis (Under Symphyotrichum subulatum var. parviflorum) | | Synonym |
Aster subulatus var. elongatus (Under Symphyotrichum subulatum var. elongatum) | | Synonym |
Asteraceae (Compositae) ↳ Key to Asteraceae (Compositae) | SUNFLOWER FAMILY | |
Astragalus ↳ Key to Astragalus | LOCOWEED, MILKVETCH | |
Astragalus accidens var. hendersonii | | Native |
Astragalus acutirostris | | Native |
Astragalus agnicidus | HUMBOLDT COUNTY MILKVETCH | Native |
Astragalus agrestis | FIELD MILKVETCH | Native |
Astragalus albens | CUSHENBURY MILKVETCH | Native |
Astragalus allochrous var. playanus | PLAYA MILKVETCH | Native |
Astragalus andersonii | | Native |
Astragalus antisellii (Under Astragalus trichopodus var. phoxus) | | Synonym |
Astragalus antisellii var. gaviotus (Under Astragalus trichopodus var. phoxus) | | Synonym |
Astragalus antisellii var. phoxus (Under Astragalus trichopodus var. phoxus) | | Synonym |
Astragalus anxius | ASH VALLEY MILKVETCH | Native |
Astragalus argophyllus var. argophyllus | SILVER-LEAVED MILKVETCH | Native |
Astragalus aridus | | Native |
Astragalus asymmetricus | | Native |
Astragalus atratus var. mensanus | DARWIN MESA MILKVETCH | Native |
Astragalus austiniae | | Native |
Astragalus bernardianus (Under Astragalus bernardinus) | | Orthographic variant |
Astragalus bernardinus | | Native |
Astragalus bicristatus | CRESTED MILKVETCH | Native |
Astragalus bolanderi | | Native |
Astragalus brauntonii | BRAUNTON'S MILKVETCH | Native |
Astragalus breweri | BREWER'S MILKVETCH | Native |
Astragalus californicus | KLAMATH MILKVETCH | Native |
Astragalus calycosus var. calycosus | TORREY'S MILKVETCH | Native |
Astragalus canadensis var. brevidens | | Native |
Astragalus casei | | Native |
Astragalus cicer | CHICKPEA MILKVETCH | Naturalized |
Astragalus cimae ↳ Key to Astragalus cimae | | Native |
Astragalus cimae var. cimae | CIMA MILKVETCH | Native |
Astragalus cimae var. sufflatus | INFLATED CIMA MILKVETCH | Native |
Astragalus claranus | CLARA HUNT'S MILKVETCH | Native |
Astragalus clarianus (Under Astragalus claranus) | | Orthographic variant |
Astragalus clevelandii | CLEVELAND'S MILKVETCH | Native |
Astragalus coccineus | SCARLET MILKVETCH | Native |
Astragalus congdonii | | Native |
Astragalus crotalariae | SALTON MILKVETCH | Native |
Astragalus curtipes | MORRO MILKVETCH | Native |
Astragalus curvicarpus var. curvicarpus | SICKLE MILKVETCH | Native |
Astragalus deanei | DEAN'S MILKVETCH | Native |
Astragalus didymocarpus ↳ Key to Astragalus didymocarpus | TWO-SEEDED MILKVETCH | Native |
Astragalus didymocarpus var. daleoides (Under Astragalus didymocarpus var. didymocarpus) | | Synonym |
Astragalus didymocarpus var. didymocarpus | | Native |
Astragalus didymocarpus var. dispermus | | Native |
Astragalus didymocarpus var. milesianus | MILES' MILKVETCH | Native |
Astragalus didymocarpus var. obispoensis | | Native |
Astragalus douglasii ↳ Key to Astragalus douglasii | DOUGLAS MILKVETCH | Native |
Astragalus douglasii var. douglasii | | Native |
Astragalus douglasii var. parishii | | Native |
Astragalus douglasii var. perstrictus | JACUMBA MILKVETCH | Native |
Astragalus ertterae | WALKER PASS MILKVETCH | Native |
Astragalus filipes | BASALT MILKVETCH | Native |
Astragalus funereus | BLACK MILKVETCH | Native |
Astragalus gambelianus | GAMBEL MILKVETCH, LITTLE BLUE LOCO | Native |
Astragalus geyeri var. geyeri | GEYER'S MILKVETCH | Native |
Astragalus gibbsii | GIBBS' MILKVETCH | Native |
Astragalus gilmanii | GILMAN'S MILKVETCH | Native |
Astragalus hornii var. hornii | HORN'S MILKVETCH | Native |
Astragalus insularis var. harwoodii | HARWOOD'S MILKVETCH | Native |
Astragalus inversus | SUSANVILLE MILKVETCH | Native |
Astragalus inyoensis | INYO MILKVETCH | Native |
Astragalus iodanthus ↳ Key to Astragalus iodanthus | | Native |
Astragalus iodanthus var. diaphanoides | SNAKE MILKVETCH | Native |
Astragalus iodanthus var. iodanthus | HUMBOLDT RIVER MILKVETCH | Native |
Astragalus iodanthus var. pseudiodanthus (Under Astragalus pseudiodanthus) | | Synonym |
Astragalus jaegerianus | LANE MOUNTAIN MILKVETCH | Native |
Astragalus johannis-howellii | LONG VALLEY MILKVETCH | Native |
Astragalus kentrophyta ↳ Key to Astragalus kentrophyta | | Native |
Astragalus kentrophyta var. danaus | SWEETWATER MOUNTAINS MILKVETCH | Native |
Astragalus kentrophyta var. elatus | SPINY-LEAVED MILKVETCH | Native |
Astragalus kentrophyta var. implexus (Under Astragalus kentrophyta var. tegetarius) | | Synonym |
Astragalus kentrophyta var. tegetarius | | Native |
Astragalus kentrophyta var. ungulatus | SPINY MILKVETCH | Native |
Astragalus layneae | LAYNE MILKVETCH | Native |
Astragalus lemmonii | LEMMON'S MILKVETCH | Native |
Astragalus lentiformis | LENS-POD MILKVETCH | Native |
Astragalus lentiginosus ↳ Key to Astragalus lentiginosus | FRECKLED MILKVETCH | Native |
Astragalus lentiginosus var. albifolius | | Native |
Astragalus lentiginosus var. antonius | SAN ANTONIO MILKVETCH | Native |
Astragalus lentiginosus var. borreganus | BORREGO MILKVETCH | Native |
Astragalus lentiginosus var. carinatus (Under Astragalus lentiginosus var. lentiginosus) | | Synonym |
Astragalus lentiginosus var. chartaceus | | Native |
Astragalus lentiginosus var. coachellae | COACHELLA VALLEY MILKVETCH | Native |
Astragalus lentiginosus var. coulteri (Under Astragalus lentiginosus var. borreganus) | | Synonym |
Astragalus lentiginosus var. floribundus | | Native |
Astragalus lentiginosus var. fremontii | FREMONT'S MILKVETCH | Native |
Astragalus lentiginosus var. idriensis | | Native |
Astragalus lentiginosus var. ineptus | | Native |
Astragalus lentiginosus var. kernensis | KERN PLATEAU MILKVETCH | Native |
Astragalus lentiginosus var. lentiginosus | | Native |
Astragalus lentiginosus var. micans | SHINING MILKVETCH | Native |
Astragalus lentiginosus var. nigricalycis | | Native |
Astragalus lentiginosus var. piscinensis | FISH SLOUGH MILKVETCH | Native |
Astragalus lentiginosus var. platyphyllidius (Under Astragalus lentiginosus var. chartaceus) | | Synonym |
Astragalus lentiginosus var. salinus | | Native |
Astragalus lentiginosus var. semotus | | Native |
Astragalus lentiginosus var. sesquimetralis | SODAVILLE MILKVETCH | Native |
Astragalus lentiginosus var. sierrae | BIG BEAR VALLEY MILKVETCH | Native |
Astragalus lentiginosus var. variabilis | | Native |
Astragalus leucolobus | BIG BEAR VALLEY WOOLLYPOD | Native |
Astragalus leucopsis (Under Astragalus trichopodus var. lonchus) | | Synonym |
Astragalus leucopsis var. lonchus (Under Astragalus trichopodus var. lonchus) | | Synonym |
Astragalus macrodon | SALINAS MILKVETCH | Native |
Astragalus magdalenae var. peirsonii | PEIRSON'S MILKVETCH | Native |
Astragalus malacus | | Native |
Astragalus miguelensis | SAN MIGUEL ISLAND MILKVETCH | Native |
Astragalus minthorniae var. villosus | | Native |
Astragalus mohavensis ↳ Key to Astragalus mohavensis | | Native |
Astragalus mohavensis var. hemigyrus | CURVED-POD MILKVETCH | Native |
Astragalus mohavensis var. mohavensis | | Native |
Astragalus monoensis | MONO MILKVETCH | Native |
Astragalus monoensis var. ravenii (Under Astragalus ravenii) | | Synonym |
Astragalus nevinii | SAN CLEMENTE ISLAND MILKVETCH | Native |
Astragalus newberryi var. newberryi | NEWBERRY'S MILKVETCH | Native |
Astragalus nutans | PROVIDENCE MOUNTAINS MILKVETCH | Native |
Astragalus nuttallianus ↳ Key to Astragalus nuttallianus | SMALL-FLOWERED MILKVETCH | Native |
Astragalus nuttallianus var. austrinus | | Possibly in ca |
Astragalus nuttallianus var. cedrosensis | | Native |
Astragalus nuttallianus var. imperfectus | | Native |
Astragalus nuttallii ↳ Key to Astragalus nuttallii | NUTTALL'S MILKVETCH | Native |
Astragalus nuttallii var. nuttallii | OCEAN BLUFF MILKVETCH | Native |
Astragalus nuttallii var. virgatus | | Native |
Astragalus nyensis | NYE MILKVETCH | Native |
Astragalus obscurus | | Native |
Astragalus oocarpus | SAN DIEGO MILKVETCH | Native |
Astragalus oophorous (Under Astragalus oophorus) | | Orthographic variant |
Astragalus oophorous var. lavinii (Under Astragalus oophorus var. lavinii) | | Orthographic variant |
Astragalus oophorous var. oophorous (Under Astragalus oophorus var. oophorus) | | Orthographic variant |
Astragalus oophorus ↳ Key to Astragalus oophorus | | Native |
Astragalus oophorus var. lavinii | LAVIN'S MILKVETCH | Native |
Astragalus oophorus var. oophorus | EGG MILKVETCH | Native |
Astragalus oxyphysus | STANISLAUS MILKVETCH | Native |
Astragalus pachypus ↳ Key to Astragalus pachypus | | Native |
Astragalus pachypus var. jaegeri | JAEGER'S BUSH MILKVETCH | Native |
Astragalus pachypus var. pachypus | BUSH MILKVETCH | Native |
Astragalus palmeri | | Native |
Astragalus panamintensis | | Native |
Astragalus pauperculus | DEPAUPERATE MILKVETCH | Native |
Astragalus platytropis | BROAD-KEELED MILKVETCH | Native |
Astragalus pomonensis | | Native |
Astragalus preussii ↳ Key to Astragalus preussii | | Native |
Astragalus preussii var. laxiflorus | LANCASTER MILKVETCH | Native |
Astragalus preussii var. preussii | PREUSS' MILKVETCH | Native |
Astragalus pseudiodanthus | TONOPAH MILKVETCH | Native |
Astragalus pulsiferae ↳ Key to Astragalus pulsiferae | | Native |
Astragalus pulsiferae var. coronensis | MODOC PLATEAU MILKVETCH | Native |
Astragalus pulsiferae var. pulsiferae | PULSIFER'S MILKVETCH | Native |
Astragalus pulsiferae var. suksdorfii | SUKSDORF'S MILKVETCH | Native |
Astragalus purshii ↳ Key to Astragalus purshii | PURSH'S MILKVETCH | Native |
Astragalus purshii var. funereus (Under Astragalus funereus) | | Synonym |
Astragalus purshii var. lagopinus | | Native |
Astragalus purshii var. lectulus | | Native |
Astragalus purshii var. longilobus (Under Astragalus purshii var. tinctus) | | Synonym |
Astragalus purshii var. purshii | | Native |
Astragalus purshii var. tinctus | | Native |
Astragalus pycnostachyus ↳ Key to Astragalus pycnostachyus | | Native |
Astragalus pycnostachyus var. lanosissimus | VENTURA MARSH MILKVETCH | Native |
Astragalus pycnostachyus var. pycnostachyus | COASTAL MARSH MILKVETCH | Native |
Astragalus rattanii ↳ Key to Astragalus rattanii | | Native |
Astragalus rattanii var. jepsonianus | JEPSON'S MILKVETCH | Native |
Astragalus rattanii var. rattanii | RATTAN'S MILKVETCH | Native |
Astragalus ravenii | RAVEN'S MILKVETCH | Native |
Astragalus sabulonum | | Native |
Astragalus sepultipes | BISHOP MILKVETCH | Native |
Astragalus serenoi var. shockleyi | SHOCKLEY'S MILKVETCH | Native |
Astragalus shevockii | SHEVOCK'S MILKVETCH | Native |
Astragalus subvestitus | KERN COUNTY MILKVETCH | Native |
Astragalus tegetarioides var. anxius (Under Astragalus anxius) | | Synonym |
Astragalus tener ↳ Key to Astragalus tener | | Native |
Astragalus tener var. ferrisiae | FERRIS' MILKVETCH | Native |
Astragalus tener var. tener | ALKALI MILKVETCH | Native |
Astragalus tener var. titi | COASTAL DUNES MILKVETCH | Native |
Astragalus tephrodes var. brachylobus | | Possibly in ca |
Astragalus tidestromii | TIDESTROM'S MILKVETCH | Native |
Astragalus traskiae | TRASK'S MILKVETCH | Native |
Astragalus tricarinatus | TRIPLE-RIBBED MILKVETCH | Native |
Astragalus trichopodus ↳ Key to Astragalus trichopodus | | Native |
Astragalus trichopodus var. lonchus | | Native |
Astragalus trichopodus var. phoxus | ANTISELL MILKVETCH | Native |
Astragalus trichopodus var. trichopodus | SANTA BARBARA MILKVETCH | Native |
Astragalus umbraticus | BALD MOUNTAIN MILKVETCH | Native |
Astragalus vaseyi (Under Astragalus palmeri) | | Synonym |
Astragalus webberi | WEBBER'S MILKVETCH | Native |
Astragalus whitneyi ↳ Key to Astragalus whitneyi | BALLOON MILKVETCH | Native |
Astragalus whitneyi var. confusus | | Native |
Astragalus whitneyi var. lenophyllus | WOOLLY-LEAVED MILKVETCH | Native |
Astragalus whitneyi var. siskiyouensis | | Native |
Astragalus whitneyi var. whitneyi | | Native |
Astragalus wootoni var. wootoni (Under Astragalus allochrous var. playanus) | | Synonym |
Astrolepis | | |
Astrolepis cochisensis | SCALY CLOAK-FERN | Native |
Asyneuma | HAREBELL | |
Asyneuma prenanthoides | | Native |
Athyriaceae | LADY FERN FAMILY | |
Athyrium ↳ Key to Athyrium | LADY FERN | |
Athyrium alpestre var. americanum (Under Athyrium distentifolium var. americanum) | | Illegitimate name |
Athyrium distentifolium var. americanum | | Native |
Athyrium filix-femina var. californicum (Under Athyrium filix-femina var. cyclosorum) | | Synonym |
Athyrium filix-femina var. cyclosorum | | Native |
Athyrium filix-femina var. sitchense (Under Athyrium filix-femina var. cyclosorum) | | Synonym |
Athysanus ↳ Key to Athysanus | | |
Athysanus pusillus | | Native |
Athysanus unilateralis | | Native |
Atocion | | |
Atocion armeria | SWEET-WILLIAM CATCHFLY | Naturalized |
Atrichoseris | GRAVEL-GHOST | |
Atrichoseris platyphylla | | Native |
Atriplex ↳ Key to Atriplex | SALTBUSH, ORACH | |
Atriplex amnicola | SWAMP SALTBUSH | Naturalized |
Atriplex argentea | SILVERSCALE | Native |
Atriplex argentea subsp. expansa (Under Atriplex argentea var. expansa) | | Synonym |
Atriplex argentea var. argentea | | Native |
Atriplex argentea var. expansa | | Native |
Atriplex argentea var. hillmanii | HILLMAN'S SILVERSCALE | Native |
Atriplex argentea var. longitrichoma | PAHRUMP ORACH | Native |
Atriplex argentea var. mohavensis (Under Atriplex argentea var. expansa) | | Synonym |
Atriplex bracteosa (Under Atriplex serenana) | | Illegitimate name |
Atriplex californica (Under Extriplex californica) | | Synonym |
Atriplex canescens | FOUR-WING SALTBUSH | Native |
Atriplex canescens subsp. canescens (Under Atriplex canescens var. canescens) | | Synonym |
Atriplex canescens subsp. linearis (Under Atriplex canescens var. linearis) | | Synonym |
Atriplex canescens var. canescens | | Native |
Atriplex canescens var. laciniata | CALEB SALTBUSH | Native |
Atriplex canescens var. linearis | SLENDERLEAF SALTBUSH | Native |
Atriplex canescens var. macilenta | SALTON SALTBUSH | Native |
Atriplex confertifolia | SHADSCALE | Native |
Atriplex cordulata | HEARTSCALE | Native |
Atriplex cordulata var. cordulata | | Native |
Atriplex cordulata var. erecticaulis | EARLIMART ORACH | Native |
Atriplex cordulata var. tularensis (Under Atriplex tularensis) | | Synonym |
Atriplex coronata | | Native |
Atriplex coronata var. coronata | CROWNSCALE | Native |
Atriplex coronata var. notatior | SAN JACINTO VALLEY CROWNSCALE | Native |
Atriplex coronata var. vallicola | LOST HILLS CROWNSCALE | Native |
Atriplex coronata var. verna (Under Atriplex coronata var. coronata) | | Synonym |
Atriplex coulteri | COULTER'S SALTBUSH | Native |
Atriplex covillei (Under Stutzia covillei) | | Synonym |
Atriplex curvidens (Under Atriplex polycarpa) | | Synonym |
Atriplex davidsonii (Under Atriplex serenana var. davidsonii) | | Synonym |
Atriplex decumbens (Under Atriplex watsonii) | | Synonym |
Atriplex depressa | BRITTLESCALE | Native |
Atriplex dioica | THICKLEAF ORACH | Native |
Atriplex elegans | WHEELSCALE | Native |
Atriplex elegans subsp. fasciculata (Under Atriplex elegans var. fasciculata) | | Synonym |
Atriplex elegans var. elegans | | Native |
Atriplex elegans var. fasciculata | MECCA ORACH | Native |
Atriplex erecticaulis (Under Atriplex cordulata var. erecticaulis) | | Synonym |
Atriplex expansa (Under Atriplex argentea var. expansa) | | Synonym |
Atriplex falcata (Under Atriplex gardneri var. falcata) | | Synonym |
Atriplex fasciculata (Under Atriplex elegans var. fasciculata) | | Synonym |
Atriplex flagellaris (Under Atriplex semibaccata) | | Synonym |
Atriplex flavida | CARRIZO PLAIN CROWNSCALE | Native |
Atriplex fruticulosa | BALLSCALE, LITTLE OAK ORACH | Native |
Atriplex gardneri var. falcata | FALCATE SALTBUSH | Native |
Atriplex glauca | | Naturalized |
Atriplex gmelinii var. gmelinii | GMELIN'S SALTBUSH | Native |
Atriplex halimoides (Under Atriplex lindleyi) | | Illegitimate name |
Atriplex hastata (Under Atriplex prostrata) | | Unabridged misapplied name |
Atriplex hastata subsp. patula (Under Atriplex patula) | | Synonym |
Atriplex hastata var. patula (Under Atriplex patula) | | Synonym |
Atriplex heterosperma (Under Atriplex micrantha) | | Synonym |
Atriplex hillmanii (Under Atriplex argentea var. hillmanii) | | Synonym |
Atriplex hortensis | GARDEN ORACH | Naturalized |
Atriplex hymenelytra | DESERT-HOLLY | Native |
Atriplex joaquinana (Under Extriplex joaquinana) | | Synonym |
Atriplex joaquiniana (Under Extriplex joaquinana) | | Orthographic variant |
Atriplex johnstonii (Under Atriplex nummularia) | | Synonym |
Atriplex lentiformis | BIG SALTBUSH | Native |
Atriplex lentiformis subsp. torreyi (Under Atriplex torreyi var. torreyi) | | Synonym |
Atriplex lentiformis var. torreyi (Under Atriplex torreyi var. torreyi) | | Synonym |
Atriplex leucophylla | BEACH SALTBUSH | Native |
Atriplex lindleyi | | Naturalized |
Atriplex linearis (Under Atriplex canescens var. linearis) | | Synonym |
Atriplex longitrichoma (Under Atriplex argentea var. longitrichoma) | | Synonym |
Atriplex micrantha | RUSSIAN ATRIPLEX | Naturalized |
Atriplex minuscula | LESSER SALTSCALE | Native |
Atriplex nitens (Under Atriplex hortensis) | | Synonym |
Atriplex nummularia | | Naturalized |
Atriplex nuttallii (Under Atriplex canescens) | | Synonym |
Atriplex nuttallii var. falcata (Under Atriplex gardneri var. falcata) | | Synonym |
Atriplex pacifica | SOUTH COAST SALTSCALE | Native |
Atriplex parishii | PARISH'S BRITTLESCALE | Native |
Atriplex parishii var. depressa (Under Atriplex depressa) | | Synonym |
Atriplex parishii var. minuscula (Under Atriplex minuscula) | | Synonym |
Atriplex parishii var. persistens (Under Atriplex persistens) | | Synonym |
Atriplex parishii var. subtilis (Under Atriplex subtilis) | | Synonym |
Atriplex parryi | | Native |
Atriplex patula | SPEAR ORACH | Native |
Atriplex patula subsp. hastata (Under Atriplex prostrata) | | Unabridged misapplied name |
Atriplex patula subsp. spicata (Under Extriplex joaquinana) | | Synonym |
Atriplex patula var. obtusa (Under Atriplex gmelinii var. gmelinii) | | Synonym |
Atriplex patula var. subspicata (Under Atriplex dioica) | | Synonym |
Atriplex persistens | VERNAL POOL SMALLSCALE | Native |
Atriplex phyllostegia (Under Stutzia covillei) | | Synonym, in part |
Atriplex polycarpa | ALLSCALE SALTBUSH | Native |
Atriplex prostrata | FAT-HEN | Naturalized |
Atriplex pusilla | SMOOTH SALTBUSH | Native |
Atriplex ramosissima (Under Atriplex pacifica) | | Synonym |
Atriplex rosea | TUMBLING ORACH | Naturalized |
Atriplex saltonensis (Under Atriplex elegans var. fasciculata) | | Synonym |
Atriplex semibaccata | AUSTRALIAN SALTBUSH | Naturalized |
Atriplex serenana | BRACTSCALE, STINKING ORACH | Native |
Atriplex serenana var. davidsonii | DAVIDSON'S SALTSCALE | Native |
Atriplex serenana var. serenana | | Native |
Atriplex spicata (Under Extriplex joaquinana) | | Illegitimate name |
Atriplex spicata var. lagunita (Under Extriplex joaquinana) | | Synonym |
Atriplex spinifera | SPINY SALTBUSH | Native |
Atriplex subdecumbens (Under Atriplex truncata) | | Synonym |
Atriplex suberecta | SPRAWLING SALTBUSH | Naturalized |
Atriplex subspicata (Under Atriplex dioica) | | Synonym |
Atriplex subtilis | SUBTLE ORACH | Native |
Atriplex torreyi var. torreyi | TORREY'S SALTBUSH | Native |
Atriplex triangularis (Under Atriplex prostrata) | | Synonym |
Atriplex trinervata (Under Atriplex argentea var. expansa) | | Synonym |
Atriplex truncata | WEDGESCALE | Native |
Atriplex truncata var. stricta (Under Atriplex truncata) | | Synonym |
Atriplex tularensis | BAKERSFIELD SMALLSCALE | Native |
Atriplex vallicola (Under Atriplex coronata var. vallicola) | | Synonym |
Atriplex verna (Under Atriplex coronata var. coronata) | | Synonym |
Atriplex watsonii | | Native |
Aubrieta | | |
Aubrieta deltoidea | | Waif |
Avena ↳ Key to Avena | OATS | |
Avena barbata | SLENDER WILD OAT | Naturalized |
Avena fatua | WILD OAT | Naturalized |
Avena fatua var. sativa (Under Avena sativa) | | Synonym |
Avena sativa | CULTIVATED OAT | Naturalized |
Avena sterilis | ANIMATED OAT | Naturalized |
Avicennia | | |
Avicennia marina var. australasica | GRAY MANGROVE | Naturalized |
Avicennia marina var. resinifera (Under Avicennia marina var. australasica) | | Synonym |
Ayenia | | |
Ayenia californica (Under Ayenia compacta) | | Synonym |
Ayenia compacta | CALIFORNIA AYENIA | Native |
Azolla ↳ Key to Azolla | | |
Azolla filiculoides | | Native |
Azolla mexicana (Under Azolla microphylla) | | Synonym |
Azolla microphylla | MEXICAN MOSQUITO FERN | Native |
Azollaceae | MOSQUITO FERN FAMILY | |
Baccharis ↳ Key to Baccharis | | |
Baccharis brachyphylla | | Native |
Baccharis douglasii (Under Baccharis glutinosa) | | Synonym |
Baccharis emoryi (Under Baccharis salicina) | | Synonym |
Baccharis glutinosa | MARSH BACCHARIS | Native |
Baccharis glutinosa (Under Baccharis salicifolia subsp. salicifolia) | | Misapplied name |
Baccharis malibuensis | MALIBU BACCHARIS | Native |
Baccharis pilularis | COYOTE BRUSH | Native |
Baccharis pilularis subsp. consanguinea | | Native |
Baccharis pilularis subsp. pilularis | | Native |
Baccharis pilularis var. consanguinea (Under Baccharis pilularis subsp. consanguinea) | | Synonym |
Baccharis plummerae | | Native |
Baccharis plummerae subsp. glabrata | SAN SIMEON BACCHARIS | Native |
Baccharis plummerae subsp. plummerae | PLUMMER'S BACCHARIS | Native |
Baccharis salicifolia subsp. salicifolia | MULE FAT | Native |
Baccharis salicina | | Native |
Baccharis sarothroides | BROOM BACCHARIS | Native |
Baccharis sarothroides var. pluricephala (Under Lepidospartum squamatum) | | Synonym |
Baccharis sergiloides | DESERT BACCHARIS | Native |
Baccharis vanessae | ENCINITAS BACCHARIS | Native |
Bacopa ↳ Key to Bacopa | WATER-HYSSOP | |
Bacopa eisenii | | Native |
Bacopa monnieri | | Naturalized |
Bacopa nobsiana (Under Bacopa rotundifolia) | | Synonym |
Bacopa repens | | Agricultural weed |
Bacopa rotundifolia | | Naturalized |
Baeothryon pumilum (Under Trichophorum pumilum) | | Synonym |
Bahia dissecta (Under Hymenothrix dissecta) | | Synonym |
Bahia neomexicana (Under Picradeniopsis multiflora) | | Synonym |
Bahiopsis ↳ Key to Bahiopsis | | |
Bahiopsis laciniata | SAN DIEGO VIGUIERA | Native |
Bahiopsis parishii | PARISH'S GOLDENEYE | Native |
Bahiopsis reticulata | DEATH VALLEY GOLDENEYE | Native |
Baileya ↳ Key to Baileya | DESERT-MARIGOLD | |
Baileya multiradiata | | Native |
Baileya multiradiata var. multiradiata (Under Baileya multiradiata) | | Synonym |
Baileya pauciradiata | | Native |
Baileya pleniradiata | | Native |
Balsaminaceae | TOUCH-ME-NOT or BALSAM FAMILY | |
Balsamorhiza ↳ Key to Balsamorhiza | BALSAMROOT | |
Balsamorhiza deltoidea | | Native |
Balsamorhiza hirsuta | | Native |
Balsamorhiza hookeri | | Native |
Balsamorhiza hookeri var. lanata (Under Balsamorhiza lanata) | | Synonym |
Balsamorhiza hookeri var. neglecta (Under Balsamorhiza hirsuta) | | Synonym |
Balsamorhiza lanata | WOOLLY BALSAMROOT | Native |
Balsamorhiza macrolepis | | Native |
Balsamorhiza macrolepis var. macrolepis (Under Balsamorhiza macrolepis) | | Synonym |
Balsamorhiza macrolepis var. platylepis (Under Balsamorhiza hookeri) | | Synonym |
Balsamorhiza sagittata | | Native |
Balsamorhiza sericea | SILKY BALSAMROOT | Native |
Balsamorhiza serrata | SERRATED BALSAMROOT | Native |
Barbarea ↳ Key to Barbarea | WINTER CRESS, ROCKET | |
Barbarea orthoceras | | Native |
Barbarea orthoceras var. dolichocarpa (Under Barbarea orthoceras) | | Synonym |
Barbarea verna | EARLY WINTER CRESS | Naturalized |
Barbarea vulgaris | YELLOW ROCKET | Naturalized |
Basellaceae | BASELLA FAMILY | |
Bassia ↳ Key to Bassia | | |
Bassia hyssopifolia | | Naturalized |
Bassia scoparia | | Naturalized |
Bassia scoparia subsp. culta (Under Bassia scoparia) | | Synonym |
Bassia scoparia var. culta (Under Bassia scoparia) | | Synonym |
Bataceae | SALTWORT FAMILY | |
Batis | | |
Batis maritima | SALTWORT, BEACHWORT | Native |
Batis vermiculata (Under Sarcobatus vermiculatus) | | Synonym |
Bebbia | SWEETBUSH | |
Bebbia juncea var. aspera | | Native |
Beckamannia syzigachne subsp. baicalensis (Under Beckmannia syzigachne) | | Synonym |
Beckmannia | | |
Beckmannia syzigachne | AMERICAN SLOUGH GRASS | Native |
Beckwithia andersonii (Under Ranunculus andersonii) | | Synonym |
Bellardia ↳ Key to Bellardia | | |
Bellardia trixago var. trixago | MEDITERRANEAN LINESEED | Naturalized |
Bellardia viscosa | YELLOW GLANDWEED | Naturalized |
Bellis | | |
Bellis perennis | ENGLISH DAISY | Naturalized |
Beloperone californica (Under Justicia californica) | | Synonym |
Benitoa | | |
Benitoa occidentalis | | Native |
Bensonia oregona (Under Bensoniella oregona) | | Synonym |
Bensoniella | | |
Bensoniella oregona | BENSONIELLA | Native |
Berberidaceae ↳ Key to Berberidaceae | BARBERRY FAMILY | |
Berberis ↳ Key to Berberis | OREGON-GRAPE, BARBERRY | |
Berberis amplectens (Under Berberis aquifolium var. repens) | | Synonym |
Berberis aquifolium | | Native |
Berberis aquifolium var. aquifolium | | Native |
Berberis aquifolium var. dictyota | | Native |
Berberis aquifolium var. repens | | Native |
Berberis californica (Under Berberis aquifolium var. dictyota) | | Synonym |
Berberis darwinii | | Naturalized |
Berberis dictyota (Under Berberis aquifolium var. dictyota) | | Synonym |
Berberis fremontii | | Native |
Berberis haematocarpa | | Native |
Berberis harrisoniana | KOFA MOUNTAIN BARBERRY | Native |
Berberis higginsiae | | Native |
Berberis nervosa | | Native |
Berberis nevinii | NEVIN'S BARBERRY | Native |
Berberis pinnata | | Native |
Berberis pinnata subsp. insularis | ISLAND BARBERRY | Native |
Berberis pinnata subsp. pinnata | | Native |
Berberis piperiana (Under Berberis aquifolium var. aquifolium) | | Synonym |
Berberis pumila (Under Berberis aquifolium var. repens) | | Synonym |
Berberis repens (Under Berberis aquifolium var. repens) | | Synonym |
Berberis sonnei (Under Berberis aquifolium var. repens) | | Synonym |
Berberis vulgaris | | Naturalized |
Bergerocactus | | |
Bergerocactus emoryi | GOLDEN-SPINED CEREUS | Native |
Bergia | WATERFIRE | |
Bergia texana | | Native |
Bernardia | | |
Bernardia incana | | Native |
Berteroa | | |
Berteroa incana | | Naturalized |
Berula | CUTLEAF WATER-PARSNIP | |
Berula erecta | | Native |
Beta | BEET | |
Beta vulgaris subsp. maritima | SEA BEET | Naturalized |
Betula ↳ Key to Betula | BIRCH | |
Betula glandulosa | DWARF RESIN BIRCH | Native |
Betula occidentalis | WATER BIRCH | Native |
Betula viridis (Under Alnus viridis) | | Synonym |
Betulaceae ↳ Key to Betulaceae | BIRCH FAMILY | |
Bidens ↳ Key to Bidens | | |
Bidens cernua | NODDING BUR-MARIGOLD | Native |
Bidens cernua var. cernua (Under Bidens cernua) | | Synonym |
Bidens connata var. petiolata (Under Bidens tripartita) | | Synonym |
Bidens frondosa | STICKTIGHT | Native |
Bidens laevis | BUR-MARIGOLD | Native |
Bidens pilosa | COMMON BEGGAR-TICKS | Naturalized |
Bidens pilosa var. pilosa (Under Bidens pilosa) | | Synonym |
Bidens tripartita | | Naturalized |
Bidens vulgata | | Naturalized |
Bigelowia greenei (Under Chrysothamnus greenei) | | Synonym |
Bignoniaceae ↳ Key to Bignoniaceae | TRUMPET-CREEPER FAMILY | |
Bilderdykia aubertii (Under Fallopia baldschuanica) | | Synonym |
Bilderdykia baldschuanica (Under Fallopia baldschuanica) | | Synonym |
Bilderdykia convolvulus (Under Fallopia convolvulus) | | Synonym |
Billardiera | | |
Billardiera heterophylla | AUSTRALIAN BLUEBELL | Naturalized |
Biolettia riparia (Under Trichocoronis wrightii var. wrightii) | | Synonym |
Bistorta | | |
Bistorta bistortoides | WESTERN BISTORT | Native |
Bituminaria | | |
Bituminaria bituminosa | ARABIAN PEA | Naturalized |
Blechnaceae ↳ Key to Blechnaceae | DEER FERN FAMILY | |
Blechnum spicant (Under Struthiopteris spicant) | | Synonym |
Blennosperma ↳ Key to Blennosperma | | |
Blennosperma bakeri | SONOMA SUNSHINE | Native |
Blennosperma nanum | | Native |
Blennosperma nanum var. nanum | | Native |
Blennosperma nanum var. robustum | POINT REYES BLENNOSPERMA | Native |
Blepharidachne | EYELASH GRASS, DESERT GRASS | |
Blepharidachne kingii | KING'S EYELASH GRASS | Native |
Blepharipappus | EYELASH TARWEED | |
Blepharipappus scaber | | Native |
Blepharipappus scaber subsp. laevis (Under Blepharipappus scaber) | | Synonym |
Blepharizonia ↳ Key to Blepharizonia | BIG TARWEED | |
Blepharizonia laxa | | Native |
Blepharizonia plumosa | BIG TARPLANT | Native |
Blepharizonia plumosa subsp. plumosa (Under Blepharizonia plumosa) | | Synonym |
Blepharizonia plumosa subsp. viscida (Under Blepharizonia laxa) | | Synonym |
Bloomeria ↳ Key to Bloomeria | GOLDENSTAR | |
Bloomeria aurea (Under Bloomeria crocea var. aurea) | | Synonym |
Bloomeria clevelandii | SAN DIEGO GOLDENSTAR | Native |
Bloomeria crocea | COMMON GOLDENSTAR | Native |
Bloomeria crocea var. aurea | | Native |
Bloomeria crocea var. crocea | | Native |
Bloomeria crocea var. montana | MOUNTAIN GOLDENSTAR | Native |
Bloomeria gracilis (Under Bloomeria crocea var. crocea) | | Synonym |
Bloomeria humilis | DWARF GOLDENSTAR | Native |
Bloomeria maritima (Under Muilla maritima) | | Synonym |
Bloomeria maritima var. serotina (Under Muilla maritima) | | Synonym |
Bloomeria montana (Under Bloomeria crocea var. montana) | | Synonym |
Bloomeria transmontana (Under Muilla transmontana) | | Synonym |
Boechera ↳ Key to Boechera | ROCKCRESS | |
Boechera acutina | POINTED ROCKCRESS | Native |
Boechera arcuata | ARCHING ROCKCRESS | Native |
Boechera bodiensis | BODIE HILLS ROCKCRESS | Native |
Boechera breweri | | Native |
Boechera breweri subsp. breweri | BREWER'S ROCKCRESS | Native |
Boechera breweri subsp. shastaensis | SHASTA ROCKCRESS | Native |
Boechera calderi | CALDER'S ROCKCRESS | Native |
Boechera californica | CALIFORNIA ROCKCRESS | Native |
Boechera cobrensis | MASONIC ROCKCRESS | Native |
Boechera constancei | CONSTANCE'S ROCKCRESS | Native |
Boechera covillei | COVILLE'S ROCKCRESS | Native |
Boechera davidsonii | DAVIDSON'S ROCKCRESS | Native |
Boechera demissa var. pendulina (Under Boechera pendulina) | | Synonym |
Boechera depauperata | SOLDIER ROCKCRESS | Native |
Boechera dispar | PINYON ROCKCRESS | Native |
Boechera divaricarpa | SPREADINGPOD ROCKCRESS | Native |
Boechera elkoensis | ELKO ROCKCRESS | Native |
Boechera evadens | HIDDEN ROCKCRESS | Native |
Boechera glaucovalvula | BLUEPOD ROCKCRESS | Native |
Boechera hirshbergiae (Under Boechera johnstonii) | | Synonym |
Boechera hoffmannii | HOFFMANN'S ROCKCRESS | Native |
Boechera holboellii var. pendulocarpa (Under Boechera pendulocarpa) | | Synonym |
Boechera howellii | HOWELL'S ROCKCRESS | Native |
Boechera inyoensis | INYO ROCKCRESS | Native |
Boechera johnstonii | JOHNSTON'S ROCKCRESS | Native |
Boechera koehleri | KOEHLER'S ROCKCRESS | Native |
Boechera lemmonii | LEMMON'S ROCKCRESS | Native |
Boechera lincolnensis | LINCOLN ROCKCRESS | Native |
Boechera lyallii | LYALL'S ROCKCRESS | Native |
Boechera parishii | PARISH'S ROCKCRESS | Native |
Boechera pauciflora | HAIRY STEM ROCKCRESS | Native |
Boechera paupercula | SMALL-FLOWERED ROCKCRESS | Native |
Boechera peirsonii | PEIRSON'S ROCKCRESS | Native |
Boechera pendulina | RABBIT-EAR ROCKCRESS | Native |
Boechera pendulocarpa | DROPSEED ROCKCRESS | Native |
Boechera perennans | PERENNIAL ROCKCRESS | Native |
Boechera pinetorum | WOODLAND ROCKCRESS | Native |
Boechera pinzliae | PINZL'S ROCKCRESS | Native |
Boechera platysperma | PIONEER ROCKCRESS | Native |
Boechera pratincola | MEADOW ROCKCRESS | Native |
Boechera puberula | SILVER ROCKCRESS | Native |
Boechera pulchra | BEAUTIFUL ROCKCRESS | Native |
Boechera pygmaea | TULARE COUNTY ROCKCRESS | Native |
Boechera rectissima | BRISTLY LEAF ROCKCRESS | Native |
Boechera repanda | YOSEMITE ROCKCRESS | Native |
Boechera repanda var. greenei (Under Boechera repanda) | | Synonym |
Boechera retrofracta | REFLEXED ROCKCRESS | Native |
Boechera rigidissima | TRINITY MOUNTAIN ROCKCRESS | Native |
Boechera rollei | ROLLE'S ROCKCRESS | Native |
Boechera rubicundula | MOUNT DAY ROCKCRESS | Native |
Boechera selbyi var. inyoensis (Under Boechera inyoensis) | | Synonym |
Boechera serpenticola | SERPENTINE ROCKCRESS | Native |
Boechera shevockii | SHEVOCK'S ROCKCRESS | Native |
Boechera shockleyi | SHOCKLEY'S ROCKCRESS | Native |
Boechera sparsiflora | SICKLEPOD ROCKCRESS | Native |
Boechera stricta | DRUMMOND'S ROCKCRESS | Native |
Boechera subpinnatifida | KLAMATH ROCKCRESS | Native |
Boechera suffrutescens | WOODY ROCKCRESS | Native |
Boechera tiehmii | TIEHM'S ROCKCRESS | Native |
Boechera tularensis | TULARE ROCKCRESS | Native |
Boechera ultra-alsa (Under Boechera ultraalsa) | | Orthographic variant |
Boechera ultraalsa | SNOW MOUNTAIN ROCKCRESS | Native |
Boechera xylopoda | BIGFOOT HYBRID ROCKCRESS | Native |
Boechera yorkii | LAST CHANCE ROCKCRESS | Native |
Boehmeria | FALSE NETTLE | |
Boehmeria cylindrica | | Naturalized |
Boehmeria nivea (Under Boehmeria cylindrica) | | Misapplied name |
Boerhavia ↳ Key to Boerhavia | SPIDERLING | |
Boerhavia annulatus (Under Anulocaulis annulatus) | | Synonym |
Boerhavia coccinea | SCARLET SPIDERLING | Native |
Boerhavia coulteri | | Native |
Boerhavia coulteri var. coulteri | | Native |
Boerhavia coulteri var. palmeri | | Native |
Boerhavia diffusa | | Naturalized |
Boerhavia intermedia (Under Boerhavia triquetra var. intermedia) | | Synonym |
Boerhavia triquetra var. intermedia | | Native |
Boerhavia wrightii | | Native |
Boisduvalia cleistogama (Under Epilobium cleistogamum) | | Synonym |
Boisduvalia densiflora (Under Epilobium densiflorum) | | Synonym |
Boisduvalia densiflora var. pallescens (Under Epilobium densiflorum) | | Synonym |
Boisduvalia densiflora var. salicina (Under Epilobium densiflorum) | | Synonym |
Boisduvalia glabella (Under Epilobium campestre) | | Synonym |
Boisduvalia glabella var. campestris (Under Epilobium campestre) | | Synonym |
Boisduvalia macrantha (Under Epilobium pallidum) | | Synonym |
Boisduvalia pallida (Under Epilobium pallidum) | | Synonym |
Boisduvalia stricta (Under Epilobium torreyi) | | Synonym |
Boisduvalia torreyi (Under Epilobium torreyi) | | Synonym |
Bolandra | | |
Bolandra californica | SIERRA BOLANDRA | Native |
Bolboschoenus ↳ Key to Bolboschoenus | TUBEROUS BULRUSHES | |
Bolboschoenus fluviatilis | RIVER BULRUSH | Native |
Bolboschoenus glaucus | | Naturalized |
Bolboschoenus maritimus subsp. paludosus | SALTMARSH BULRUSH, ALKALI BULRUSH | Native |
Bolboschoenus robustus | SEACOAST BULRUSH | Native |
Boraginaceae ↳ Key to Boraginaceae | BORAGE FAMILY | |
Borago | BORAGE | |
Borago officinalis | | Naturalized |
Boschniakia hookeri (Under Kopsiopsis hookeri) | | Synonym |
Boschniakia strobilacea (Under Kopsiopsis strobilacea) | | Synonym |
Bothriochloa ↳ Key to Bothriochloa | | |
Bothriochloa barbinodis | CANE BLUESTEM | Native |
Bothriochloa ischaemum | KING RANCH BLUESTEM | Waif |
Bothriochloa ischaemum var. songarica (Under Bothriochloa ischaemum) | | Synonym |
Bothriochloa laguroides subsp. torreyana | SILVER BLUESTEM | Naturalized |
Botrychium ↳ Key to Botrychium | MOONWORT | |
Botrychium ascendens | UPSWEPT MOONWORT | Native |
Botrychium boreale subsp. obtusilobum (Under Botrychium pinnatum) | | Synonym |
Botrychium californicum (Under Sceptridium multifidum) | | Synonym |
Botrychium coulteri (Under Sceptridium multifidum) | | Synonym |
Botrychium crenulatum | SCALLOPED MOONWORT | Native |
Botrychium lineare | SLENDER MOONWORT | Native |
Botrychium lunaria | COMMON MOONWORT | Native |
Botrychium lunaria var. minganense (Under Botrychium minganense) | | Synonym |
Botrychium minganense | MINGAN MOONWORT | Native |
Botrychium montanum | WESTERN GOBLIN | Native |
Botrychium multifidum (Under Sceptridium multifidum) | | Synonym |
Botrychium multifidum subsp. californicum (Under Sceptridium multifidum) | | Synonym |
Botrychium multifidum subsp. coulteri (Under Sceptridium multifidum) | | Synonym |
Botrychium multifidum subsp. silaifolium (Under Sceptridium multifidum) | | Synonym |
Botrychium onondagense (Under Botrychium lunaria) | | Synonym |
Botrychium paradoxum | PARADOX MOONWORT | Native |
Botrychium pinnatum | NORTHWESTERN MOONWORT | Native |
Botrychium pumicola | PUMICE MOONWORT | Native |
Botrychium silaifolium (Under Sceptridium multifidum) | | Synonym |
Botrychium simplex | | Native |
Botrychium simplex var. compositum | YOSEMITE MOONWORT | Native |
Botrychium simplex var. simplex | LEAST MOONWORT | Native |
Botrychium tunux | MOOSEWORT | Native |
Botrychium virginianum (Under Botrypus virginianus) | | Synonym |
Botrychium yaaxudakeit | GIANT MOONWORT | Native |
Botrypus | RATTLESNAKE FERN | |
Botrypus virginianus | | Native |
Boussingaultia cordifolia (Under Anredera cordifolia) | | Synonym |
Boussingaultia gracilis (Under Anredera cordifolia) | | Synonym |
Boussingaultia gracilis var. pseudobaselloides (Under Anredera cordifolia) | | Synonym |
Bouteloua ↳ Key to Bouteloua | GRAMA | |
Bouteloua aristidoides var. aristidoides | NEEDLE GRAMA | Native |
Bouteloua barbata var. barbata | SIXWEEKS GRAMA | Native |
Bouteloua curtipendula | SIDE-OATS GRAMA | Native |
Bouteloua eriopoda | BLACK GRAMA | Native |
Bouteloua gracilis | BLUE GRAMA | Native |
Bouteloua trifida | THREE-AWNED GRAMA | Native |
Bowlesia | | |
Bowlesia incana | | Native |
Boykinia ↳ Key to Boykinia | | |
Boykinia elata (Under Boykinia occidentalis) | | Synonym |
Boykinia major | | Native |
Boykinia occidentalis | | Native |
Boykinia rotundifolia | | Native |
Brachypodium ↳ Key to Brachypodium | FALSE BROME | |
Brachypodium distachyon | | Naturalized |
Brachypodium pinnatum | | Waif |
Brachypodium sylvaticum | | Naturalized |
Brandegea | DESERT STAR-VINE | |
Brandegea bigelovii | | Native |
Brasenia | WATERSHIELD | |
Brasenia peltata (Under Brasenia schreberi) | | Synonym |
Brasenia purpurea (Under Brasenia schreberi) | | Synonym |
Brasenia schreberi | | Native |
Brassica ↳ Key to Brassica | MUSTARD | |
Brassica alba (Under Sinapis alba) | | Synonym |
Brassica campestris (Under Brassica rapa) | | Synonym |
Brassica fruticulosa | | Naturalized |
Brassica geniculata (Under Hirschfeldia incana) | | Synonym |
Brassica hirta (Under Sinapis alba) | | Synonym |
Brassica juncea | INDIA MUSTARD | Naturalized |
Brassica kaber (Under Sinapis arvensis) | | Synonym |
Brassica napus | SWEDE RAPE, RAPESEED | Naturalized |
Brassica nigra | BLACK MUSTARD | Naturalized |
Brassica oleracea | CABBAGE | Naturalized |
Brassica rapa | TURNIP, FIELD MUSTARD | Naturalized |
Brassica tournefortii | SAHARA MUSTARD | Naturalized |
Brassicaceae (Cruciferae) ↳ Key to Brassicaceae (Cruciferae) | MUSTARD FAMILY | |
Brayulinea densa (Under Guilleminea densa var. aggregata) | | Synonym |
Brevoortia coccinea (Under Dichelostemma ida-maia) | | Synonym |
Brevoortia ida-maia (Under Dichelostemma ida-maia) | | Synonym |
Brickellia ↳ Key to Brickellia | BRICKELLBUSH | |
Brickellia arguta (Under Brickellia atractyloides var. arguta) | | Synonym |
Brickellia arguta var. arguta (Under Brickellia atractyloides var. arguta) | | Synonym |
Brickellia arguta var. odontolepis (Under Brickellia atractyloides var. odontolepis) | | Synonym |
Brickellia atractyloides | | Native |
Brickellia atractyloides var. arguta | PUNGENT BRICKELLBUSH | Native |
Brickellia atractyloides var. atractyloides | SPEARLEAF BRICKELLBUSH | Native |
Brickellia atractyloides var. odontolepis | | Native |
Brickellia californica | CALIFORNIA BRICKELLBUSH | Native |
Brickellia californica var. desertorum (Under Brickellia desertorum) | | Synonym |
Brickellia californica var. tenera (Under Brickellia californica) | | Synonym |
Brickellia desertorum | | Native |
Brickellia frutescens | | Native |
Brickellia grandiflora | | Native |
Brickellia grayana (Under Brickellia microphylla var. microphylla) | | Synonym |
Brickellia greenei | | Native |
Brickellia incana | | Native |
Brickellia knappiana | | Native |
Brickellia linifolia (Under Brickellia oblongifolia var. linifolia) | | Synonym |
Brickellia longifolia | | Native |
Brickellia longifolia var. longifolia | | Native |
Brickellia longifolia var. multiflora | | Native |
Brickellia microphylla | | Native |
Brickellia microphylla subsp. scabra (Under Brickellia microphylla var. scabra) | | Synonym |
Brickellia microphylla var. microphylla | | Native |
Brickellia microphylla var. scabra | | Native |
Brickellia microphylla var. watsonii (Under Brickellia microphylla var. microphylla) | | Synonym |
Brickellia multiflora (Under Brickellia longifolia var. multiflora) | | Synonym |
Brickellia nevinii | | Native |
Brickellia oblongifolia subsp. linifolia (Under Brickellia oblongifolia var. linifolia) | | Synonym |
Brickellia oblongifolia var. linifolia | | Native |
Brickellia scabra (Under Brickellia microphylla var. scabra) | | Synonym |
Brickellia tenera (Under Brickellia californica) | | Synonym |
Brickellia watsonii (Under Brickellia microphylla var. microphylla) | | Synonym |
Brickellia wrightii var. tenera (Under Brickellia californica) | | Synonym |
Briza ↳ Key to Briza | QUAKING GRASS | |
Briza maxima | RATTLESNAKE GRASS, LARGE QUAKING GRASS | Naturalized |
Briza minor | ANNUAL QUAKING GRASS, SMALL QUAKING GRASS | Naturalized |
Brodiaea ↳ Key to Brodiaea | | |
Brodiaea appendiculata | | Native |
Brodiaea bicolor (Under Triteleia grandiflora) | | Synonym |
Brodiaea bridgesii (Under Triteleia bridgesii) | | Synonym |
Brodiaea californica | CALIFORNIA BRODIAEA | Native |
Brodiaea californica subsp. leptandra (Under Brodiaea leptandra) | | Synonym |
Brodiaea californica var. leptandra (Under Brodiaea leptandra) | | Synonym |
Brodiaea candida (Under Triteleia laxa) | | Synonym |
Brodiaea capitata var. insularis (Under Dipterostemon capitatus subsp. capitatus) | | Synonym |
Brodiaea capitata var. pauciflora (Under Dipterostemon capitatus subsp. pauciflorus) | | Synonym |
Brodiaea clementina (Under Triteleia clementina) | | Synonym |
Brodiaea coccinea (Under Dichelostemma ida-maia) | | Synonym |
Brodiaea congesta (Under Dichelostemma congestum) | | Synonym |
Brodiaea coronaria | GARLAND BRODIAEA | Native |
Brodiaea coronaria subsp. coronaria (Under Brodiaea coronaria) | | Synonym |
Brodiaea coronaria subsp. rosea (Under Brodiaea rosea subsp. rosea) | | Synonym |
Brodiaea coronaria var. kernensis (Under Brodiaea terrestris subsp. kernensis) | | Synonym |
Brodiaea coronaria var. macropoda (Under Brodiaea terrestris subsp. terrestris) | | Synonym |
Brodiaea coronaria var. mundula (Under Brodiaea elegans subsp. elegans) | | Synonym |
Brodiaea coronaria var. rosea (Under Brodiaea rosea subsp. rosea) | | Synonym |
Brodiaea crocea (Under Triteleia crocea) | | Synonym |
Brodiaea crocea var. modesta (Under Triteleia crocea) | | Synonym |
Brodiaea dissimulata (Under Triteleia hyacinthina) | | Synonym |
Brodiaea douglasii var. howellii (Under Triteleia grandiflora) | | Synonym |
Brodiaea dudleyi (Under Triteleia dudleyi) | | Synonym |
Brodiaea elegans subsp. elegans | HARVEST BRODIAEA | Native |
Brodiaea elegans var. australis (Under Brodiaea terrestris subsp. kernensis) | | Synonym |
Brodiaea elegans var. mundula (Under Brodiaea elegans subsp. elegans) | | Synonym |
Brodiaea filifolia | THREAD-LEAVED BRODIAEA | Native |
Brodiaea filifolia var. orcuttii (Under Brodiaea orcuttii) | | Synonym |
Brodiaea gracilis (Under Triteleia montana) | | Synonym |
Brodiaea grandiflora (Under Triteleia grandiflora) | | Illegitimate name |
Brodiaea grandiflora var. brachypoda (Under Dichelostemma multiflorum) | | Synonym |
Brodiaea grandiflora var. elatior (Under Brodiaea californica) | | Synonym |
Brodiaea grandiflora var. macropoda (Under Brodiaea terrestris subsp. terrestris) | | Synonym |
Brodiaea grandiflora var. minor (Under Brodiaea minor) | | Synonym |
Brodiaea hendersonii (Under Triteleia hendersonii) | | Synonym |
Brodiaea howellii (Under Triteleia grandiflora) | | Synonym |
Brodiaea hyacinthina (Under Triteleia hyacinthina) | | Synonym |
Brodiaea hyacinthina var. greenei (Under Triteleia lilacina) | | Synonym |
Brodiaea hyacinthina var. lactea (Under Triteleia hyacinthina) | | Synonym |
Brodiaea hyacinthina var. lilacina (Under Triteleia hyacinthina) | | Synonym |
Brodiaea ida-maia (Under Dichelostemma ida-maia) | | Synonym |
Brodiaea insignis | KAWEAH BRODIAEA | Native |
Brodiaea insularis (Under Dipterostemon capitatus subsp. capitatus) | | Synonym |
Brodiaea ixioides var. lugens (Under Triteleia lugens) | | Synonym |
Brodiaea ixioides var. scabra (Under Triteleia ixioides subsp. scabra) | | Synonym |
Brodiaea jolonensis | MESA BRODIAEA, CHAPARRAL CLUSTER-LILY | Native |
Brodiaea kinkiensis | SAN CLEMENTE ISLAND BRODIAEA | Native |
Brodiaea lactea (Under Triteleia hyacinthina) | | Synonym |
Brodiaea lactea var. lilacina (Under Triteleia hyacinthina) | | Synonym |
Brodiaea laxa (Under Triteleia laxa) | | Synonym |
Brodiaea laxa var. candida (Under Triteleia laxa) | | Synonym |
Brodiaea laxa var. tracyi (Under Triteleia laxa) | | Synonym |
Brodiaea leachiae (Under Triteleia hendersonii) | | Synonym |
Brodiaea leptandra | NARROW-FLOWERED CALIFORNIA BRODIAEA | Native |
Brodiaea lilacina (Under Triteleia lilacina) | | Synonym |
Brodiaea lugens (Under Triteleia lugens) | | Synonym |
Brodiaea lutea (Under Triteleia ixioides subsp. ixioides) | | Synonym |
Brodiaea lutea var. anilina (Under Triteleia ixioides subsp. anilina) | | Synonym |
Brodiaea lutea var. cookii (Under Triteleia ixioides subsp. cookii) | | Synonym |
Brodiaea lutea var. lugens (Under Triteleia lugens) | | Synonym |
Brodiaea lutea var. scabra (Under Triteleia ixioides subsp. scabra) | | Synonym |
Brodiaea matsonii | SULPHUR CREEK BRODIAEA | Native |
Brodiaea minor | SMALL BRODIAEA | Native |
Brodiaea minor var. nana (Under Brodiaea nana) | | Synonym |
Brodiaea modesta (Under Triteleia crocea) | | Synonym |
Brodiaea multiflora (Under Dichelostemma multiflorum) | | Synonym |
Brodiaea nana | DWARF BRODIAEA | Native |
Brodiaea orcuttii | ORCUTT'S BRODIAEA | Native |
Brodiaea pallida | CHINESE CAMP BRODIAEA | Native |
Brodiaea parviflora (Under Dichelostemma multiflorum) | | Synonym |
Brodiaea peduncularis (Under Triteleia peduncularis) | | Synonym |
Brodiaea pulchella (Under Dipterostemon capitatus) | | Synonym |
Brodiaea pulchella var. pauciflora (Under Dipterostemon capitatus subsp. pauciflorus) | | Synonym |
Brodiaea purdyi (Under Brodiaea minor) | | Synonym |
Brodiaea rosea | | Native |
Brodiaea rosea subsp. rosea | INDIAN VALLEY BRODIAEA | Native |
Brodiaea rosea subsp. vallicola | VALLEY BRODIAEA | Native |
Brodiaea santarosae | SANTA ROSA BASALT BRODIAEA | Native |
Brodiaea scabra (Under Triteleia ixioides subsp. scabra) | | Synonym |
Brodiaea scabra var. anilina (Under Triteleia ixioides subsp. anilina) | | Synonym |
Brodiaea sierrae | SIERRA FOOTHILLS BRODIAEA | Native |
Brodiaea stellaris | STAR BRODIAEA | Native |
Brodiaea synandra var. insignis (Under Brodiaea insignis) | | Synonym |
Brodiaea terrestris | | Native |
Brodiaea terrestris subsp. kernensis | | Native |
Brodiaea terrestris subsp. terrestris | | Native |
Brodiaea torreyi (Under Brodiaea terrestris subsp. terrestris) | | Synonym |
Brodiaea uniflora (Under Ipheion uniflorum) | | Synonym |
Brodiaea volubilis (Under Dichelostemma volubile) | | Synonym |
Bromidium tandilense (Under Agrostis tandilensis) | | Synonym |
Bromus ↳ Key to Bromus | BROME, CHESS | |
Bromus alopecuros (Under Bromus caroli-henrici) | | Misapplied name |
Bromus anomalus (Under Bromus porteri) | | Misapplied name |
Bromus arenarius | AUSTRALIAN CHESS | Naturalized |
Bromus arizonicus | ARIZONA BROME | Native |
Bromus arvensis | FIELD BROME | Waif |
Bromus berteroanus | CHILEAN CHESS | Naturalized |
Bromus breviaristatus (Under Bromus sitchensis var. marginatus) | | Synonym |
Bromus briziformis | RATTLESNAKE CHESS | Naturalized |
Bromus carinatus (Under Bromus sitchensis var. carinatus) | | Synonym |
Bromus carinatus var. marginatus (Under Bromus sitchensis var. marginatus) | | Synonym |
Bromus carinatus var. maritimus (Under Bromus sitchensis var. maritimus) | | Synonym |
Bromus caroli-henrici | | Naturalized |
Bromus catharticus | | Naturalized |
Bromus catharticus var. catharticus | RESCUE GRASS | Naturalized |
Bromus catharticus var. elatus | CHILEAN BROME | Naturalized |
Bromus cebadilla (Under Bromus catharticus var. elatus) | | Synonym |
Bromus ciliatus | FRINGED BROME | Native |
Bromus ciliatus var. richardsonii (Under Bromus richardsonii) | | Synonym |
Bromus commutatus | HAIRY CHESS, MEADOW BROME | Naturalized |
Bromus diandrus | RIPGUT GRASS | Naturalized |
Bromus diandrus var. rigidus (Under Bromus diandrus) | | Synonym |
Bromus grandis | TALL BROME | Native |
Bromus hallii | HALL'S BROME | Native |
Bromus hordeaceus | SOFT CHESS | Naturalized |
Bromus hordeaceus subsp. divaricatus (Under Bromus hordeaceus) | | Synonym |
Bromus hordeaceus subsp. molliformis (Under Bromus hordeaceus) | | Synonym |
Bromus hordeaceus subsp. thominei (Under Bromus hordeaceus) | | Synonym |
Bromus inermis | SMOOTH BROME, HUNGARIAN BROME | Naturalized |
Bromus japonicus | JAPANESE CHESS, JAPANESE BROME | Naturalized |
Bromus laevipes | CHINOOK BROME, WOODLAND BROME | Native |
Bromus luzonensis (Under Bromus sitchensis var. marginatus) | | Synonym |
Bromus madritensis | FOXTAIL CHESS, MADRID BROME | Naturalized |
Bromus madritensis subsp. rubens (Under Bromus rubens) | | Synonym |
Bromus marginatus (Under Bromus sitchensis var. marginatus) | | Synonym |
Bromus marginatus subsp. maritimus (Under Bromus sitchensis var. maritimus) | | Synonym |
Bromus maritimus (Under Bromus sitchensis var. maritimus) | | Synonym |
Bromus molliformis (Under Bromus hordeaceus) | | Synonym |
Bromus mollis (Under Bromus hordeaceus) | | Synonym |
Bromus orcuttianus | ORCUTT'S BROME | Native |
Bromus orcuttianus var. hallii (Under Bromus hallii) | | Synonym |
Bromus orcuttianus var. hallii (Under Bromus orcuttianus) | | Synonym |
Bromus polyanthus var. paniculatus (Under Bromus sitchensis var. polyanthus) | | Synonym |
Bromus porteri | NODDING BROME | Native |
Bromus porteri var. assimilis (Under Bromus grandis) | | Synonym |
Bromus pseudolaevipes | WOODLAND BROME | Native |
Bromus racemosus | SMOOTH BROME | Naturalized |
Bromus richardsonii | RICHARDSON'S BROME | Native |
Bromus rigidus (Under Bromus diandrus) | | Synonym |
Bromus rubens | RED BROME | Naturalized |
Bromus secalinus | RYE BROME | Naturalized |
Bromus sitchensis | | Native |
Bromus sitchensis var. carinatus | CALIFORNIA BROME | Native |
Bromus sitchensis var. marginatus | MOUNTAIN BROME | Native |
Bromus sitchensis var. maritimus | MARITIME BROME | Native |
Bromus sitchensis var. polyanthus | GREAT BASIN BROME, COLORADO BROME | Native |
Bromus sitchensis var. sitchensis | SITKA BROME, ALASKA BROME | Native |
Bromus squarrosus var. squarrosus | CORN BROME | Naturalized |
Bromus stamineus (Under Bromus catharticus var. elatus) | | Synonym |
Bromus sterilis | POVERTY BROME | Naturalized |
Bromus subvelutinus (Under Bromus sitchensis var. marginatus) | | Synonym |
Bromus suksdorfii | SUKSDORF'S BROME | Native |
Bromus tectorum | CHEAT GRASS, DOWNY CHESS | Naturalized |
Bromus tectorum var. glabratus (Under Bromus tectorum) | | Synonym |
Bromus trinii var. excelsus (Under Bromus arizonicus) | | Synonym |
Bromus trinii var. trinii (Under Bromus berteroanus) | | Synonym |
Bromus vulgaris | COLUMBIA BROME | Native |
Buddleja ↳ Key to Buddleja | BUTTERFLY BUSH | |
Buddleja davidii | BUTTERFLY BUSH, SUMMER LILAC | Naturalized |
Buddleja saligna | FALSE OLIVE | Naturalized |
Buddleja utahensis | PANAMINT BUTTERFLY BUSH | Native |
Buglossoides arvensis (Under Lithospermum arvense) | | Synonym |
Bulbine | | |
Bulbine semibarbata | LEEK LILY | Waif |
Bulbostylis | | |
Bulbostylis californica (Under Brickellia californica) | | Synonym |
Bulbostylis capillaris | THREAD-LEAVED BEAKSEED | Native |
Bulbostylis microphylla (Under Brickellia microphylla var. microphylla) | | Synonym |
Bursera | ELEPHANT TREE, TOROTE, COPAL | |
Bursera microphylla | LITTLELEAF ELEPHANT TREE | Native |
Burseraceae | TORCHWOOD FAMILY | |
Buxus chinensis (Under Simmondsia chinensis) | | Synonym |
Cabomba | FANWORT | |
Cabomba caroliniana | | Naturalized |
Cabomba peltata (Under Brasenia schreberi) | | Synonym |
Cabombaceae ↳ Key to Cabombaceae | WATERSHIELD FAMILY | |
Cacaliopsis | | |
Cacaliopsis nardosmia | | Native |
Cactaceae ↳ Key to Cactaceae | CACTUS FAMILY | |
Caesalpinia ↳ Key to Caesalpinia | | |
Caesalpinia gilliesii | BIRD-OF-PARADISE | Naturalized |
Caesalpinia spinosa | TARA | Naturalized |
Caesalpinia virgata (Under Hoffmannseggia microphylla) | | Synonym |
Cakile ↳ Key to Cakile | SEA ROCKET | |
Cakile edentula | | Naturalized |
Cakile edentula subsp. californica (Under Cakile edentula) | | Synonym |
Cakile maritima | | Naturalized |
Calamagrostis ↳ Key to Calamagrostis | REED GRASS | |
Calamagrostis bolanderi | BOLANDER'S REED GRASS | Native |
Calamagrostis breweri | SHORT HAIR REED GRASS | Native |
Calamagrostis canadensis | | Native |
Calamagrostis canadensis var. canadensis | BLUEJOINT REED GRASS | Native |
Calamagrostis canadensis var. langsdorffii | | Native |
Calamagrostis canadensis var. scabra (Under Calamagrostis canadensis var. langsdorffii) | | Synonym |
Calamagrostis crassiglumis (Under Calamagrostis stricta subsp. inexpansa) | | Synonym |
Calamagrostis densa (Under Calamagrostis koelerioides) | | Synonym |
Calamagrostis foliosa | LEAFY REED GRASS | Native |
Calamagrostis inexpansa (Under Calamagrostis stricta subsp. inexpansa) | | Synonym |
Calamagrostis koelerioides | DENSE-PINE REED GRASS | Native |
Calamagrostis muiriana | MUIR'S REED GRASS | Native |
Calamagrostis nutkaensis | PACIFIC REED GRASS | Native |
Calamagrostis ophitidis | SERPENTINE REED GRASS | Native |
Calamagrostis purpurascens | PURPLE REED GRASS | Native |
Calamagrostis rubescens | PINE REED GRASS | Native |
Calamagrostis stricta | SLIPSTEM REED GRASS | Native |
Calamagrostis stricta subsp. inexpansa | | Native |
Calamagrostis stricta subsp. stricta | | Native |
Calamagrostis sylvatica var. longifolia (Under Calamagrostis foliosa) | | Synonym |
Calamintha chandleri (Under Clinopodium chandleri) | | Synonym |
Calandrinia ↳ Key to Calandrinia | | |
Calandrinia ambigua (Under Cistanthe ambigua) | | Synonym |
Calandrinia breweri | BREWER'S CALANDRINIA | Native |
Calandrinia grayi (Under Lewisia pygmaea) | | Synonym |
Calandrinia howellii (Under Lewisia cotyledon var. howellii) | | Synonym |
Calandrinia leeana (Under Lewisia leeana) | | Synonym |
Calandrinia maritima (Under Cistanthe maritima) | | Synonym |
Calandrinia menziesii | RED MAIDS | Native |
Calandrinia menziesii var. macrocarpa (Under Calandrinia breweri) | | Synonym |
Calandrinia nevadensis (Under Lewisia nevadensis) | | Synonym |
Calandrinia oppositifolia (Under Lewisia oppositifolia) | | Synonym |
Calandrinia pygmaea (Under Lewisia pygmaea) | | Illegitimate name |
Calendula ↳ Key to Calendula | | |
Calendula arvensis | FIELD-MARIGOLD | Naturalized |
Calendula fruticosa (Under Dimorphotheca fruticosa) | | Synonym |
Calendula officinalis | POT-MARIGOLD | Naturalized |
Calia | | |
Calia secundiflora | TEXAS MOUNTAIN LAUREL | Waif |
Calibrachoa parviflora (Under Petunia parviflora) | | Synonym |
California | CALIFORNIA FILAREE | |
California macrophylla | ROUND-LEAVED FILAREE | Native |
Calliandra | FAIRY-DUSTER | |
Calliandra eriophylla | PINK FAIRY-DUSTER | Native |
Calligonum canescens (Under Atriplex canescens) | | Synonym |
Calliprora anilina (Under Triteleia ixioides subsp. anilina) | | Synonym |
Calliprora aurantea (Under Triteleia ixioides subsp. scabra) | | Synonym |
Calliprora ixioides var. lugens (Under Triteleia lugens) | | Synonym |
Calliprora lugens (Under Triteleia lugens) | | Synonym |
Calliprora lutea (Under Triteleia ixioides subsp. ixioides) | | Synonym |
Calliprora scabra (Under Triteleia ixioides subsp. scabra) | | Synonym |
Calliprora scabra var. anilina (Under Triteleia ixioides subsp. anilina) | | Synonym |
Calliscirpus ↳ Key to Calliscirpus | COTTON GRASS | |
Calliscirpus brachythrix | | Native |
Calliscirpus criniger | | Native |
Callistemon viminalis (Under Melaleuca viminalis) | | Synonym |
Callitriche ↳ Key to Callitriche | WATER-STARWORT | |
Callitriche fassettii | | Native |
Callitriche hermaphroditica (Under Callitriche fassettii) | | Misapplied name |
Callitriche heterophylla | | Native |
Callitriche heterophylla subsp. bolanderi (Under Callitriche heterophylla var. bolanderi) | | Synonym |
Callitriche heterophylla var. bolanderi | | Native |
Callitriche heterophylla var. heterophylla | | Native |
Callitriche longipedunculata | | Native |
Callitriche marginata | | Native |
Callitriche palustris | | Native |
Callitriche stagnalis | | Naturalized |
Callitriche trochlearis | | Native |
Callitriche verna (Under Callitriche palustris) | | Synonym |
Callitropsis | NOOTKA CYPRESS | |
Callitropsis abramsiana (Under Hesperocyparis abramsiana) | | Synonym |
Callitropsis arizonica (Under Hesperocyparis stephensonii) | | Misapplied name |
Callitropsis bakeri (Under Hesperocyparis bakeri) | | Synonym |
Callitropsis forbesii (Under Hesperocyparis forbesii) | | Synonym |
Callitropsis goveniana (Under Hesperocyparis goveniana) | | Synonym |
Callitropsis macnabiana (Under Hesperocyparis macnabiana) | | Synonym |
Callitropsis macrocarpa (Under Hesperocyparis macrocarpa) | | Synonym |
Callitropsis nevadensis (Under Hesperocyparis nevadensis) | | Synonym |
Callitropsis nootkatensis | ALASKA CEDAR | Native |
Callitropsis nootkatensis (Under Callitropsis nootkatensis) | | Invalid name |
Callitropsis nootkatensis (Under Callitropsis nootkatensis) | | Invalid name |
Callitropsis pygmaea (Under Hesperocyparis pigmaea) | | Orthographic variant |
Callitropsis sargentii (Under Hesperocyparis sargentii) | | Synonym |
Callitropsis stephensonii (Under Hesperocyparis stephensonii) | | Synonym |
Calocedrus | INCENSE CEDAR | |
Calocedrus decurrens | | Native |
Calochortus ↳ Key to Calochortus | | |
Calochortus albus | WHITE GLOBE LILY, FAIRY-LANTERN | Native |
Calochortus amabilis | DIOGENES' LANTERN | Native |
Calochortus amoenus | | Native |
Calochortus argillosus | CLAY MARIPOSA LILY | Native |
Calochortus bruneaunis | | Native |
Calochortus catalinae | CATALINA MARIPOSA LILY | Native |
Calochortus clavatus | | Native |
Calochortus clavatus subsp. clavatus (Under Calochortus clavatus var. clavatus) | | Synonym |
Calochortus clavatus subsp. pallidus (Under Calochortus clavatus var. pallidus) | | Synonym |
Calochortus clavatus subsp. recurvifolius (Under Calochortus clavatus var. recurvifolius) | | Synonym |
Calochortus clavatus var. avius | PLEASANT VALLEY MARIPOSA LILY | Native |
Calochortus clavatus var. clavatus | CLUB-HAIRED MARIPOSA LILY | Native |
Calochortus clavatus var. gracilis | SLENDER MARIPOSA LILY | Native |
Calochortus clavatus var. pallidus | | Native |
Calochortus clavatus var. recurvifolius | ARROYO DE LA CRUZ MARIPOSA LILY | Native |
Calochortus coeruleus | BEAVERTAIL-GRASS | Native |
Calochortus coeruleus var. fimbriatus (Under Calochortus coeruleus) | | Synonym |
Calochortus coeruleus var. westonii (Under Calochortus westonii) | | Synonym |
Calochortus concolor | | Native |
Calochortus davidsonianus (Under Calochortus splendens) | | Synonym |
Calochortus dunnii | DUNN'S MARIPOSA LILY | Native |
Calochortus elegans | CAT'S EAR | Native |
Calochortus elegans var. nanus (Under Calochortus elegans) | | Synonym |
Calochortus excavatus | INYO COUNTY STAR-TULIP | Native |
Calochortus fimbriatus | | Native |
Calochortus flexuosus | | Native |
Calochortus greenei | GREENE'S MARIPOSA LILY | Native |
Calochortus invenustus | | Native |
Calochortus kennedyi | | Native |
Calochortus kennedyi var. kennedyi | | Native |
Calochortus kennedyi var. munzii | | Native |
Calochortus leichtlinii | | Native |
Calochortus longebarbatus var. longebarbatus | LONG-HAIRED STAR-TULIP | Native |
Calochortus luteus | | Native |
Calochortus macrocarpus | | Native |
Calochortus minimus | | Native |
Calochortus monanthus | SINGLE-FLOWERED MARIPOSA LILY | Native |
Calochortus monophyllus | YELLOW STAR-TULIP | Native |
Calochortus nudus | | Native |
Calochortus nudus var. shastensis (Under Calochortus nudus) | | Synonym |
Calochortus nuttallii var. bruneaunis (Under Calochortus bruneaunis) | | Synonym |
Calochortus nuttallii var. panamintensis (Under Calochortus panamintensis) | | Synonym |
Calochortus obispoensis | SAN LUIS MARIPOSA LILY | Native |
Calochortus palmeri | | Native |
Calochortus palmeri var. munzii | SAN JACINTO MARIPOSA LILY | Native |
Calochortus palmeri var. palmeri | PALMER'S MARIPOSA LILY | Native |
Calochortus panamintensis | PANAMINT MARIPOSA LILY | Native |
Calochortus persistens | SISKIYOU MARIPOSA LILY | Native |
Calochortus plummerae | PLUMMER'S MARIPOSA LILY | Native |
Calochortus pulchellus | MOUNT DIABLO FAIRY-LANTERN | Native |
Calochortus raichei | THE CEDARS FAIRY-LANTERN | Native |
Calochortus simulans | LA PANZA MARIPOSA LILY | Native |
Calochortus splendens | | Native |
Calochortus striatus | ALKALI MARIPOSA LILY | Native |
Calochortus superbus | | Native |
Calochortus syntrophus | CALLAHAN'S MARIPOSA LILY | Native |
Calochortus tiburonensis | TIBURON MARIPOSA LILY | Native |
Calochortus tolmiei | PUSSY EARS | Native |
Calochortus umbellatus | OAKLAND STAR-TULIP | Native |
Calochortus uniflorus | PINK STAR-TULIP | Native |
Calochortus venustus | | Native |
Calochortus venustus var. purpurescens (Under Calochortus venustus) | | Synonym |
Calochortus vestae | | Native |
Calochortus weedii | | Native |
Calochortus weedii var. intermedius | INTERMEDIATE MARIPOSA LILY | Native |
Calochortus weedii var. vestus (Under Calochortus fimbriatus) | | Synonym |
Calochortus weedii var. weedii | | Native |
Calochortus westonii | SHIRLEY MEADOWS STAR-TULIP | Native |
Caltha ↳ Key to Caltha | MARSH MARIGOLD | |
Caltha leptosepala | | Native |
Caltha leptosepala subsp. howellii (Under Caltha leptosepala) | | Synonym |
Caltha leptosepala var. biflora (Under Caltha leptosepala) | | Synonym |
Caltha palustris | | Naturalized |
Calycadenia ↳ Key to Calycadenia | | |
Calycadenia ciliosa (Under Calycadenia fremontii) | | Synonym |
Calycadenia elegans (Under Calycadenia fremontii) | | Synonym |
Calycadenia fremontii | | Native |
Calycadenia hispida (Under Calycadenia multiglandulosa) | | Synonym |
Calycadenia hispida subsp. reducta (Under Calycadenia multiglandulosa) | | Synonym |
Calycadenia hooveri | HOOVER'S CALYCADENIA | Native |
Calycadenia micrantha | SMALL-FLOWERED CALYCADENIA | Native |
Calycadenia mollis | | Native |
Calycadenia multiglandulosa | | Native |
Calycadenia multiglandulosa subsp. bicolor (Under Calycadenia multiglandulosa) | | Synonym |
Calycadenia multiglandulosa subsp. cephalotes (Under Calycadenia multiglandulosa) | | Synonym |
Calycadenia multiglandulosa subsp. robusta (Under Calycadenia multiglandulosa) | | Synonym |
Calycadenia oppositifolia | BUTTE COUNTY CALYCADENIA | Native |
Calycadenia pauciflora | | Native |
Calycadenia spicata | | Native |
Calycadenia tenella (Under Osmadenia tenella) | | Synonym |
Calycadenia truncata | ROSIN WEED | Native |
Calycadenia truncata subsp. microcephala (Under Calycadenia micrantha) | | Synonym, in part |
Calycadenia truncata subsp. scabrella (Under Calycadenia truncata) | | Synonym |
Calycadenia villosa | DWARF CALYCADENIA | Native |
Calycanthaceae | SWEET-SHRUB or CALYCANTHUS FAMILY | |
Calycanthus | | |
Calycanthus occidentalis | SWEET-SHRUB, SPICEBUSH | Native |
Calycoseris ↳ Key to Calycoseris | TACK-STEM | |
Calycoseris parryi | YELLOW TACK-STEM | Native |
Calycoseris wrightii | WHITE TACK-STEM | Native |
Calypso | FAIRY SLIPPER | |
Calypso bulbosa var. occidentalis | | Native |
Calyptridium ↳ Key to Calyptridium | PUSSYPAWS | |
Calyptridium arizonicum | | Native |
Calyptridium monandrum | | Native |
Calyptridium monospermum | | Native |
Calyptridium parryi | | Native |
Calyptridium parryi var. arizonicum (Under Calyptridium arizonicum) | | Synonym |
Calyptridium parryi var. hesseae | SANTA CRUZ MOUNTAINS PUSSYPAWS | Native |
Calyptridium parryi var. nevadense | | Native |
Calyptridium parryi var. parryi | | Native |
Calyptridium pulchellum | MARIPOSA PUSSYPAWS | Native |
Calyptridium pygmaeum | PYGMY PUSSYPAWS | Native |
Calyptridium quadripetalum | FOUR-PETALED PUSSYPAWS | Native |
Calyptridium roseum | ROSY CALYPTRIDIUM | Native |
Calyptridium umbellatum | | Native |
Calyptridium umbellatum var. caudiciferum (Under Calyptridium umbellatum) | | Synonym |
Calyptridium umbellatum var. umbellatum (Under Calyptridium umbellatum) | | Synonym |
Calystegia ↳ Key to Calystegia | MORNING-GLORY | |
Calystegia atriplicifolia subsp. buttensis | BUTTE COUNTY MORNING-GLORY | Native |
Calystegia collina | | Native |
Calystegia collina subsp. collina | | Native |
Calystegia collina subsp. oxyphylla | MOUNT SAINT HELENA MORNING-GLORY | Native |
Calystegia collina subsp. tridactylosa | THREE-FINGERED MORNING-GLORY | Native |
Calystegia collina subsp. venusta | SOUTH COAST RANGE MORNING-GLORY | Native |
Calystegia longipes | | Native |
Calystegia macrostegia | | Native |
Calystegia macrostegia subsp. amplissima | ISLAND MORNING-GLORY | Native |
Calystegia macrostegia subsp. arida | | Native |
Calystegia macrostegia subsp. cyclostegia | | Native |
Calystegia macrostegia subsp. intermedia | | Native |
Calystegia macrostegia subsp. macrostegia | | Native |
Calystegia macrostegia subsp. tenuifolia | | Native |
Calystegia malacophylla | | Native |
Calystegia malacophylla subsp. malacophylla | | Native |
Calystegia malacophylla subsp. pedicellata | | Native |
Calystegia occidentalis | | Native |
Calystegia occidentalis subsp. fulcrata | | Native |
Calystegia occidentalis subsp. occidentalis | | Native |
Calystegia peirsonii | PEIRSON'S MORNING-GLORY | Native |
Calystegia purpurata | | Native |
Calystegia purpurata subsp. purpurata | | Native |
Calystegia purpurata subsp. saxicola | COASTAL BLUFF MORNING-GLORY | Native |
Calystegia sepium | HEDGE BINDWEED | Native |
Calystegia sepium subsp. binghamiae | SANTA BARBARA MORNING-GLORY | Native |
Calystegia sepium subsp. limnophila | | Native |
Calystegia silvatica subsp. disjuncta | LARGE BINDWEED | Naturalized |
Calystegia soldanella | | Native |
Calystegia stebbinsii | STEBBINS' MORNING-GLORY | Native |
Calystegia subacaulis | | Native |
Calystegia subacaulis subsp. episcopalis | CAMBRIA MORNING-GLORY | Native |
Calystegia subacaulis subsp. subacaulis | | Native |
Camassia ↳ Key to Camassia | CAMAS, QUAMASH | |
Camassia leichtlinii subsp. suksdorfii | | Native |
Camassia quamash subsp. breviflora | | Native |
Camassia quamash subsp. linearis (Under Camassia quamash subsp. breviflora) | | Synonym |
Camassia quamash subsp. quamash (Under Camassia leichtlinii subsp. suksdorfii) | | Misapplied name |
Camelina | FALSE FLAX | |
Camelina microcarpa | | Naturalized |
Camissonia ↳ Key to Camissonia | SUN CUP | |
Camissonia andina (Under Neoholmgrenia andina) | | Synonym |
Camissonia arenaria (Under Chylismia arenaria) | | Synonym |
Camissonia benitensis | SAN BENITO EVENING-PRIMROSE | Native |
Camissonia bistorta (Under Camissoniopsis bistorta) | | Synonym |
Camissonia boothii (Under Eremothera boothii) | | Synonym |
Camissonia boothii subsp. alyssoides (Under Eremothera boothii subsp. alyssoides) | | Synonym |
Camissonia boothii subsp. boothii (Under Eremothera boothii subsp. boothii) | | Synonym |
Camissonia boothii subsp. condensata (Under Eremothera boothii subsp. condensata) | | Synonym |
Camissonia boothii subsp. decorticans (Under Eremothera boothii subsp. decorticans) | | Synonym |
Camissonia boothii subsp. desertorum (Under Eremothera boothii subsp. desertorum) | | Synonym |
Camissonia boothii subsp. intermedia (Under Eremothera boothii subsp. intermedia) | | Synonym |
Camissonia brevipes (Under Chylismia brevipes) | | Synonym |
Camissonia brevipes subsp. arizonica (Under Chylismia brevipes subsp. arizonica) | | Synonym |
Camissonia brevipes subsp. brevipes (Under Chylismia brevipes subsp. brevipes) | | Synonym |
Camissonia brevipes subsp. pallidula (Under Chylismia brevipes subsp. pallidula) | | Synonym |
Camissonia californica (Under Eulobus californicus) | | Synonym |
Camissonia campestris | | Native |
Camissonia campestris subsp. campestris | | Native |
Camissonia campestris subsp. obispoensis | | Native |
Camissonia cardiophylla (Under Chylismia cardiophylla) | | Synonym |
Camissonia cardiophylla subsp. robusta (Under Chylismia cardiophylla subsp. robusta) | | Synonym |
Camissonia chamaenerioides (Under Eremothera chamaenerioides) | | Synonym |
Camissonia cheiranthifolia (Under Camissoniopsis cheiranthifolia) | | Synonym |
Camissonia cheiranthifolia subsp. suffruticosa (Under Camissoniopsis cheiranthifolia subsp. suffruticosa) | | Synonym |
Camissonia claviformis (Under Chylismia claviformis) | | Synonym |
Camissonia claviformis subsp. aurantiaca (Under Chylismia claviformis subsp. aurantiaca) | | Synonym |
Camissonia claviformis subsp. cruciformis (Under Chylismia claviformis subsp. cruciformis) | | Synonym |
Camissonia claviformis subsp. funerea (Under Chylismia claviformis subsp. funerea) | | Synonym |
Camissonia claviformis subsp. integrior (Under Chylismia claviformis subsp. integrior) | | Synonym |
Camissonia claviformis subsp. lancifolia (Under Chylismia claviformis subsp. lancifolia) | | Synonym |
Camissonia claviformis subsp. peirsonii (Under Chylismia claviformis subsp. peirsonii) | | Synonym |
Camissonia claviformis subsp. yumae (Under Chylismia claviformis subsp. yumae) | | Synonym |
Camissonia confusa (Under Camissoniopsis confusa) | | Synonym |
Camissonia contorta | | Native |
Camissonia graciliflora (Under Tetrapteron graciliflorum) | | Synonym |
Camissonia guadalupensis subsp. clementina (Under Camissoniopsis guadalupensis subsp. clementina) | | Synonym |
Camissonia hardhamiae (Under Camissoniopsis hardhamiae) | | Synonym |
Camissonia heterochroma (Under Chylismia heterochroma) | | Synonym |
Camissonia hirtella (Under Camissoniopsis hirtella) | | Synonym |
Camissonia ignota (Under Camissoniopsis ignota) | | Synonym |
Camissonia integrifolia | KERN RIVER EVENING-PRIMROSE | Native |
Camissonia intermedia (Under Camissoniopsis intermedia) | | Synonym |
Camissonia kernensis | | Native |
Camissonia kernensis subsp. gilmanii | | Native |
Camissonia kernensis subsp. kernensis | KERN COUNTY EVENING-PRIMROSE | Native |
Camissonia lacustris | | Native |
Camissonia lewisii (Under Camissoniopsis lewisii) | | Synonym |
Camissonia luciae (Under Camissoniopsis luciae) | | Synonym |
Camissonia micrantha (Under Camissoniopsis micrantha) | | Synonym |
Camissonia minor (Under Eremothera minor) | | Synonym |
Camissonia munzii (Under Chylismia munzii) | | Synonym |
Camissonia ovata (Under Taraxia ovata) | | Synonym |
Camissonia pallida (Under Camissoniopsis pallida) | | Synonym |
Camissonia pallida subsp. hallii (Under Camissoniopsis pallida subsp. hallii) | | Synonym |
Camissonia pallida subsp. pallida (Under Camissoniopsis pallida subsp. pallida) | | Synonym |
Camissonia palmeri (Under Tetrapteron palmeri) | | Synonym |
Camissonia parvula | | Native |
Camissonia pterosperma (Under Chylismiella pterosperma) | | Synonym |
Camissonia pubens | | Native |
Camissonia pusilla | | Native |
Camissonia refracta (Under Eremothera refracta) | | Synonym |
Camissonia robusta (Under Camissoniopsis robusta) | | Synonym |
Camissonia sierrae | | Native |
Camissonia sierrae subsp. alticola | MONO HOT SPRINGS EVENING-PRIMROSE | Native |
Camissonia sierrae subsp. sierrae | YOSEMITE EVENING-PRIMROSE | Native |
Camissonia strigulosa | | Native |
Camissonia subacaulis (Under Taraxia subacaulis) | | Synonym |
Camissonia tanacetifolia (Under Taraxia tanacetifolia) | | Synonym |
Camissonia tanacetifolia subsp. quadriperforata (Under Taraxia tanacetifolia) | | Synonym |
Camissonia walkeri subsp. tortilis (Under Chylismia walkeri subsp. tortilis) | | Synonym |
Camissoniopsis ↳ Key to Camissoniopsis | | |
Camissoniopsis bistorta | CALIFORNIA SUN CUP | Native |
Camissoniopsis cheiranthifolia | BEACH EVENING-PRIMROSE | Native |
Camissoniopsis cheiranthifolia subsp. cheiranthifolia | | Native |
Camissoniopsis cheiranthifolia subsp. suffruticosa | | Native |
Camissoniopsis confusa | | Native |
Camissoniopsis guadalupensis subsp. clementina | SAN CLEMENTE ISLAND EVENING-PRIMROSE | Native |
Camissoniopsis hardhamiae | HARDHAM'S EVENING-PRIMROSE | Native |
Camissoniopsis hirtella | | Native |
Camissoniopsis ignota | | Native |
Camissoniopsis intermedia | | Native |
Camissoniopsis lewisii | LEWIS' EVENING-PRIMROSE | Native |
Camissoniopsis luciae | | Native |
Camissoniopsis micrantha | | Native |
Camissoniopsis pallida | | Native |
Camissoniopsis pallida subsp. hallii | | Native |
Camissoniopsis pallida subsp. pallida | | Native |
Camissoniopsis robusta | | Native |
Campanula ↳ Key to Campanula | HAREBELL | |
Campanula angustiflora | | Native |
Campanula angustiflora var. exilis (Under Campanula griffinii) | | Synonym |
Campanula californica | SWAMP HAREBELL | Native |
Campanula exigua | CHAPARRAL HAREBELL | Native |
Campanula griffinii | | Native |
Campanula prenanthoides (Under Asyneuma prenanthoides) | | Synonym |
Campanula rotundifolia | | Native |
Campanula scabrella | ROUGH HAREBELL | Native |
Campanula scouleri | SCOULER'S HAREBELL | Native |
Campanula sharsmithiae | SHARSMITH'S HAREBELL | Native |
Campanula shetleri | CASTLE CRAGS HAREBELL | Native |
Campanula wilkinsiana | WILKINS' HAREBELL | Native |
Campanulaceae ↳ Key to Campanulaceae | BELLFLOWER FAMILY | |
Campsis | TRUMPET-CREEPER | |
Campsis radicans | | Waif |
Canbya | | |
Canbya candida | WHITE PYGMY-POPPY | Native |
Cannabaceae ↳ Key to Cannabaceae | HEMP FAMILY | |
Cannabis | HEMP | |
Cannabis indica (Under Cannabis sativa) | | Synonym |
Cannabis sativa | HEMP, MARIJUANA | Naturalized |
Cantua pungens (Under Linanthus pungens) | | Synonym |
Capnorea californica (Under Hesperochiron nanus) | | Synonym |
Capnorea campanulata (Under Hesperochiron pumilus) | | Synonym |
Capnorea ciliata (Under Hesperochiron pumilus) | | Synonym |
Capnorea fulcrata (Under Hesperochiron pumilus) | | Synonym |
Capnorea hirtella (Under Hesperochiron pumilus) | | Synonym |
Capnorea incanus (Under Hesperochiron nanus) | | Synonym |
Capnorea lasiantha (Under Hesperochiron nanus) | | Synonym |
Capnorea macilenta (Under Hesperochiron nanus) | | Synonym |
Capnorea nana (Under Hesperochiron nanus) | | Synonym |
Capnorea nervosa (Under Hesperochiron pumilus) | | Synonym |
Capnorea pumila (Under Hesperochiron pumilus) | | Synonym |
Capnorea strigosa (Under Hesperochiron nanus) | | Synonym |
Capnorea villosula (Under Hesperochiron pumilus) | | Synonym |
Capnorea watsoniana (Under Hesperochiron nanus) | | Synonym |
Caprifoliaceae ↳ Key to Caprifoliaceae | HONEYSUCKLE FAMILY | |
Capsella | SHEPHERD'S PURSE | |
Capsella bursa-pastoris | | Naturalized |
Cardamine ↳ Key to Cardamine | BITTER-CRESS | |
Cardamine angulata | | Native |
Cardamine bellidifolia | | Native |
Cardamine bellidifolia var. pachyphylla (Under Cardamine bellidifolia) | | Synonym |
Cardamine breweri | | Native |
Cardamine breweri var. breweri (Under Cardamine breweri) | | Synonym |
Cardamine breweri var. orbicularis (Under Cardamine breweri) | | Synonym |
Cardamine californica | MILK MAIDS, TOOTH WORT | Native |
Cardamine californica var. californica (Under Cardamine californica) | | Synonym |
Cardamine californica var. cardiophylla (Under Cardamine californica) | | Synonym |
Cardamine californica var. cuneata (Under Cardamine californica) | | Synonym |
Cardamine californica var. integrifolia (Under Cardamine californica) | | Synonym |
Cardamine californica var. sinuata (Under Cardamine californica) | | Synonym |
Cardamine cordifolia | | Native |
Cardamine cordifolia var. lyallii (Under Cardamine cordifolia) | | Synonym |
Cardamine gambelii (Under Nasturtium gambelii) | | Synonym |
Cardamine gemmata (Under Cardamine nuttallii) | | Synonym |
Cardamine hirsuta | | Naturalized |
Cardamine lyallii (Under Cardamine cordifolia) | | Synonym |
Cardamine nuttallii | | Native |
Cardamine nuttallii var. covilleana (Under Cardamine nuttallii) | | Synonym |
Cardamine nuttallii var. dissecta (Under Cardamine nuttallii) | | Synonym |
Cardamine nuttallii var. gemmata (Under Cardamine nuttallii) | | Synonym |
Cardamine nuttallii var. nuttallii (Under Cardamine nuttallii) | | Synonym |
Cardamine occidentalis | | Native |
Cardamine oligosperma | | Native |
Cardamine pachystigma | | Native |
Cardamine pachystigma var. dissectifolia (Under Cardamine californica) | | Synonym |
Cardamine pensylvanica | | Native |
Cardamine pulcherrima var. tenella (Under Cardamine nuttallii) | | Synonym |
Cardamine tenella var. dissecta (Under Cardamine nuttallii) | | Synonym |
Cardaria chalepensis (Under Lepidium chalepense) | | Synonym |
Cardaria draba (Under Lepidium draba) | | Synonym |
Cardaria draba subsp. chalepensis (Under Lepidium chalepense) | | Synonym |
Cardaria pubescens (Under Lepidium appelianum) | | Synonym |
Cardaria pubescens var. elongata (Under Lepidium appelianum) | | Synonym |
Cardionema | | |
Cardionema ramosissimum | SANDMAT | Native |
Carduus ↳ Key to Carduus | | |
Carduus acanthoides subsp. acanthoides | PLUMELESS THISTLE | Naturalized |
Carduus nutans | MUSK THISTLE | Naturalized |
Carduus nutans var. leiophyllus (Under Carduus nutans) | | Synonym |
Carduus pycnocephalus subsp. pycnocephalus | ITALIAN THISTLE | Naturalized |
Carduus tenuiflorus | | Naturalized |
Carex ↳ Key to Carex | SEDGE | |
Carex ablata (Under Carex luzulina) | | Synonym |
Carex abrupta | ABRUPT-BEAKED SEDGE | Native |
Carex albida (Under Carex lemmonii) | | Synonym |
Carex alma | STURDY SEDGE | Native |
Carex amplectens (Under Carex fracta) | | Synonym |
Carex amplifolia | BIG-LEAF SEDGE | Native |
Carex angustata | NARROW-LEAVED SEDGE | Native |
Carex angustior (Under Carex echinata subsp. echinata) | | Synonym |
Carex aquatilis | | Native |
Carex aquatilis var. aquatilis | WATER SEDGE | Native |
Carex aquatilis var. dives | SITKA SEDGE | Native |
Carex arcta | NORTHERN CLUSTERED SEDGE | Native |
Carex atherodes | WHEAT SEDGE | Native |
Carex athrostachya | LONG-BRACTED SEDGE | Native |
Carex aurea | GOLDEN SEDGE | Native |
Carex aurea var. androgyna (Under Carex hassei) | | Synonym |
Carex barbarae | WHITEROOT or SANTA BARBARA SEDGE | Native |
Carex bella (Under Carex heteroneura) | | Misapplied name |
Carex bifida (Under Carex serratodens) | | Illegitimate name |
Carex bolanderi | BOLANDER'S SEDGE | Native |
Carex brainerdii | BRAINERD'S SEDGE | Native |
Carex brevicaulis | SHORT-STEMMED SEDGE | Native |
Carex breviligulata (Under Carex densa) | | Synonym |
Carex brevipes (Under Carex deflexa var. boottii) | | Synonym |
Carex breweri | BREWER'S SEDGE | Native |
Carex brunnescens (Under Carex laeviculmis) | | Misapplied name |
Carex buxbaumii | BUXBAUM'S SEDGE | Native |
Carex californica | CALIFORNIA SEDGE | Native |
Carex canescens subsp. canescens | SILVERY SEDGE | Native |
Carex capitata | CAPITATE SEDGE | Native |
Carex capitata subsp. arctogena (Under Carex capitata) | | Synonym |
Carex capitata subsp. capitata (Under Carex capitata) | | Synonym |
Carex comosa | BRISTLY SEDGE | Native |
Carex concinnoides | NORTHWESTERN SEDGE | Native |
Carex congdonii | CONGDON'S SEDGE | Native |
Carex constanceana (Under Carex davyi) | | Synonym |
Carex cusickii | CUSICK'S SEDGE | Native |
Carex cyrtostachya | ARCHING SEDGE | Native |
Carex danaensis (Under Carex incurviformis) | | Synonym |
Carex davyi | DAVY'S SEDGE | Native |
Carex deflexa var. boottii | MOUNTAIN MAT SEDGE | Native |
Carex densa | DENSE SEDGE | Native |
Carex deweyana subsp. leptopoda (Under Carex leptopoda) | | Synonym |
Carex diandra | LESSER TUSSOCK SEDGE | Native |
Carex disperma | TWO-SEEDED SEDGE | Native |
Carex divulsa subsp. divulsa | GRAY SEDGE | Naturalized |
Carex douglasii | DOUGLAS' SEDGE | Native |
Carex dudleyi (Under Carex densa) | | Synonym |
Carex duriuscula | SPIKELETRUSH SEDGE | Native |
Carex eastwoodiana (Under Carex tahoensis) | | Synonym |
Carex echinata | | Native |
Carex echinata subsp. echinata | STAR SEDGE | Native |
Carex echinata subsp. phyllomanica | COASTAL STAR SEDGE | Native |
Carex eleocharis (Under Carex duriuscula) | | Synonym |
Carex epapillosa (Under Carex heteroneura) | | Synonym |
Carex eurycarpa (Under Carex angustata) | | Synonym |
Carex exserta (Under Carex filifolia var. erostrata) | | Synonym |
Carex exsiccata | WESTERN INFLATED SEDGE | Native |
Carex festivella (Under Carex microptera) | | Synonym |
Carex feta | GREEN-SHEATHED SEDGE | Native |
Carex filifolia | | Native |
Carex filifolia var. erostrata | SAGEBRUSH SEDGE | Native |
Carex filifolia var. filifolia | THREAD-LEAVED SEDGE | Native |
Carex fissuricola | CLEFT SEDGE | Native |
Carex fracta | FRAGILE-SHEATHED SEDGE | Native |
Carex garberi (Under Carex hassei) | | Misapplied name |
Carex geophila (Under Carex rossii) | | Misapplied name |
Carex geyeri | GEYER'S SEDGE | Native |
Carex gigas (Under Carex scabriuscula) | | Synonym |
Carex globosa | ROUND-FRUITED SEDGE | Native |
Carex gracilior | SLENDER SEDGE | Native |
Carex gymnoclada (Under Carex scopulorum var. bracteosa) | | Synonym |
Carex gynodynama | WONDER-WOMAN SEDGE | Native |
Carex halliana | OREGON SEDGE | Native |
Carex harfordii | HARFORD'S SEDGE, MONTEREY SEDGE | Native |
Carex hassei | HASSE'S SEDGE | Native |
Carex haydeniana | CLOUD or HAYDEN'S SEDGE | Native |
Carex helleri | HELLER'S SEDGE | Native |
Carex hendersonii | TIMBER or HENDERSON'S SEDGE | Native |
Carex heteroneura | SMOOTH-FRUITED SEDGE | Native |
Carex heteroneura var. epapillosa (Under Carex heteroneura) | | Synonym |
Carex heteroneura var. heteroneura (Under Carex heteroneura) | | Synonym |
Carex hindsii (Under Carex lenticularis var. limnophila) | | Synonym |
Carex hirtissima | FUZZY SEDGE | Native |
Carex hoodii | HOOD'S SEDGE | Native |
Carex hystericina | PORCUPINE SEDGE | Native |
Carex hystricina (Under Carex hystericina) | | Orthographic variant |
Carex idahoa | IDAHO SEDGE | Native |
Carex illota | SHEEP SEDGE | Native |
Carex incurviformis | MOUNT DANA or INCURVED SEDGE | Native |
Carex incurviformis var. danaensis (Under Carex incurviformis) | | Synonym |
Carex incurviformis var. incurviformis (Under Carex incurviformis) | | Synonym |
Carex infirminervia | WEAKLY VEINED SEDGE | Native |
Carex inflata (Under Carex vesicaria) | | Misapplied name |
Carex inops subsp. inops | VOLCANO or LONG-RHIZOMED SEDGE | Native |
Carex integra | SMOOTH-BEAKED SEDGE | Native |
Carex interior | INLAND SEDGE | Native |
Carex inversa | KANGAROO or KNOB SEDGE | Naturalized |
Carex jepsonii (Under Carex whitneyi) | | Synonym |
Carex jonesii | JONES' SEDGE | Native |
Carex kelloggii (Under Carex lenticularis var. lipocarpa) | | Synonym |
Carex klamathensis | KLAMATH SEDGE | Native |
Carex laeviculmis | SMOOTH-STEMMED SEDGE | Native |
Carex lanuginosa (Under Carex pellita) | | Misapplied name |
Carex lasiocarpa | WOOLLY-FRUITED SEDGE | Native |
Carex leavenworthii | LEAVENWORTH SEDGE | Urban weed |
Carex lemmonii | LEMMON'S SEDGE | Native |
Carex lenticularis | | Native |
Carex lenticularis var. impressa | TARN SEDGE | Native |
Carex lenticularis var. limnophila | LAGOON SEDGE | Native |
Carex lenticularis var. lipocarpa | LAKESHORE SEDGE | Native |
Carex leporina | HARE or OVAL SEDGE | Native |
Carex leporinella | BOG HARE SEDGE | Native |
Carex leptalea | BRISTLE-STALKED SEDGE | Native |
Carex leptopoda | SLENDER-FOOTED SEDGE | Native |
Carex liddonii (Under Carex petasata) | | Synonym |
Carex limosa | MUD SEDGE | Native |
Carex livida | LIVID SEDGE | Native |
Carex longii | GREEN-AND-WHITE SEDGE | Naturalized |
Carex luzulifolia | LITTLE-LEAVED SEDGE | Native |
Carex luzulina | WOODRUSH SEDGE | Native |
Carex luzulina var. ablata (Under Carex luzulina) | | Synonym |
Carex luzulina var. atropurpurea (Under Carex luzulina) | | Synonym |
Carex luzulina var. luzulina (Under Carex luzulina) | | Synonym |
Carex lyngbyei | LYNGBYE'S SEDGE | Native |
Carex macloviana subsp. pachystachya (Under Carex pachystachya) | | Synonym |
Carex mariposana | MARIPOSA SEDGE | Native |
Carex mendocinensis | MENDOCINO SEDGE | Native |
Carex mertensii | MERTENS' SEDGE | Native |
Carex micropoda (Under Carex subnigricans) | | Misapplied name |
Carex microptera | SMALL-WINGED SEDGE | Native |
Carex microstachys (Under Carex leptalea) | | Synonym |
Carex montereyensis (Under Carex harfordii) | | Synonym |
Carex multicaulis | STICK SEDGE | Native |
Carex multicostata | MANY-RIBBED SEDGE | Native |
Carex nebrascensis | NEBRASKA SEDGE | Native |
Carex nervina | SIERRA SEDGE | Native |
Carex neurophora | VEINED or ALPINE NERVED SEDGE | Native |
Carex nigricans | BLACK ALPINE SEDGE | Native |
Carex norvegica (Under Carex stevenii) | | Misapplied name |
Carex novae-angliae var. rossii (Under Carex rossii) | | Synonym |
Carex nubicola (Under Carex haydeniana) | | Synonym |
Carex nudata | TORRENT SEDGE | Native |
Carex obispoensis | SAN LUIS OBISPO SEDGE | Native |
Carex obnupta | SLOUGH SEDGE | Native |
Carex occidentalis | WESTERN SEDGE | Native |
Carex oederi (Under Carex viridula subsp. viridula) | | Synonym |
Carex olympica (Under Carex pachystachya) | | Synonym |
Carex oregonensis (Under Carex halliana) | | Superfluous name |
Carex orestera | BOULDER SEDGE | Native |
Carex ormantha (Under Carex echinata subsp. echinata) | | Synonym |
Carex ovalis (Under Carex leporina) | | Synonym |
Carex oxycarpa (Under Carex angustata) | | Synonym |
Carex pachycarpa | FURROWED BROOMSEDGE | Native |
Carex pachystachya | STARRY BROOMSEDGE | Native |
Carex pachystachya var. gracilis (Under Carex pachystachya) | | Synonym |
Carex pansa | SAND DUNE SEDGE | Native |
Carex parryana subsp. idahoa (Under Carex idahoa) | | Synonym |
Carex parryana var. hallii (Under Carex idahoa) | | Misapplied name |
Carex paucicostata (Under Carex lenticularis var. impressa) | | Synonym |
Carex paucifructus (Under Carex mariposana) | | Synonym |
Carex pellita | WOOLLY SEDGE | Native |
Carex pendula | PENDULOUS SEDGE | Naturalized |
Carex pensylvanica var. vespertina (Under Carex inops subsp. inops) | | Synonym |
Carex petasata | LIDDON'S SEDGE | Native |
Carex phaeocephala | DUNHEAD or ALPINE HARE SEDGE | Native |
Carex phaeocephala f. eastwoodiana (Under Carex tahoensis) | | Synonym |
Carex phyllomanica (Under Carex echinata subsp. phyllomanica) | | Synonym |
Carex piperi (Under Carex praticola) | | Synonym |
Carex polytrichoides (Under Carex leptalea) | | Synonym |
Carex praeceptorum | TEACHER SEDGE | Native |
Carex praegracilis | BLACK CREEPER or FREEWAY SEDGE | Native |
Carex praticola | NORTHERN MEADOW SEDGE | Native |
Carex preslii | PRESL'S SEDGE | Native |
Carex proposita | POTATO CHIP SEDGE | Native |
Carex pseudoscirpoidea (Under Carex scirpoidea subsp. pseudoscirpoidea) | | Synonym |
Carex pyrenaica (Under Carex subnigricans) | | Misapplied name |
Carex raynoldsii | RAYNOLD'S SEDGE | Native |
Carex retroflexa var. texensis (Under Carex texensis) | | Synonym |
Carex rossii | ROSS' SEDGE | Native |
Carex rostrata (Under Carex utriculata) | | Misapplied name |
Carex saliniformis | DECEIVING SEDGE | Native |
Carex sartwelliana | SARTWELL'S or YOSEMITE SEDGE | Native |
Carex scabriuscula | SISKIYOU SEDGE | Native |
Carex schottii | SCHOTT'S SEDGE | Native |
Carex scirpoidea subsp. pseudoscirpoidea | WESTERN SINGLE-SPIKED SEDGE | Native |
Carex scirpoidea var. pseudoscirpoidea (Under Carex scirpoidea subsp. pseudoscirpoidea) | | Synonym |
Carex scoparia var. scoparia | POINTED BROOMSEDGE | Native |
Carex scopulorum var. bracteosa | MOUNTAIN SEDGE | Native |
Carex senta | WESTERN ROUGH SEDGE | Native |
Carex serpenticola | SERPENTINE SEDGE | Native |
Carex serratodens | SAW-TOOTHED SEDGE | Native |
Carex sheldonii | SHELDON'S SEDGE | Native |
Carex simulata | SHORT-BEAKED or ANALOG SEDGE | Native |
Carex sitchensis (Under Carex aquatilis var. dives) | | Synonym |
Carex sonomensis (Under Carex lemmonii) | | Synonym |
Carex specifica | NARROW-FRUITED SEDGE | Native |
Carex spectabilis | SHOWY SEDGE | Native |
Carex spissa | SAN DIEGO SEDGE | Native |
Carex stevenii | STEVEN'S SEDGE | Native |
Carex stipata var. stipata | AWL-FRUITED SEDGE | Native |
Carex straminiformis | MOUNT SHASTA SEDGE | Native |
Carex subbracteata | SMALL-BRACTED SEDGE | Native |
Carex subfusca | RUSTY or PALE BROOMSEDGE | Native |
Carex subnigricans | DARK MOUNTAIN SEDGE | Native |
Carex tahoensis | TAHOE SEDGE | Native |
Carex teneriformis (Under Carex subfusca) | | Synonym |
Carex texensis | TEXAS SEDGE | Naturalized |
Carex tiogana | TIOGA PASS SEDGE | Native |
Carex tompkinsii | TOMPKINS' SEDGE | Native |
Carex tracyi (Under Carex leporina) | | Synonym |
Carex triquetra | TRIGONOUS SEDGE | Native |
Carex tumulicola | FOOTHILL SEDGE | Native |
Carex unilateralis | ONE-SIDED SEDGE | Native |
Carex utriculata | SOUTHERN BEAKED SEDGE | Native |
Carex vallicola | WESTERN VALLEY SEDGE | Native |
Carex vernacula | FOETID SEDGE | Native |
Carex vesicaria | INFLATED SEDGE | Native |
Carex vesicaria var. major (Under Carex exsiccata) | | Synonym |
Carex vicaria (Under Carex densa) | | Synonym |
Carex viridula subsp. viridula | GREEN YELLOW SEDGE | Native |
Carex viridula var. viridula (Under Carex viridula subsp. viridula) | | Synonym |
Carex vulpinoidea | BROWN FOX SEDGE | Naturalized |
Carex whitneyi | WHITNEY'S SEDGE | Native |
Carex xerophila | CHAPARRAL SEDGE | Native |
Carex yosemitana (Under Carex sartwelliana) | | Synonym |
Carlowrightia | | |
Carlowrightia arizonica | ARIZONA CARLOWRIGHTIA, ARIZONA WRIGHTWORT | Native |
Carlquistia | | |
Carlquistia muirii | MUIR'S TARPLANT | Native |
Carnegiea | SAGUARO | |
Carnegiea gigantea | | Native |
Caroxylon vermiculatum (Under Salsola damascena) | | Synonym, in part |
Carpenteria | | |
Carpenteria californica | TREE-ANEMONE | Native |
Carpobrotus ↳ Key to Carpobrotus | | |
Carpobrotus chilensis | SEA FIG | Naturalized |
Carpobrotus edulis | FREEWAY ICEPLANT | Naturalized |
Carrichtera | | |
Carrichtera annua | | Waif |
Carsonia sparsifolia (Under Cleomella sparsifolia) | | Synonym |
Carthamus ↳ Key to Carthamus | DISTAFF THISTLE | |
Carthamus baeticus (Under Carthamus creticus) | | Synonym |
Carthamus creticus | SMOOTH DISTAFF THISTLE | Naturalized |
Carthamus lanatus | WOOLLY DISTAFF THISTLE | Naturalized |
Carthamus lanatus subsp. baeticus (Under Carthamus creticus) | | Synonym |
Carthamus lanatus subsp. lanatus (Under Carthamus lanatus) | | Synonym |
Carthamus leucocaulos | WHITESTEM DISTAFF THISTLE | Extirpated alien |
Carthamus tinctorius | SAFFLOWER | Waif |
Carum lemmonii (Under Perideridia lemmonii) | | Synonym |
Carya | HICKORY | |
Carya illinoinensis | PECAN | Naturalized |
Caryophyllaceae ↳ Key to Caryophyllaceae | PINK FAMILY | |
Cascadia | | |
Cascadia nuttallii | | Native |
Cassia armata (Under Senna armata) | | Synonym |
Cassia artemisioides (Under Senna artemisioides) | | Synonym |
Cassia covesii (Under Senna covesii) | | Synonym |
Cassia didymobotrya (Under Senna didymobotrya) | | Synonym |
Cassia eremophila (Under Senna artemisioides) | | Synonym |
Cassia marilandica (Under Senna marilandica) | | Synonym |
Cassia tomentosa (Under Senna multiglandulosa) | | Synonym |
Cassiope | MOSS HEATHER | |
Cassiope mertensiana | WHITE HEATHER | Native |
Castanea chrysophylla (Under Chrysolepis chrysophylla var. chrysophylla) | | Synonym |
Castanopsis chrysophylla var. chrysophylla (Under Chrysolepis chrysophylla var. chrysophylla) | | Synonym |
Castanopsis chrysophylla var. minor (Under Chrysolepis chrysophylla var. minor) | | Synonym |
Castanopsis sempervirens (Under Chrysolepis sempervirens) | | Synonym |
Castela | | |
Castela emoryi | EMORY'S CRUCIFIXION-THORN | Native |
Castilleja ↳ Key to Castilleja | PAINTBRUSH, OWL'S-CLOVER | |
Castilleja affinis | | Native |
Castilleja affinis subsp. affinis | | Native |
Castilleja affinis subsp. litoralis | OREGON COAST PAINTBRUSH | Native |
Castilleja affinis subsp. neglecta | TIBURON PAINTBRUSH | Native |
Castilleja ambigua | JOHNNY-NIP | Native |
Castilleja ambigua subsp. ambigua | | Native |
Castilleja ambigua subsp. humboldtiensis | HUMBOLDT BAY OWL'S-CLOVER | Native |
Castilleja ambigua subsp. insalutata | | Native |
Castilleja angustifolia (Under Castilleja chromosa) | | Misapplied name |
Castilleja applegatei | | Native |
Castilleja applegatei subsp. disticha | | Native |
Castilleja applegatei subsp. martinii | | Native |
Castilleja applegatei subsp. pallida | | Native |
Castilleja applegatei subsp. pinetorum | | Native |
Castilleja arachnoidea | | Native |
Castilleja arachnoidea subsp. schizotricha (Under Castilleja schizotricha) | | Synonym |
Castilleja arachnoidea subsp. shastensis (Under Castilleja arachnoidea) | | Synonym |
Castilleja attenuata | VALLEY TASSELS | Native |
Castilleja brevilobata | SHORT-LOBED PAINTBRUSH | Native |
Castilleja brevistyla | | Native |
Castilleja breweri (Under Castilleja applegatei subsp. pallida) | | Synonym |
Castilleja breweri var. pallida (Under Castilleja applegatei subsp. pallida) | | Synonym |
Castilleja campestris | | Native |
Castilleja campestris subsp. campestris | | Native |
Castilleja campestris subsp. succulenta | SUCCULENT OWL'S-CLOVER | Native |
Castilleja chromosa | DESERT PAINTBRUSH | Native |
Castilleja cinerea | ASH-GRAY PAINTBRUSH | Native |
Castilleja culbertsonii (Under Castilleja lemmonii) | | Synonym |
Castilleja densiflora | | Native |
Castilleja densiflora subsp. densiflora | | Native |
Castilleja densiflora subsp. gracilis | | Native |
Castilleja densiflora subsp. obispoensis | SAN LUIS OBISPO OWL'S-CLOVER | Native |
Castilleja disticha (Under Castilleja applegatei subsp. disticha) | | Synonym |
Castilleja elata (Under Castilleja miniata subsp. elata) | | Synonym |
Castilleja exilis (Under Castilleja minor subsp. minor) | | Synonym |
Castilleja exserta | PURPLE OWL'S-CLOVER | Native |
Castilleja exserta subsp. exserta | | Native |
Castilleja exserta subsp. latifolia | | Native |
Castilleja exserta subsp. venusta | | Native |
Castilleja foliolosa | WOOLLY PAINTBRUSH | Native |
Castilleja franciscana (Under Castilleja subinclusa subsp. franciscana) | | Synonym |
Castilleja gleasoni | MOUNT GLEASON PAINTBRUSH | Native |
Castilleja grisea | SAN CLEMENTE ISLAND PAINTBRUSH | Native |
Castilleja hispida subsp. brevilobata (Under Castilleja brevilobata) | | Synonym |
Castilleja hololeuca | ISLAND PAINTBRUSH | Native |
Castilleja hololeuca subsp. grisea (Under Castilleja grisea) | | Synonym |
Castilleja jepsonii (Under Castilleja subinclusa subsp. subinclusa) | | Synonym |
Castilleja lacera | | Native |
Castilleja lanata subsp. hololeuca (Under Castilleja hololeuca) | | Synonym |
Castilleja lasiorhyncha | SAN BERNARDINO MOUNTAINS OWL'S-CLOVER | Native |
Castilleja latifolia | MONTEREY COAST PAINTBRUSH | Native |
Castilleja latifolia subsp. mendocinensis (Under Castilleja mendocinensis) | | Synonym |
Castilleja lemmonii | | Native |
Castilleja linariifolia | | Native |
Castilleja lineariloba | | Native |
Castilleja litoralis (Under Castilleja affinis subsp. litoralis) | | Synonym |
Castilleja martinii (Under Castilleja applegatei subsp. martinii) | | Synonym |
Castilleja martinii var. clokeyi (Under Castilleja applegatei subsp. martinii) | | Synonym |
Castilleja mendocinensis | MENDOCINO COAST PAINTBRUSH | Native |
Castilleja miniata | | Native |
Castilleja miniata subsp. elata | SISKIYOU PAINTBRUSH | Native |
Castilleja miniata subsp. miniata | | Native |
Castilleja minor | | Native |
Castilleja minor subsp. minor | | Native |
Castilleja minor subsp. spiralis | | Native |
Castilleja mollis | SOFT-LEAVED PAINTBRUSH | Native |
Castilleja montigena | HECKARD'S PAINTBRUSH | Native |
Castilleja nana | | Native |
Castilleja neglecta (Under Castilleja affinis subsp. neglecta) | | Synonym |
Castilleja oblongifolia (Under Castilleja miniata subsp. miniata) | | Synonym |
Castilleja parviflora (Under Castilleja peirsonii) | | Misapplied name |
Castilleja peirsonii | | Native |
Castilleja pilosa | | Native |
Castilleja pilosa subsp. jusselii (Under Castilleja pilosa) | | Synonym |
Castilleja plagiotoma | MOJAVE PAINTBRUSH | Native |
Castilleja praeterita | | Native |
Castilleja pruinosa | | Native |
Castilleja pruinosa (Under Castilleja gleasoni) | | Misapplied name, in part |
Castilleja psittacina (Under Castilleja pilosa) | | Synonym |
Castilleja roseana (Under Castilleja applegatei subsp. martinii) | | Synonym |
Castilleja rubicundula | CREAM SACS | Native |
Castilleja rubicundula subsp. lithospermoides | | Native |
Castilleja rubicundula subsp. rubicundula | PINK CREAMSACS | Native |
Castilleja schizotricha | SPLIT-HAIR PAINTBRUSH | Native |
Castilleja stenantha (Under Castilleja minor subsp. spiralis) | | Synonym |
Castilleja stenantha subsp. spiralis (Under Castilleja minor subsp. spiralis) | | Synonym |
Castilleja subinclusa | | Native |
Castilleja subinclusa subsp. franciscana | | Native |
Castilleja subinclusa subsp. subinclusa | | Native |
Castilleja succulenta (Under Castilleja campestris subsp. succulenta) | | Synonym |
Castilleja tenuis | | Native |
Castilleja wightii | | Native |
Catalpa ↳ Key to Catalpa | SOUTHERN CATALPA | |
Catalpa bignonioides | | Naturalized |
Catalpa speciosa | | Naturalized |
Catharanthus | | |
Catharanthus roseus | MADAGASCAR PERIWINKLE | Waif |
Caucalis microcarpa (Under Yabea microcarpa) | | Synonym |
Caulanthus ↳ Key to Caulanthus | JEWELFLOWER | |
Caulanthus amplexicaulis | | Native |
Caulanthus amplexicaulis var. amplexicaulis (Under Caulanthus amplexicaulis) | | Synonym |
Caulanthus amplexicaulis var. barbarae (Under Caulanthus amplexicaulis) | | Synonym |
Caulanthus anceps | | Native |
Caulanthus californicus | CALIFORNIA JEWELFLOWER | Native |
Caulanthus cooperi | | Native |
Caulanthus coulteri | | Native |
Caulanthus coulteri var. lemmonii (Under Caulanthus lemmonii) | | Synonym |
Caulanthus crassicaulis | THICK-STEM WILD CABBAGE | Native |
Caulanthus crassicaulis var. crassicaulis (Under Caulanthus crassicaulis) | | Synonym |
Caulanthus crassicaulis var. glaber (Under Caulanthus crassicaulis) | | Synonym |
Caulanthus flavescens | | Native |
Caulanthus glaber (Under Caulanthus crassicaulis) | | Synonym |
Caulanthus glaucus | | Native |
Caulanthus hallii | | Native |
Caulanthus heterophyllus | | Native |
Caulanthus heterophyllus var. pseudosimulans (Under Caulanthus heterophyllus) | | Synonym ined. |
Caulanthus inflatus | DESERT CANDLE | Native |
Caulanthus lasiophyllus | CALIFORNIA MUSTARD | Native |
Caulanthus lasiophyllus var. inalienus (Under Caulanthus lasiophyllus) | | Synonym |
Caulanthus lasiophyllus var. rigidus (Under Caulanthus lasiophyllus) | | Synonym |
Caulanthus lasiophyllus var. utahensis (Under Caulanthus lasiophyllus) | | Synonym |
Caulanthus lemmonii | LEMMON'S JEWELFLOWER | Native |
Caulanthus major | | Native |
Caulanthus major var. major (Under Caulanthus major) | | Synonym |
Caulanthus major var. nevadensis (Under Caulanthus major) | | Synonym |
Caulanthus pilosus | CHOCOLATE DROPS | Native |
Caulanthus simulans | PAYSON'S JEWELFLOWER | Native |
Caulanthus stenocarpus (Under Caulanthus heterophyllus) | | Synonym |
Caulostramina jaegeri (Under Hesperidanthus jaegeri) | | Synonym |
Ceanothus ↳ Key to Ceanothus | CALIFORNIA-LILAC | |
Ceanothus ×otayensis (Under Ceanothus otayensis) | | Synonym |
Ceanothus andersonii (Under Ceanothus integerrimus var. integerrimus) | | Synonym |
Ceanothus arboreus | FELTLEAF CEANOTHUS | Native |
Ceanothus arboreus var. arboreus (Under Ceanothus arboreus) | | Synonym |
Ceanothus arboreus var. glaber (Under Ceanothus arboreus) | | Synonym |
Ceanothus arboreus var. glabra (Under Ceanothus arboreus) | | Superfluous name |
Ceanothus arcuatus | ARCHING CEANOTHUS | Native |
Ceanothus confusus | RINCON RIDGE CEANOTHUS | Native |
Ceanothus cordulatus | MOUNTAIN WHITETHORN | Native |
Ceanothus crassifolius | HOARYLEAF CEANOTHUS | Native |
Ceanothus crassifolius var. crassifolius | | Native |
Ceanothus crassifolius var. planus | | Native |
Ceanothus cuneatus | | Native |
Ceanothus cuneatus var. cuneatus | BUCKBRUSH | Native |
Ceanothus cuneatus var. dubius (Under Ceanothus cuneatus var. cuneatus) | | Synonym |
Ceanothus cuneatus var. fascicularis | LOMPOC CEANOTHUS | Native |
Ceanothus cuneatus var. ramulosus | | Native |
Ceanothus cuneatus var. rigidus (Under Ceanothus rigidus) | | Synonym |
Ceanothus cuneatus var. submontanus (Under Ceanothus cuneatus var. cuneatus) | | Synonym |
Ceanothus cyaneus | LAKESIDE CEANOTHUS | Native |
Ceanothus decornutus | NICASIO CEANOTHUS | Native |
Ceanothus dentatus | | Native |
Ceanothus divaricatus var. laetiflorus (Under Ceanothus leucodermis) | | Synonym |
Ceanothus divergens | CALISTOGA CEANOTHUS | Native |
Ceanothus divergens subsp. confusus (Under Ceanothus confusus) | | Synonym |
Ceanothus diversifolius | PINE MAT | Native |
Ceanothus ferrisae (Under Ceanothus ferrisiae) | | Orthographic variant |
Ceanothus ferrisiae | COYOTE CEANOTHUS | Native |
Ceanothus floribundus (Under Ceanothus dentatus) | | Synonym |
Ceanothus foliosus | | Native |
Ceanothus foliosus var. foliosus | WAVYLEAF CEANOTHUS | Native |
Ceanothus foliosus var. medius | LA CUESTA CEANOTHUS | Native |
Ceanothus foliosus var. viejasensis | VIEJAS MOUNTAIN CEANOTHUS | Native |
Ceanothus foliosus var. vineatus | VINE HILL CEANOTHUS | Native |
Ceanothus fresnensis | FRESNO CEANOTHUS | Native |
Ceanothus gloriosus | | Native |
Ceanothus gloriosus var. exaltatus | GLORY BRUSH | Native |
Ceanothus gloriosus var. gloriosus | POINT REYES CEANOTHUS | Native |
Ceanothus gloriosus var. porrectus | MOUNT VISION CEANOTHUS | Native |
Ceanothus greggii var. perplexans (Under Ceanothus perplexans) | | Synonym |
Ceanothus greggii var. vestitus (Under Ceanothus pauciflorus) | | Synonym |
Ceanothus griseus (Under Ceanothus thyrsiflorus var. griseus) | | Synonym |
Ceanothus hearstiorum | HEARSTS' CEANOTHUS | Native |
Ceanothus impressus | | Native |
Ceanothus impressus var. impressus | | Native |
Ceanothus impressus var. nipomensis | | Native |
Ceanothus incanus | COAST WHITETHORN | Native |
Ceanothus insularis (Under Ceanothus megacarpus var. insularis) | | Synonym |
Ceanothus integerrimus | DEER BRUSH | Native |
Ceanothus integerrimus var. californicus (Under Ceanothus integerrimus var. macrothyrsus) | | Synonym |
Ceanothus integerrimus var. integerrimus | | Native |
Ceanothus integerrimus var. macrothyrsus | | Native |
Ceanothus integerrimus var. peduncularis (Under Ceanothus integerrimus var. macrothyrsus) | | Synonym |
Ceanothus integerrimus var. puberulus (Under Ceanothus integerrimus var. macrothyrsus) | | Synonym |
Ceanothus jepsonii | MUSK BRUSH | Native |
Ceanothus jepsonii var. albiflorus (Under Ceanothus jepsonii) | | Synonym |
Ceanothus jepsonii var. jepsonii (Under Ceanothus jepsonii) | | Synonym |
Ceanothus lemmonii | | Native |
Ceanothus leucodermis | CHAPARRAL WHITETHORN | Native |
Ceanothus maritimus | MARITIME CEANOTHUS | Native |
Ceanothus masonii | MASON'S CEANOTHUS | Native |
Ceanothus megacarpus | | Native |
Ceanothus megacarpus var. insularis | ISLAND CEANOTHUS | Native |
Ceanothus megacarpus var. megacarpus | BIGPOD CEANOTHUS | Native |
Ceanothus megacarpus var. pendulus (Under Ceanothus megacarpus var. megacarpus) | | Synonym |
Ceanothus oliganthus | | Native |
Ceanothus oliganthus var. oliganthus | | Native |
Ceanothus oliganthus var. orcuttii | | Native |
Ceanothus oliganthus var. sorediatus | JIM BRUSH | Native |
Ceanothus ophiochilus | VAIL LAKE CEANOTHUS | Native |
Ceanothus otayensis | OTAY MOUNTAIN CEANOTHUS | Native |
Ceanothus palmeri | PALMER CEANOTHUS | Native |
Ceanothus papillosus | WARTLEAF CEANOTHUS | Native |
Ceanothus parryi | | Native |
Ceanothus parvifolius | | Native |
Ceanothus pauciflorus | MOJAVE CEANOTHUS | Native |
Ceanothus pendletonensis | CAMP PENDLETON CEANOTHUS | Native |
Ceanothus perplexans | | Native |
Ceanothus pinetorum | KERN CEANOTHUS | Native |
Ceanothus prostratus | | Native |
Ceanothus prostratus var. laxus (Under Ceanothus prostratus var. prostratus) | | Synonym |
Ceanothus prostratus var. occidentalis | | Native |
Ceanothus prostratus var. profugus (Under Ceanothus pumilus) | | Synonym |
Ceanothus prostratus var. prostratus | MAHALA MAT | Native |
Ceanothus pumilus | SISKIYOU MAT | Native |
Ceanothus purpureus | HOLLY-LEAVED CEANOTHUS | Native |
Ceanothus ramulosus var. fascicularis (Under Ceanothus cuneatus var. fascicularis) | | Synonym |
Ceanothus rigidus | | Native |
Ceanothus roderickii | PINE HILL CEANOTHUS | Native |
Ceanothus sanguineus | REDSTEM CEANOTHUS | Native |
Ceanothus sonomensis | SONOMA CEANOTHUS | Native |
Ceanothus sorediatus (Under Ceanothus oliganthus var. sorediatus) | | Synonym |
Ceanothus spinosus | GREENBARK CEANOTHUS | Native |
Ceanothus thyrsiflorus | | Native |
Ceanothus thyrsiflorus var. chandleri (Under Ceanothus thyrsiflorus var. thyrsiflorus) | | Synonym |
Ceanothus thyrsiflorus var. griseus | CARMEL CEANOTHUS | Native |
Ceanothus thyrsiflorus var. obispoensis | HOLLISTER PEAK CEANOTHUS | Native |
Ceanothus thyrsiflorus var. repens (Under Ceanothus thyrsiflorus var. thyrsiflorus) | | Synonym |
Ceanothus thyrsiflorus var. thyrsiflorus | BLUE BLOSSOM | Native |
Ceanothus tomentosus | | Native |
Ceanothus tomentosus var. olivaceus (Under Ceanothus tomentosus) | | Synonym |
Ceanothus tomentosus var. tomentosus (Under Ceanothus tomentosus) | | Synonym |
Ceanothus velutinus | snowbrush | Native |
Ceanothus velutinus var. hookeri (Under Ceanothus velutinus) | | Superfluous name |
Ceanothus velutinus var. laevigatus (Under Ceanothus velutinus) | | Synonym |
Ceanothus velutinus var. velutinus (Under Ceanothus velutinus) | | Synonym |
Ceanothus verrucosus | WART-STEMMED CEANOTHUS | Native |
Ceanothus vestitus (Under Ceanothus pauciflorus) | | Synonym |
Celastraceae ↳ Key to Celastraceae | STAFF-TREE FAMILY | |
Celtis ↳ Key to Celtis | HACKBERRY | |
Celtis australis | NETTLE-TREE | Naturalized |
Celtis reticulata | NETLEAF HACKBERRY | Native |
Celtis sinensis | CHINESE HACKBERRY | Naturalized |
Cenchrus ↳ Key to Cenchrus | SANDBUR | |
Cenchrus ciliaris (Under Pennisetum ciliare) | | Synonym |
Cenchrus echinatus | SOUTHERN SANDBUR | Naturalized |
Cenchrus longispinus | MAT SANDBUR | Naturalized |
Cenchrus pauciflorus (Under Cenchrus spinifex) | | Synonym |
Cenchrus spinifex | COASTAL SANDBUR, COMMON SANDBUR | Naturalized |
Centaurea ↳ Key to Centaurea | KNAPWEED, STAR-THISTLE | |
Centaurea ×moncktonii (Under Centaurea jacea nothosubsp. pratensis) | | Synonym |
Centaurea ×pouzinii (Under Centaurea pouzinii) | | Synonym |
Centaurea ×pratensis (Under Centaurea jacea nothosubsp. pratensis) | | Illegitimate name |
Centaurea australis (Under Centaurea stoebe subsp. australis) | | Synonym |
Centaurea benedicta | BLESSED THISTLE | Naturalized |
Centaurea biebersteinii subsp. australis (Under Centaurea stoebe subsp. australis) | | Synonym |
Centaurea calcitrapa | PURPLE STAR-THISTLE | Naturalized |
Centaurea cineraria | DUSTY MILLER | Naturalized |
Centaurea cyanus | BACHELOR'S BUTTON, CORNFLOWER | Naturalized |
Centaurea diffusa | DIFFUSE KNAPWEED | Naturalized |
Centaurea diluta | NORTH AFRICAN KNAPWEED | Naturalized |
Centaurea iberica | IBERIAN STAR-THISTLE | Naturalized |
Centaurea jacea | | Naturalized |
Centaurea jacea nothosubsp. pratensis | | Naturalized |
Centaurea jacea subsp. jacea | BROWN KNAPWEED | Naturalized |
Centaurea jacea subsp. nigra | BLACK KNAPWEED | Naturalized |
Centaurea maculosa (Under Centaurea stoebe subsp. australis) | | Synonym |
Centaurea maculosa subsp. biebersteinii (Under Centaurea stoebe subsp. australis) | | Synonym |
Centaurea melitensis | TOCALOTE; MALTESE STAR-THISTLE | Naturalized |
Centaurea muricata (Under Volutaria muricata) | | Synonym |
Centaurea nigra (Under Centaurea jacea subsp. nigra) | | Synonym |
Centaurea pouzinii | POUZIN'S STAR-THISTLE | Naturalized |
Centaurea repens (Under Rhaponticum repens) | | Synonym |
Centaurea solstitialis | YELLOW STAR-THISTLE | Naturalized |
Centaurea squarrosa (Under Centaurea virgata subsp. squarrosa) | | Illegitimate name |
Centaurea stoebe subsp. australis | SPOTTED KNAPWEED | Naturalized |
Centaurea stoebe subsp. micranthos (Under Centaurea stoebe subsp. australis) | | Synonym |
Centaurea sublanata subsp. australis (Under Centaurea stoebe subsp. australis) | | Synonym |
Centaurea sulphurea | SICILIAN STAR-THISTLE | Naturalized |
Centaurea virgata subsp. squarrosa | | Naturalized |
Centaurium ↳ Key to Centaurium | CENTAURY | |
Centaurium arizonicum (Under Zeltnera arizonica) | | Synonym |
Centaurium curvistamineum (Under Zeltnera muehlenbergii) | | Synonym |
Centaurium davyi (Under Zeltnera davyi) | | Synonym |
Centaurium erythraea | EUROPEAN CENTAURY | Naturalized |
Centaurium exaltatum (Under Zeltnera exaltata) | | Synonym |
Centaurium exaltatum (Under Zeltnera namophila) | | Misapplied name |
Centaurium exaltatum var. davyi (Under Zeltnera davyi) | | Synonym |
Centaurium floribundum (Under Centaurium tenuiflorum) | | Misapplied name |
Centaurium floribundum (Under Zeltnera muehlenbergii) | | Synonym |
Centaurium muehlenbergii (Under Centaurium tenuiflorum) | | Misapplied name |
Centaurium muehlenbergii (Under Zeltnera davyi) | | Misapplied name |
Centaurium muehlenbergii (Under Zeltnera muehlenbergii) | | Synonym |
Centaurium namophilum (Under Zeltnera namophila) | | Synonym |
Centaurium pulchellum | LESSER CENTAURY | Waif |
Centaurium tenuiflorum | SLENDER CENTAURY | Naturalized |
Centaurium trichanthum (Under Zeltnera trichantha) | | Synonym |
Centaurium venustum (Under Zeltnera venusta) | | Synonym |
Centaurium venustum subsp. abramsii (Under Zeltnera venusta) | | Synonym |
Centranthus | | |
Centranthus ruber | RED VALERIAN | Naturalized |
Centromadia ↳ Key to Centromadia | SPIKEWEED | |
Centromadia fitchii | | Native |
Centromadia parryi | | Native |
Centromadia parryi subsp. australis | SOUTHERN TARPLANT | Native |
Centromadia parryi subsp. congdonii | CONGDON'S TARPLANT | Native |
Centromadia parryi subsp. parryi | PAPPOSE TARPLANT | Native |
Centromadia parryi subsp. rudis | PARRY'S ROUGH TARPLANT | Native |
Centromadia pungens | | Native |
Centromadia pungens subsp. laevis | SMOOTH TARPLANT | Native |
Centromadia pungens subsp. maritima (Under Centromadia pungens subsp. pungens) | | Synonym |
Centromadia pungens subsp. pungens | COMMON SPIKEWEED | Native |
Centromadia pungens subsp. septentrionalis (Under Centromadia pungens subsp. pungens) | | Synonym |
Centrostegia | | |
Centrostegia insignis (Under Aristocapsa insignis) | | Synonym |
Centrostegia leptoceras (Under Dodecahema leptoceras) | | Synonym |
Centrostegia thurberi | RED TRIANGLES | Native |
Centrostegia thurberi var. macrotheca (Under Centrostegia thurberi) | | Synonym |
Centrostegia vortriedei (Under Systenotheca vortriedei) | | Synonym |
Centunculus minimus (Under Lysimachia minima) | | Synonym |
Cephalanthera | | |
Cephalanthera austiniae | PHANTOM ORCHID | Native |
Cephalanthus | BUTTON BUSH | |
Cephalanthus occidentalis | CALIFORNIA BUTTON WILLOW | Native |
Cephalophora decurrens (Under Helenium puberulum) | | Synonym |
Cerastium ↳ Key to Cerastium | | |
Cerastium arvense subsp. maximum (Under Cerastium viride) | | Synonym |
Cerastium arvense subsp. strictum | FIELD MOUSE-EAR CHICKWEED | Native |
Cerastium arvense var. maximum (Under Cerastium viride) | | Synonym |
Cerastium arvense var. strictum (Under Cerastium arvense subsp. strictum) | | Synonym |
Cerastium beeringianum | BERING MOUSE-EAR CHICKWEED | Native |
Cerastium beeringianum subsp. earlei (Under Cerastium beeringianum) | | Synonym |
Cerastium beeringianum var. capillare (Under Cerastium beeringianum) | | Synonym |
Cerastium dichotomum | FORKED MOUSE-EAR CHICKWEED | Naturalized |
Cerastium diffusum | DARK GREEN MOUSE-EAR CHICKWEED | Waif |
Cerastium fontanum subsp. triviale (Under Cerastium fontanum subsp. vulgare) | | Synonym |
Cerastium fontanum subsp. vulgare | COMMON MOUSE-EAR CHICKWEED | Naturalized |
Cerastium glomeratum | STICKY MOUSE-EAR CHICKWEED | Naturalized |
Cerastium tetrandrum (Under Cerastium diffusum) | | Synonym |
Cerastium viride | WESTERN FIELD MOUSE-EAR CHICKWEED | Native |
Ceratocephala testiculata (Under Ranunculus testiculatus) | | Synonym |
Ceratocephalus testiculatus (Under Ranunculus testiculatus) | | Orthographic variant |
Ceratoides lanata (Under Krascheninnikovia lanata) | | Synonym |
Ceratophyllaceae | HORNWORT FAMILY | |
Ceratophyllum | HORNWORT | |
Ceratophyllum apiculatum (Under Ceratophyllum demersum) | | Synonym |
Ceratophyllum demersum | | Native |
Cercidium floridum (Under Parkinsonia florida) | | Synonym |
Cercidium floridum subsp. floridum (Under Parkinsonia florida) | | Synonym |
Cercidium microphyllum (Under Parkinsonia microphylla) | | Synonym |
Cercis | REDBUD | |
Cercis canadensis var. orbiculata (Under Cercis occidentalis) | | Synonym |
Cercis occidentalis | WESTERN REDBUD | Native |
Cercis orbiculata (Under Cercis occidentalis) | | Synonym |
Cercocarpus ↳ Key to Cercocarpus | MOUNTAIN-MAHOGANY | |
Cercocarpus betuloides | | Native |
Cercocarpus betuloides subsp. blancheae (Under Cercocarpus betuloides var. blancheae) | | Synonym |
Cercocarpus betuloides var. betuloides | BIRCH-LEAF MOUNTAIN-MAHOGANY | Native |
Cercocarpus betuloides var. blancheae | ISLAND MOUNTAIN-MAHOGANY | Native |
Cercocarpus betuloides var. macrourus | | Native |
Cercocarpus betuloides var. traskiae (Under Cercocarpus traskiae) | | Synonym |
Cercocarpus intricatus (Under Cercocarpus ledifolius var. intricatus) | | Synonym |
Cercocarpus ledifolius | CURL-LEAF MOUNTAIN-MAHOGANY | Native |
Cercocarpus ledifolius var. intermontanus | | Native |
Cercocarpus ledifolius var. intricatus | | Native |
Cercocarpus ledifolius var. ledifolius | | Native |
Cercocarpus macrourus (Under Cercocarpus betuloides var. macrourus) | | Synonym |
Cercocarpus minutiflorus | | Native |
Cercocarpus montanus var. minutiflorus (Under Cercocarpus minutiflorus) | | Synonym |
Cercocarpus traskiae | CATALINA ISLAND MOUNTAIN-MAHOGANY | Native |
Cereus emoryi (Under Bergerocactus emoryi) | | Synonym |
Cereus giganteus (Under Carnegiea gigantea) | | Synonym |
Cestrum ↳ Key to Cestrum | | |
Cestrum elegans | | Waif |
Cestrum fasciculatum (Under Cestrum elegans) | | Misapplied name |
Cestrum nocturnum | | Naturalized |
Cestrum parqui | | Waif |
Chaenactis ↳ Key to Chaenactis | PINCUSHION, DUSTY-MAIDENS | |
Chaenactis alpigena | SHARSMITH PINCUSHION | Native |
Chaenactis artemisiifolia | WHITE PINCUSHION | Native |
Chaenactis carphoclinia | PEBBLE PINCUSHION | Native |
Chaenactis carphoclinia var. carphoclinia | | Native |
Chaenactis carphoclinia var. peirsonii | PEIRSON'S PINCUSHION | Native |
Chaenactis douglasii | | Native |
Chaenactis douglasii var. alpina | ALPINE DUSTY-MAIDENS | Native |
Chaenactis douglasii var. douglasii | DUSTY-MAIDENS; FALSE YARROW | Native |
Chaenactis douglasii var. rubricaulis (Under Chaenactis douglasii var. douglasii) | | Synonym |
Chaenactis fremontii | FREMONT PINCUSHION | Native |
Chaenactis gillespiei (Under Chaenactis stevioides) | | Synonym |
Chaenactis glabriuscula | YELLOW PINCUSHION | Native |
Chaenactis glabriuscula var. glabriuscula | | Native |
Chaenactis glabriuscula var. heterocarpha | INNER COAST RANGE PINCUSHION | Native |
Chaenactis glabriuscula var. lanosa | SAND BUTTONS | Native |
Chaenactis glabriuscula var. megacephala | | Native |
Chaenactis glabriuscula var. orcuttiana | ORCUTT'S PINCUSHION | Native |
Chaenactis macrantha | MOJAVE PINCUSHION | Native |
Chaenactis nevadensis | SIERRA PINCUSHION | Native |
Chaenactis parishii | PARISH'S CHAENACTIS | Native |
Chaenactis peirsonii (Under Chaenactis carphoclinia var. peirsonii) | | Synonym |
Chaenactis pumila (Under Chaenactis douglasii var. douglasii) | | Synonym |
Chaenactis rubricaulis (Under Chaenactis douglasii var. douglasii) | | Synonym |
Chaenactis santolinoides | SANTOLINA PINCUSHION | Native |
Chaenactis stevioides | DESERT PINCUSHION | Native |
Chaenactis stevioides var. thornberi (Under Chaenactis stevioides) | | Synonym |
Chaenactis suffrutescens | SHASTA CHAENACTIS; SHASTA PINCUSHION | Native |
Chaenactis tanacetifolia (Under Chaenactis glabriuscula var. heterocarpha) | | Synonym |
Chaenactis tenuifolia var. orcuttiana (Under Chaenactis glabriuscula var. orcuttiana) | | Synonym |
Chaenactis xantiana | FLESHY PINCUSHION | Native |
Chaetadelpha | | |
Chaetadelpha wheeleri | WHEELER'S DUNE-BROOM | Native |
Chaetopappa | | |
Chaetopappa alsinoides (Under Pentachaeta alsinoides) | | Synonym |
Chaetopappa bellidiflora (Under Pentachaeta bellidiflora) | | Synonym |
Chaetopappa ericoides | ROSE-HEATH | Native |
Chaetopappa fragilis (Under Pentachaeta fragilis) | | Synonym |
Chaetopappa lyonii (Under Pentachaeta lyonii) | | Synonym |
Chamaebatia ↳ Key to Chamaebatia | | |
Chamaebatia australis | SOUTHERN MOUNTAIN MISERY | Native |
Chamaebatia foliolosa | MOUNTAIN MISERY | Native |
Chamaebatiaria | | |
Chamaebatiaria millefolium | | Native |
Chamaecyparis | FALSE CYPRESS | |
Chamaecyparis lawsoniana | PORT ORFORD CEDAR, LAWSON CYPRESS | Native |
Chamaecyparis nootkatensis (Under Callitropsis nootkatensis) | | Synonym |
Chamaecytisus proliferus (Under Cytisus proliferus) | | Synonym |
Chamaemelum | | |
Chamaemelum arvense (Under Anthemis arvensis) | | Synonym |
Chamaemelum cotula (Under Anthemis cotula) | | Synonym |
Chamaemelum foetidum (Under Anthemis cotula) | | Synonym |
Chamaemelum fuscatum | CHAMOMILE | Naturalized |
Chamaesaracha ↳ Key to Chamaesaracha | | |
Chamaesaracha coronopus | | Native |
Chamaesaracha nana | | Native |
Chamaesyce abramsiana (Under Euphorbia abramsiana) | | Synonym |
Chamaesyce albomarginata (Under Euphorbia albomarginata) | | Synonym |
Chamaesyce arizonica (Under Euphorbia arizonica) | | Synonym |
Chamaesyce fendleri (Under Euphorbia fendleri) | | Synonym |
Chamaesyce glyptosperma (Under Euphorbia glyptosperma) | | Synonym |
Chamaesyce hooveri (Under Euphorbia hooveri) | | Synonym |
Chamaesyce maculata (Under Euphorbia maculata) | | Synonym |
Chamaesyce melanadenia (Under Euphorbia melanadenia) | | Synonym |
Chamaesyce micromera (Under Euphorbia micromera) | | Synonym |
Chamaesyce nutans (Under Euphorbia nutans) | | Synonym |
Chamaesyce ocellata (Under Euphorbia ocellata) | | Synonym |
Chamaesyce ocellata subsp. arenicola (Under Euphorbia ocellata subsp. arenicola) | | Synonym |
Chamaesyce ocellata subsp. ocellata (Under Euphorbia ocellata subsp. ocellata) | | Synonym |
Chamaesyce ocellata subsp. rattanii (Under Euphorbia ocellata subsp. rattanii) | | Synonym |
Chamaesyce parishii (Under Euphorbia parishii) | | Synonym |
Chamaesyce parryi (Under Euphorbia parryi) | | Synonym |
Chamaesyce pediculifera (Under Euphorbia pediculifera) | | Synonym |
Chamaesyce platysperma (Under Euphorbia platysperma) | | Synonym |
Chamaesyce polycarpa (Under Euphorbia polycarpa) | | Synonym |
Chamaesyce prostrata (Under Euphorbia prostrata) | | Synonym |
Chamaesyce revoluta (Under Euphorbia revoluta) | | Synonym |
Chamaesyce serpens (Under Euphorbia serpens) | | Synonym |
Chamaesyce serpyllifolia (Under Euphorbia serpillifolia) | | Synonym |
Chamaesyce serpyllifolia subsp. hirtula (Under Euphorbia serpillifolia subsp. hirtula) | | Synonym |
Chamaesyce serpyllifolia subsp. serpyllifolia (Under Euphorbia serpillifolia subsp. serpillifolia) | | Synonym |
Chamaesyce setiloba (Under Euphorbia setiloba) | | Synonym |
Chamaesyce vallis-mortae (Under Euphorbia vallis-mortae) | | Synonym |
Chamelaucium | | |
Chamelaucium uncinatum | WAXFLOWER | Waif |
Chamerion ↳ Key to Chamerion | | |
Chamerion angustifolium subsp. circumvagum | FIREWEED | Native |
Chamerion latifolium | | Native |
Chamomilla occidentalis (Under Matricaria occidentalis) | | Synonym |
Chamomilla suaveolens (Under Matricaria discoidea) | | Synonym |
Chasmanthe | | |
Chasmanthe floribunda | | Naturalized |
Cheilanthes carlotta-halliae (Under Aspidotis carlotta-halliae) | | Synonym |
Cheilanthes clevelandii (Under Myriopteris clevelandii) | | Synonym |
Cheilanthes cochisensis (Under Astrolepis cochisensis) | | Synonym |
Cheilanthes cooperae (Under Myriopteris cooperae) | | Synonym |
Cheilanthes covillei (Under Myriopteris covillei) | | Synonym |
Cheilanthes feei (Under Myriopteris gracilis) | | Synonym |
Cheilanthes gracillima (Under Myriopteris gracillima) | | Synonym |
Cheilanthes intertexta (Under Myriopteris intertexta) | | Synonym |
Cheilanthes jonesii (Under Argyrochosma jonesii) | | Synonym |
Cheilanthes limitanea var. limitanea (Under Argyrochosma limitanea subsp. limitanea) | | Synonym |
Cheilanthes newberryi (Under Myriopteris newberryi) | | Synonym |
Cheilanthes parryi (Under Myriopteris parryi) | | Synonym |
Cheilanthes sinuata var. cochisensis (Under Astrolepis cochisensis) | | Synonym |
Cheilanthes viscida (Under Myriopteris viscida) | | Synonym |
Cheilanthes wootonii (Under Myriopteris wootonii) | | Synonym |
Chelone nemorosa (Under Nothochelone nemorosa) | | Synonym |
Chenopodiaceae ↳ Key to Chenopodiaceae | GOOSEFOOT FAMILY | |
Chenopodium ↳ Key to Chenopodium | PIGWEED, GOOSEFOOT | |
Chenopodium album | LAMB'S QUARTERS | Naturalized |
Chenopodium album var. missouriense (Under Chenopodium missouriense) | | Synonym |
Chenopodium ambrosioides (Under Dysphania ambrosioides) | | Synonym |
Chenopodium ambrosioides var. anthelminticum (Under Dysphania anthelmintica) | | Synonym |
Chenopodium ambrosioides var. suffruticosum (Under Dysphania ambrosioides) | | Synonym |
Chenopodium ambrosioides var. vagans (Under Dysphania chilensis) | | Synonym |
Chenopodium anthelminticum (Under Dysphania anthelmintica) | | Synonym |
Chenopodium atrovirens | | Native |
Chenopodium berlandieri | PITSEED GOOSEFOOT | Native |
Chenopodium berlandieri var. sinuatum | | Native |
Chenopodium berlandieri var. zschackei | | Native |
Chenopodium botrys (Under Dysphania botrys) | | Synonym |
Chenopodium californicum | CALIFORNIA GOOSEFOOT | Native |
Chenopodium capitatum | STRAWBERRY-BLITE | Native |
Chenopodium capitatum var. capitatum | | Naturalized |
Chenopodium capitatum var. parvicapitatum | | Native |
Chenopodium carnosulum var. patagonicum (Under Chenopodium littoreum) | | Misapplied name |
Chenopodium chenopodioides | | Naturalized |
Chenopodium desiccatum | | Native |
Chenopodium desiccatum var. leptophylloides (Under Chenopodium pratericola) | | Synonym |
Chenopodium foliosum | | Naturalized |
Chenopodium fremontii | | Native |
Chenopodium fremontii var. incanum (Under Chenopodium incanum var. occidentale) | | Synonym |
Chenopodium gigantospermum (Under Chenopodium simplex) | | Synonym |
Chenopodium glaucum var. salinum | | Native |
Chenopodium hians | | Native |
Chenopodium incanum var. occidentale | | Native |
Chenopodium incognitum (Under Chenopodium hians) | | Synonym |
Chenopodium leptophyllum | | Native |
Chenopodium littoreum | | Native |
Chenopodium macrospermum | | Naturalized |
Chenopodium macrospermum var. farinosum (Under Chenopodium macrospermum) | | Synonym |
Chenopodium macrospermum var. halophilum (Under Chenopodium macrospermum) | | Synonym |
Chenopodium missouriense | | Naturalized |
Chenopodium multifidum (Under Dysphania multifida) | | Synonym |
Chenopodium murale | | Naturalized |
Chenopodium nevadense | | Native |
Chenopodium overi (Under Chenopodium capitatum var. parvicapitatum) | | Synonym |
Chenopodium overi (Under Chenopodium foliosum) | | Synonym |
Chenopodium polyspermum var. acutifolium | | Waif |
Chenopodium pratericola | | Native |
Chenopodium pumilio (Under Dysphania pumilio) | | Synonym |
Chenopodium rubrum | RED PIGWEED | Native |
Chenopodium rubrum var. humile | | Native |
Chenopodium rubrum var. rubrum | | Naturalized |
Chenopodium salinum (Under Chenopodium glaucum var. salinum) | | Synonym |
Chenopodium simplex | LARGE-SEEDED GOOSEFOOT | Native |
Chenopodium spinosum (Under Grayia spinosa) | | Synonym |
Chenopodium strictum var. glaucophyllum | | Naturalized |
Chenopodium subspicatum (Under Atriplex dioica) | | Synonym |
Chenopodium vulvaria | | Naturalized |
Chenopodium watsonii | | Native |
Cherleria | | |
Cherleria biflora | MOUNTAIN SANDWORT | Native |
Chilianthus oleaceus (Under Buddleja saligna) | | Synonym |
Chilopsis | DESERT-WILLOW | |
Chilopsis linearis subsp. arcuata | | Native |
Chimaphila ↳ Key to Chimaphila | PRINCE'S PINE, PIPSISSEWA | |
Chimaphila menziesii | LITTLE PRINCE'S PINE | Native |
Chimaphila umbellata | PRINCE'S PINE | Native |
Chimaphila umbellata var. occidentalis (Under Chimaphila umbellata) | | Synonym |
Chloracantha | SPINY ASTER | |
Chloracantha spinosa var. spinosa | | Native |
Chloris ↳ Key to Chloris | | |
Chloris gayana | RHODES GRASS | Naturalized |
Chloris truncata | BLACK WINDMILL GRASS | Naturalized |
Chloris verticillata | WINDMILL GRASS | Naturalized |
Chloris virgata | FEATHER FINGER GRASS | Naturalized |
Chlorogalum ↳ Key to Chlorogalum | SOAP PLANT, SOAPROOT | |
Chlorogalum angustifolium | NARROW-LEAVED SOAP PLANT | Native |
Chlorogalum grandiflorum | RED HILLS SOAPROOT | Native |
Chlorogalum parviflorum (Under Hooveria parviflora) | | Synonym |
Chlorogalum pomeridianum | | Native |
Chlorogalum pomeridianum var. divaricatum | COASTAL SOAP PLANT | Native |
Chlorogalum pomeridianum var. minus | DWARF SOAPROOT | Native |
Chlorogalum pomeridianum var. pomeridianum | COMMON SOAP PLANT | Native |
Chlorogalum purpureum (Under Hooveria purpurea) | | Synonym |
Chlorogalum purpureum var. purpureum (Under Hooveria purpurea var. purpurea) | | Synonym |
Chlorogalum purpureum var. reductum (Under Hooveria purpurea var. reducta) | | Synonym |
Chloropyron ↳ Key to Chloropyron | SALTY BIRD'S-BEAK | |
Chloropyron maritimum | | Native |
Chloropyron maritimum subsp. canescens | | Native |
Chloropyron maritimum subsp. maritimum | SALT MARSH BIRD'S-BEAK | Native |
Chloropyron maritimum subsp. palustre | POINT REYES SALTY BIRD'S-BEAK | Native |
Chloropyron molle | | Native |
Chloropyron molle subsp. hispidum | HISPID SALTY BIRD'S-BEAK | Native |
Chloropyron molle subsp. molle | SOFT SALTY BIRD'S-BEAK | Native |
Chloropyron palmatum | PALMATE SALTY BIRD'S-BEAK | Native |
Chloropyron tecopense | TECOPA SALTY BIRD'S-BEAK | Native |
Chondrilla | | |
Chondrilla juncea | SKELETON WEED | Naturalized |
Chorisiva nevadensis (Under Euphrosyne nevadensis) | | Synonym |
Chorispora | | |
Chorispora tenella | | Naturalized |
Chorizanthe ↳ Key to Chorizanthe | SPINEFLOWER | |
Chorizanthe andersonii (Under Chorizanthe diffusa) | | Synonym |
Chorizanthe angustifolia | NARROW-LEAF SPINEFLOWER | Native |
Chorizanthe angustifolia var. eastwoodiae (Under Chorizanthe eastwoodiae) | | Synonym |
Chorizanthe aphanantha | IRISH HILLS SPINEFLOWER | Native |
Chorizanthe biloba | | Native |
Chorizanthe biloba var. biloba | TWO-LOBE SPINEFLOWER | Native |
Chorizanthe biloba var. immemora | HERNANDEZ SPINEFLOWER | Native |
Chorizanthe blakleyi | BLAKLEY'S SPINEFLOWER | Native |
Chorizanthe brevicornu | | Native |
Chorizanthe brevicornu var. brevicornu | BRITTLE SPINEFLOWER | Native |
Chorizanthe brevicornu var. spathulata | GREAT BASIN BRITTLE SPINEFLOWER | Native |
Chorizanthe breweri | BREWER'S SPINEFLOWER | Native |
Chorizanthe californica (Under Mucronea californica) | | Synonym |
Chorizanthe californica var. suksdorfii (Under Mucronea californica) | | Synonym |
Chorizanthe chaetophora (Under Chorizanthe procumbens) | | Synonym |
Chorizanthe chrysacantha (Under Chorizanthe staticoides) | | Synonym |
Chorizanthe chrysacantha var. compacta (Under Chorizanthe staticoides) | | Synonym |
Chorizanthe clevelandii | CLEVELAND'S SPINEFLOWER | Native |
Chorizanthe coriacea (Under Lastarriaea coriacea) | | Synonym |
Chorizanthe corrugata | WRINKLED SPINEFLOWER | Native |
Chorizanthe cuspidata | | Native |
Chorizanthe cuspidata var. cuspidata | SAN FRANCISCO BAY SPINEFLOWER | Native |
Chorizanthe cuspidata var. marginata (Under Chorizanthe cuspidata var. cuspidata) | | Synonym |
Chorizanthe cuspidata var. villosa | WOOLLY-HEADED SPINEFLOWER | Native |
Chorizanthe diffusa | DIFFUSE SPINEFLOWER | Native |
Chorizanthe discolor (Under Chorizanthe staticoides) | | Synonym |
Chorizanthe douglasii | DOUGLAS' SPINEFLOWER | Native |
Chorizanthe douglasii var. albens (Under Chorizanthe pungens var. pungens) | | Synonym |
Chorizanthe douglasii var. hartwegii (Under Chorizanthe robusta var. hartwegii) | | Synonym |
Chorizanthe eastwoodiae | EASTWOOD'S SPINEFLOWER | Native |
Chorizanthe fernandina (Under Chorizanthe parryi var. fernandina) | | Synonym |
Chorizanthe fimbriata | | Native |
Chorizanthe fimbriata var. fimbriata | FRINGED SPINEFLOWER | Native |
Chorizanthe fimbriata var. laciniata | LACINIATE SPINEFLOWER | Native |
Chorizanthe floccosa (Under Hollisteria lanata) | | Synonym |
Chorizanthe howellii | HOWELL'S SPINEFLOWER | Native |
Chorizanthe insignis (Under Aristocapsa insignis) | | Synonym |
Chorizanthe insularis (Under Chorizanthe wheeleri) | | Synonym |
Chorizanthe jonesiana (Under Chorizanthe procumbens) | | Synonym |
Chorizanthe laciniata (Under Chorizanthe fimbriata var. laciniata) | | Synonym |
Chorizanthe lastarriaea var. californica (Under Lastarriaea coriacea) | | Synonym |
Chorizanthe leptoceras (Under Dodecahema leptoceras) | | Synonym |
Chorizanthe leptotheca | PENINSULAR SPINEFLOWER | Native |
Chorizanthe membranacea | PINK SPINEFLOWER | Native |
Chorizanthe minutiflora | FORT ORD SPINEFLOWER | Native |
Chorizanthe nortonii (Under Chorizanthe douglasii) | | Synonym |
Chorizanthe nudicaulis (Under Chorizanthe procumbens) | | Synonym |
Chorizanthe obovata | SPOON-SEPAL SPINEFLOWER | Native |
Chorizanthe obovata f. prostrata (Under Chorizanthe obovata) | | Synonym |
Chorizanthe orcuttiana | ORCUTT'S SPINEFLOWER | Native |
Chorizanthe palmeri | PALMER'S SPINEFLOWER | Native |
Chorizanthe palmeri var. biloba (Under Chorizanthe biloba var. biloba) | | Synonym |
Chorizanthe palmeri var. ventricosa (Under Chorizanthe ventricosa) | | Synonym |
Chorizanthe parryi | | Native |
Chorizanthe parryi var. fernandina | SAN FERNANDO VALLEY SPINEFLOWER | Native |
Chorizanthe parryi var. parryi | PARRY'S SPINEFLOWER | Native |
Chorizanthe perfoliata (Under Mucronea perfoliata) | | Synonym |
Chorizanthe polygonoides | | Native |
Chorizanthe polygonoides subsp. longispina (Under Chorizanthe polygonoides var. longispina) | | Synonym |
Chorizanthe polygonoides var. longispina | LONG-SPINED SPINEFLOWER | Native |
Chorizanthe polygonoides var. polygonoides | KNOTWEED SPINEFLOWER | Native |
Chorizanthe procumbens | PROSTRATE SPINEFLOWER | Native |
Chorizanthe procumbens var. albiflora (Under Chorizanthe procumbens) | | Synonym |
Chorizanthe procumbens var. mexicana (Under Chorizanthe procumbens) | | Synonym |
Chorizanthe pungens | | Native |
Chorizanthe pungens var. cuspidata (Under Chorizanthe cuspidata var. cuspidata) | | Synonym |
Chorizanthe pungens var. diffusa (Under Chorizanthe diffusa) | | Synonym |
Chorizanthe pungens var. hartwegiana | BEN LOMOND SPINEFLOWER | Native |
Chorizanthe pungens var. hartwegii (Under Chorizanthe pungens var. hartwegiana) | | Synonym |
Chorizanthe pungens var. hartwegii (Under Chorizanthe robusta var. hartwegii) | | Synonym |
Chorizanthe pungens var. pungens | MONTEREY SPINEFLOWER | Native |
Chorizanthe pungens var. robusta (Under Chorizanthe robusta var. robusta) | | Synonym |
Chorizanthe rectispina | STRAIGHT-AWNED SPINEFLOWER | Native |
Chorizanthe rigida | DEVIL'S SPINEFLOWER | Native |
Chorizanthe robusta | | Native |
Chorizanthe robusta var. hartwegii | SCOTTS VALLEY SPINEFLOWER | Native |
Chorizanthe robusta var. robusta | ROBUST SPINEFLOWER | Native |
Chorizanthe spathulata (Under Chorizanthe brevicornu var. spathulata) | | Synonym |
Chorizanthe spinosa | MOJAVE SPINEFLOWER | Native |
Chorizanthe staticoides | TURKISH RUGGING | Native |
Chorizanthe staticoides f. bracteata (Under Chorizanthe staticoides) | | Synonym |
Chorizanthe staticoides subsp. chrysacantha (Under Chorizanthe staticoides) | | Synonym |
Chorizanthe staticoides var. brevispina (Under Chorizanthe staticoides) | | Synonym |
Chorizanthe staticoides var. elata (Under Chorizanthe staticoides) | | Synonym |
Chorizanthe staticoides var. latiloba (Under Chorizanthe staticoides) | | Synonym |
Chorizanthe staticoides var. nudicaulis (Under Chorizanthe procumbens) | | Synonym |
Chorizanthe stellulata | STARLITE SPINEFLOWER | Native |
Chorizanthe thurberi (Under Centrostegia thurberi) | | Synonym |
Chorizanthe thurberi var. cryptantha (Under Centrostegia thurberi) | | Synonym |
Chorizanthe thurberi var. macrotheca (Under Centrostegia thurberi) | | Synonym |
Chorizanthe uncinata (Under Chorizanthe procumbens) | | Synonym |
Chorizanthe uniaristata | ONE-AWN SPINEFLOWER | Native |
Chorizanthe valida | SONOMA SPINEFLOWER | Native |
Chorizanthe ventricosa | POTBELLIED SPINEFLOWER | Native |
Chorizanthe villosa (Under Chorizanthe cuspidata var. villosa) | | Synonym |
Chorizanthe vortriedei (Under Systenotheca vortriedei) | | Synonym |
Chorizanthe watsonii | WATSON'S SPINEFLOWER | Native |
Chorizanthe wheeleri | WHEELER'S SPINEFLOWER | Native |
Chorizanthe xanti | | Native |
Chorizanthe xanti subsp. leucotheca (Under Chorizanthe xanti var. leucotheca) | | Synonym |
Chorizanthe xanti var. leucotheca | WHITE-BRACTED SPINEFLOWER | Native |
Chorizanthe xanti var. xanti | PINYON SPINEFLOWER | Native |
Chrysamphora californica (Under Darlingtonia californica) | | Synonym |
Chrysanthemoides | | |
Chrysanthemoides monilifera subsp. monilifera | BITOU BUSH | Naturalized |
Chrysanthemum coronarium (Under Glebionis coronaria) | | Synonym |
Chrysanthemum foeniculaceum (Under Argyranthemum foeniculaceum) | | Synonym |
Chrysanthemum leucanthemum (Under Leucanthemum vulgare) | | Synonym |
Chrysanthemum maximum (Under Leucanthemum maximum) | | Synonym |
Chrysanthemum parthenium (Under Tanacetum parthenium) | | Synonym |
Chrysanthemum segetum (Under Glebionis segetum) | | Synonym |
Chrysolepis ↳ Key to Chrysolepis | CHINQUAPIN | |
Chrysolepis chrysophylla | GIANT CHINQUAPIN | Native |
Chrysolepis chrysophylla var. chrysophylla | | Native |
Chrysolepis chrysophylla var. minor | | Native |
Chrysolepis sempervirens | BUSH CHINQUAPIN | Native |
Chrysopsis breweri (Under Doellingeria breweri) | | Synonym |
Chrysopsis villosa var. villosa (Under Heterotheca villosa var. minor) | | Misapplied name |
Chrysopsis villosa var. villosa (Under Heterotheca villosa var. minor) | | Misapplied name |
Chrysosplenium | GOLDEN SAXIFRAGE | |
Chrysosplenium glechomifolium | | Native |
Chrysothamnus ↳ Key to Chrysothamnus | RABBITBRUSH | |
Chrysothamnus albidus (Under Ericameria albida) | | Synonym |
Chrysothamnus depressus | | Native |
Chrysothamnus gramineus (Under Cuniculotinus gramineus) | | Synonym |
Chrysothamnus greenei | GREENE'S RABBITBRUSH | Native |
Chrysothamnus humilis | | Native |
Chrysothamnus nauseosus (Under Ericameria nauseosa) | | Synonym |
Chrysothamnus nauseosus subsp. albicaulis (Under Ericameria nauseosa var. speciosa) | | Synonym |
Chrysothamnus nauseosus subsp. bernardinus (Under Ericameria nauseosa var. bernardina) | | Synonym |
Chrysothamnus nauseosus subsp. ceruminosus (Under Ericameria nauseosa var. ceruminosa) | | Synonym |
Chrysothamnus nauseosus subsp. consimilis (Under Ericameria nauseosa var. oreophila) | | Synonym |
Chrysothamnus nauseosus subsp. gnaphalodes (Under Ericameria nauseosa var. hololeuca) | | Synonym |
Chrysothamnus nauseosus subsp. hololeucus (Under Ericameria nauseosa var. hololeuca) | | Synonym |
Chrysothamnus nauseosus subsp. leiospermus (Under Ericameria nauseosa var. leiosperma) | | Synonym |
Chrysothamnus nauseosus subsp. mohavensis (Under Ericameria nauseosa var. mohavensis) | | Synonym |
Chrysothamnus nauseosus subsp. washoensis (Under Ericameria nauseosa var. washoensis) | | Synonym |
Chrysothamnus nauseosus var. viridulus (Under Ericameria nauseosa var. oreophila) | | Synonym |
Chrysothamnus paniculatus (Under Ericameria paniculata) | | Synonym |
Chrysothamnus parryi (Under Ericameria parryi) | | Synonym |
Chrysothamnus parryi subsp. asper (Under Ericameria parryi var. aspera) | | Synonym |
Chrysothamnus parryi subsp. imulus (Under Ericameria parryi var. imula) | | Synonym |
Chrysothamnus parryi subsp. latior (Under Ericameria parryi var. latior) | | Synonym |
Chrysothamnus parryi subsp. monocephalus (Under Ericameria parryi var. monocephala) | | Synonym |
Chrysothamnus parryi subsp. nevadensis (Under Ericameria parryi var. nevadensis) | | Synonym |
Chrysothamnus parryi subsp. vulcanicus (Under Ericameria parryi var. vulcanica) | | Synonym |
Chrysothamnus teretifolius (Under Ericameria teretifolia) | | Synonym |
Chrysothamnus viscidiflorus | YELLOW RABBITBRUSH | Native |
Chrysothamnus viscidiflorus subsp. axillaris | | Native |
Chrysothamnus viscidiflorus subsp. humilis (Under Chrysothamnus humilis) | | Synonym |
Chrysothamnus viscidiflorus subsp. lanceolatus | | Native |
Chrysothamnus viscidiflorus subsp. latifolius (Under Chrysothamnus viscidiflorus subsp. viscidiflorus) | | Synonym |
Chrysothamnus viscidiflorus subsp. puberulus | | Native |
Chrysothamnus viscidiflorus subsp. pumilus (Under Chrysothamnus viscidiflorus subsp. viscidiflorus) | | Synonym |
Chrysothamnus viscidiflorus subsp. stenophyllus (Under Chrysothamnus viscidiflorus subsp. viscidiflorus) | | Synonym |
Chrysothamnus viscidiflorus subsp. viscidiflorus | | Native |
Chylismia ↳ Key to Chylismia | | |
Chylismia arenaria | | Native |
Chylismia brevipes | | Native |
Chylismia brevipes subsp. arizonica | | Native |
Chylismia brevipes subsp. brevipes | | Native |
Chylismia brevipes subsp. pallidula | | Native |
Chylismia cardiophylla | | Native |
Chylismia cardiophylla subsp. cardiophylla | | Native |
Chylismia cardiophylla subsp. robusta | | Native |
Chylismia claviformis | | Native |
Chylismia claviformis subsp. aurantiaca | | Native |
Chylismia claviformis subsp. claviformis | | Native |
Chylismia claviformis subsp. cruciformis | | Native |
Chylismia claviformis subsp. funerea | | Native |
Chylismia claviformis subsp. integrior | | Native |
Chylismia claviformis subsp. lancifolia | | Native |
Chylismia claviformis subsp. peirsonii | | Native |
Chylismia claviformis subsp. yumae | | Native |
Chylismia heterochroma | SHOCKLEY'S EVENING-PRIMROSE | Native |
Chylismia heterochroma (Under Chylismia heterochroma) | | Superfluous name |
Chylismia lancifolia (Under Chylismia claviformis subsp. lancifolia) | | Synonym |
Chylismia munzii | | Native |
Chylismia walkeri subsp. tortilis | | Native |
Chylismiella | | |
Chylismiella pterosperma | | Native |
Cicendia | | |
Cicendia quadrangularis | TIMWORT | Native |
Cichorium | CHICORY | |
Cichorium intybus | | Naturalized |
Cicuta ↳ Key to Cicuta | WATER-HEMLOCK | |
Cicuta bolanderi (Under Cicuta maculata var. bolanderi) | | Synonym |
Cicuta douglasii | | Native |
Cicuta maculata | | Native |
Cicuta maculata var. angustifolia | | Native |
Cicuta maculata var. bolanderi | BOLANDER'S WATER-HEMLOCK | Native |
Cicuta occidentalis (Under Cicuta maculata var. angustifolia) | | Synonym |
Cicuta valida (Under Cicuta maculata var. angustifolia) | | Synonym |
Cinna ↳ Key to Cinna | WOODREED | |
Cinna bolanderi | BOLANDER'S WOODREED | Native |
Cinna latifolia | DROOPING WOODREED, SLENDER WOODREED | Native |
Cinnamomum | | |
Cinnamomum camphora | CAMPHOR TREE | Naturalized |
Circaea | ENCHANTER'S NIGHTSHADE | |
Circaea alpina subsp. pacifica | | Native |
Cirsium ↳ Key to Cirsium | THISTLE | |
Cirsium acanthodontum (Under Cirsium remotifolium var. rivulare) | | Synonym |
Cirsium amblylepis (Under Cirsium remotifolium var. odontolepis) | | Synonym |
Cirsium andersonii | | Native |
Cirsium andrewsii | FRANCISCAN THISTLE | Native |
Cirsium arizonicum | | Native |
Cirsium arizonicum var. arizonicum | ARIZONA THISTLE | Native |
Cirsium arizonicum var. tenuisectum | DESERT MOUNTAIN THISTLE | Native |
Cirsium arvense | CANADA THISTLE | Naturalized |
Cirsium brevistylum | | Native |
Cirsium callilepis (Under Cirsium remotifolium var. odontolepis) | | Synonym |
Cirsium callilepis var. pseudocarlinoides (Under Cirsium remotifolium var. odontolepis) | | Synonym |
Cirsium canescens | PRAIRIE THISTLE | Naturalized |
Cirsium canovirens (Under Cirsium cymosum var. canovirens) | | Synonym, in part |
Cirsium canovirens (Under Cirsium inamoenum var. inamoenum) | | Misapplied name, in part |
Cirsium ciliolatum | ASHLAND THISTLE | Native |
Cirsium coulteri (Under Cirsium occidentale var. coulteri) | | Synonym |
Cirsium crassicaule | SLOUGH THISTLE | Native |
Cirsium cymosum | | Native |
Cirsium cymosum var. canovirens | GRAY-GREEN THISTLE | Native |
Cirsium cymosum var. cymosum | PEREGRINE THISTLE | Native |
Cirsium douglasii | SWAMP THISTLE | Native |
Cirsium douglasii var. breweri | | Native |
Cirsium douglasii var. douglasii | | Native |
Cirsium fontinale | FOUNTAIN THISTLE | Native |
Cirsium fontinale var. campylon | MOUNT HAMILTON THISTLE | Native |
Cirsium fontinale var. fontinale | FOUNTAIN THISTLE | Native |
Cirsium fontinale var. obispoense | CHORRO CREEK BOG THISTLE | Native |
Cirsium hydrophilum | | Native |
Cirsium hydrophilum var. hydrophilum | SUISUN THISTLE | Native |
Cirsium hydrophilum var. vaseyi | MOUNT TAMALPAIS THISTLE | Native |
Cirsium inamoenum var. inamoenum | GREENE'S THISTLE | Native |
Cirsium loncholepis (Under Cirsium scariosum var. loncholepis) | | Synonym |
Cirsium mendocinum (Under Cirsium andrewsii) | | Synonym |
Cirsium mohavense | MOJAVE THISTLE | Native |
Cirsium neomexicanum | DESERT THISTLE | Native |
Cirsium nidulum (Under Cirsium arizonicum var. tenuisectum) | | Misapplied name |
Cirsium occidentale | | Native |
Cirsium occidentale var. californicum | CALIFORNIA THISTLE | Native |
Cirsium occidentale var. candidissimum | SNOWY THISTLE | Native |
Cirsium occidentale var. compactum | COMPACT COBWEBBY THISTLE | Native |
Cirsium occidentale var. coulteri | COULTER'S THISTLE | Native |
Cirsium occidentale var. lucianum | CUESTA RIDGE THISTLE | Native |
Cirsium occidentale var. occidentale | COBWEBBY THISTLE | Native |
Cirsium occidentale var. venustum | VENUS THISTLE | Native |
Cirsium ochrocentrum var. ochrocentrum | YELLOWSPINE THISTLE | Naturalized |
Cirsium praeteriens | LOST THISTLE | Native |
Cirsium quercetorum | BROWNIE THISTLE | Native |
Cirsium quercetorum var. walkerianum (Under Cirsium quercetorum) | | Synonym |
Cirsium quercetorum var. xerolepis (Under Cirsium quercetorum) | | Synonym |
Cirsium remotifolium | | Native |
Cirsium remotifolium var. odontolepis | PACIFIC FRINGED THISTLE | Native |
Cirsium remotifolium var. remotifolium | REMOTE-LEAVED THISTLE | Native |
Cirsium remotifolium var. rivulare | KLAMATH THISTLE | Native |
Cirsium rhothophilum | SURF THISTLE | Native |
Cirsium scariosum | MEADOW THISTLE | Native |
Cirsium scariosum var. americanum | DINNERPLATE THISTLE | Native |
Cirsium scariosum var. citrinum | SOUTHERN MEADOW THISTLE | Native |
Cirsium scariosum var. citrinum (Under Cirsium scariosum var. loncholepis) | | Synonym, in part |
Cirsium scariosum var. congdonii | ROSETTE THISTLE | Native |
Cirsium scariosum var. loncholepis | LA GRACIOSA THISTLE | Native |
Cirsium scariosum var. robustum | SHASTA VALLEY THISTLE | Native |
Cirsium scariosum var. scariosum | ELK THISTLE | Native |
Cirsium subniveum (Under Cirsium inamoenum var. inamoenum) | | Synonym |
Cirsium tioganum (Under Cirsium scariosum var. congdonii) | | Synonym |
Cirsium undulatum | WAVYLEAF THISTLE | Native |
Cirsium undulatum (Under Cirsium canescens) | | Misapplied name, in part |
Cirsium utahense (Under Cirsium inamoenum var. inamoenum) | | Misapplied name |
Cirsium utahense (Under Cirsium neomexicanum) | | Synonym |
Cirsium virginense (Under Cirsium mohavense) | | Synonym |
Cirsium vulgare | BULL THISTLE | Naturalized |
Cirsium walkerianum (Under Cirsium quercetorum) | | Synonym |
Cissus | TREEBINE | |
Cissus antarctica | KANGAROO IVY | Waif |
Cistaceae ↳ Key to Cistaceae | ROCK-ROSE FAMILY | |
Cistanthe ↳ Key to Cistanthe | | |
Cistanthe ambigua | DESERT CISTANTHE | Native |
Cistanthe maritima | SEASIDE CISTANTHE | Native |
Cistanthe monandra (Under Calyptridium monandrum) | | Synonym |
Cistanthe monosperma (Under Calyptridium monospermum) | | Synonym |
Cistanthe parryi (Under Calyptridium parryi) | | Synonym |
Cistanthe parryi var. arizonica (Under Calyptridium arizonicum) | | Synonym |
Cistanthe parryi var. hesseae (Under Calyptridium parryi var. hesseae) | | Synonym |
Cistanthe parryi var. nevadensis (Under Calyptridium parryi var. nevadense) | | Synonym |
Cistanthe pulchella (Under Calyptridium pulchellum) | | Synonym |
Cistanthe pygmaea (Under Calyptridium pygmaeum) | | Synonym |
Cistanthe quadripetala (Under Calyptridium quadripetalum) | | Synonym |
Cistanthe rosea (Under Calyptridium roseum) | | Synonym |
Cistanthe umbellata (Under Calyptridium umbellatum) | | Synonym |
Cistus ↳ Key to Cistus | ROCK-ROSE | |
Cistus creticus (Under Cistus incanus) | | Synonym |
Cistus incanus | | Naturalized |
Cistus incanus subsp. corsicus (Under Cistus incanus) | | Synonym |
Cistus incanus subsp. creticus (Under Cistus incanus) | | Synonym |
Cistus incanus subsp. incanus (Under Cistus incanus) | | Synonym |
Cistus ladanifer | GUM CISTUS | Naturalized |
Cistus monspeliensis | | Naturalized |
Cistus psilosepalus | | Urban weed |
Cistus salvifolius (Under Cistus salviifolius) | | Orthographic variant |
Cistus salviifolius | | Naturalized |
Cistus villosus (Under Cistus incanus) | | Synonym |
Cistus villosus var. corsicus (Under Cistus incanus) | | Synonym ined. |
Cistus villosus var. tauricus (Under Cistus incanus) | | Synonym ined. |
Cistus villosus var. undulatus (Under Cistus incanus) | | Synonym ined. |
Citrullus | | |
Citrullus colocynthis var. lanatus (Under Citrullus lanatus var. citroides) | | Synonym ined. |
Citrullus lanatus var. citroides | WILD WATERMELON | Naturalized |
Citrullus vulgaris (Under Citrullus lanatus var. citroides) | | Synonym, in part |
Cladium | TWIG RUSH | |
Cladium californicum | CALIFORNIA SAWGRASS | Native |
Cladium mariscus var. californicum (Under Cladium californicum) | | Synonym |
Clarkia ↳ Key to Clarkia | | |
Clarkia affinis | | Native |
Clarkia amoena | FAREWELL-TO-SPRING | Native |
Clarkia amoena subsp. amoena | | Native |
Clarkia amoena subsp. huntiana | | Native |
Clarkia amoena subsp. whitneyi | WHITNEY'S FAREWELL-TO-SPRING | Native |
Clarkia arcuata | | Native |
Clarkia australis | SMALL'S SOUTHERN CLARKIA | Native |
Clarkia biloba | | Native |
Clarkia biloba subsp. australis | MARIPOSA CLARKIA | Native |
Clarkia biloba subsp. biloba | | Native |
Clarkia biloba subsp. brandegeae (Under Clarkia biloba subsp. brandegeeae) | | Orthographic variant |
Clarkia biloba subsp. brandegeeae | BRANDEGEE'S CLARKIA | Native |
Clarkia borealis | | Native |
Clarkia borealis subsp. arida | SHASTA CLARKIA | Native |
Clarkia borealis subsp. borealis | NORTHERN CLARKIA | Native |
Clarkia bottae | PUNCHBOWL GODETIA | Native |
Clarkia bottae (Under Clarkia lewisii) | | Unabridged misapplied name |
Clarkia breweri | BREWER'S CLARKIA | Native |
Clarkia calientensis (Under Clarkia tembloriensis subsp. calientensis) | | Synonym |
Clarkia concinna | RED RIBBONS | Native |
Clarkia concinna subsp. automixa | SANTA CLARA RED RIBBONS | Native |
Clarkia concinna subsp. concinna | | Native |
Clarkia concinna subsp. raichei | RAICHE'S RED RIBBONS | Native |
Clarkia cylindrica | | Native |
Clarkia cylindrica subsp. clavicarpa | | Native |
Clarkia cylindrica subsp. cylindrica | | Native |
Clarkia davyi | | Native |
Clarkia deflexa (Under Clarkia bottae) | | Synonym |
Clarkia delicata | DELICATE CLARKIA | Native |
Clarkia dudleyana | | Native |
Clarkia epilobioides | | Native |
Clarkia exilis | SLENDER CLARKIA | Native |
Clarkia franciscana | PRESIDIO CLARKIA | Native |
Clarkia gracilis | | Native |
Clarkia gracilis subsp. albicaulis | WHITE-STEMMED CLARKIA | Native |
Clarkia gracilis subsp. gracilis | | Native |
Clarkia gracilis subsp. sonomensis | | Native |
Clarkia gracilis subsp. tracyi | TRACY'S CLARKIA | Native |
Clarkia heterandra | | Native |
Clarkia imbricata | VINE HILL CLARKIA | Native |
Clarkia jolonensis | JOLON CLARKIA | Native |
Clarkia lassenensis | | Native |
Clarkia lewisii | LEWIS' CLARKIA | Native |
Clarkia lingulata | MERCED CLARKIA | Native |
Clarkia mildrediae | | Native |
Clarkia mildrediae subsp. lutescens | GOLDEN-ANTHERED CLARKIA | Native |
Clarkia mildrediae subsp. mildrediae | MILDRED'S CLARKIA | Native |
Clarkia modesta | | Native |
Clarkia mosquinii | MOSQUIN'S CLARKIA | Native |
Clarkia mosquinii subsp. mosquinii (Under Clarkia mosquinii) | | Synonym |
Clarkia mosquinii subsp. xerophila (Under Clarkia mosquinii) | | Synonym |
Clarkia mosquinii subsp. xerophylla (Under Clarkia mosquinii) | | Orthographic variant |
Clarkia nitens (Under Clarkia speciosa subsp. nitens) | | Synonym |
Clarkia parviflora (Under Clarkia xantiana subsp. parviflora) | | Synonym |
Clarkia prostrata | | Native |
Clarkia purpurea | | Native |
Clarkia purpurea subsp. purpurea | | Native |
Clarkia purpurea subsp. quadrivulnera | FOUR-SPOT | Native |
Clarkia purpurea subsp. viminea | | Native |
Clarkia rhomboidea | | Native |
Clarkia rostrata | BEAKED CLARKIA | Native |
Clarkia rubicunda | | Native |
Clarkia rubicunda subsp. blasdalei (Under Clarkia rubicunda) | | Synonym |
Clarkia similis | | Native |
Clarkia speciosa | | Native |
Clarkia speciosa subsp. immaculata | PISMO CLARKIA | Native |
Clarkia speciosa subsp. nitens | | Native |
Clarkia speciosa subsp. polyantha | | Native |
Clarkia speciosa subsp. speciosa | | Native |
Clarkia springvillensis | SPRINGVILLE CLARKIA | Native |
Clarkia stellata | | Native |
Clarkia tembloriensis | | Native |
Clarkia tembloriensis subsp. calientensis | VASEK'S CLARKIA | Native |
Clarkia tembloriensis subsp. tembloriensis | | Native |
Clarkia unguiculata | | Native |
Clarkia virgata | SIERRA CLARKIA | Native |
Clarkia virgata subsp. australis (Under Clarkia australis) | | Synonym |
Clarkia williamsonii | | Native |
Clarkia williamsonii f. incerta (Under Clarkia williamsonii) | | Synonym |
Clarkia williamsonii var. incerta (Under Clarkia williamsonii) | | Synonym |
Clarkia xantiana | | Native |
Clarkia xantiana subsp. parviflora | KERN CANYON CLARKIA | Native |
Clarkia xantiana subsp. xantiana | | Native |
Claytonia ↳ Key to Claytonia | | |
Claytonia bellidifolia (Under Claytonia megarhiza) | | Synonym |
Claytonia chenopodina (Under Claytonia nevadensis) | | Synonym |
Claytonia cordifolia | | Native |
Claytonia exigua | | Native |
Claytonia exigua subsp. exigua | | Native |
Claytonia exigua subsp. glauca | | Native |
Claytonia grayana (Under Lewisia nevadensis) | | Synonym |
Claytonia gypsophiloides | | Native |
Claytonia lanceolata | WESTERN SPRING BEAUTY | Native |
Claytonia lanceolata var. peirsonii (Under Claytonia lanceolata) | | Synonym |
Claytonia lanceolata var. sessilifolia (Under Claytonia lanceolata) | | Synonym |
Claytonia megarhiza | FELL-FIELDS CLAYTONIA | Native |
Claytonia megarhiza var. bellidifolia (Under Claytonia megarhiza) | | Synonym |
Claytonia nevadensis | | Native |
Claytonia palustris | MARSH CLAYTONIA | Native |
Claytonia parviflora | | Native |
Claytonia parviflora subsp. grandiflora | STREAMBANK SPRING BEAUTY | Native |
Claytonia parviflora subsp. parviflora | | Native |
Claytonia parviflora subsp. parviflora (Under Claytonia parviflora subsp. utahensis) | | Synonym, in part |
Claytonia parviflora subsp. utahensis | | Native |
Claytonia parviflora subsp. viridis | | Native |
Claytonia perfoliata | ROOREH | Native |
Claytonia perfoliata subsp. intermontana | | Native |
Claytonia perfoliata subsp. mexicana | | Native |
Claytonia perfoliata subsp. perfoliata | | Native |
Claytonia perfoliata subsp. perfoliata (Under Claytonia perfoliata subsp. intermontana) | | Synonym, in part |
Claytonia rubra | | Native |
Claytonia rubra subsp. depressa | | Native |
Claytonia rubra subsp. rubra | | Native |
Claytonia saxosa | | Native |
Claytonia sibirica | CANDY FLOWER | Native |
Claytonia sibirica var. bulbifera (Under Claytonia sibirica) | | Synonym |
Claytonia sibirica var. sibirica (Under Claytonia sibirica) | | Synonym |
Claytonia triphylla (Under Lewisia triphylla) | | Synonym |
Claytonia umbellata | GREAT BASIN CLAYTONIA | Native |
Claytonia washingtoniana | | Native |
Clematis ↳ Key to Clematis | CLEMATIS, VIRGIN'S BOWER | |
Clematis lasiantha | CHAPARRAL CLEMATIS, PIPESTEM CLEMATIS | Native |
Clematis ligusticifolia | WESTERN VIRGIN'S BOWER | Native |
Clematis pauciflora | SOUTHERN CALIFORNIA CLEMATIS, FEW-FLOWERED CLEMATIS | Native |
Cleomaceae ↳ Key to Cleomaceae | SPIDERFLOWER FAMILY | |
Cleome jonesii (Under Cleomella jonesii) | | Synonym |
Cleome lutea (Under Cleomella lutea) | | Synonym |
Cleome lutea var. jonesii (Under Cleomella jonesii) | | Synonym |
Cleome lutea var. lutea (Under Cleomella lutea) | | Synonym |
Cleome platycarpa (Under Cleomella platycarpa) | | Synonym |
Cleome serrulata (Under Cleomella serrulata) | | Synonym |
Cleome sparsifolia (Under Cleomella sparsifolia) | | Synonym |
Cleomella ↳ Key to Cleomella | | |
Cleomella arborea | BLADDERPOD | Native |
Cleomella arborea var. angustata | | Native |
Cleomella arborea var. arborea | | Native |
Cleomella arborea var. globosa | | Native |
Cleomella brevipes | SHORT-PEDICELLED CLEOMELLA | Native |
Cleomella californica | | Native |
Cleomella hillmanii var. hillmanii | HILLMAN'S CLEOMELLA | Native |
Cleomella jonesii | JONES' BEE PLANT | Native |
Cleomella lutea | YELLOW BEE PLANT | Native |
Cleomella obtusifolia | MOJAVE STINKWEED | Native |
Cleomella obtusifolia var. pubescens (Under Cleomella obtusifolia) | | Synonym |
Cleomella oxystyloides | | Native |
Cleomella palmeri | PALMER'S JACKASS-CLOVER | Native |
Cleomella parviflora | | Native |
Cleomella platycarpa | GOLDEN BEE PLANT | Native |
Cleomella plocasperma | | Native |
Cleomella plocasperma var. mojavensis (Under Cleomella plocasperma) | | Synonym |
Cleomella plocasperma var. stricta (Under Cleomella plocasperma) | | Synonym |
Cleomella refracta | JACKASS-CLOVER | Native |
Cleomella serrulata | ROCKY MOUNTAIN BEE PLANT | Naturalized |
Cleomella sparsifolia | | Native |
Clinopodium ↳ Key to Clinopodium | | |
Clinopodium chandleri | SAN MIGUEL SAVORY | Native |
Clinopodium douglasii | YERBA BUENA | Native |
Clinopodium mimuloides | MONKEY-FLOWER SAVORY | Native |
Clintonia ↳ Key to Clintonia | | |
Clintonia andrewsiana | | Native |
Clintonia uniflora | | Native |
Cneoridium | | |
Cneoridium dumosum | BUSHRUE | Native |
Cnicus benedictus (Under Centaurea benedicta) | | Synonym |
Cochlearia | SCURVYGRASS | |
Cochlearia groenlandica | GREENLAND COCHLEARIA | Native |
Cochlearia officinalis subsp. arctica (Under Cochlearia groenlandica) | | Synonym |
Cochlearia officinalis var. arctica (Under Cochlearia groenlandica) | | Synonym |
Cogswellia rigida (Under Lomatium rigidum) | | Synonym |
Coincya | | |
Coincya monensis subsp. recurvata | STAR MUSTARD | Naturalized |
Coldenia canescens (Under Tiquilia canescens) | | Synonym |
Coldenia nuttallii (Under Tiquilia nuttallii) | | Synonym |
Coldenia palmeri (Under Tiquilia palmeri) | | Synonym |
Coldenia plicata (Under Tiquilia plicata) | | Synonym |
Coleogeton filiformis subsp. alpinus (Under Stuckenia filiformis subsp. alpina) | | Synonym |
Coleogeton pectinatus (Under Stuckenia pectinata) | | Synonym |
Coleogeton striatus (Under Stuckenia striata) | | Synonym |
Coleogyne | BLACKBUSH | |
Coleogyne ramosissima | | Native |
Coleosanthus argutus (Under Brickellia atractyloides var. arguta) | | Synonym |
Coleosanthus californicus (Under Brickellia californica) | | Synonym |
Coleosanthus desertorum (Under Brickellia desertorum) | | Synonym |
Coleosanthus frutescens (Under Brickellia frutescens) | | Synonym |
Coleosanthus grandiflorus (Under Brickellia grandiflora) | | Synonym |
Coleosanthus greenei (Under Brickellia greenei) | | Synonym |
Coleosanthus incanus (Under Brickellia incana) | | Synonym |
Coleosanthus knappianus (Under Brickellia knappiana) | | Synonym |
Coleosanthus linifolius (Under Brickellia oblongifolia var. linifolia) | | Synonym |
Coleosanthus longifolius (Under Brickellia longifolia) | | Synonym |
Coleosanthus microphyllus (Under Brickellia microphylla var. microphylla) | | Synonym |
Coleosanthus nevinii (Under Brickellia nevinii) | | Synonym |
Coleosanthus oblongifolius var. linifolius (Under Brickellia oblongifolia var. linifolia) | | Synonym |
Coleosanthus scaber (Under Brickellia microphylla var. scabra) | | Synonym |
Coleosanthus tener (Under Brickellia californica) | | Synonym |
Collinsia ↳ Key to Collinsia | CHINESE-HOUSES | |
Collinsia antonina | SAN ANTONIO COLLINSIA | Native |
Collinsia antonina subsp. purpurea (Under Collinsia antonina) | | Synonym |
Collinsia bartsiifolia | | Native |
Collinsia bartsiifolia var. bartsiifolia | | Native |
Collinsia bartsiifolia var. davidsonii | | Native |
Collinsia bartsiifolia var. davidsonii (Under Collinsia bartsiifolia var. stricta) | | Misapplied name, in part |
Collinsia bartsiifolia var. stricta | | Native |
Collinsia callosa | | Native |
Collinsia childii | | Native |
Collinsia concolor | | Native |
Collinsia corymbosa | ROUND-HEADED CHINESE-HOUSES | Native |
Collinsia franciscana (Under Collinsia multicolor) | | Synonym |
Collinsia grandiflora | | Native |
Collinsia grandiflora var. pusilla (Under Collinsia grandiflora) | | Synonym |
Collinsia greenei | | Native |
Collinsia heterophylla | | Native |
Collinsia heterophylla var. austromontana | DOWNY CHINESE-HOUSES | Native |
Collinsia heterophylla var. heterophylla | CHINESE-HOUSES | Native |
Collinsia linearis | | Native |
Collinsia multicolor | SAN FRANCISCO COLLINSIA | Native |
Collinsia parryi | | Native |
Collinsia parryi (Under Collinsia antonina) | | Misapplied name |
Collinsia parviflora | BLUE-EYED MARY | Native |
Collinsia parviflora var. collina (Under Collinsia sparsiflora var. collina) | | Synonym |
Collinsia rattanii | | Native |
Collinsia sparsiflora | | Native |
Collinsia sparsiflora var. collina | | Native |
Collinsia sparsiflora var. sparsiflora | | Native |
Collinsia tinctoria | | Native |
Collinsia torreyi | | Native |
Collinsia torreyi var. brevicarinata | | Native |
Collinsia torreyi var. latifolia | | Native |
Collinsia torreyi var. torreyi | | Native |
Collinsia torreyi var. wrightii | | Native |
Collomia ↳ Key to Collomia | TRUMPET FLOWER | |
Collomia debilis var. larsenii (Under Collomia larsenii) | | Synonym |
Collomia diversifolia | SERPENTINE COLLOMIA | Native |
Collomia grandiflora | LARGE-FLOWERED COLLOMIA | Native |
Collomia heterophylla | VARIABLE-LEAF COLLOMIA | Native |
Collomia larsenii | TALUS COLLOMIA | Native |
Collomia linearis | NARROW-LEAF MOUNTAIN TRUMPET | Native |
Collomia rawsoniana | RAWSON'S FLAMING-TRUMPET | Native |
Collomia tenella | SLENDER COLLOMIA | Native |
Collomia tinctoria | STAINING COLLOMIA | Native |
Collomia tracyi | TRACY'S COLLOMIA | Native |
Colubrina | | |
Colubrina californica | LAS ANIMAS COLUBRINA | Native |
Colutea | BLADDER SENNA | |
Colutea arborescens | | Naturalized |
Comandra | BASTARD TOADFLAX | |
Comandra umbellata subsp. californica | | Native |
Comandraceae | BASTARD TOADFLAX FAMILY | |
Comarostaphylis | | |
Comarostaphylis diversifolia ↳ Key to Comarostaphylis diversifolia | | Native |
Comarostaphylis diversifolia subsp. diversifolia | SUMMER HOLLY | Native |
Comarostaphylis diversifolia subsp. planifolia | | Native |
Comarostaphylis diversifolia var. planifolia (Under Comarostaphylis diversifolia subsp. planifolia) | | Synonym |
Comarum | | |
Comarum palustre | MARSH CINQUEFOIL | Native |
Comastoma | | |
Comastoma tenellum | SAMILAND GENTIAN | Native |
Comastoma tenellum var. tenellum (Under Comastoma tenellum) | | Synonym |
Commelina | | |
Commelina benghalensis | TROPICAL SPIDERWORT | Naturalized |
Commelinaceae ↳ Key to Commelinaceae | SPIDERWORT FAMILY | |
Condalia | | |
Condalia globosa var. pubescens | SPINY ABROJO | Native |
Condalia lycioides var. canescens (Under Ziziphus obtusifolia var. canescens) | | Synonym |
Condalia parryi (Under Ziziphus parryi var. parryi) | | Synonym |
Condea | | |
Condea emoryi | DESERT LAVENDER | Native |
Conicosia | | |
Conicosia pugioniformis | NARROWLEAF ICEPLANT | Naturalized |
Conioselinum | | |
Conioselinum chinense (Under Conioselinum pacificum) | | Synonym |
Conioselinum pacificum | | Native |
Conium | POISON HEMLOCK | |
Conium maculatum | | Naturalized |
Conringia | HARE'S EAR | |
Conringia orientalis | | Naturalized |
Consolida | LARKSPUR | |
Consolida ajacis | | Naturalized |
Consolida ambigua (Under Consolida ajacis) | | Misapplied name |
Constancea | | |
Constancea nevinii | NEVIN'S WOOLLY SUNFLOWER | Native |
Convolvulaceae ↳ Key to Convolvulaceae | MORNING-GLORY FAMILY | |
Convolvulus ↳ Key to Convolvulus | MORNING-GLORY, BINDWEED | |
Convolvulus althaeoides | | Waif |
Convolvulus aridus (Under Calystegia macrostegia subsp. arida) | | Synonym |
Convolvulus aridus subsp. intermedius (Under Calystegia macrostegia subsp. intermedia) | | Synonym |
Convolvulus aridus subsp. longilobus (Under Calystegia macrostegia subsp. intermedia) | | Synonym |
Convolvulus aridus subsp. tenuifolius (Under Calystegia macrostegia subsp. tenuifolia) | | Synonym |
Convolvulus arvensis | BINDWEED, ORCHARD MORNING-GLORY | Naturalized |
Convolvulus binghamiae (Under Calystegia sepium subsp. binghamiae) | | Synonym |
Convolvulus collinus (Under Calystegia collina) | | Synonym |
Convolvulus cyclostegius (Under Calystegia macrostegia subsp. cyclostegia) | | Synonym |
Convolvulus deltoideus (Under Calystegia occidentalis subsp. fulcrata) | | Synonym |
Convolvulus fruticetorum (Under Calystegia occidentalis subsp. occidentalis) | | Synonym |
Convolvulus fulcratus (Under Calystegia occidentalis subsp. fulcrata) | | Synonym |
Convolvulus limnophilus (Under Calystegia sepium subsp. limnophila) | | Synonym |
Convolvulus linearilobus (Under Calystegia longipes) | | Synonym |
Convolvulus longipes (Under Calystegia longipes) | | Synonym |
Convolvulus malacophyllus subsp. collinus (Under Calystegia collina) | | Synonym |
Convolvulus malacophyllus subsp. pedicellatus (Under Calystegia malacophylla subsp. pedicellata) | | Synonym |
Convolvulus nyctagineus (Under Calystegia atriplicifolia subsp. buttensis) | | Synonym, in part |
Convolvulus occidentalis var. purpuratus (Under Calystegia purpurata subsp. purpurata) | | Synonym |
Convolvulus occidentalis var. saxicola (Under Calystegia purpurata subsp. saxicola) | | Synonym |
Convolvulus occidentalis var. solanensis (Under Calystegia purpurata subsp. purpurata) | | Synonym |
Convolvulus peirsonii (Under Calystegia peirsonii) | | Synonym |
Convolvulus polymorphus (Under Calystegia occidentalis subsp. occidentalis) | | Synonym |
Convolvulus sepium var. dumetorum (Under Calystegia sepium subsp. binghamiae) | | Synonym |
Convolvulus sepium var. repens (Under Calystegia sepium subsp. limnophila) | | Synonym |
Convolvulus simulans | SMALL-FLOWERED MORNING-GLORY | Native |
Convolvulus soldanella (Under Calystegia soldanella) | | Synonym |
Convolvulus subacaulis (Under Calystegia subacaulis subsp. subacaulis) | | Synonym |
Convolvulus subacaulis var. dolosus (Under Calystegia subacaulis subsp. subacaulis) | | Synonym |
Convolvulus tricolor | | Waif |
Convolvulus tridactylosa (Under Calystegia collina subsp. tridactylosa) | | Synonym |
Conyza bilbaoana (Under Erigeron sumatrensis) | | Misapplied name |
Conyza bonariensis (Under Erigeron bonariensis) | | Synonym |
Conyza canadensis (Under Erigeron canadensis) | | Synonym |
Conyza canadensis var. canadensis (Under Erigeron canadensis) | | Synonym |
Conyza coulteri (Under Laennecia coulteri) | | Synonym |
Conyza floribunda (Under Erigeron sumatrensis) | | Synonym |
Conyza squamata (Under Symphyotrichum subulatum var. squamatum) | | Synonym |
Conyza sumatrensis (Under Erigeron sumatrensis) | | Synonym |
Coprosma | | |
Coprosma repens | MIRROR BUSH | Waif |
Coptis | GOLDTHREAD | |
Coptis laciniata | OREGON GOLDTHREAD | Native |
Corallorhiza ↳ Key to Corallorhiza | CORALROOT | |
Corallorhiza maculata | SPOTTED CORALROOT | Native |
Corallorhiza maculata var. maculata | | Native |
Corallorhiza maculata var. occidentalis | | Native |
Corallorhiza mertensiana | WESTERN CORALROOT | Native |
Corallorhiza striata | STRIPED CORALROOT | Native |
Corallorhiza striata var. striata (Under Corallorhiza striata) | | Synonym |
Corallorhiza striata var. vreelandii (Under Corallorhiza striata) | | Synonym |
Corallorhiza trifida | NORTHERN CORALROOT | Native |
Cordylanthus ↳ Key to Cordylanthus | BIRD'S-BEAK | |
Cordylanthus bernardinus (Under Cordylanthus eremicus subsp. eremicus) | | Synonym |
Cordylanthus capitatus | YAKIMA BIRD'S-BEAK | Native |
Cordylanthus eremicus | | Native |
Cordylanthus eremicus subsp. eremicus | DESERT BIRD'S-BEAK | Native |
Cordylanthus eremicus subsp. kernensis | KERN PLATEAU BIRD'S-BEAK | Native |
Cordylanthus ferrisianus (Under Cordylanthus rigidus subsp. rigidus) | | Synonym |
Cordylanthus filifolius (Under Cordylanthus rigidus subsp. setiger) | | Illegitimate name |
Cordylanthus hansenii (Under Cordylanthus pilosus subsp. hansenii) | | Synonym |
Cordylanthus helleri (Under Cordylanthus kingii subsp. helleri) | | Synonym |
Cordylanthus hispidus (Under Chloropyron molle subsp. hispidum) | | Synonym |
Cordylanthus kingii subsp. helleri | | Native |
Cordylanthus littoralis (Under Cordylanthus rigidus subsp. littoralis) | | Synonym |
Cordylanthus littoralis subsp. platycephalus (Under Cordylanthus rigidus subsp. rigidus) | | Synonym |
Cordylanthus maritimus (Under Chloropyron maritimum) | | Synonym |
Cordylanthus maritimus subsp. canescens (Under Chloropyron maritimum subsp. canescens) | | Synonym |
Cordylanthus maritimus subsp. maritimus (Under Chloropyron maritimum subsp. maritimum) | | Synonym |
Cordylanthus maritimus subsp. palustris (Under Chloropyron maritimum subsp. palustre) | | Synonym |
Cordylanthus mollis subsp. hispidus (Under Chloropyron molle subsp. hispidum) | | Synonym |
Cordylanthus mollis subsp. mollis (Under Chloropyron molle subsp. molle) | | Synonym |
Cordylanthus nevinii | | Native |
Cordylanthus nidularius | MOUNT DIABLO BIRD'S-BEAK | Native |
Cordylanthus orcuttianus (Under Dicranostegia orcuttiana) | | Synonym |
Cordylanthus pallescens (Under Cordylanthus tenuis subsp. pallescens) | | Synonym |
Cordylanthus palmatus (Under Chloropyron palmatum) | | Synonym |
Cordylanthus parviflorus | SMALL-FLOWERED BIRD'S-BEAK | Native |
Cordylanthus pilosus | | Native |
Cordylanthus pilosus subsp. bolanderi (Under Cordylanthus tenuis subsp. tenuis) | | Synonym |
Cordylanthus pilosus subsp. diffusus (Under Cordylanthus pilosus subsp. pilosus) | | Synonym |
Cordylanthus pilosus subsp. hansenii | | Native |
Cordylanthus pilosus subsp. pilosus | | Native |
Cordylanthus pilosus subsp. trifidus | | Native |
Cordylanthus pilosus var. brunneus (Under Cordylanthus tenuis subsp. brunneus) | | Synonym |
Cordylanthus pringlei | | Native |
Cordylanthus ramosus | | Native |
Cordylanthus ramosus subsp. eremicus (Under Cordylanthus eremicus subsp. eremicus) | | Synonym |
Cordylanthus ramosus subsp. setosus (Under Cordylanthus ramosus) | | Synonym |
Cordylanthus rigidus | | Native |
Cordylanthus rigidus subsp. brevibracteatus | SHORT-BRACTED BIRD'S-BEAK | Native |
Cordylanthus rigidus subsp. littoralis | SEASIDE BIRD'S-BEAK | Native |
Cordylanthus rigidus subsp. rigidus | | Native |
Cordylanthus rigidus subsp. setiger | | Native |
Cordylanthus rigidus var. compactus (Under Cordylanthus rigidus subsp. rigidus) | | Synonym |
Cordylanthus rigidus var. ferrisianus (Under Cordylanthus rigidus subsp. rigidus) | | Synonym |
Cordylanthus tecopensis (Under Chloropyron tecopense) | | Synonym |
Cordylanthus tenuis | | Native |
Cordylanthus tenuis subsp. barbatus | FRESNO COUNTY BIRD'S-BEAK | Native |
Cordylanthus tenuis subsp. brunneus | SERPENTINE BIRD'S-BEAK | Native |
Cordylanthus tenuis subsp. capillaris | PENNELL'S BIRD'S-BEAK | Native |
Cordylanthus tenuis subsp. pallescens | PALLID BIRD'S-BEAK | Native |
Cordylanthus tenuis subsp. tenuis | | Native |
Cordylanthus tenuis subsp. viscidus | | Native |
Cordylanthus viscidus (Under Cordylanthus tenuis subsp. viscidus) | | Synonym |
Cordyline | CABBAGE TREE | |
Cordyline australis | NEW ZEALAND CABBAGE TREE | Naturalized |
Coreopsis ↳ Key to Coreopsis | | |
Coreopsis atkinsoniana (Under Coreopsis tinctoria) | | Synonym |
Coreopsis bigelovii (Under Leptosyne bigelovii) | | Synonym |
Coreopsis californica (Under Leptosyne californica) | | Synonym |
Coreopsis calliopsidea (Under Leptosyne calliopsidea) | | Synonym |
Coreopsis douglasii (Under Leptosyne douglasii) | | Synonym |
Coreopsis gigantea (Under Leptosyne gigantea) | | Synonym |
Coreopsis hamiltonii (Under Leptosyne hamiltonii) | | Synonym |
Coreopsis lanceolata | GARDEN COREOPSIS | Naturalized |
Coreopsis maritima (Under Leptosyne maritima) | | Synonym |
Coreopsis stillmanii (Under Leptosyne stillmanii) | | Synonym |
Coreopsis tinctoria | CALLIOPSIS | Naturalized |
Coreopsis tinctoria var. atkinsoniana (Under Coreopsis tinctoria) | | Synonym |
Corethrogyne | CALIFORNIA-ASTER, SAND-ASTER | |
Corethrogyne filaginifolia | | Native |
Corethrogyne filaginifolia var. californica (Under Corethrogyne filaginifolia) | | Synonym |
Coriandrum | | |
Coriandrum sativum | CORIANDER, CILANTRO | Naturalized |
Corispermum | BUGSEED | |
Corispermum americanum var. americanum | AMERICAN BUGSEED | Native |
Corispermum hyssopifolium (Under Corispermum americanum var. americanum) | | Misapplied name |
Corispermum hyssopifolium var. americanum (Under Corispermum americanum var. americanum) | | Synonym |
Cornaceae | DOGWOOD FAMILY | |
Cornus ↳ Key to Cornus | DOGWOOD | |
Cornus ×californica (Under Cornus sericea subsp. sericea) | | Synonym |
Cornus californica (Under Cornus sericea subsp. sericea) | | Synonym |
Cornus californica var. nevadensis (Under Cornus sericea subsp. sericea) | | Synonym |
Cornus canadensis (Under Cornus unalaschkensis) | | Misapplied name |
Cornus glabrata | BROWN DOGWOOD | Native |
Cornus nuttallii | MOUNTAIN DOGWOOD | Native |
Cornus occidentalis (Under Cornus sericea subsp. occidentalis) | | Synonym |
Cornus sericea | AMERICAN DOGWOOD | Native |
Cornus sericea subsp. occidentalis | | Native |
Cornus sericea subsp. sericea | | Native |
Cornus sessilis | | Native |
Cornus stolonifera (Under Cornus sericea subsp. sericea) | | Synonym |
Cornus unalaschkensis | BUNCHBERRY | Native |
Coronilla ↳ Key to Coronilla | | |
Coronilla valentina subsp. glauca | | Waif |
Coronilla varia | CROWN VETCH | Naturalized |
Coronopus didymus (Under Lepidium didymum) | | Synonym |
Coronopus squamatus (Under Lepidium coronopus) | | Synonym |
Cortaderia ↳ Key to Cortaderia | | |
Cortaderia jubata | PURPLE PAMPAS GRASS, JUBATA GRASS | Naturalized |
Cortaderia selloana | PAMPAS GRASS | Naturalized |
Corydalis ↳ Key to Corydalis | | |
Corydalis aurea | GOLDEN CORYDALIS | Native |
Corydalis caseana subsp. caseana | SIERRA CORYDALIS, FITWEED | Native |
Corylus | HAZELNUT | |
Corylus californica (Under Corylus cornuta subsp. californica) | | Synonym |
Corylus cornuta subsp. californica | CALIFORNIA HAZEL | Native |
Corylus cornuta var. californica (Under Corylus cornuta subsp. californica) | | Synonym |
Corylus rostrata var. tracyi (Under Corylus cornuta subsp. californica) | | Synonym |
Coryphantha alversonii (Under Escobaria alversonii) | | Synonym |
Coryphantha chlorantha (Under Escobaria chlorantha) | | Synonym |
Coryphantha deserti (Under Escobaria chlorantha) | | Synonym |
Coryphantha vivipara var. alversonii (Under Escobaria alversonii) | | Synonym |
Coryphantha vivipara var. deserti (Under Escobaria chlorantha) | | Synonym |
Coryphantha vivipara var. rosea (Under Escobaria vivipara var. rosea) | | Synonym |
Cosmanthus grandiflorus (Under Phacelia grandiflora) | | Synonym |
Cosmos ↳ Key to Cosmos | | |
Cosmos bipinnatus | GARDEN COSMOS | Naturalized |
Cosmos sulphureus | | Garden weed |
Cota | GOLDEN MARGUERITE, YELLOW CHAMOMILE | |
Cota tinctoria | GOLDEN MARGUERITE | Waif |
Cotoneaster ↳ Key to Cotoneaster | | |
Cotoneaster franchetii | FRANCHET'S COTONEASTER | Naturalized |
Cotoneaster frigidus | TREE COTONEASTER | Naturalized |
Cotoneaster hodjingensis | EARTHQUAKE COTONEASTER | Naturalized |
Cotoneaster horizontalis | WALL or HERRINGBONE COTONEASTER | Naturalized |
Cotoneaster integrifolius | ENTIRE-LEAVED COTONEASTER | Naturalized |
Cotoneaster lacteus | LATE COTONEASTER | Naturalized |
Cotoneaster microphyllus (Under Cotoneaster integrifolius) | | Misapplied name |
Cotoneaster pannosa (Under Cotoneaster pannosus) | | Orthographic variant |
Cotoneaster pannosus | SILVERLEAF COTONEASTER | Naturalized |
Cotoneaster simonsii | HIMALAYAN COTONEASTER | Naturalized |
Cotula ↳ Key to Cotula | | |
Cotula australis | AUSTRALIAN COTULA | Naturalized |
Cotula coronopifolia | BRASS-BUTTONS | Naturalized |
Cotyledon | | |
Cotyledon burnhamii (Under Sedum obtusatum) | | Synonym |
Cotyledon caespitosa var. paniculata (Under Dudleya cymosa subsp. paniculata) | | Synonym |
Cotyledon obtusata (Under Sedum obtusatum) | | Synonym |
Cotyledon orbiculata var. oblonga | | Naturalized |
Cotyledon retusa (Under Sedum sanhedrinum) | | Synonym |
Cotyledon yosemitensis (Under Sedum obtusatum) | | Synonym |
Crassula ↳ Key to Crassula | | |
Crassula aquatica | | Native |
Crassula argentea (Under Crassula ovata) | | Synonym |
Crassula colligata subsp. lamprosperma | | Naturalized |
Crassula connata | PYGMY-WEED | Native |
Crassula connata var. connata (Under Crassula connata) | | Synonym |
Crassula connata var. erectoides (Under Crassula connata) | | Synonym |
Crassula connata var. eremica (Under Crassula connata) | | Synonym |
Crassula connata var. subsimplex (Under Crassula connata) | | Synonym |
Crassula erecta (Under Crassula connata) | | Synonym |
Crassula multicava subsp. multicava | FAIRY CRASSULA | Waif |
Crassula ovata | JADE PLANT | Waif |
Crassula saginoides (Under Crassula aquatica) | | Synonym |
Crassula solieri | | Native |
Crassula tetragona | MINIATURE or CHINESE PINE-TREE | Naturalized |
Crassula tillaea | | Naturalized |
Crassulaceae ↳ Key to Crassulaceae | STONECROP FAMILY | |
Crataegus ↳ Key to Crataegus | HAWTHORN | |
Crataegus castlegarensis | | Native |
Crataegus columbiana (Under Crataegus douglasii) | | Synonym |
Crataegus douglasii | | Native |
Crataegus gaylussacia | | Native |
Crataegus monogyna | | Naturalized |
Crataegus suksdorfii (Under Crataegus gaylussacia) | | Synonym |
Crepis ↳ Key to Crepis | HAWKSBEARD | |
Crepis acuminata | | Native |
Crepis bakeri | | Native |
Crepis bakeri subsp. bakeri | | Native |
Crepis bakeri subsp. cusickii | | Native |
Crepis bakeri subsp. idahoensis | | Native |
Crepis barbata (Under Tolpis barbata) | | Synonym |
Crepis bursifolia | | Waif |
Crepis capillaris | | Naturalized |
Crepis geisseana (Under Malacothrix clevelandii) | | Synonym |
Crepis intermedia | | Native |
Crepis modocensis | | Native |
Crepis modocensis subsp. modocensis | | Native |
Crepis modocensis subsp. subacaulis | | Native |
Crepis monticola | | Native |
Crepis nana | | Native |
Crepis nana subsp. ramosa (Under Crepis nana) | | Synonym |
Crepis nana var. ramosa (Under Crepis nana) | | Synonym |
Crepis occidentalis | | Native |
Crepis occidentalis subsp. conjuncta | | Native |
Crepis occidentalis subsp. costata | | Native |
Crepis occidentalis subsp. occidentalis | | Native |
Crepis occidentalis subsp. pumila | | Native |
Crepis pleurocarpa | | Native |
Crepis pulchra | | Naturalized |
Crepis runcinata | | Native |
Crepis runcinata subsp. andersonii | | Native |
Crepis runcinata subsp. hallii | HALL'S MEADOW HAWKSBEARD | Native |
Crepis runcinata var. andersonii (Under Crepis runcinata subsp. andersonii) | | Synonym |
Crepis setosa | | Naturalized |
Crepis tectorum | | Naturalized |
Crepis vesicaria subsp. taraxacifolia | | Naturalized |
Cressa | | |
Cressa truxillensis | ALKALI WEED | Native |
Cressa truxillensis var. vallicola (Under Cressa truxillensis) | | Synonym |
Creusa tetragona (Under Crassula tetragona) | | Synonym |
Crocanthemum ↳ Key to Crocanthemum | SUN-ROSE, RUSH-ROSE | |
Crocanthemum aldersonii | ALDERSON'S RUSH-ROSE | Native |
Crocanthemum greenei | ISLAND RUSH-ROSE | Native |
Crocanthemum scoparium | PEAK RUSH-ROSE | Native |
Crocanthemum scoparium var. scoparium | | Native |
Crocanthemum scoparium var. vulgare | | Native |
Crocanthemum suffrutescens | BISBEE PEAK RUSH-ROSE | Native |
Crocidium | SPRING GOLD | |
Crocidium multicaule | | Native |
Crocosmia | | |
Crocosmia ×crocosmiiflora | | Naturalized |
Crossosoma ↳ Key to Crossosoma | | |
Crossosoma bigelovii | | Native |
Crossosoma californicum | CATALINA CROSSOSOMA | Native |
Crossosomataceae ↳ Key to Crossosomataceae | CROSSOSOMA FAMILY | |
Croton ↳ Key to Croton | | |
Croton californicus | | Native |
Croton californicus var. mohavensis (Under Croton californicus) | | Synonym |
Croton californicus var. tenuis (Under Croton californicus) | | Synonym |
Croton setiger | DOVEWEED, TURKEY-MULLEIN | Native |
Croton setigerus (Under Croton setiger) | | Orthographic variant |
Croton wigginsii | WIGGINS' CROTON | Native |
Crucianella | CROSS-WORT | |
Crucianella angustifolia | | Naturalized |
Crupina | | |
Crupina vulgaris | BEARDED CREEPER | Naturalized |
Crypsis ↳ Key to Crypsis | PRICKLE GRASS | |
Crypsis alopecuroides | FOXTAIL PRICKLE GRASS | Naturalized |
Crypsis niliaca (Under Crypsis vaginiflora) | | Synonym |
Crypsis schoenoides | SWAMP PRICKLE GRASS | Naturalized |
Crypsis vaginiflora | MODEST PRICKLE GRASS | Naturalized |
Cryptantha ↳ Key to Cryptantha | | |
Cryptantha abramsii (Under Cryptantha clevelandii) | | Synonym |
Cryptantha affinis | SIDE-GROOVED CRYPTANTHA | Native |
Cryptantha ambigua | WILKES' CRYPTANTHA | Native |
Cryptantha angelica (Under Johnstonella angelica) | | Synonym |
Cryptantha angustifolia (Under Johnstonella angustifolia) | | Synonym |
Cryptantha arenicola (Under Cryptantha nevadensis) | | Synonym |
Cryptantha barbigera | | Native |
Cryptantha barbigera var. barbigera | BEARDED CRYPTANTHA | Native |
Cryptantha barbigera var. fergusoniae | PALM SPRINGS CRYPTANTHA | Native |
Cryptantha bradburiana (Under Oreocarya glomerata) | | Synonym |
Cryptantha brandegeei (Under Cryptantha clevelandii) | | Synonym |
Cryptantha catalinensis | SANTA CATALINA ISLAND CRYPTANTHA | Native |
Cryptantha cinerea var. abortiva (Under Oreocarya abortiva) | | Synonym |
Cryptantha circumscissa (Under Greeneocharis circumscissa) | | Synonym |
Cryptantha circumscissa var. circumscissa (Under Greeneocharis circumscissa var. circumscissa) | | Synonym |
Cryptantha circumscissa var. hispida (Under Greeneocharis circumscissa var. circumscissa) | | Synonym |
Cryptantha circumscissa var. rosulata (Under Greeneocharis circumscissa var. rosulata) | | Synonym |
Cryptantha clementina | San Clemente Island Dune Cryptantha | Native |
Cryptantha clevelandii | | Native |
Cryptantha clevelandii var. brandegeei (Under Cryptantha clevelandii) | | Synonym |
Cryptantha clevelandii var. clevelandii | CLEVELAND'S CRYPTANTHA | Native |
Cryptantha clevelandii var. dissita (Under Cryptantha dissita) | | Synonym |
Cryptantha clevelandii var. florosa | COASTAL CRYPTANTHA | Native |
Cryptantha clevelandii var. hispidissima (Under Cryptantha hispidissima) | | Synonym |
Cryptantha clokeyi | CLOKEY'S CRYPTANTHA | Native |
Cryptantha confertiflora (Under Oreocarya confertiflora) | | Synonym |
Cryptantha corollata | COAST RANGE CRYPTANTHA | Native |
Cryptantha costata (Under Johnstonella costata) | | Synonym |
Cryptantha crinita | SILKY CRYPTANTHA | Native |
Cryptantha crymophila (Under Oreocarya crymophila) | | Synonym |
Cryptantha cycloptera | TUCSON CRYPTANTHA | Native |
Cryptantha decipiens | GRAVEL CRYPTANTHA | Native |
Cryptantha decipiens (Under Cryptantha rattanii) | | Misapplied name |
Cryptantha decipiens var. corollata (Under Cryptantha corollata) | | Synonym |
Cryptantha dissita | LAKE CRYPTANTHA | Native |
Cryptantha dumetorum | SCRAMBLING CRYPTANTHA | Native |
Cryptantha echinella | HEDGEHOG CRYPTANTHA | Native |
Cryptantha excavata | DEEP-SCARRED CRYPTANTHA | Native |
Cryptantha fendleri | SAND DUNE CRYPTANTHA | Native |
Cryptantha flaccida | WEAK-STEMMED or PALE CRYPTANTHA | Native |
Cryptantha flavoculata (Under Oreocarya flavoculata) | | Synonym |
Cryptantha ganderi | GANDER'S CRYPTANTHA | Native |
Cryptantha glomeriflora | CLUSTERED-FLOWER CRYPTANTHA | Native |
Cryptantha gracilis | SLENDER CRYPTANTHA | Native |
Cryptantha hanseni (Under Cryptantha intermedia var. intermedia) | | Synonym |
Cryptantha hendersonii | HENDERSON'S CRYPTANTHA | Native |
Cryptantha hispidissima | BRISTLY CRYPTANTHA | Native |
Cryptantha hispidula | NAPA CRYPTANTHA | Native |
Cryptantha hoffmannii (Under Oreocarya hoffmannii) | | Synonym |
Cryptantha holoptera (Under Johnstonella holoptera) | | Synonym |
Cryptantha hooveri | HOOVER'S CRYPTANTHA | Native |
Cryptantha humilis (Under Oreocarya humilis subsp. humilis) | | Synonym |
Cryptantha inaequata (Under Johnstonella inaequata) | | Synonym |
Cryptantha incana | TULARE CRYPTANTHA | Native |
Cryptantha intermedia | | Native |
Cryptantha intermedia var. hendersonii (Under Cryptantha hendersonii) | | Synonym |
Cryptantha intermedia var. intermedia | COMMON CRYPTANTHA | Native |
Cryptantha intermedia var. johnstonii | JOHNSTON'S CRYPTANTHA | Native |
Cryptantha intermedia var. rigida (Under Cryptantha juniperensis) | | Synonym |
Cryptantha juniperensis | RIGID CRYPTANTHA | Native |
Cryptantha kinkiensis | SAN CLEMENTE ISLAND UPLAND CRYPTANTHA | Native |
Cryptantha leiocarpa | BEACH CRYPTANTHA | Native |
Cryptantha leiocarpa var. hispidissima (Under Cryptantha hispidissima) | | Synonym |
Cryptantha mariposae | MARIPOSA CRYPTANTHA | Native |
Cryptantha maritima | GUADALUPE CRYPTANTHA | Native |
Cryptantha maritima var. maritima | GUADALUPE CRYPTANTHA | Native |
Cryptantha maritima var. pilosa | TUFTED HAIRED CRYPTANTHA | Native |
Cryptantha micrantha var. lepida (Under Eremocarya lepida) | | Synonym |
Cryptantha micrantha var. micrantha (Under Eremocarya micrantha var. micrantha) | | Synonym |
Cryptantha micromeres | MINUTE-FLOWERED CRYPTANTHA | Native |
Cryptantha microstachys | TEJON CRYPTANTHA | Native |
Cryptantha milobakeri | MILO BAKER'S CRYPTANTHA | Native |
Cryptantha mohavensis | MOJAVE CRYPTANTHA | Native |
Cryptantha muricata | | Native |
Cryptantha muricata var. clokeyi (Under Cryptantha clokeyi) | | Synonym |
Cryptantha muricata var. denticulata | PRICKLY-NUT CRYPTANTHA | Native |
Cryptantha muricata var. jonesii | JONES' CRYPTANTHA | Native |
Cryptantha muricata var. muricata | SHOWY PRICKLY-NUT CRYPTANTHA | Native |
Cryptantha nemaclada | COLUSA CRYPTANTHA | Native |
Cryptantha nevadensis | NEVADA CRYPTANTHA | Native |
Cryptantha nevadensis var. rigida (Under Cryptantha juniperensis) | | Synonym |
Cryptantha nubigena (Under Oreocarya nubigena) | | Synonym |
Cryptantha oxygona | SHARP-NUT CRYPTANTHA | Native |
Cryptantha pterocarya | | Native |
Cryptantha pterocarya var. cycloptera (Under Cryptantha cycloptera) | | Synonym |
Cryptantha pterocarya var. pterocarya | WINGED-NUT CRYPTANTHA | Native |
Cryptantha pterocarya var. purpusii | PURPUS' CRYPTANTHA | Native |
Cryptantha pterocarya var. stenoloba | NARROW-LOBED CRYPTANTHA | Native |
Cryptantha racemosa (Under Johnstonella racemosa) | | Synonym |
Cryptantha rattanii | RATTAN'S CRYPTANTHA | Native |
Cryptantha recurvata | CURVED-NUT CRYPTANTHA | Native |
Cryptantha roosiorum (Under Oreocarya roosiorum) | | Synonym |
Cryptantha rostellata | RED-STEMMED CRYPTANTHA | Native |
Cryptantha schoolcraftii (Under Oreocarya schoolcraftii) | | Synonym |
Cryptantha scoparia | SNAKE RIVER CRYPTANTHA | Native |
Cryptantha similis (Under Greeneocharis similis) | | Synonym |
Cryptantha simulans | PINE CRYPTANTHA | Native |
Cryptantha sobolifera (Under Oreocarya sobolifera) | | Synonym |
Cryptantha sparsiflora | FEW-FLOWERED CRYPTANTHA | Native |
Cryptantha spithamaea | TUOLUMNE CRYPTANTHA | Native |
Cryptantha subretusa (Under Oreocarya subretusa) | | Synonym |
Cryptantha torreyana | | Native |
Cryptantha torreyana var. pumila | DWARF CRYPTANTHA | Native |
Cryptantha torreyana var. scrutata (Under Cryptantha milobakeri) | | Synonym |
Cryptantha torreyana var. torreyana | NORTHERN CRYPTANTHA | Native |
Cryptantha traskiae | TRASK'S CRYPTANTHA | Native |
Cryptantha tumulosa (Under Oreocarya tumulosa) | | Synonym |
Cryptantha utahensis | SCENTED CRYPTANTHA | Native |
Cryptantha virginensis (Under Oreocarya virginensis) | | Synonym |
Cryptantha watsonii | WATSON'S CRYPTANTHA | Native |
Cryptantha wigginsii | WIGGINS'S CRYPTANTHA | Native |
Cryptogramma ↳ Key to Cryptogramma | PARSLEY FERN, ROCK-BRAKE | |
Cryptogramma acrostichoides | AMERICAN PARSLEY FERN | Native |
Cryptogramma cascadensis | CASCADE PARSLEY FERN | Native |
Cucumis ↳ Key to Cucumis | CUCUMBER, MELON | |
Cucumis melo var. dudaim | DUDAIM MELON | Naturalized |
Cucumis myriocarpus | PADDY MELON | Naturalized |
Cucurbita ↳ Key to Cucurbita | GOURD, FIELD PUMPKIN, SQUASH | |
Cucurbita californica (Under Cucurbita palmata) | | Synonym |
Cucurbita digitata | FINGER-LEAVED GOURD | Native |
Cucurbita foetidissima | BUFFALO GOURD, CALABAZILLA | Native |
Cucurbita palmata | COYOTE MELON | Native |
Cucurbita pepo var. pepo | CALABAZA, FIELD PUMPKIN | Naturalized |
Cucurbitaceae ↳ Key to Cucurbitaceae | GOURD FAMILY | |
Cuniculotinus | PANAMINT ROCK-GOLDENROD | |
Cuniculotinus gramineus | | Native |
Cupressaceae ↳ Key to Cupressaceae | CYPRESS FAMILY | |
Cupressus abramsiana (Under Hesperocyparis abramsiana) | | Synonym |
Cupressus abramsiana subsp. butanoensis (Under Hesperocyparis abramsiana var. butanoensis) | | Synonym |
Cupressus abramsiana subsp. locatellii (Under Hesperocyparis abramsiana) | | Synonym |
Cupressus abramsiana subsp. neolomondensis (Under Hesperocyparis abramsiana) | | Synonym |
Cupressus abramsiana subsp. opleri (Under Hesperocyparis abramsiana) | | Synonym |
Cupressus arizonica subsp. arizonica (Under Hesperocyparis stephensonii) | | Misapplied name |
Cupressus arizonica subsp. nevadensis (Under Hesperocyparis nevadensis) | | Synonym |
Cupressus arizonica subsp. revealiana (Under Hesperocyparis stephensonii) | | Synonym |
Cupressus arizonica subsp. stephensonii (Under Hesperocyparis stephensonii) | | Synonym |
Cupressus arizonica var. glabra (Under Hesperocyparis stephensonii) | | Misapplied name |
Cupressus arizonica var. nevadensis (Under Hesperocyparis nevadensis) | | Synonym |
Cupressus arizonica var. revealiana (Under Hesperocyparis stephensonii) | | Synonym |
Cupressus arizonica var. stephensonii (Under Hesperocyparis stephensonii) | | Synonym |
Cupressus bakeri (Under Hesperocyparis bakeri) | | Synonym |
Cupressus bakeri subsp. bakeri (Under Hesperocyparis bakeri) | | Synonym |
Cupressus bakeri subsp. matthewsii (Under Hesperocyparis bakeri) | | Synonym |
Cupressus butanoensis (Under Hesperocyparis abramsiana var. butanoensis) | | Synonym |
Cupressus forbesii (Under Hesperocyparis forbesii) | | Synonym |
Cupressus goveniana (Under Hesperocyparis goveniana) | | Synonym |
Cupressus goveniana subsp. gibsonensis (Under Hesperocyparis goveniana) | | Synonym |
Cupressus goveniana subsp. goveniana (Under Hesperocyparis goveniana) | | Synonym |
Cupressus goveniana subsp. pigmaea (Under Hesperocyparis pigmaea) | | Synonym |
Cupressus goveniana subsp. pygmaea (Under Hesperocyparis pigmaea) | | Orthographic variant |
Cupressus goveniana subsp. pygmaea (Under Hesperocyparis pigmaea) | | Superfluous name |
Cupressus goveniana subsp. pygmaea (Under Hesperocyparis pigmaea) | | Orthographic variant |
Cupressus goveniana var. pygmaea (Under Hesperocyparis pigmaea) | | Orthographic variant |
Cupressus goveniana var. pygmaea (Under Hesperocyparis pigmaea) | | Orthographic variant |
Cupressus guadalupensis var. forbesii (Under Hesperocyparis forbesii) | | Synonym |
Cupressus lawsoniana (Under Chamaecyparis lawsoniana) | | Synonym |
Cupressus macnabiana (Under Hesperocyparis macnabiana) | | Synonym |
Cupressus macnabiana var. nevadensis (Under Hesperocyparis nevadensis) | | Synonym |
Cupressus macrocarpa (Under Hesperocyparis macrocarpa) | | Synonym |
Cupressus macrocarpa subsp. lobosensis (Under Hesperocyparis macrocarpa) | | Synonym |
Cupressus nevadensis (Under Hesperocyparis nevadensis) | | Synonym |
Cupressus nootkatensis (Under Callitropsis nootkatensis) | | Synonym |
Cupressus pygmaea (Under Hesperocyparis pigmaea) | | Orthographic variant |
Cupressus revealiana (Under Hesperocyparis stephensonii) | | Synonym |
Cupressus sargentii (Under Hesperocyparis sargentii) | | Synonym |
Cupressus sargentii var. duttonii (Under Hesperocyparis sargentii) | | Synonym |
Cupressus stephensonii (Under Hesperocyparis stephensonii) | | Synonym |
Cuscuta ↳ Key to Cuscuta | DODDER | |
Cuscuta approximata | ALFALFA DODDER | Naturalized |
Cuscuta approximata var. urceolata (Under Cuscuta approximata) | | Synonym |
Cuscuta brachycalyx | | Native |
Cuscuta brachycalyx var. apodanthera (Under Cuscuta brachycalyx) | | Synonym |
Cuscuta californica | CHAPARRAL DODDER | Native |
Cuscuta californica var. apiculata | | Native |
Cuscuta californica var. apodanthera (Under Cuscuta brachycalyx) | | Synonym |
Cuscuta californica var. breviflora (Under Cuscuta occidentalis) | | Synonym |
Cuscuta californica var. californica | | Native |
Cuscuta californica var. papillosa | | Native |
Cuscuta campestris | FIELD DODDER | Native |
Cuscuta cephalanthi | BUTTONBUSH DODDER | Native |
Cuscuta cupulata (Under Cuscuta approximata) | | Synonym |
Cuscuta denticulata | SMALL-TOOTH DODDER | Native |
Cuscuta formosana (Under Cuscuta japonica var. formosana) | | Synonym |
Cuscuta hispidula (Under Cuscuta indecora var. indecora) | | Synonym |
Cuscuta howelliana | BOGGS LAKE DODDER | Native |
Cuscuta indecora var. bifida (Under Cuscuta indecora var. indecora) | | Synonym |
Cuscuta indecora var. indecora | LARGE-SEEDED DODDER | Native |
Cuscuta indecora var. neuropetala (Under Cuscuta indecora var. indecora) | | Synonym |
Cuscuta japonica var. formosana | JAPANESE DODDER | Urban weed expected in wildlands |
Cuscuta jepsonii | | Native |
Cuscuta neuropetala (Under Cuscuta indecora var. indecora) | | Synonym |
Cuscuta nevadensis | | Native |
Cuscuta obtusiflora var. glandulosa | | Native |
Cuscuta occidentalis | | Native |
Cuscuta pacifica | GOLDENTHREAD | Native |
Cuscuta pacifica var. pacifica | | Native |
Cuscuta pacifica var. papillata | | Native |
Cuscuta pentagona var. calycina (Under Cuscuta campestris) | | Synonym |
Cuscuta reflexa | GIANT DODDER | Extirpated weed |
Cuscuta salina | SALT DODDER | Native |
Cuscuta salina var. acuminata (Under Cuscuta suksdorfii) | | Synonym |
Cuscuta salina var. apoda (Under Cuscuta nevadensis) | | Synonym |
Cuscuta salina var. major (Under Cuscuta pacifica var. pacifica) | | Synonym |
Cuscuta salina var. papillata (Under Cuscuta pacifica var. papillata) | | Synonym |
Cuscuta suaveolens | FRINGED DODDER | Naturalized |
Cuscuta subinclusa | | Native |
Cuscuta subinclusa var. abbreviata (Under Cuscuta pacifica var. pacifica) | | Synonym |
Cuscuta suksdorfii | MOUNTAIN DODDER | Native |
Cuscuta suksdorfii var. subpedicellata (Under Cuscuta suksdorfii) | | Synonym |
Cuscuta suksdorfii var. suksdorfii (Under Cuscuta suksdorfii) | | Synonym |
Cuscuta veatchii | | Native |
Cuscuta veatchii var. apoda (Under Cuscuta nevadensis) | | Synonym |
Cuscuta vivipara (Under Cuscuta nevadensis) | | Synonym ined. |
Cusickiella ↳ Key to Cusickiella | | |
Cusickiella douglasii | | Native |
Cusickiella quadricostata | BODIE HILLS CUSICKIELLA | Native |
Cyanopsis muricata (Under Volutaria muricata) | | Synonym |
Cyathea cooperi (Under Sphaeropteris cooperi) | | Synonym |
Cyatheaceae | CLIFF FERN FAMILY | |
Cycladenia | | |
Cycladenia humilis ↳ Key to Cycladenia humilis | | Native |
Cycladenia humilis var. humilis | | Native |
Cycladenia humilis var. jonesii | | Native |
Cycladenia humilis var. tomentosa (Under Cycladenia humilis var. humilis) | | Synonym |
Cycladenia humilis var. venusta | | Native |
Cycladenia venusta (Under Cycladenia humilis var. venusta) | | Synonym |
Cycloloma | WINGED PIGWEED | |
Cycloloma atriplicifolium | | Naturalized |
Cyclospermum | | |
Cyclospermum leptophyllum | | Naturalized |
Cylindropuntia ↳ Key to Cylindropuntia | CHOLLA | |
Cylindropuntia ×fosbergii (Under Cylindropuntia fosbergii) | | Synonym |
Cylindropuntia ×munzii (Under Cylindropuntia munzii) | | Synonym |
Cylindropuntia ×wigginsii (Under Cylindropuntia echinocarpa) | | Synonym |
Cylindropuntia acanthocarpa var. acanthocarpa | BUCKHORN CHOLLA | Native |
Cylindropuntia acanthocarpa var. coloradensis (Under Cylindropuntia acanthocarpa var. acanthocarpa) | | Synonym |
Cylindropuntia bernardina | CANE or VALLEY CHOLLA | Native |
Cylindropuntia bigelovii | TEDDY-BEAR CHOLLA | Native |
Cylindropuntia californica var. californica | SNAKE CHOLLA | Native |
Cylindropuntia californica var. parkeri (Under Cylindropuntia bernardina) | | Synonym |
Cylindropuntia chuckwallensis | CHUCKWALLA CHOLLA | Native |
Cylindropuntia echinocarpa | SILVER or GOLDEN CHOLLA | Native |
Cylindropuntia fosbergii | FOSBERG'S OR MASON VALLEY CHOLLA | Native |
Cylindropuntia ganderi | GANDER'S CHOLLA | Native |
Cylindropuntia munzii | MUNZ'S CHOLLA | Native |
Cylindropuntia prolifera | COAST CHOLLA | Native |
Cylindropuntia ramosissima | DIAMOND CHOLLA, PENCIL CACTUS | Native |
Cylindropuntia wigginsii (Under Cylindropuntia echinocarpa) | | Synonym |
Cylindropuntia wolfii | WOLF'S CHOLLA | Native |
Cymbalaria | | |
Cymbalaria muralis | KENILWORTH IVY | Naturalized |
Cymopterus ↳ Key to Cymopterus | | |
Cymopterus aboriginum | | Native |
Cymopterus cinerarius | | Native |
Cymopterus deserticola | DESERT CYMOPTERUS | Native |
Cymopterus gilmanii | GILMAN'S CYMOPTERUS | Native |
Cymopterus globosus | GLOBOSE CYMOPTERUS | Native |
Cymopterus multinervatus | PURPLE-NERVE CYMOPTERUS | Native |
Cymopterus panamintensis | | Native |
Cymopterus panamintensis var. acutifolius | | Native |
Cymopterus panamintensis var. panamintensis | | Native |
Cymopterus purpurascens | | Native |
Cymopterus ripleyi | RIPLEY'S CYMOPTERUS | Native |
Cymopterus ripleyi var. saniculoides (Under Cymopterus ripleyi) | | Synonym |
Cymopterus terebinthinus | | Native |
Cymopterus terebinthinus var. californicus | | Native |
Cymopterus terebinthinus var. petraeus | | Native |
Cynanchum utahense (Under Funastrum utahense) | | Synonym |
Cynara | | |
Cynara cardunculus ↳ Key to Cynara cardunculus | | Naturalized |
Cynara cardunculus subsp. cardunculus | ARTICHOKE | Naturalized |
Cynara cardunculus subsp. flavescens | | Naturalized |
Cynara scolymus (Under Cynara cardunculus subsp. cardunculus) | | Synonym |
Cynodon | BERMUDA GRASS, DOG'S-TOOTH GRASS | |
Cynodon dactylon | BERMUDA GRASS | Naturalized |
Cynoglossum | HOUND'S TONGUE | |
Cynoglossum grande (Under Adelinia grandis) | | Synonym |
Cynoglossum occidentale (Under Andersonglossum occidentale) | | Synonym |
Cynoglossum officinale | COMMON HOUND'S TONGUE | Naturalized |
Cynosurus ↳ Key to Cynosurus | DOGTAIL GRASS | |
Cynosurus cristatus | CRESTED DOGTAIL GRASS | Naturalized |
Cynosurus echinatus | BRISTLY DOGTAIL GRASS | Naturalized |
Cyperaceae ↳ Key to Cyperaceae | SEDGE FAMILY | |
Cyperus ↳ Key to Cyperus | FLATSEDGE, NUTSEDGE, GALINGALE | |
Cyperus acuminatus | | Native |
Cyperus albomarginatus (Under Cyperus flavicomus) | | Synonym |
Cyperus aristatus (Under Cyperus squarrosus) | | Synonym |
Cyperus bipartitus | | Native |
Cyperus diandrus var. castaneus (Under Cyperus niger) | | Synonym |
Cyperus difformis | | Naturalized |
Cyperus eragrostis | | Native |
Cyperus erythrorhizos | | Native |
Cyperus esculentus | | Native |
Cyperus esculentus var. heermannii | | Native |
Cyperus esculentus var. leptostachyus | | Native |
Cyperus esculentus var. macrostachyus | | Native |
Cyperus ferax (Under Cyperus odoratus) | | Synonym |
Cyperus flavescens | | Naturalized |
Cyperus flavescens var. poiformis (Under Cyperus flavescens) | | Synonym |
Cyperus flavicomus | | Naturalized |
Cyperus fuscus | | Naturalized |
Cyperus hansenii (Under Cyperus strigosus) | | Synonym |
Cyperus inflexus (Under Cyperus squarrosus) | | Synonym |
Cyperus involucratus | | Naturalized |
Cyperus iria | | Naturalized |
Cyperus laevigatus | | Native |
Cyperus niger | | Native |
Cyperus niger var. capitatus (Under Cyperus niger) | | Synonym |
Cyperus niger var. castaneus (Under Cyperus bipartitus) | | Synonym |
Cyperus niger var. castaneus (Under Cyperus niger) | | Synonym |
Cyperus odoratus | | Native |
Cyperus parishii | | Native |
Cyperus rivularis (Under Cyperus bipartitus) | | Synonym |
Cyperus rotundus | PURPLE NUTSEDGE | Naturalized |
Cyperus squarrosus | | Native |
Cyperus strigosus | FALSE NUTSEDGE | Native |
Cyperus tenellus (Under Isolepis levynsiana) | | Synonym |
Cypripedium ↳ Key to Cypripedium | LADY'S-SLIPPER | |
Cypripedium californicum | CALIFORNIA LADY'S-SLIPPER | Native |
Cypripedium fasciculatum | CLUSTERED LADY'S-SLIPPER | Native |
Cypripedium montanum | MOUNTAIN LADY'S-SLIPPER | Native |
Cypripedium parviflorum var. makasin | NORTHERN SMALL YELLOW LADY'S-SLIPPER | Native |
Cypselea | | |
Cypselea humifusa | | Naturalized |
Cyrtomium | HOLLY FERN | |
Cyrtomium falcatum | | Naturalized |
Cystopteridaceae | FRAGILE FERN FAMILY | |
Cystopteris | FRAGILE FERN | |
Cystopteris fragilis | | Native |
Cytisus ↳ Key to Cytisus | | |
Cytisus canariensis (Under Genista canariensis) | | Synonym |
Cytisus linifolius (Under Genista linifolia) | | Synonym |
Cytisus maderensis (Under Genista maderensis) | | Synonym |
Cytisus monspessulanus (Under Genista monspessulana) | | Synonym |
Cytisus multiflorus | SPANISH or PORTUGUESE BROOM | Naturalized |
Cytisus proliferus | TREE LUCERNE | Naturalized |
Cytisus scoparius | SCOTCH BROOM | Naturalized |
Cytisus scoparius var. andreanus (Under Cytisus scoparius) | | Synonym |
Cytisus scoparius var. scoparius (Under Cytisus scoparius) | | Synonym |
Cytisus striatus | | Naturalized |
Dactylis | ORCHARD GRASS | |
Dactylis glomerata | | Naturalized |
Dactyloctenium | | |
Dactyloctenium aegyptium | DURBAN CROWFOOT | Naturalized |
Dalea ↳ Key to Dalea | | |
Dalea arborescens (Under Psorothamnus arborescens var. arborescens) | | Synonym |
Dalea californica (Under Psorothamnus arborescens var. simplicifolius) | | Synonym |
Dalea emoryi (Under Psorothamnus emoryi) | | Synonym |
Dalea fremontii (Under Psorothamnus fremontii var. fremontii) | | Synonym |
Dalea fremontii var. minutifolia (Under Psorothamnus arborescens var. minutifolius) | | Synonym |
Dalea fremontii var. saundersii (Under Psorothamnus arborescens var. arborescens) | | Synonym |
Dalea mollis | | Native |
Dalea mollissima | | Native |
Dalea ornata | ORNATE DALEA | Native |
Dalea parryi (Under Marina parryi) | | Synonym |
Dalea polydenia (Under Psorothamnus polydenius) | | Synonym |
Dalea schottii (Under Psorothamnus schottii) | | Synonym |
Dalea schottii var. puberula (Under Psorothamnus schottii) | | Synonym |
Dalea searlsiae | | Native |
Dalea spinosa (Under Psorothamnus spinosus) | | Synonym |
Damasonium | | |
Damasonium californicum | | Native |
Danthonia ↳ Key to Danthonia | OAT GRASS | |
Danthonia californica | CALIFORNIA OAT GRASS | Native |
Danthonia californica var. americana (Under Danthonia californica) | | Synonym |
Danthonia californica var. californica (Under Danthonia californica) | | Synonym |
Danthonia decumbens | MOUNTAIN HEATH GRASS | Waif |
Danthonia intermedia subsp. intermedia | INTERMEDIATE OAT GRASS | Native |
Danthonia pilosa (Under Rytidosperma penicillatum) | | Misapplied name |
Danthonia racemosa (Under Rytidosperma racemosum) | | Synonym |
Danthonia unispicata | ONE-SPIKE OAT GRASS | Native |
Darlingtonia | CALIFORNIA PITCHER-PLANT | |
Darlingtonia californica | | Native |
Darlingtonia rediviva (Under Styrax redivivus) | | Synonym |
Darmera | UMBRELLA PLANT | |
Darmera peltata | | Native |
Dasiphora | | |
Dasiphora fruticosa | SHRUBBY CINQUEFOIL | Native |
Dasyochloa | FLUFF GRASS | |
Dasyochloa pulchella | | Native |
Datisca | | |
Datisca glomerata | DURANGO ROOT | Native |
Datiscaceae | DATISCA FAMILY | |
Datura ↳ Key to Datura | JIMSON WEED | |
Datura discolor | | Native |
Datura ferox | | Naturalized |
Datura meteloides (Under Datura wrightii) | | Synonym |
Datura stramonium | | Naturalized |
Datura stramonium var. tatula (Under Datura stramonium) | | Synonym |
Datura wrightii | | Native |
Daucus ↳ Key to Daucus | | |
Daucus carota | CARROT, QUEEN ANNE'S LACE | Naturalized |
Daucus pusillus | | Native |
Dedeckera | | |
Dedeckera eurekensis | JULY GOLD | Native |
Deinandra ↳ Key to Deinandra | TARWEED, TARPLANT | |
Deinandra arida | RED ROCK TARPLANT | Native |
Deinandra bacigalupii | LIVERMORE TARPLANT | Native |
Deinandra clementina | ISLAND TARPLANT | Native |
Deinandra conjugens | OTAY TARPLANT | Native |
Deinandra corymbosa | | Native |
Deinandra corymbosa subsp. macrocephala (Under Deinandra corymbosa) | | Synonym |
Deinandra fasciculata | | Native |
Deinandra floribunda | TECATE TARPLANT | Native |
Deinandra halliana | HALL'S TARPLANT | Native |
Deinandra increscens | | Native |
Deinandra increscens subsp. foliosa (Under Deinandra paniculata) | | Synonym |
Deinandra increscens subsp. increscens | | Native |
Deinandra increscens subsp. villosa | GAVIOTA TARPLANT | Native |
Deinandra kelloggii | | Native |
Deinandra lobbii | | Native |
Deinandra minthornii | SANTA SUSANA TARPLANT | Native |
Deinandra mohavensis | MOJAVE TARPLANT | Native |
Deinandra pallida | | Native |
Deinandra paniculata | PANICULATE TARPLANT | Native |
Deinandra pentactis | | Native |
Delairea | CAPE IVY, GERMAN IVY | |
Delairea odorata | | Naturalized |
Delosperma | | |
Delosperma litorale | | Naturalized |
Delphinium ↳ Key to Delphinium | LARKSPUR | |
Delphinium amabile (Under Delphinium parishii subsp. parishii) | | Synonym |
Delphinium amabile subsp. apachense (Under Delphinium parishii subsp. parishii) | | Synonym |
Delphinium andersonii | ANDERSON'S LARKSPUR | Native |
Delphinium andersonii subsp. cognatum (Under Delphinium andersonii) | | Synonym |
Delphinium andersonii var. scaposum (Under Delphinium scaposum) | | Synonym |
Delphinium antoninum | ANTHONY PEAK LARKSPUR | Native |
Delphinium armeniacum (Under Delphinium nudicaule) | | Illegitimate name |
Delphinium bakeri | BAKER'S LARKSPUR | Native |
Delphinium blochmaniae (Under Delphinium parryi subsp. blochmaniae) | | Synonym |
Delphinium californicum | | Native |
Delphinium californicum subsp. californicum | COAST or CALIFORNIA LARKSPUR | Native |
Delphinium californicum subsp. interius | HOSPITAL CANYON LARKSPUR | Native |
Delphinium californicum var. interius (Under Delphinium californicum subsp. interius) | | Synonym |
Delphinium cardinale | CARDINAL or SCARLET LARKSPUR | Native |
Delphinium cuyamacae (Under Delphinium hesperium subsp. cuyamacae) | | Synonym |
Delphinium cyanoreios (Under Delphinium depauperatum) | | Synonym |
Delphinium decorum | | Native |
Delphinium decorum subsp. decorum | COAST LARKSPUR | Native |
Delphinium decorum subsp. tracyi | TRACY'S LARKSPUR | Native |
Delphinium decorum var. nevadense (Under Delphinium andersonii) | | Synonym |
Delphinium decorum var. patens (Under Delphinium patens subsp. patens) | | Synonym |
Delphinium depauperatum | DWARF, BLUE MOUNTAIN, or MOUNTAIN LARKSPUR | Native |
Delphinium diversifolium (Under Delphinium depauperatum) | | Synonym |
Delphinium diversifolium subsp. harneyense (Under Delphinium depauperatum) | | Synonym |
Delphinium emiliae (Under Delphinium variegatum subsp. variegatum) | | Synonym |
Delphinium glaucum | MOUNTAIN, GIANT, or TALL LARKSPUR | Native |
Delphinium gracilentum | SLENDER or GREENE'S LARKSPUR | Native |
Delphinium gypsophilum | GYPSUM-LOVING LARKSPUR | Native |
Delphinium gypsophilum subsp. gypsophilum (Under Delphinium gypsophilum) | | Synonym |
Delphinium gypsophilum subsp. parviflorum (Under Delphinium gypsophilum) | | Synonym |
Delphinium hansenii | | Native |
Delphinium hansenii subsp. arcuatum (Under Delphinium hansenii subsp. hansenii) | | Synonym |
Delphinium hansenii subsp. ewanianum | EWAN'S LARKSPUR | Native |
Delphinium hansenii subsp. hansenii | HANSEN'S LARKSPUR | Native |
Delphinium hansenii subsp. kernense | KERN COUNTY LARKSPUR | Native |
Delphinium hansenii var. arcuatum (Under Delphinium hansenii subsp. hansenii) | | Synonym |
Delphinium hansenii var. kernense (Under Delphinium hansenii subsp. kernense) | | Synonym |
Delphinium hesperium | | Native |
Delphinium hesperium f. pallescens (Under Delphinium hesperium subsp. pallescens) | | Synonym |
Delphinium hesperium subsp. cuyamacae | CUYAMACA LARKSPUR | Native |
Delphinium hesperium subsp. hesperium | WESTERN LARKSPUR | Native |
Delphinium hesperium subsp. pallescens | PALE-FLOWERED WESTERN LARKSPUR | Native |
Delphinium hesperium var. hansenii (Under Delphinium hansenii subsp. hansenii) | | Synonym |
Delphinium hesperium var. seditiosum (Under Delphinium parryi subsp. parryi) | | Synonym |
Delphinium hutchinsoniae | HUTCHINSON'S LARKSPUR | Native |
Delphinium inopinum | UNEXPECTED LARKSPUR | Native |
Delphinium kinkiense (Under Delphinium variegatum subsp. kinkiense) | | Synonym |
Delphinium luteum | GOLDEN LARKSPUR | Native |
Delphinium nudicaule | RED or ORANGE LARKSPUR | Native |
Delphinium nuttallianum | DWARF, MEADOW, SLIM, or SONNE'S LARKSPUR | Native |
Delphinium nuttallianum var. fulvum (Under Delphinium nuttallianum) | | Synonym |
Delphinium nuttallianum var. levicaule (Under Delphinium nuttallianum) | | Synonym |
Delphinium parishii | | Native |
Delphinium parishii subsp. pallidum | PALE-FLOWERED PARISH'S LARKSPUR | Native |
Delphinium parishii subsp. parishii | PARISH'S, DESERT, SKY BLUE, or MOJAVE LARKSPUR | Native |
Delphinium parishii subsp. purpureum (Under Delphinium parryi subsp. purpureum) | | Synonym |
Delphinium parishii subsp. subglobosum | COLORADO DESERT LARKSPUR | Native |
Delphinium parishii var. inopinum (Under Delphinium inopinum) | | Synonym |
Delphinium parishii var. pallidum (Under Delphinium parishii subsp. pallidum) | | Synonym |
Delphinium parryi | | Native |
Delphinium parryi subsp. blochmaniae | DUNE LARKSPUR | Native |
Delphinium parryi subsp. eastwoodiae | EASTWOOD'S LARKSPUR | Native |
Delphinium parryi subsp. maritimum | MARITIME LARKSPUR | Native |
Delphinium parryi subsp. parryi | PARRY'S LARKSPUR | Native |
Delphinium parryi subsp. purpureum | MOUNT PINOS LARKSPUR | Native |
Delphinium parryi subsp. seditiosum (Under Delphinium parryi subsp. parryi) | | Synonym |
Delphinium parryi var. maritimum (Under Delphinium parryi subsp. maritimum) | | Synonym |
Delphinium parryi var. montanum (Under Delphinium patens subsp. montanum) | | Synonym |
Delphinium patens | SPREADING or ZIGZAG LARKSPUR | Native |
Delphinium patens subsp. greenei (Under Delphinium gracilentum) | | Synonym |
Delphinium patens subsp. hepaticoideum | | Native |
Delphinium patens subsp. montanum | | Native |
Delphinium patens subsp. patens | | Native |
Delphinium pauciflorum (Under Delphinium nuttallianum) | | Illegitimate name |
Delphinium polycladon | HIGH MOUNTAIN LARKSPUR | Native |
Delphinium pratense (Under Delphinium gracilentum) | | Synonym |
Delphinium purpusii | ROSE-FLOWERED LARKSPUR | Native |
Delphinium recurvatum | RECURVED LARKSPUR | Native |
Delphinium scaposum | BARE-STEM LARKSPUR | Native |
Delphinium scopularum var. stachydeum (Under Delphinium stachydeum) | | Synonym |
Delphinium scopulorum var. glaucum (Under Delphinium glaucum) | | Synonym |
Delphinium scopulorum var. luporum (Under Delphinium polycladon) | | Synonym |
Delphinium sonnei (Under Delphinium nuttallianum) | | Synonym |
Delphinium splendens (Under Delphinium glaucum) | | Synonym |
Delphinium stachydeum | SPIKED LARKSPUR | Native |
Delphinium subglobosum (Under Delphinium parishii subsp. subglobosum) | | Synonym |
Delphinium trolliifolium | COW POISON, POISON LARKSPUR | Native |
Delphinium uliginosum | SWAMP LARKSPUR | Native |
Delphinium umatillense (Under Delphinium stachydeum) | | Synonym |
Delphinium umbraculorum | UMBRELLA LARKSPUR | Native |
Delphinium variegatum | ROYAL LARKSPUR | Native |
Delphinium variegatum subsp. apiculatum (Under Delphinium variegatum subsp. variegatum) | | Synonym |
Delphinium variegatum subsp. kinkiense | SAN CLEMENTE ISLAND LARKSPUR | Native |
Delphinium variegatum subsp. thornei | THORNE'S ROYAL LARKSPUR | Native |
Delphinium variegatum subsp. variegatum | | Native |
Delphinium variegatum var. apiculatum (Under Delphinium variegatum subsp. variegatum) | | Synonym |
Demidovia tetragonoides (Under Tetragonia tetragonoides) | | Synonym |
Dendromecon ↳ Key to Dendromecon | TREE POPPY | |
Dendromecon flexile (Under Dendromecon harfordii) | | Synonym |
Dendromecon harfordii | CHANNEL ISLAND TREE POPPY | Native |
Dendromecon harfordii var. harfordii (Under Dendromecon harfordii) | | Synonym |
Dendromecon harfordii var. rhamnoides (Under Dendromecon harfordii) | | Synonym |
Dendromecon herbacea (Under Dendromecon rigida) | | Synonym |
Dendromecon rhamnoides (Under Dendromecon harfordii) | | Synonym |
Dendromecon rigida | BUSH POPPY | Native |
Dendromecon rigida subsp. harfordii (Under Dendromecon harfordii) | | Synonym |
Dendromeda rigida subsp. rhamnoides (Under Dendromecon harfordii) | | Synonym |
Dennstaedtiaceae | BRACKEN FAMILY | |
Dentaria californica (Under Cardamine californica) | | Synonym |
Dentaria californica var. cardiophylla (Under Cardamine californica) | | Synonym |
Dentaria californica var. cuneata (Under Cardamine californica) | | Synonym |
Dentaria californica var. integrifolia (Under Cardamine californica) | | Synonym |
Dentaria californica var. sinuata (Under Cardamine californica) | | Synonym |
Dentaria corymbosa (Under Cardamine pachystigma) | | Illegitimate name |
Dentaria corymbosa var. grata (Under Cardamine pachystigma) | | Illegitimate name |
Dentaria gemmata (Under Cardamine nuttallii) | | Synonym |
Dentaria pachystigma (Under Cardamine pachystigma) | | Synonym |
Dentaria pachystigma var. dissectifolia (Under Cardamine californica) | | Synonym |
Dentaria tenella var. palmata (Under Cardamine nuttallii) | | Synonym |
Deschampsia ↳ Key to Deschampsia | HAIR GRASS | |
Deschampsia atropurpurea (Under Vahlodea atropurpurea) | | Synonym |
Deschampsia beringensis (Under Deschampsia cespitosa subsp. beringensis) | | Synonym |
Deschampsia cespitosa | TUFTED HAIR GRASS | Native |
Deschampsia cespitosa subsp. beringensis | | Native |
Deschampsia cespitosa subsp. cespitosa | | Native |
Deschampsia cespitosa subsp. holciformis | | Native |
Deschampsia danthonioides | ANNUAL HAIR GRASS | Native |
Deschampsia elongata | SLENDER HAIR GRASS | Native |
Deschampsia holciformis (Under Deschampsia cespitosa subsp. holciformis) | | Synonym |
Descurainia ↳ Key to Descurainia | TANSY MUSTARD | |
Descurainia adenophora | | Native |
Descurainia californica | | Native |
Descurainia incana | | Native |
Descurainia incisa subsp. filipes (Under Descurainia longipedicellata) | | Synonym |
Descurainia incisa subsp. incisa | | Native |
Descurainia longipedicellata | | Native |
Descurainia nelsonii | | Native |
Descurainia obtusa subsp. adenophora (Under Descurainia adenophora) | | Synonym |
Descurainia paradisa | | Native |
Descurainia paradisa subsp. nevadensis (Under Descurainia paradisa) | | Synonym |
Descurainia pinnata | | Native |
Descurainia pinnata subsp. brachycarpa | | Native |
Descurainia pinnata subsp. filipes (Under Descurainia longipedicellata) | | Synonym |
Descurainia pinnata subsp. glabra | | Native |
Descurainia pinnata subsp. ochroleuca | | Native |
Descurainia pinnata subsp. paradisa (Under Descurainia paradisa) | | Synonym |
Descurainia richardsonii (Under Descurainia incana) | | Illegitimate name |
Descurainia richardsonii subsp. incisa (Under Descurainia incisa subsp. incisa) | | Synonym |
Descurainia richardsonii subsp. viscosa (Under Descurainia incana) | | Synonym |
Descurainia sophia | | Naturalized |
Desmazeria | | |
Desmazeria rigida | | Naturalized |
Dianthus ↳ Key to Dianthus | CARNATION, PINK | |
Dianthus armeria subsp. armeria | GRASS PINK, DEPTFORD PINK | Naturalized |
Dianthus barbatus subsp. barbatus | SWEET-WILLIAM | Naturalized |
Dianthus deltoides subsp. deltoides | MAIDEN PINK, MEADOW PINK | Naturalized |
Dianthus nudiflorus | | Naturalized |
Dianthus plumarius subsp. plumarius | GARDEN or COTTAGE PINK | Waif |
Dianthus prolifer (Under Petrorhagia prolifera) | | Synonym |
Dicentra ↳ Key to Dicentra | | |
Dicentra chrysantha (Under Ehrendorferia chrysantha) | | Synonym |
Dicentra formosa | PACIFIC BLEEDING HEART | Native |
Dicentra nevadensis | TULARE COUNTY BLEEDING HEART | Native |
Dicentra ochroleuca (Under Ehrendorferia ochroleuca) | | Synonym |
Dicentra pauciflora | | Native |
Dicentra uniflora | STEER'S HEAD | Native |
Dichanthelium acuminatum (Under Panicum acuminatum) | | Synonym |
Dichanthelium acuminatum subsp. fasciculatum (Under Panicum acuminatum var. fasciculatum) | | Synonym |
Dichanthelium acuminatum subsp. lindheimeri (Under Panicum acuminatum var. lindheimeri) | | Synonym |
Dichanthelium acuminatum subsp. thermale (Under Panicum acuminatum var. thermale) | | Synonym |
Dichanthelium lanuginosum var. thermale (Under Panicum acuminatum var. thermale) | | Synonym |
Dichanthelium oligosanthes subsp. scribnerianum (Under Panicum oligosanthes var. scribnerianum) | | Synonym |
Dichanthelium oligosanthes var. scribnerianum (Under Panicum oligosanthes var. scribnerianum) | | Synonym |
Dichelostemma ↳ Key to Dichelostemma | | |
Dichelostemma californicum (Under Dichelostemma volubile) | | Synonym |
Dichelostemma capitatum (Under Dipterostemon capitatus) | | Synonym |
Dichelostemma capitatum subsp. lacuna-vernalis (Under Dipterostemon capitatus subsp. lacuna-vernalis) | | Synonym |
Dichelostemma capitatum subsp. pauciflorum (Under Dipterostemon capitatus subsp. pauciflorus) | | Synonym |
Dichelostemma congestum | FORK-TOOTHED OOKOW | Native |
Dichelostemma ida-maia | FIRECRACKER FLOWER | Native |
Dichelostemma insulare (Under Dipterostemon capitatus subsp. capitatus) | | Synonym |
Dichelostemma lacuna-vernalis (Under Dipterostemon capitatus subsp. lacuna-vernalis) | | Synonym |
Dichelostemma multiflorum | WILD HYACINTH | Native |
Dichelostemma parviflorum (Under Dichelostemma multiflorum) | | Synonym |
Dichelostemma pauciflorum (Under Dipterostemon capitatus subsp. pauciflorus) | | Synonym |
Dichelostemma pulchellum (Under Dipterostemon capitatus) | | Synonym |
Dichelostemma pulchellum var. pauciflorum (Under Dipterostemon capitatus subsp. pauciflorus) | | Synonym |
Dichelostemma volubile | TWINING BRODIAEA, SNAKE LILY | Native |
Dichondra ↳ Key to Dichondra | | |
Dichondra donelliana | | Native |
Dichondra micrantha | | Naturalized |
Dichondra occidentalis | WESTERN DICHONDRA | Native |
Dicoria | | |
Dicoria canescens | | Native |
Dicoria canescens subsp. clarkiae (Under Dicoria canescens) | | Synonym |
Dicoria canescens subsp. hispidula (Under Dicoria canescens) | | Synonym |
Dicranostegia | | |
Dicranostegia orcuttiana | ORCUTT'S BIRD'S-BEAK, BAJA BIRD'S-BEAK | Native |
Dieteria ↳ Key to Dieteria | | |
Dieteria asteroides | | Native |
Dieteria asteroides var. asteroides | | Native |
Dieteria asteroides var. lagunensis | MOUNT LAGUNA ASTER | Native |
Dieteria canescens | HOARY-ASTER | Native |
Dieteria canescens var. canescens | | Native |
Dieteria canescens var. incana | | Native |
Dieteria canescens var. leucanthemifolia | | Native |
Dieteria canescens var. shastensis | | Native |
Dieteria canescens var. ziegleri | ZIEGLER'S ASTER | Native |
Dieteria shastensis (Under Dieteria canescens var. shastensis) | | Synonym |
Digitalis | FOXGLOVE | |
Digitalis purpurea | | Naturalized |
Digitaria ↳ Key to Digitaria | CRAB GRASS | |
Digitaria californica var. californica | ARIZONA COTTONTOP | Native |
Digitaria ciliaris var. ciliaris | SOUTHERN CRAB GRASS | Naturalized |
Digitaria ischaemum | SMOOTH CRAB GRASS | Naturalized |
Digitaria sanguinalis | HAIRY CRAB GRASS | Naturalized |
Digitaria sanguinalis var. ciliaris (Under Digitaria ciliaris var. ciliaris) | | Synonym |
Dimeresia | | |
Dimeresia howellii | DOUBLET | Native |
Dimorphotheca ↳ Key to Dimorphotheca | | |
Dimorphotheca ecklonis | BLUE & WHITE DAISYBUSH | Naturalized |
Dimorphotheca fruticosa | TRAILING AFRICAN DAISY | Naturalized |
Dimorphotheca sinuata | NAMAQUALAND DAISY | Naturalized |
Diodia | BUTTONWEED | |
Diodia teres | ROUGH BUTTONWEED, POOR JOE | Waif |
Diodia teres var. teres (Under Diodia teres) | | Synonym |
Diospyros | PERSIMMON, EBONY | |
Diospyros virginiana | COMMON PERSIMMON, POSSUMWOOD | Naturalized |
Diplacus ↳ Key to Diplacus | MONKEYFLOWER | |
Diplacus angustatus | PURPLELIP PANSY MONKEYFLOWER | Native |
Diplacus arachnoideus (Under Diplacus longiflorus) | | Synonym |
Diplacus aridus | LOW BUSH MONKEYFLOWER | Native |
Diplacus aurantiacus | ORANGE BUSH MONKEYFLOWER | Native |
Diplacus australis | | Native |
Diplacus australis (Under Diplacus australis) | | Illegitimate name |
Diplacus bicolor | HARLEQUIN MONKEYFLOWER | Native |
Diplacus bigelovii | BIGELOW'S MONKEYFLOWER | Native |
Diplacus bigelovii var. bigelovii | | Native |
Diplacus bigelovii var. cuspidatus | | Native |
Diplacus bolanderi | BOLANDER'S MONKEYFLOWER | Native |
Diplacus brandegeei | SANTA CRUZ ISLAND MONKEYFLOWER | Native |
Diplacus brevipes | WIDE-THROAT YELLOW MONKEYFLOWER | Native |
Diplacus calycinus | ROCK BUSH MONKEYFLOWER | Native |
Diplacus clevelandii | CLEVELAND'S BUSH MONKEYFLOWER | Native |
Diplacus compactus | COMPACT MONKEYFLOWER | Native |
Diplacus congdonii | | Native |
Diplacus constrictus | DENSE-FRUITED MONKEYFLOWER | Native |
Diplacus cusickioides | | Native |
Diplacus douglasii | PURPLE MOUSE EARS | Native |
Diplacus fasciculatus (Under Diplacus linearis) | | Synonym |
Diplacus fremontii | | Native |
Diplacus glutinosus var. grandiflorus (Under Diplacus grandiflorus) | | Synonym |
Diplacus grandiflorus | | Native |
Diplacus grandiflorus (Under Diplacus grandiflorus) | | Illegitimate name |
Diplacus graniticola | GRANITE-CRACK MONKEYFLOWER | Native |
Diplacus jepsonii | | Native |
Diplacus johnstonii | JOHNSTON'S MONKEYFLOWER | Native |
Diplacus kelloggii | KELLOGG'S MONKEYFLOWER | Native |
Diplacus layneae | LAYNE'S MONKEYFLOWER | Native |
Diplacus leptaleus | LEAST FLOWERED MONKEYFLOWER | Native |
Diplacus linearis | MONTEREY MONKEYFLOWER | Native |
Diplacus longiflorus | | Native |
Diplacus longiflorus var. linearis (Under Diplacus linearis) | | Synonym |
Diplacus mephiticus | SKUNKY MONKEYFLOWER | Native |
Diplacus mohavensis | MOJAVE MONKEYFLOWER | Native |
Diplacus nanus | DWARF MONKEYFLOWER | Native |
Diplacus parryi | PARRY'S MONKEYFLOWER | Native |
Diplacus parviflorus | ISLAND BUSH MONKEYFLOWER | Native |
Diplacus pictus | CALICO MONKEYFLOWER | Native |
Diplacus pulchellus | YELLOW-LIP PANSY MONKEYFLOWER | Native |
Diplacus puniceus | RED BUSH MONKEYFLOWER | Native |
Diplacus pygmaeus | EGG LAKE MONKEYFLOWER | Native |
Diplacus rattanii | | Native |
Diplacus rupicola | DEATH VALLEY MONKEYFLOWER | Native |
Diplacus rutilus (Under Diplacus longiflorus) | | Synonym |
Diplacus speciosus (Under Diplacus longiflorus) | | Synonym |
Diplacus thompsonii | THOMPSON'S MONKEYFLOWER | Native |
Diplacus torreyi | | Native |
Diplacus traskiae | SANTA CATALINA ISLAND MONKEYFLOWER | Native |
Diplacus tricolor | | Native |
Diplacus vandenbergensis | VANDENBERG MONKEYFLOWER | Native |
Diplacus viscidus | | Native |
Diplotaxis ↳ Key to Diplotaxis | WALL ROCKET | |
Diplotaxis muralis | | Naturalized |
Diplotaxis tenuifolia | | Naturalized |
Dipsacaceae ↳ Key to Dipsacaceae | TEASEL FAMILY | |
Dipsacus ↳ Key to Dipsacus | TEASEL | |
Dipsacus fullonum | WILD TEASEL | Naturalized |
Dipsacus sativus | FULLER'S TEASEL | Naturalized |
Dipsacus sylvestris (Under Dipsacus fullonum) | | Synonym |
Dipterostemon ↳ Key to Dipterostemon | | |
Dipterostemon capitatus | BLUE DICKS | Native |
Dipterostemon capitatus subsp. capitatus | | Native |
Dipterostemon capitatus subsp. lacuna-vernalis | VERNAL POOL BLUE DICKS | Native |
Dipterostemon capitatus subsp. pauciflorus | | Native |
Dipterostemon insularis (Under Dipterostemon capitatus subsp. capitatus) | | Synonym |
Dipterostemon pauciflorus (Under Dipterostemon capitatus subsp. pauciflorus) | | Synonym |
Dirca | LEATHERWOOD | |
Dirca occidentalis | WESTERN LEATHERWOOD | Native |
Disporum hookeri (Under Prosartes hookeri) | | Synonym |
Disporum hookeri var. parvifolium (Under Prosartes parvifolia) | | Synonym |
Disporum hookeri var. trachyandrum (Under Prosartes hookeri) | | Synonym |
Disporum parvifolium (Under Prosartes parvifolia) | | Synonym |
Disporum smithii (Under Prosartes smithii) | | Synonym |
Dissanthelium | | |
Dissanthelium californicum | CALIFORNIA DISSANTHELIUM | Native |
Distichlis ↳ Key to Distichlis | | |
Distichlis littoralis | SHORE GRASS | Native |
Distichlis spicata | SALT GRASS | Native |
Distichlis spicata var. divaricata (Under Distichlis spicata) | | Synonym |
Distichlis spicata var. nana (Under Distichlis spicata) | | Synonym |
Distichlis spicata var. stolonifera (Under Distichlis spicata) | | Synonym |
Distichlis spicata var. stricta (Under Distichlis spicata) | | Synonym |
Ditaxis ↳ Key to Ditaxis | | |
Ditaxis adenophora (Under Ditaxis claryana) | | Misapplied name |
Ditaxis californica (Under Ditaxis serrata var. californica) | | Synonym |
Ditaxis clariana (Under Ditaxis claryana) | | Orthographic variant |
Ditaxis claryana | GLANDULAR DITAXIS | Native |
Ditaxis lanceolata | | Native |
Ditaxis neomexicana | | Native |
Ditaxis serrata | | Native |
Ditaxis serrata var. californica | CALIFORNIA DITAXIS | Native |
Ditaxis serrata var. serrata | | Native |
Dithyrea ↳ Key to Dithyrea | SPECTACLEPOD | |
Dithyrea californica | | Native |
Dithyrea maritima | BEACH SPECTACLEPOD | Native |
Dittrichia ↳ Key to Dittrichia | | |
Dittrichia graveolens | STINKWORT | Naturalized |
Dittrichia viscosa | FALSE YELLOWHEAD | Naturalized |
Dodecahema | | |
Dodecahema leptoceras | SLENDER-HORNED SPINEFLOWER | Native |
Dodecatheon alpinum (Under Primula tetrandra) | | Synonym |
Dodecatheon alpinum subsp. alpinum (Under Primula tetrandra) | | Synonym |
Dodecatheon alpinum subsp. majus (Under Primula tetrandra) | | Synonym |
Dodecatheon clevelandii (Under Primula clevelandii) | | Synonym |
Dodecatheon clevelandii subsp. clevelandii (Under Primula clevelandii var. clevelandii) | | Synonym |
Dodecatheon clevelandii subsp. insulare (Under Primula clevelandii var. insularis) | | Synonym |
Dodecatheon clevelandii subsp. patulum (Under Primula clevelandii var. patula) | | Synonym |
Dodecatheon clevelandii subsp. sanctarum (Under Primula clevelandii var. gracilis) | | Synonym |
Dodecatheon clevelandii var. gracile (Under Primula clevelandii var. gracilis) | | Synonym |
Dodecatheon clevelandii var. patulum (Under Primula clevelandii var. patula) | | Synonym |
Dodecatheon conjugens (Under Primula conjugens) | | Synonym |
Dodecatheon conjugens subsp. conjugens (Under Primula conjugens) | | Synonym |
Dodecatheon hansenii (Under Primula hendersonii) | | Synonym |
Dodecatheon hendersonii (Under Primula hendersonii) | | Synonym |
Dodecatheon hendersonii subsp. cruciatum (Under Primula hendersonii) | | Synonym |
Dodecatheon hendersonii subsp. hansenii (Under Primula hendersonii) | | Synonym |
Dodecatheon hendersonii subsp. hendersonii (Under Primula hendersonii) | | Synonym |
Dodecatheon hendersonii subsp. parvifolium (Under Primula hendersonii) | | Synonym |
Dodecatheon hendersonii var. yosemitanum (Under Primula subalpina) | | Synonym |
Dodecatheon jeffreyi (Under Primula jeffreyi) | | Synonym |
Dodecatheon jeffreyi f. pygmaeum (Under Primula jeffreyi) | | Synonym |
Dodecatheon jeffreyi subsp. jeffreyi (Under Primula jeffreyi) | | Synonym |
Dodecatheon jeffreyi subsp. pygmaeum (Under Primula jeffreyi) | | Synonym |
Dodecatheon jeffreyi var. alpinum (Under Primula tetrandra) | | Synonym |
Dodecatheon pulchellum (Under Primula pauciflora) | | Synonym |
Dodecatheon pulchellum subsp. monanthum (Under Primula pauciflora) | | Synonym ined. |
Dodecatheon pulchellum var. monanthum (Under Primula pauciflora) | | Synonym |
Dodecatheon pulchellum var. shoshonense (Under Primula pauciflora) | | Synonym |
Dodecatheon redolens (Under Primula fragrans) | | Synonym |
Dodecatheon subalpinum (Under Primula subalpina) | | Synonym |
Dodecatheon tetrandrum (Under Primula tetrandra) | | Synonym |
Doellingeria ↳ Key to Doellingeria | ASTER | |
Doellingeria breweri | | Native |
Doellingeria engelmannii | | Native |
Doellingeria glabrata | SISKIYOU ASTER | Native |
Doellingeria ledophylla var. covillei | | Native |
Doellingeria tomentella | BRICKELLBUSH ASTER | Native |
Dopatrium | | |
Dopatrium junceum | | Naturalized |
Downingia ↳ Key to Downingia | | |
Downingia bacigalupii | | Native |
Downingia bella | | Native |
Downingia bicornuta | | Native |
Downingia bicornuta var. bicornuta | | Native |
Downingia bicornuta var. picta | | Native |
Downingia brachyantha (Under Downingia laeta) | | Synonym |
Downingia concolor | | Native |
Downingia concolor var. brevior | CUYAMACA LAKE DOWNINGIA | Native |
Downingia concolor var. concolor | | Native |
Downingia concolor var. tricolor (Under Downingia concolor var. concolor) | | Synonym |
Downingia cuspidata | | Native |
Downingia elegans | | Native |
Downingia elegans var. brachypetala (Under Downingia elegans) | | Synonym |
Downingia elegans var. corymbosa (Under Downingia elegans) | | Synonym |
Downingia elegans var. elegans (Under Downingia elegans) | | Synonym |
Downingia humilis (Under Downingia pusilla) | | Synonym |
Downingia immaculata (Under Downingia cuspidata) | | Synonym |
Downingia insignis | | Native |
Downingia laeta | GREAT BASIN DOWNINGIA | Native |
Downingia mirabilis (Under Downingia ornatissima var. mirabilis) | | Synonym |
Downingia mirabilis var. eximia (Under Downingia ornatissima var. mirabilis) | | Synonym |
Downingia montana | | Native |
Downingia ornatissima | | Native |
Downingia ornatissima var. eximia (Under Downingia ornatissima var. mirabilis) | | Synonym |
Downingia ornatissima var. mirabilis | | Native |
Downingia ornatissima var. ornatissima | | Native |
Downingia pulchella | | Native |
Downingia pulcherrima | | Native |
Downingia pusilla | DWARF DOWNINGIA | Native |
Downingia tricolor (Under Downingia concolor var. concolor) | | Synonym |
Downingia willamettensis | | Native |
Downingia yina | | Possibly in ca |
Downingia yina var. major (Under Downingia pulcherrima) | | Synonym, in part |
Downingia yina var. major (Under Downingia willamettensis) | | Synonym, in part |
Downingia yina var. yina (Under Downingia yina) | | Synonym |
Draba ↳ Key to Draba | | |
Draba albertina | | Native |
Draba asterophora | | Native |
Draba asterophora var. asterophora (Under Draba asterophora) | | Synonym |
Draba asterophora var. macrocarpa (Under Draba asterophora) | | Synonym |
Draba aureola | GOLDEN ALPINE DRABA | Native |
Draba breweri | | Native |
Draba breweri var. cana (Under Draba cana) | | Synonym |
Draba breweri var. sublaxa (Under Draba breweri) | | Synonym |
Draba californica | CALIFORNIA DRABA | Native |
Draba cana | CANESCENT DRABA | Native |
Draba carnosula | MOUNT EDDY DRABA | Native |
Draba corrugata | | Native |
Draba corrugata f. vestita (Under Draba corrugata) | | Synonym |
Draba corrugata var. saxosa (Under Draba saxosa) | | Synonym |
Draba crassifolia var. albertina (Under Draba albertina) | | Synonym |
Draba crassifolia var. nevadensis (Under Draba albertina) | | Synonym |
Draba cruciata | MINERAL KING DRABA | Native |
Draba cruciata var. integrifolia (Under Draba sharsmithii) | | Synonym |
Draba cuneifolia | | Native |
Draba cuneifolia var. californica (Under Draba californica) | | Synonym |
Draba cuneifolia var. cuneifolia (Under Draba cuneifolia) | | Synonym |
Draba cuneifolia var. integrifolia (Under Draba cuneifolia) | | Synonym |
Draba cuneifolia var. sonorae (Under Draba cuneifolia) | | Synonym |
Draba densifolia | | Native |
Draba douglasii var. crockeri (Under Cusickiella douglasii) | | Synonym |
Draba eurycarpa (Under Anelsonia eurycarpa) | | Synonym |
Draba howellii | HOWELL'S DRABA | Native |
Draba howellii var. carnosula (Under Draba carnosula) | | Synonym |
Draba incrassata | SWEETWATER MOUNTAINS DRABA | Native |
Draba lemmonii | | Native |
Draba lemmonii (Under Draba longisquamosa) | | Synonym, in part |
Draba lemmonii var. incrassata (Under Draba incrassata) | | Synonym |
Draba lemmonii var. lemmonii (Under Draba lemmonii) | | Synonym |
Draba lonchocarpa | SPEAR-FRUITED DRABA | Native |
Draba lonchocarpa var. lonchocarpa (Under Draba lonchocarpa) | | Synonym |
Draba longisquamosa | | Native |
Draba micrantha (Under Draba reptans) | | Synonym |
Draba monoensis | WHITE MOUNTAINS DRABA | Native |
Draba nemorosa | | Waif |
Draba nivalis var. elongata (Under Draba lonchocarpa) | | Synonym |
Draba novolympica | | Native |
Draba oligosperma | | Native |
Draba oligosperma var. pectinata (Under Draba densifolia) | | Synonym |
Draba paysonii var. treleasei (Under Draba novolympica) | | Synonym |
Draba praealta | TALL DRABA | Native |
Draba pterosperma | WINGED-SEED DRABA | Native |
Draba quadricostata (Under Cusickiella quadricostata) | | Synonym |
Draba reptans | | Waif |
Draba saxosa | SOUTHERN CALIFORNIA ROCK DRABA | Native |
Draba sharsmithii | MOUNT WHITNEY DRABA | Native |
Draba sierrae | SIERRA DRABA | Native |
Draba stenoloba var. nana (Under Draba albertina) | | Synonym |
Draba stenoloba var. ramosa (Under Draba albertina) | | Synonym |
Draba subumbellata | MOUND DRABA | Native |
Draba unilateralis (Under Athysanus unilateralis) | | Synonym |
Draba verna | | Naturalized |
Draba verna var. verna (Under Draba verna) | | Synonym |
Draba vestita (Under Draba corrugata) | | Synonym |
Draperia | | |
Draperia systyla | | Native |
Draperia systyla var. minor (Under Draperia systyla) | | Synonym |
Drosanthemum | | |
Drosanthemum floribundum | | Naturalized |
Drosera ↳ Key to Drosera | SUNDEW | |
Drosera anglica | ENGLISH SUNDEW | Native |
Drosera longifolia (Under Drosera anglica) | | Synonym |
Drosera rotundifolia | ROUND-LEAVED SUNDEW | Native |
Droseraceae | SUNDEW FAMILY | |
Drymocallis ↳ Key to Drymocallis | | |
Drymocallis cuneifolia | | Native |
Drymocallis cuneifolia var. cuneifolia | WEDGELEAF WOODBEAUTY | Native |
Drymocallis cuneifolia var. ewanii | EWAN'S WOODBEAUTY | Native |
Drymocallis glandulosa | | Native |
Drymocallis glandulosa var. glandulosa | | Native |
Drymocallis glandulosa var. reflexa | | Native |
Drymocallis glandulosa var. viscida | | Native |
Drymocallis glandulosa var. wrangelliana | | Native |
Drymocallis hansenii | YOSEMITE WOODBEAUTY | Native |
Drymocallis lactea | | Native |
Drymocallis lactea var. austiniae | AUSTIN'S WOODBEAUTY | Native |
Drymocallis lactea var. lactea | SIERRAN WOODBEAUTY | Native |
Drymocallis pseudorupestris | | Native |
Drymocallis pseudorupestris var. crumiana | CRUM'S WOODBEAUTY | Native |
Drymocallis pseudorupestris var. saxicola | CLIFF WOODBEAUTY | Native |
Drymocallis rhomboidea | | Native |
Dryopteridaceae ↳ Key to Dryopteridaceae | WOOD FERN FAMILY | |
Dryopteris ↳ Key to Dryopteris | WOOD FERN | |
Dryopteris arguta | | Native |
Dryopteris assimilis (Under Dryopteris expansa) | | Synonym |
Dryopteris expansa | | Native |
Dryopteris filix-mas | MALE FERN | Native |
Duchesnea | | |
Duchesnea indica var. indica | MOCK-STRAWBERRY | Naturalized |
Dudleya ↳ Key to Dudleya | DUDLEYA, LIVEFOREVER | |
Dudleya abramsii | | Native |
Dudleya abramsii subsp. abramsii | | Native |
Dudleya abramsii subsp. affinis | SAN BERNARDINO MOUNTAINS DUDLEYA | Native |
Dudleya abramsii subsp. bettinae | BETTY'S DUDLEYA | Native |
Dudleya abramsii subsp. calcicola | LIMESTONE DUDLEYA | Native |
Dudleya abramsii subsp. costifolia (Under Dudleya cymosa subsp. costifolia) | | Synonym |
Dudleya abramsii subsp. murina | MOUSE-GRAY DUDLEYA | Native |
Dudleya abramsii subsp. parva (Under Dudleya parva) | | Synonym |
Dudleya abramsii subsp. setchellii | SANTA CLARA VALLEY DUDLEYA | Native |
Dudleya alainae (Under Dudleya saxosa subsp. aloides) | | Synonym |
Dudleya arizonica | | Native |
Dudleya attenuata subsp. attenuata (Under Dudleya attenuata subsp. orcuttii) | | Misapplied name |
Dudleya attenuata subsp. orcuttii | | Native |
Dudleya bettinae (Under Dudleya abramsii subsp. bettinae) | | Synonym |
Dudleya blochmaniae | | Native |
Dudleya blochmaniae subsp. blochmaniae | BLOCHMAN'S DUDLEYA | Native |
Dudleya blochmaniae subsp. brevifolia (Under Dudleya brevifolia) | | Synonym |
Dudleya blochmaniae subsp. insularis | SANTA ROSA ISLAND DUDLEYA | Native |
Dudleya brevifolia | SHORTLEAVED DUDLEYA | Native |
Dudleya caespitosa | | Native |
Dudleya calcicola (Under Dudleya abramsii subsp. calcicola) | | Synonym |
Dudleya candelabrum | CANDLEHOLDER DUDLEYA | Native |
Dudleya cespitosa (Under Dudleya caespitosa) | | Orthographic variant |
Dudleya cymosa | | Native |
Dudleya cymosa subsp. agourensis | AGOURA HILLS DUDLEYA | Native |
Dudleya cymosa subsp. costafolia (Under Dudleya cymosa subsp. costifolia) | | Orthographic variant |
Dudleya cymosa subsp. costifolia | PIERPOINT SPRINGS DUDLEYA | Native |
Dudleya cymosa subsp. crebrifolia | SAN GABRIEL RIVER DUDLEYA | Native |
Dudleya cymosa subsp. cymosa | | Native |
Dudleya cymosa subsp. gigantea (Under Dudleya cymosa subsp. cymosa) | | Synonym |
Dudleya cymosa subsp. marcescens | MARCESCENT DUDLEYA | Native |
Dudleya cymosa subsp. minor (Under Dudleya lanceolata) | | Synonym |
Dudleya cymosa subsp. ovatifolia | SANTA MONICA DUDLEYA | Native |
Dudleya cymosa subsp. paniculata | | Native |
Dudleya cymosa subsp. pumila | | Native |
Dudleya densiflora | SAN GABRIEL MOUNTAINS DUDLEYA | Native |
Dudleya edulis | | Native |
Dudleya elongata (Under Dudleya lanceolata) | | Synonym |
Dudleya farinosa | BLUFF LETTUCE | Native |
Dudleya gnoma | MUNCHKIN DUDLEYA | Native |
Dudleya goldmanii (Under Dudleya cymosa subsp. pumila) | | Synonym |
Dudleya greenei | GREENE'S DUDLEYA | Native |
Dudleya hassei (Under Dudleya virens subsp. hassei) | | Synonym |
Dudleya hoffmannii (Under Dudleya greenei) | | Synonym |
Dudleya lanceolata | LANCE-LEAVED DUDLEYA | Native |
Dudleya multicaulis | MANY-STEMMED DUDLEYA | Native |
Dudleya nesiotica | SANTA CRUZ ISLAND DUDLEYA | Native |
Dudleya palmeri | PALMER'S DUDLEYA | Native |
Dudleya parva | CONEJO DUDLEYA | Native |
Dudleya pulverulenta | CHALK DUDLEYA | Native |
Dudleya pulverulenta subsp. arizonica (Under Dudleya arizonica) | | Synonym |
Dudleya pulverulenta subsp. pulverulenta (Under Dudleya pulverulenta) | | Synonym |
Dudleya pumila (Under Dudleya cymosa subsp. pumila) | | Synonym |
Dudleya regalis (Under Dudleya greenei) | | Synonym |
Dudleya saxosa | | Native |
Dudleya saxosa subsp. aloides | | Native |
Dudleya saxosa subsp. saxosa | PANAMINT DUDLEYA | Native |
Dudleya setchellii (Under Dudleya abramsii subsp. setchellii) | | Synonym |
Dudleya stolonifera | LAGUNA BEACH DUDLEYA | Native |
Dudleya traskiae | SANTA BARBARA ISLAND DUDLEYA | Native |
Dudleya variegata | VARIEGATED DUDLEYA | Native |
Dudleya verityi | VERITY'S DUDLEYA | Native |
Dudleya virens | | Native |
Dudleya virens subsp. hassei | | Native |
Dudleya virens subsp. insularis | ISLAND GREEN DUDLEYA | Native |
Dudleya virens subsp. virens | BRIGHT GREEN DUDLEYA | Native |
Dudleya viscida | STICKY DUDLEYA | Native |
Dugaldia grandiflora (Under Helenium bolanderi) | | Synonym |
Dugaldia hoopesii (Under Hymenoxys hoopesii) | | Synonym |
Dulichium | | |
Dulichium arundinaceum var. arundinaceum | THREE-WAY SEDGE | Native |
Dysphania ↳ Key to Dysphania | MEXICAN TEA, WORMWOOD | |
Dysphania ambrosioides | MEXICAN TEA | Naturalized |
Dysphania anthelmintica | WORMSEED | Naturalized |
Dysphania botrys | JERUSALEM OAK | Naturalized |
Dysphania chilensis | | Naturalized |
Dysphania multifida | | Naturalized |
Dysphania pumilio | | Naturalized |
Dyssodia | | |
Dyssodia cooperi (Under Adenophyllum cooperi) | | Synonym |
Dyssodia papposa | DOGWEED | Waif |
Dyssodia porophylloides (Under Adenophyllum porophylloides) | | Synonym |
Eastwoodia | YELLOW MOCK ASTER | |
Eastwoodia elegans | | Native |
Eatonella | | |
Eatonella congdonii (Under Monolopia congdonii) | | Synonym |
Eatonella nivea | | Native |
Ebenaceae | EBONY FAMILY | |
Eburophyton austiniae (Under Cephalanthera austiniae) | | Synonym |
Echeveria brittonii (Under Sedum obtusatum) | | Synonym |
Echeveria lanceolata var. composta (Under Dudleya lanceolata) | | Synonym |
Echeveria lanceolata var. incerta (Under Dudleya lanceolata) | | Synonym |
Echeveria obtusata (Under Sedum obtusatum) | | Synonym |
Echinocactus | CLUSTERED BARREL CACTUS | |
Echinocactus cylindraceus (Under Ferocactus cylindraceus) | | Synonym |
Echinocactus johnsonii (Under Sclerocactus johnsonii) | | Synonym |
Echinocactus polyancistrus (Under Sclerocactus polyancistrus) | | Synonym |
Echinocactus polycephalus var. polycephalus | | Native |
Echinocereus ↳ Key to Echinocereus | HEDGEHOG CACTUS | |
Echinocereus engelmannii | | Native |
Echinocereus engelmannii var. munzii (Under Echinocereus engelmannii) | | Synonym |
Echinocereus mojavensis | | Native |
Echinocereus munzii (Under Echinocereus engelmannii) | | Synonym |
Echinocereus triglochidiatus (Under Echinocereus mojavensis) | | Synonym |
Echinocereus triglochidiatus var. mojavensis (Under Echinocereus mojavensis) | | Synonym |
Echinochloa ↳ Key to Echinochloa | BARNYARD GRASS | |
Echinochloa colona | | Naturalized |
Echinochloa colonum (Under Echinochloa colona) | | Orthographic variant |
Echinochloa crus-galli | | Naturalized |
Echinochloa crus-galli subsp. spiralis (Under Echinochloa crus-galli) | | Synonym |
Echinochloa crus-galli var. zelayensis (Under Echinochloa crus-galli) | | Synonym |
Echinochloa crus-pavonis var. crus-pavonis | | Naturalized |
Echinochloa esculenta | | Waif |
Echinochloa frumentacea (Under Echinochloa esculenta) | | Misapplied name |
Echinochloa muricata var. microstachya | | Native |
Echinochloa oryzicola | | Agricultural weed |
Echinochloa oryzoides | | Naturalized |
Echinochloa phyllopogon (Under Echinochloa oryzicola) | | Noted name |
Echinochloa phyllopogon (Under Echinochloa oryzoides) | | Synonym |
Echinodorus | BURHEAD | |
Echinodorus berteroi | | Native |
Echinodorus berteroi var. lanceolatus (Under Echinodorus berteroi) | | Synonym |
Echinodorus rostratus (Under Echinodorus berteroi) | | Synonym |
Echinomastus johnsonii (Under Sclerocactus johnsonii) | | Synonym |
Echinops | GLOBE THISTLE | |
Echinops sphaerocephalus | | Waif |
Echium ↳ Key to Echium | | |
Echium candicans | PRIDE OF MADEIRA | Naturalized |
Echium pininana | TOWER OF JEWELS | Naturalized |
Echium plantagineum | SALVATION JANE | Naturalized |
Eclipta | | |
Eclipta alba (Under Eclipta prostrata) | | Synonym |
Eclipta prostrata | FALSE DAISY | Native |
Ectosperma alexandrae (Under Swallenia alexandrae) | | Synonym |
Edwinia californica (Under Jamesia americana var. rosea) | | Synonym |
Egeria | BRAZILIAN WATERWEED | |
Egeria densa | | Naturalized |
Ehrendorferia ↳ Key to Ehrendorferia | | |
Ehrendorferia chrysantha | GOLDEN EARDROPS | Native |
Ehrendorferia ochroleuca | WHITE EARDROPS | Native |
Ehretiaceae | EHRETIA FAMILY | |
Ehrharta ↳ Key to Ehrharta | VELDT GRASS | |
Ehrharta calycina | PERENNIAL VELDT GRASS | Naturalized |
Ehrharta erecta | PANIC VELDT GRASS | Naturalized |
Ehrharta longiflora | LONG-FLOWERED VELDT GRASS, ANNUAL VELDT GRASS | Naturalized |
Eichhornia | WATER HYACINTH | |
Eichhornia crassipes | | Naturalized |
Elaeagnaceae ↳ Key to Elaeagnaceae | OLEASTER FAMILY | |
Elaeagnus | | |
Elaeagnus angustifolia | RUSSIAN OLIVE | Naturalized |
Elaeagnus angustifolius (Under Elaeagnus angustifolia) | | Orthographic variant |
Elaterium bigelovii (Under Brandegea bigelovii) | | Synonym |
Elatinaceae ↳ Key to Elatinaceae | WATERWORT FAMILY | |
Elatine ↳ Key to Elatine | WATERWORT | |
Elatine ambigua | | Naturalized |
Elatine brachysperma | | Native |
Elatine californica | | Native |
Elatine chilensis | | Native |
Elatine gracilis (Under Elatine chilensis) | | Synonym |
Elatine heterandra | | Native |
Elatine obovata (Under Elatine brachysperma) | | Synonym |
Elatine rubella | | Native |
Eleocharis ↳ Key to Eleocharis | SPIKERUSH | |
Eleocharis acicularis | NEEDLE SPIKERUSH | Native |
Eleocharis acicularis var. acicularis | | Native |
Eleocharis acicularis var. bella (Under Eleocharis bella) | | Synonym |
Eleocharis acicularis var. gracilescens | | Native |
Eleocharis acicularis var. occidentalis | | Native |
Eleocharis acicularis var. radicans (Under Eleocharis radicans) | | Synonym |
Eleocharis acicularis var. submersa (Under Eleocharis acicularis var. acicularis) | | Synonym |
Eleocharis arenicola (Under Eleocharis montevidensis) | | Synonym |
Eleocharis atropurpurea | | Native |
Eleocharis bella | | Native |
Eleocharis bernardina | | Native |
Eleocharis bolanderi | | Native |
Eleocharis capitata (Under Eleocharis geniculata) | | Synonym |
Eleocharis caribaea (Under Eleocharis geniculata) | | Synonym |
Eleocharis coloradoensis | | Native |
Eleocharis decumbens | | Native |
Eleocharis disciformis (Under Eleocharis parishii) | | Synonym |
Eleocharis dispar (Under Eleocharis geniculata) | | Synonym |
Eleocharis engelmannii | | Native |
Eleocharis engelmannii var. detonsa | | Native |
Eleocharis engelmannii var. engelmannii | | Native |
Eleocharis flavescens var. flavescens | | Native |
Eleocharis flavescens var. thermalis (Under Eleocharis flavescens var. flavescens) | | Synonym |
Eleocharis geniculata | | Native |
Eleocharis leptos var. coloradoensis (Under Eleocharis coloradoensis) | | Synonym |
Eleocharis lindheimeri (Under Eleocharis radicans) | | Synonym |
Eleocharis macrostachya | | Native |
Eleocharis montana subsp. montevidensis (Under Eleocharis montevidensis) | | Synonym |
Eleocharis montevidensis | | Native |
Eleocharis montevidensis var. bolanderi (Under Eleocharis bolanderi) | | Synonym |
Eleocharis montevidensis var. decumbens (Under Eleocharis decumbens) | | Synonym |
Eleocharis montevidensis var. parishii (Under Eleocharis parishii) | | Synonym |
Eleocharis obtusa | | Native |
Eleocharis obtusa var. ellipsoidalis (Under Eleocharis obtusa) | | Synonym |
Eleocharis obtusa var. engelmannii (Under Eleocharis engelmannii) | | Synonym |
Eleocharis obtusa var. gigantea (Under Eleocharis obtusa) | | Synonym |
Eleocharis obtusa var. jejuna (Under Eleocharis obtusa) | | Synonym |
Eleocharis obtusa var. ovata (Under Eleocharis ovata) | | Synonym |
Eleocharis obtusa var. peasei (Under Eleocharis obtusa) | | Synonym |
Eleocharis ovata | | Native |
Eleocharis ovata var. detonsa (Under Eleocharis engelmannii var. detonsa) | | Synonym |
Eleocharis ovata var. heuseri (Under Eleocharis ovata) | | Synonym |
Eleocharis pachycarpa | | Naturalized |
Eleocharis palmeri (Under Eleocharis montevidensis) | | Synonym |
Eleocharis palustris | | Native |
Eleocharis parishii | | Native |
Eleocharis parvula | SMALL SPIKERUSH | Native |
Eleocharis parvula var. anachaeta (Under Eleocharis coloradoensis) | | Synonym |
Eleocharis parvula var. coloradoensis (Under Eleocharis coloradoensis) | | Synonym |
Eleocharis pauciflora (Under Eleocharis quinqueflora) | | Synonym |
Eleocharis pauciflora var. bernardina (Under Eleocharis bernardina) | | Synonym |
Eleocharis pauciflora var. fernaldii (Under Eleocharis quinqueflora) | | Synonym |
Eleocharis pauciflora var. suksdorfiana (Under Eleocharis suksdorfiana) | | Synonym |
Eleocharis perlonga (Under Eleocharis macrostachya) | | Synonym |
Eleocharis pygmaea (Under Eleocharis parvula) | | Synonym |
Eleocharis quadrangulata | SQUARESTEM SPIKERUSH | Naturalized |
Eleocharis quadrangulata var. crassior (Under Eleocharis quadrangulata) | | Synonym |
Eleocharis quinqueflora | | Native |
Eleocharis quinqueflora subsp. fernaldii (Under Eleocharis quinqueflora) | | Synonym |
Eleocharis quinqueflora var. bernardina (Under Eleocharis bernardina) | | Synonym |
Eleocharis quinqueflora var. suksdorfiana (Under Eleocharis suksdorfiana) | | Synonym |
Eleocharis radicans | | Native |
Eleocharis rostellata | | Native |
Eleocharis smallii (Under Eleocharis palustris) | | Synonym |
Eleocharis suksdorfiana | | Native |
Eleocharis tenuis var. tenuis | | Historical waif |
Eleocharis thermalis (Under Eleocharis flavescens var. flavescens) | | Synonym |
Eleocharis torticulmis | CALIFORNIA TWISTED SPIKERUSH | Native |
Eleusine ↳ Key to Eleusine | | |
Eleusine coracana subsp. africana | AFRICAN FINGER MILLET | Naturalized |
Eleusine indica | GOOSE GRASS, INDIA GOOSE GRASS | Naturalized |
Eleusine indica subsp. africana (Under Eleusine coracana subsp. africana) | | Synonym |
Eleusine tristachya | THREE-SPIKED GOOSE GRASS | Naturalized |
Ellisia chrysanthemifolia (Under Eucrypta chrysanthemifolia var. chrysanthemifolia) | | Synonym |
Ellisia micrantha (Under Eucrypta micrantha) | | Synonym |
Ellisia torreyi (Under Eucrypta chrysanthemifolia var. bipinnatifida) | | Synonym |
Ellisia torreyi var. bipinnatifida (Under Eucrypta chrysanthemifolia var. bipinnatifida) | | Synonym |
Ellisia torreyi var. orcuttii (Under Eucrypta chrysanthemifolia var. chrysanthemifolia) | | Synonym |
Ellisia torreyi var. paniculata (Under Eucrypta chrysanthemifolia var. chrysanthemifolia) | | Synonym |
Elodea ↳ Key to Elodea | | |
Elodea bifoliata | TWO-LEAF WATERWEED | Native |
Elodea brandegeeae (Under Elodea canadensis) | | Synonym |
Elodea canadensis | COMMON WATERWEED | Native |
Elodea densa (Under Egeria densa) | | Synonym |
Elodea longivaginata (Under Elodea bifoliata) | | Synonym |
Elodea nevadensis (Under Elodea bifoliata) | | Synonym |
Elodea nuttallii | NUTTALL'S WATERWEED | Native |
Elymus ↳ Key to Elymus | WILD-RYE, WHEAT GRASS, SQUIRRELTAIL | |
Elymus ×gouldii | | Native |
Elymus ×vancouverensis | | Native |
Elymus californicus | CALIFORNIA BOTTLE-BRUSH GRASS | Native |
Elymus caput-medusae | MEDUSA HEAD | Naturalized |
Elymus cinereus | GREAT BASIN WILD-RYE | Native |
Elymus condensatus | GIANT WILD-RYE | Native |
Elymus elongatus var. ponticus (Under Elymus ponticus) | | Synonym |
Elymus elymoides | SQUIRRELTAIL | Native |
Elymus elymoides subsp. brevifolius (Under Elymus elymoides var. brevifolius) | | Synonym |
Elymus elymoides subsp. californicus (Under Elymus elymoides var. californicus) | | Synonym |
Elymus elymoides subsp. elymoides (Under Elymus elymoides var. elymoides) | | Synonym |
Elymus elymoides var. brevifolius | | Native |
Elymus elymoides var. californicus | | Native |
Elymus elymoides var. elymoides | | Native |
Elymus glaucus | BLUE OR WESTERN WILD-RYE | Native |
Elymus glaucus subsp. glaucus | | Native |
Elymus glaucus subsp. jepsonii (Under Elymus glaucus subsp. glaucus) | | Synonym |
Elymus glaucus subsp. virescens | | Native |
Elymus glaucus var. jepsonii (Under Elymus glaucus subsp. glaucus) | | Synonym |
Elymus hispidus | | Naturalized |
Elymus lanceolatus subsp. lanceolatus | THICK-SPIKE WHEAT GRASS | Native |
Elymus lanceolatus subsp. riparius (Under Elymus lanceolatus subsp. lanceolatus) | | Synonym |
Elymus mollis subsp. mollis | AMERICAN DUNE GRASS, SEA LYME GRASS | Native |
Elymus multisetus | BIG SQUIRRELTAIL | Native |
Elymus pacificus | PACIFIC WILD-RYE | Native |
Elymus ponticus | TALL WHEAT GRASS | Naturalized |
Elymus repens | QUACK GRASS | Naturalized |
Elymus salina | SALINA PASS WILD-RYE | Native |
Elymus scribneri | SCRIBNER'S WHEAT GRASS | Native |
Elymus sierrae | | Native |
Elymus smithii | WESTERN WHEAT GRASS | Native |
Elymus spicatus | BLUE BUNCH WHEAT GRASS | Native |
Elymus stebbinsii | STEBBINS' WHEAT GRASS | Native |
Elymus trachycaulus subsp. subsecundus (Under Elymus trachycaulus subsp. trachycaulus) | | Synonym |
Elymus trachycaulus subsp. trachycaulus | SLENDER WHEAT GRASS | Native |
Elymus triticoides | BEARDLESS WILD-RYE | Native |
Elytrigia elongata (Under Elymus ponticus) | | Synonym |
Elytrigia intermedia (Under Elymus hispidus) | | Synonym |
Elytrigia intermedia subsp. barbulata (Under Elymus hispidus) | | Synonym |
Elytrigia intermedia subsp. intermedia (Under Elymus hispidus) | | Synonym |
Elytrigia intermedia var. intermedia (Under Elymus hispidus) | | Synonym |
Elytrigia pontica (Under Elymus ponticus) | | Synonym |
Elytrigia pontica subsp. pontica (Under Elymus ponticus) | | Synonym |
Elytrigia repens (Under Elymus repens) | | Synonym |
Emex ↳ Key to Emex | | |
Emex australis | SOUTHERN THREE-CORNERED JACK | Naturalized |
Emex spinosa | DEVIL'S THORN | Naturalized |
Emmenanthe ↳ Key to Emmenanthe | | |
Emmenanthe glandulifera (Under Phacelia adenophora) | | Synonym |
Emmenanthe parviflora (Under Phacelia inundata) | | Synonym |
Emmenanthe penduliflora | WHISPERING BELLS | Native |
Emmenanthe penduliflora var. rosea (Under Emmenanthe rosea) | | Synonym |
Emmenanthe pusilla (Under Phacelia tetramera) | | Synonym |
Emmenanthe rosea | PINK WHISPERING BELLS | Native |
Empetrum | | |
Empetrum nigrum | BLACK CROWBERRY | Native |
Encelia ↳ Key to Encelia | | |
Encelia actoni | | Native |
Encelia californica | | Native |
Encelia farinosa | BRITTLEBUSH | Native |
Encelia farinosa × Encelia frutescens | | Spontaneous hybrid |
Encelia farinosa var. farinosa | | Native |
Encelia farinosa var. phenicodonta | | Native |
Encelia frutescens | | Native |
Encelia virginensis | | Native |
Encelia virginensis subsp. actoni (Under Encelia actoni) | | Synonym |
Enceliopsis ↳ Key to Enceliopsis | | |
Enceliopsis argophylla var. grandiflora (Under Enceliopsis covillei) | | Synonym |
Enceliopsis covillei | PANAMINT DAISY | Native |
Enceliopsis nudicaulis | NAKED-STEMMED DAISY | Native |
Enceliopsis nudicaulis var. corrugata (Under Enceliopsis nudicaulis) | | Synonym |
Enemion ↳ Key to Enemion | FALSE RUE-ANEMONE | |
Enemion occidentale | WESTERN RUE-ANEMONE | Native |
Enemion stipitatum | SISKIYOU RUE-ANEMONE | Native |
Engellaria | | |
Engellaria obtusa | OBTUSE STARWORT, ROCKY MOUNTAIN STARWORT | Native |
Enneapogon | PAPPUS GRASS | |
Enneapogon desvauxii | NINE-AWNED PAPPUS GRASS | Native |
Ephedra ↳ Key to Ephedra | EPHEDRA, MORMON TEA | |
Ephedra aspera | BOUNDARY EPHEDRA | Native |
Ephedra californica | DESERT TEA | Native |
Ephedra californica var. funerea (Under Ephedra funerea) | | Synonym |
Ephedra clokeyi (Under Ephedra aspera) | | Synonym |
Ephedra distachya (Under Ephedra foeminea) | | Misapplied name |
Ephedra fasciculata (Under Ephedra aspera) | | Synonym |
Ephedra fasciculata var. clokeyi (Under Ephedra aspera) | | Synonym |
Ephedra fasciculata var. fasciculata (Under Ephedra aspera) | | Synonym |
Ephedra foeminea | | Naturalized |
Ephedra funerea | DEATH VALLEY EPHEDRA | Native |
Ephedra nevadensis | NEVADA EPHEDRA | Native |
Ephedra nevadensis f. rosea (Under Ephedra nevadensis) | | Synonym |
Ephedra nevadensis subvar. paucibracteata (Under Ephedra nevadensis) | | Synonym |
Ephedra nevadensis subvar. pluribracteata (Under Ephedra viridis) | | Synonym |
Ephedra nevadensis var. aspera (Under Ephedra aspera) | | Synonym |
Ephedra nevadensis var. viridis (Under Ephedra viridis) | | Synonym |
Ephedra peninsularis (Under Ephedra aspera) | | Synonym |
Ephedra reedii (Under Ephedra aspera) | | Synonym |
Ephedra trifurca | LONGLEAF EPHEDRA | Native |
Ephedra viridis | GREEN EPHEDRA | Native |
Ephedraceae | EPHEDRA FAMILY | |
Epilobium ↳ Key to Epilobium | WILLOWHERB | |
Epilobium adenocaulon (Under Epilobium ciliatum subsp. ciliatum) | | Synonym |
Epilobium adenocaulon var. holosericeum (Under Epilobium ciliatum subsp. ciliatum) | | Synonym |
Epilobium adenocaulon var. occidentale (Under Epilobium ciliatum subsp. ciliatum) | | Synonym |
Epilobium adenocaulon var. parishii (Under Epilobium ciliatum subsp. ciliatum) | | Synonym |
Epilobium anagallidifolium | | Native |
Epilobium angustifolium subsp. circumvagum (Under Chamerion angustifolium subsp. circumvagum) | | Synonym |
Epilobium brachycarpum | | Native |
Epilobium brevistylum var. brevistylum (Under Epilobium ciliatum subsp. glandulosum) | | Synonym |
Epilobium brevistylum var. ursinum (Under Epilobium hallianum) | | Synonym |
Epilobium campestre | | Native |
Epilobium canum | CALIFORNIA FUCHSIA, ZAUSCHNERIA | Native |
Epilobium canum subsp. canum | | Native |
Epilobium canum subsp. garrettii | | Native |
Epilobium canum subsp. latifolium | | Native |
Epilobium canum subsp. septentrionale (Under Epilobium septentrionale) | | Synonym |
Epilobium ciliatum | | Native |
Epilobium ciliatum subsp. ciliatum | | Native |
Epilobium ciliatum subsp. glandulosum | | Native |
Epilobium ciliatum subsp. watsonii | | Native |
Epilobium clavatum | | Native |
Epilobium cleistogamum | | Native |
Epilobium densiflorum | | Native |
Epilobium drummondii (Under Epilobium saximontanum) | | Synonym |
Epilobium exaltatum (Under Epilobium oreganum) | | Synonym |
Epilobium foliosum (Under Epilobium ravenii) | | Illegitimate name |
Epilobium glaberrimum | | Native |
Epilobium glaberrimum subsp. fastigiatum | | Native |
Epilobium glaberrimum subsp. glaberrimum | | Native |
Epilobium glaberrimum var. fastigiatum (Under Epilobium glaberrimum subsp. fastigiatum) | | Synonym |
Epilobium glandulosum (Under Epilobium ciliatum subsp. glandulosum) | | Synonym |
Epilobium halleanum (Under Epilobium hallianum) | | Orthographic variant |
Epilobium hallianum | | Native |
Epilobium hornemannii subsp. hornemannii | | Native |
Epilobium howellii | SUBALPINE FIREWEED | Native |
Epilobium lactiflorum | | Native |
Epilobium latifolium (Under Chamerion latifolium) | | Synonym |
Epilobium leptophyllum | | Naturalized |
Epilobium luteum | YELLOW WILLOWHERB | Native |
Epilobium minutum | | Native |
Epilobium nivium | SNOW MOUNTAIN WILLOWHERB | Native |
Epilobium obcordatum | | Native |
Epilobium obcordatum subsp. siskiyouense (Under Epilobium siskiyouense) | | Synonym |
Epilobium obcordatum var. laxum (Under Epilobium siskiyouense) | | Synonym |
Epilobium oreganum | OREGON FIREWEED | Native |
Epilobium oregonense | | Native |
Epilobium pallidum | | Native |
Epilobium palustre | MARSH WILLOWHERB | Native |
Epilobium paniculatum (Under Epilobium brachycarpum) | | Synonym |
Epilobium paniculatum var. jucundum (Under Epilobium brachycarpum) | | Synonym |
Epilobium paniculatum var. laevicaule (Under Epilobium brachycarpum) | | Synonym |
Epilobium paniculatum var. tracyi (Under Epilobium brachycarpum) | | Synonym |
Epilobium pringleanum (Under Epilobium hallianum) | | Synonym |
Epilobium pringleanum var. tenue (Under Epilobium hallianum) | | Synonym |
Epilobium pygmaeum (Under Epilobium campestre) | | Illegitimate name |
Epilobium ravenii | | Native |
Epilobium rigidum | SISKIYOU MOUNTAINS WILLOWHERB | Native |
Epilobium saximontanum | | Native |
Epilobium septentrionale | HUMBOLDT COUNTY FUCHSIA | Native |
Epilobium siskiyouense | SISKIYOU FIREWEED | Native |
Epilobium torreyi | | Native |
Epilobium watsonii (Under Epilobium ciliatum subsp. watsonii) | | Synonym |
Epilobium watsonii var. franciscanum (Under Epilobium ciliatum subsp. watsonii) | | Synonym |
Epipactis ↳ Key to Epipactis | | |
Epipactis gigantea | STREAM ORCHID | Native |
Epipactis gigantea f. rubrifolia (Under Epipactis gigantea) | | Synonym |
Epipactis helleborine | BROAD-LEAVED HELLEBORINE | Naturalized |
Equisetaceae | HORSETAIL FAMILY | |
Equisetum ↳ Key to Equisetum | HORSETAIL, SCOURING RUSH | |
Equisetum ×ferrissii | FERRISS' HORSETAIL | Native |
Equisetum arvense | COMMON HORSETAIL | Native |
Equisetum fontinale (Under Equisetum laevigatum) | | Synonym |
Equisetum funstonii (Under Equisetum laevigatum) | | Synonym |
Equisetum hyemale subsp. affine | COMMON SCOURING RUSH | Native |
Equisetum hyemale var. californicum (Under Equisetum hyemale subsp. affine) | | Synonym |
Equisetum hyemale var. robustum (Under Equisetum hyemale subsp. affine) | | Synonym |
Equisetum kansanum (Under Equisetum laevigatum) | | Synonym |
Equisetum laevigatum | SMOOTH SCOURING RUSH | Native |
Equisetum palustre | MARSH HORSETAIL | Native |
Equisetum telmateia subsp. braunii | GIANT HORSETAIL | Native |
Eragrostis ↳ Key to Eragrostis | LOVE GRASS | |
Eragrostis arida (Under Eragrostis pectinacea var. miserrima) | | Synonym |
Eragrostis barrelieri | MEDITERRANEAN LOVE GRASS | Naturalized |
Eragrostis cilianensis | STINK GRASS | Naturalized |
Eragrostis curvula | WEEPING LOVE GRASS | Naturalized |
Eragrostis curvula var. curvula (Under Eragrostis curvula) | | Synonym |
Eragrostis diffusa (Under Eragrostis pectinacea var. pectinacea) | | Synonym |
Eragrostis fendleriana (Under Poa fendleriana) | | Synonym |
Eragrostis hypnoides | CREEPING LOVE GRASS | Native |
Eragrostis lehmanniana | LEHMANN'S LOVE GRASS | Naturalized |
Eragrostis lutescens | SIX-WEEKS LOVE GRASS | Native |
Eragrostis megastachya (Under Eragrostis cilianensis) | | Synonym |
Eragrostis mexicana | | Native |
Eragrostis mexicana subsp. mexicana | MEXICAN LOVE GRASS | Native |
Eragrostis mexicana subsp. virescens | CHILEAN LOVE GRASS | Native |
Eragrostis minor | LITTLE LOVE GRASS | Naturalized |
Eragrostis neomexicana (Under Eragrostis mexicana subsp. mexicana) | | Synonym |
Eragrostis orcuttiana (Under Eragrostis mexicana subsp. virescens) | | Synonym |
Eragrostis pectinacea | | Native |
Eragrostis pectinacea var. miserrima | GULF LOVE GRASS | Native |
Eragrostis pectinacea var. pectinacea | CAROLINA LOVE GRASS | Native |
Eragrostis pilosa var. pilosa | | Naturalized |
Eragrostis poaeoides (Under Eragrostis minor) | | Synonym |
Eragrostis tephrosanthos (Under Eragrostis pectinacea var. miserrima) | | Synonym |
Erechtites glomerata (Under Senecio glomeratus) | | Orthographic variant |
Erechtites glomeratus (Under Senecio glomeratus) | | Synonym |
Erechtites minima (Under Senecio minimus) | | Orthographic variant |
Erechtites minimus (Under Senecio minimus) | | Synonym |
Erechtites quadridentatus (Under Senecio quadridentatus) | | Synonym |
Eremalche ↳ Key to Eremalche | | |
Eremalche exilis | WHITE MALLOW | Native |
Eremalche kernensis (Under Eremalche parryi subsp. kernensis) | | Synonym |
Eremalche parryi | | Native |
Eremalche parryi subsp. kernensis | KERN MALLOW | Native |
Eremalche parryi subsp. parryi | PARRY'S MALLOW | Native |
Eremalche rotundifolia | DESERT FIVESPOT | Native |
Eremocarpus setiger (Under Croton setiger) | | Synonym |
Eremocarya ↳ Key to Eremocarya | | |
Eremocarya lepida | MOUNTAIN RED-ROOT | Native |
Eremocarya micrantha var. micrantha | DESERT RED-ROOT | Native |
Eremogone ↳ Key to Eremogone | SANDWORT | |
Eremogone aculeata | PRICKLY SANDWORT | Native |
Eremogone cliftonii | CLIFTON'S EREMOGONE, CLIFTON'S SANDWORT | Native |
Eremogone congesta | BALLHEAD SANDWORT | Native |
Eremogone congesta var. charlestonensis | CHARLESTON SANDWORT | Native |
Eremogone congesta var. congesta | | Native |
Eremogone congesta var. crassula | | Native |
Eremogone congesta var. simulans | | Native |
Eremogone congesta var. subcongesta | | Native |
Eremogone congesta var. suffrutescens | SUFFRUTESCENT SANDWORT | Native |
Eremogone ferrisiae | FERRIS' SANDWORT | Native |
Eremogone kingii var. glabrescens | KING'S SANDWORT | Native |
Eremogone macradenia | MOJAVE or DESERT SANDWORT | Native |
Eremogone macradenia var. arcuifolia | | Native |
Eremogone macradenia var. ferrisiae (Under Eremogone ferrisiae) | | Synonym |
Eremogone macradenia var. macradenia | | Native |
Eremogone ursina | BEAR VALLEY SANDWORT | Native |
Eremothera ↳ Key to Eremothera | | |
Eremothera boothii | | Native |
Eremothera boothii subsp. alyssoides | PINE CREEK EVENING-PRIMROSE | Native |
Eremothera boothii subsp. boothii | BOOTH'S EVENING-PRIMROSE | Native |
Eremothera boothii subsp. condensata | | Native |
Eremothera boothii subsp. decorticans | SHREDDING EVENING-PRIMROSE | Native |
Eremothera boothii subsp. desertorum | | Native |
Eremothera boothii subsp. intermedia | BOOTH'S HAIRY EVENING-PRIMROSE | Native |
Eremothera chamaenerioides | | Native |
Eremothera minor | NELSON'S EVENING-PRIMROSE | Native |
Eremothera refracta | | Native |
Erianthus ravennae (Under Saccharum ravennae) | | Synonym |
Eriastrum ↳ Key to Eriastrum | WOOLLY-STAR | |
Eriastrum abramsii | ABRAMS' WOOLLY-STAR | Native |
Eriastrum brandegeeae (Under Eriastrum ertterae) | | Misapplied name |
Eriastrum brandegeeae (Under Eriastrum tracyi) | | Synonym |
Eriastrum calocyanum | PRETTY BLUE WOOLLY-STAR | Native |
Eriastrum densifolium | PERENNIAL WOOLLY-STAR, GIANT WOOLLY-STAR | Native |
Eriastrum densifolium subsp. austromontanum | MOUNTAIN WOOLLY-STAR | Native |
Eriastrum densifolium subsp. densifolium | PERENNIAL WOOLLY-STAR | Native |
Eriastrum densifolium subsp. elongatum | ELONGATE WOOLLY-STAR | Native |
Eriastrum densifolium subsp. mohavense | MOJAVE WOOLLY-STAR | Native |
Eriastrum densifolium subsp. patens | SPREADING WOOLLY-STAR | Native |
Eriastrum densifolium subsp. sanctorum | SANTA ANA RIVER WOOLLY-STAR | Native |
Eriastrum diffusum | SPREADING WOOLLY-STAR | Native |
Eriastrum diffusum subsp. coachellae | COACHELLA WOOLLY-STAR | Native |
Eriastrum diffusum subsp. diffusum | SPREADING WOOLLY-STAR | Native |
Eriastrum eremicum subsp. eremicum | DESERT WOOLLY-STAR | Native |
Eriastrum ertterae | LIME RIDGE WOOLLY-STAR, LIME RIDGE ERIASTRUM, ERTTER'S WOOLLY-STAR | Native |
Eriastrum filifolium | THREAD-LEAVED WOOLLY-STAR | Native |
Eriastrum harwoodii | HARWOOD'S WOOLLY-STAR | Native |
Eriastrum hooveri | HOOVER'S WOOLLY-STAR | Native |
Eriastrum hooveri (Under Eriastrum ertterae) | | Misapplied name |
Eriastrum luteum | YELLOW WOOLLY-STAR, YELLOW-FLOWERED ERIASTRUM | Native |
Eriastrum pluriflorum | MANY-FLOWERED WOOLLY-STAR | Native |
Eriastrum pluriflorum subsp. albifaux | WHITE-THROATED WOOLLY-STAR | Native |
Eriastrum pluriflorum subsp. pluriflorum | MANY-FLOWERED WOOLLY-STAR, MANY-FLOWERED ERIASTRUM | Native |
Eriastrum pluriflorum subsp. sherman-hoytae | MRS. HOYT'S WOOLLY-STAR | Native |
Eriastrum rosamondense | ROSAMOND WOOLLY-STAR, ROSAMOND ERIASTRUM | Native |
Eriastrum sapphirinum | SAPPHIRE WOOLLY-STAR | Native |
Eriastrum sapphirinum subsp. ambiguum | SHORT-BRACT WOOLLY-STAR | Native |
Eriastrum sapphirinum subsp. brevibracteatum (Under Eriastrum sapphirinum subsp. ambiguum) | | Synonym |
Eriastrum sapphirinum subsp. dasyanthum | SHAGGY WOOLLY-STAR | Native |
Eriastrum sapphirinum subsp. gymnocephalum (Under Eriastrum sapphirinum subsp. sapphirinum) | | Synonym |
Eriastrum sapphirinum subsp. sapphirinum | SAPPHIRE WOOLLY-STAR | Native |
Eriastrum signatum | SPOTTED WOOLLY-STAR | Native |
Eriastrum sparsiflorum | FEW-FLOWERED WOOLLY-STAR | Native |
Eriastrum sparsiflorum subsp. harwoodii (Under Eriastrum harwoodii) | | Synonym |
Eriastrum tracyi | TRACY'S WOOLLY-STAR, TRACY'S ERIASTRUM | Native |
Eriastrum virgatum | WAND WOOLLY-STAR, VIRGATE ERIASTRUM | Native |
Eriastrum wilcoxii | WILCOX'S WOOLLY-STAR | Native |
Eriastrum wilcoxii (Under Eriastrum calocyanum) | | Misapplied name |
Erica | HEATH | |
Erica lusitanica | | Naturalized |
Ericaceae ↳ Key to Ericaceae | HEATH FAMILY | |
Ericameria ↳ Key to Ericameria | GOLDENBUSH, RABBITBRUSH | |
Ericameria albida | WHITE-FLOWERED RABBITBRUSH | Native |
Ericameria arborescens | GOLDEN-FLEECE | Native |
Ericameria arborescens subsp. parishii (Under Ericameria parishii var. parishii) | | Synonym |
Ericameria bloomeri | BLOOMER'S GOLDENBUSH | Native |
Ericameria brachylepis | BOUNDARY GOLDENBUSH | Native |
Ericameria cooperi var. cooperi | COOPER'S GOLDENBUSH | Native |
Ericameria cuneata | WEDGELEAF GOLDENBUSH | Native |
Ericameria cuneata var. cuneata | CLIFF GOLDENBUSH | Native |
Ericameria cuneata var. macrocephala | LAGUNA MOUNTAINS GOLDENBUSH | Native |
Ericameria cuneata var. spathulata | | Native |
Ericameria discoidea | WHITESTEM GOLDENBUSH | Native |
Ericameria ericoides | MOCK HEATHER, CALIFORNIA GOLDENBUSH | Native |
Ericameria fasciculata | EASTWOOD'S GOLDENBUSH | Native |
Ericameria gilmanii | GILMAN'S GOLDENBUSH | Native |
Ericameria greenei | GREENE'S GOLDENBUSH | Native |
Ericameria laricifolia | TURPENTINE-BRUSH | Native |
Ericameria linearifolia | INTERIOR GOLDENBUSH | Native |
Ericameria monocephala (Under Ericameria parryi var. monocephala) | | Synonym |
Ericameria nana | DWARF GOLDENBUSH | Native |
Ericameria nauseosa | RUBBER RABBITBRUSH | Native |
Ericameria nauseosa var. bernardina | BERNARDINA RABBITBRUSH | Native |
Ericameria nauseosa var. ceruminosa | DESERT RABBITBRUSH | Native |
Ericameria nauseosa var. hololeuca | WHITE RABBITBRUSH | Native |
Ericameria nauseosa var. leiosperma | SMOOTH-FRUIT RABBITBRUSH | Native |
Ericameria nauseosa var. mohavensis | MOJAVE RABBITBRUSH | Native |
Ericameria nauseosa var. oreophila | GREAT BASIN RABBITBRUSH | Native |
Ericameria nauseosa var. speciosa | SHOWY RABBITBRUSH | Native |
Ericameria nauseosa var. washoensis | WASHOE RABBITBRUSH | Native |
Ericameria ophitidis | SERPENTINE GOLDENBUSH | Native |
Ericameria palmeri | | Native |
Ericameria palmeri var. pachylepis | THICKBRACTED GOLDENBUSH | Native |
Ericameria palmeri var. palmeri | PALMER'S GOLDENBUSH | Native |
Ericameria paniculata | BLACK-BANDED RABBITBRUSH | Native |
Ericameria parishii var. parishii | PARISH'S GOLDENBUSH | Native |
Ericameria parryi | PARRY'S GOLDENBUSH | Native |
Ericameria parryi var. aspera | ROUGH RABBITBRUSH | Native |
Ericameria parryi var. imula | LOW RABBITBRUSH | Native |
Ericameria parryi var. latior | WIDELEAF RABBITBRUSH | Native |
Ericameria parryi var. monocephala | ONE-HEADED RABBITBRUSH | Native |
Ericameria parryi var. nevadensis | NEVADA RABBITBRUSH | Native |
Ericameria parryi var. vulcanica | VULCAN RABBITBRUSH | Native |
Ericameria pinifolia | PINE-BUSH | Native |
Ericameria suffruticosa | SINGLEHEAD GOLDENBUSH | Native |
Ericameria teretifolia | GREEN or ROUND-LEAF RABBITBRUSH | Native |
Erigeron ↳ Key to Erigeron | FLEABANE DAISY | |
Erigeron acris var. debilis (Under Erigeron nivalis) | | Synonym |
Erigeron aequifolius | HALL'S DAISY | Native |
Erigeron algidus | SIERRA FLEABANE | Native |
Erigeron aliceae | ALICE EASTWOOD'S FLEABANE | Native |
Erigeron angustatus (Under Erigeron greenei) | | Illegitimate name |
Erigeron annuus | ANNUAL FLEABANE | Naturalized |
Erigeron aphanactis | RAYLESS SHAGGY FLEABANE | Native |
Erigeron aphanactis var. aphanactis | | Native |
Erigeron aphanactis var. congestus | | Native |
Erigeron argentatus | SILVER FLEABANE | Native |
Erigeron austiniae (Under Erigeron chrysopsidis var. austiniae) | | Synonym |
Erigeron barbellulatus | SHINING FLEABANE | Native |
Erigeron biolettii | STREAMSIDE DAISY | Native |
Erigeron blasdalei (Under Erigeron foliosus var. hartwegii) | | Synonym |
Erigeron blochmaniae | BLOCHMAN'S LEAFY DAISY | Native |
Erigeron bloomeri | BLOOMER'S FLEABANE | Native |
Erigeron bloomeri var. bloomeri | | Native |
Erigeron bloomeri var. nudatus | WALDO DAISY | Native |
Erigeron bloomeri var. pubens (Under Erigeron bloomeri var. bloomeri) | | Synonym |
Erigeron bonariensis | FLAX-LEAVED HORSEWEED | Naturalized |
Erigeron breweri | BREWER'S FLEABANE | Native |
Erigeron breweri var. bisanctus | | Native |
Erigeron breweri var. breweri | | Native |
Erigeron breweri var. covillei | | Native |
Erigeron breweri var. elmeri (Under Erigeron elmeri) | | Synonym |
Erigeron breweri var. jacinteus | SAN JACINTO MOUNTAINS DAISY | Native |
Erigeron breweri var. klamathensis (Under Erigeron klamathensis) | | Synonym |
Erigeron breweri var. porphyreticus | | Native |
Erigeron californicus (Under Erigeron incomptus) | | Misapplied name |
Erigeron calvus | BALD DAISY | Native |
Erigeron canadensis | HORSEWEED | Native |
Erigeron cervinus | SISKIYOU DAISY | Native |
Erigeron chrysopsidis subsp. austiniae (Under Erigeron chrysopsidis var. austiniae) | | Synonym |
Erigeron chrysopsidis var. austiniae | DWARF YELLOW FLEABANE | Native |
Erigeron clokeyi var. pinzliae | PINZL'S FLEABANE | Native |
Erigeron compactus | COMPACT DAISY | Native |
Erigeron compositus | CUT-LEAF FLEABANE | Native |
Erigeron compositus var. discoideus (Under Erigeron compositus) | | Synonym |
Erigeron compositus var. glabratus (Under Erigeron compositus) | | Synonym |
Erigeron concinnus var. concinnus | NAVAJO FLEABANE | Native |
Erigeron conditii | CONDIT'S FLEABANE | Native |
Erigeron coulteri | COULTER'S FLEABANE | Native |
Erigeron debilis (Under Erigeron nivalis) | | Synonym |
Erigeron decumbens subsp. robustior (Under Erigeron robustior) | | Synonym |
Erigeron decumbens var. robustior (Under Erigeron robustior) | | Synonym |
Erigeron delicatus (Under Erigeron cervinus) | | Synonym |
Erigeron divergens | SPREADING FLEABANE | Native |
Erigeron eatonii | EATON'S FLEABANE | Native |
Erigeron eatonii var. nevadincola | NEVADA DAISY | Native |
Erigeron eatonii var. plantagineus | | Native |
Erigeron eatonii var. sonnei | | Native |
Erigeron elegantulus | VOLCANIC DAISY | Native |
Erigeron elmeri | ELMER'S FLEABANE | Native |
Erigeron filifolius | THREAD-LEAF FLEABANE | Native |
Erigeron filifolius var. robustior (Under Erigeron filifolius) | | Synonym |
Erigeron flagellaris | TRAILING FLEABANE | Native |
Erigeron foliosus | LEAFY FLEABANE | Native |
Erigeron foliosus var. blochmaniae (Under Erigeron blochmaniae) | | Synonym |
Erigeron foliosus var. confinis | | Native |
Erigeron foliosus var. foliosus | | Native |
Erigeron foliosus var. franciscensis | | Native |
Erigeron foliosus var. hartwegii | | Native |
Erigeron foliosus var. mendocinus | | Native |
Erigeron foliosus var. setchellii (Under Erigeron foliosus var. foliosus) | | Synonym |
Erigeron glacialis | SUBALPINE FLEABANE | Native |
Erigeron glacialis var. glacialis | | Native |
Erigeron glacialis var. hirsutus | | Native |
Erigeron glaucus | SEASIDE DAISY | Native |
Erigeron greenei | GREENE'S NARROW-LEAVED DAISY | Native |
Erigeron incomptus | CALIFORNIA FLEABANE | Native |
Erigeron inornatus | WESTERN RAYLESS FLEABANE | Native |
Erigeron inornatus var. angustatus (Under Erigeron reductus var. angustatus) | | Synonym |
Erigeron inornatus var. biolettii (Under Erigeron biolettii) | | Synonym |
Erigeron inornatus var. calidipetris | HOT ROCK DAISY | Native |
Erigeron inornatus var. inornatus | | Native |
Erigeron inornatus var. keilii | KEIL'S DAISY | Native |
Erigeron jacinteus (Under Erigeron breweri var. jacinteus) | | Synonym |
Erigeron karvinskianus | SANTA BARBARA DAISY | Naturalized |
Erigeron klamathensis | KLAMATH FLEABANE | Native |
Erigeron lassenianus | LASSEN FLEABANE | Native |
Erigeron lassenianus var. deficiens | | Native |
Erigeron lassenianus var. lassenianus | | Native |
Erigeron linearis | DESERT YELLOW FLEABANE | Native |
Erigeron lobatus (Under Erigeron divergens) | | Misapplied name |
Erigeron lonchophyllus | SHORT-RAYED FLEABANE | Native |
Erigeron maniopotamicus | MAD RIVER FLEABANE DAISY | Native |
Erigeron mariposanus | MARIPOSA DAISY | Native |
Erigeron mendocinensis (Under Erigeron foliosus var. mendocinus) | | Synonym |
Erigeron mendocinus (Under Erigeron foliosus var. mendocinus) | | Illegitimate name |
Erigeron miser | STARVED DAISY | Native |
Erigeron multiceps | KERN RIVER DAISY | Native |
Erigeron nevadensis var. pygmaeus (Under Erigeron pygmaeus) | | Synonym |
Erigeron nevadincola (Under Erigeron eatonii var. nevadincola) | | Synonym |
Erigeron nivalis | SNOW FLEABANE DAISY | Native |
Erigeron oxyphyllus | WAND-LIKE FLEABANE DAISY | Native |
Erigeron parishii | PARISH'S DAISY | Native |
Erigeron peregrinus subsp. callianthemus (Under Erigeron glacialis var. glacialis) | | Synonym |
Erigeron peregrinus var. angustifolius (Under Erigeron glacialis var. glacialis) | | Synonym |
Erigeron peregrinus var. callianthemus (Under Erigeron glacialis var. glacialis) | | Synonym |
Erigeron peregrinus var. hirsutus (Under Erigeron glacialis var. hirsutus) | | Synonym |
Erigeron petiolaris (Under Erigeron algidus) | | Synonym |
Erigeron petrophilus | ROCK-LOVING FLEABANE | Native |
Erigeron petrophilus var. petrophilus | | Native |
Erigeron petrophilus var. sierrensis | NORTHERN SIERRA DAISY | Native |
Erigeron petrophilus var. viscidulus | KLAMATH ROCK DAISY | Native |
Erigeron philadelphicus var. philadelphicus | PHILADELPHIA FLEABANE | Native |
Erigeron plantagineus (Under Erigeron eatonii var. plantagineus) | | Synonym |
Erigeron pumilus subsp. intermedius (Under Erigeron pumilus var. intermedius) | | Synonym |
Erigeron pumilus var. gracilior (Under Erigeron pumilus var. intermedius) | | Synonym |
Erigeron pumilus var. intermedius | SHAGGY FLEABANE | Native |
Erigeron pygmaeus | PYGMY FLEABANE | Native |
Erigeron reductus | LITTLE RAYLESS FLEABANE | Native |
Erigeron reductus var. angustatus | | Native |
Erigeron reductus var. reductus | CALIFORNIA RAYLESS DAISY | Native |
Erigeron robustior | ROBUST DAISY | Native |
Erigeron sanctarum | SAINTS' DAISY | Native |
Erigeron serpentinus | SERPENTINE DAISY | Native |
Erigeron setchellii (Under Erigeron foliosus var. foliosus) | | Synonym |
Erigeron strigosus var. septentrionalis (Under Erigeron strigosus var. strigosus) | | Synonym |
Erigeron strigosus var. strigosus | PRAIRIE FLEABANE | Naturalized |
Erigeron sumatrensis | TROPICAL HORSEWEED | Naturalized |
Erigeron supplex | SUPPLE DAISY | Native |
Erigeron tener | THIN DAISY | Native |
Erigeron uncialis subsp. uncialis (Under Erigeron uncialis var. uncialis) | | Synonym |
Erigeron uncialis var. uncialis | LIMESTONE DAISY | Native |
Erigeron utahensis | UTAH DAISY | Native |
Erigeron vagus | RAMBLING FLEABANE | Native |
Eriobotrya | LOQUAT | |
Eriobotrya japonica | | Agricultural, garden, or urban weed |
Eriochloa ↳ Key to Eriochloa | CUP GRASS | |
Eriochloa acuminata var. acuminata | SOUTHWESTERN CUP GRASS, SUMMER GRASS | Native |
Eriochloa aristata var. aristata | AWNED CUP GRASS | Naturalized |
Eriochloa contracta | PRAIRIE CUP GRASS | Naturalized |
Eriochloa gracilis (Under Eriochloa acuminata var. acuminata) | | Synonym |
Eriodictyon ↳ Key to Eriodictyon | YERBA SANTA | |
Eriodictyon altissimum | INDIAN KNOB MOUNTAINBALM | Native |
Eriodictyon angustifolium | NARROW-LEAVED YERBA SANTA | Native |
Eriodictyon californicum | CALIFORNIA YERBA SANTA | Native |
Eriodictyon californicum var. lanatum (Under Eriodictyon trichocalyx var. lanatum) | | Synonym |
Eriodictyon capitatum | LOMPOC YERBA SANTA | Native |
Eriodictyon crassifolium | | Native |
Eriodictyon crassifolium var. crassifolium | THICK-LEAVED YERBA SANTA | Native |
Eriodictyon crassifolium var. denudatum (Under Eriodictyon crassifolium var. nigrescens) | | Synonym |
Eriodictyon crassifolium var. nigrescens | BICOLORED YERBA SANTA | Native |
Eriodictyon lanatum (Under Eriodictyon trichocalyx var. lanatum) | | Synonym |
Eriodictyon lobbii | MATTED YERBA SANTA | Native |
Eriodictyon parryi | POODLE-DOG BUSH | Native |
Eriodictyon sessilifolium | SESSILE-LEAVED YERBA SANTA | Native |
Eriodictyon tomentosum | WOOLLY YERBA SANTA | Native |
Eriodictyon traskiae | | Native |
Eriodictyon traskiae subsp. smithii | SMITH'S YERBA SANTA | Native |
Eriodictyon traskiae subsp. traskiae | TRASK'S YERBA SANTA | Native |
Eriodictyon trichocalyx | | Native |
Eriodictyon trichocalyx var. lanatum | SAN DIEGO YERBA SANTA | Native |
Eriodictyon trichocalyx var. trichocalyx | HAIRY YERBA SANTA | Native |
Eriogonella membranacea (Under Chorizanthe membranacea) | | Synonym |
Eriogonella spinosa (Under Chorizanthe spinosa) | | Synonym |
Eriogonum ↳ Key to Eriogonum | WILD BUCKWHEAT | |
Eriogonum abramsii (Under Acanthoscyphus parishii var. abramsii) | | Synonym |
Eriogonum abramsii subsp. acanthoscyphus (Under Acanthoscyphus parishii var. parishii) | | Synonym |
Eriogonum acetoselloides (Under Eriogonum gracile var. gracile) | | Synonym |
Eriogonum affine (Under Eriogonum nudum var. oblongifolium) | | Synonym |
Eriogonum agninum (Under Eriogonum cithariforme var. agninum) | | Synonym |
Eriogonum alpinum | TRINITY BUCKWHEAT | Native |
Eriogonum ampullaceum | MONO WILD BUCKWHEAT | Native |
Eriogonum andinum (Under Eriogonum caespitosum) | | Synonym |
Eriogonum angulosum | ANGLE-STEM WILD BUCKWHEAT | Native |
Eriogonum angulosum subsp. bidentatum (Under Eriogonum viridescens) | | Synonym |
Eriogonum angulosum subsp. gracillimum (Under Eriogonum gracillimum) | | Synonym |
Eriogonum angulosum subsp. maculatum (Under Eriogonum maculatum) | | Synonym |
Eriogonum angulosum subsp. victorense (Under Eriogonum gracillimum) | | Synonym |
Eriogonum angulosum subsp. viridescens (Under Eriogonum viridescens) | | Synonym |
Eriogonum angulosum var. flabellatum (Under Eriogonum maculatum) | | Synonym |
Eriogonum angulosum var. gracillimum (Under Eriogonum gracillimum) | | Synonym |
Eriogonum angulosum var. maculatum (Under Eriogonum maculatum) | | Synonym |
Eriogonum angulosum var. patens (Under Eriogonum maculatum) | | Synonym |
Eriogonum angulosum var. pauciflorum (Under Eriogonum maculatum) | | Synonym |
Eriogonum angulosum var. rectipes (Under Eriogonum maculatum) | | Synonym |
Eriogonum angulosum var. variable (Under Eriogonum gracillimum) | | Synonym |
Eriogonum angulosum var. victorense (Under Eriogonum gracillimum) | | Synonym |
Eriogonum angulosum var. viridescens (Under Eriogonum viridescens) | | Synonym |
Eriogonum angustifolium (Under Eriogonum heracleoides var. heracleoides) | | Synonym |
Eriogonum anserinum (Under Eriogonum strictum var. anserinum) | | Synonym |
Eriogonum apachense (Under Eriogonum heermannii var. argense) | | Synonym |
Eriogonum apiculatum | SAN JACINTO WILD BUCKWHEAT | Native |
Eriogonum apricum | | Native |
Eriogonum apricum var. apricum | IONE BUCKWHEAT | Native |
Eriogonum apricum var. prostratum | IRISH HILL BUCKWHEAT | Native |
Eriogonum arachnoideum (Under Eriogonum latifolium) | | Synonym |
Eriogonum arborescens | SANTA CRUZ ISLAND WILD BUCKWHEAT | Native |
Eriogonum argillosum | CLAY BUCKWHEAT | Native |
Eriogonum aridum (Under Eriogonum umbellatum var. dichrocephalum) | | Synonym |
Eriogonum aspalathoides (Under Eriogonum fasciculatum var. fasciculatum) | | Synonym |
Eriogonum aureum var. ambiguum (Under Eriogonum microtheca var. ambiguum) | | Synonym |
Eriogonum auriculatum (Under Eriogonum nudum var. auriculatum) | | Synonym |
Eriogonum baileyi | | Native |
Eriogonum baileyi subsp. elegans (Under Eriogonum elegans) | | Synonym |
Eriogonum baileyi var. baileyi | BAILEY'S WILD BUCKWHEAT | Native |
Eriogonum baileyi var. brachyanthum (Under Eriogonum brachyanthum) | | Synonym |
Eriogonum baileyi var. davidsonii (Under Eriogonum davidsonii) | | Synonym |
Eriogonum baileyi var. divaricatum (Under Eriogonum baileyi var. praebens) | | Synonym |
Eriogonum baileyi var. porphyreticum (Under Eriogonum baileyi var. baileyi) | | Synonym |
Eriogonum baileyi var. praebens | BAILEY'S WOOLLY BUCKWHEAT | Native |
Eriogonum baileyi var. tomentosum (Under Eriogonum palmerianum) | | Synonym |
Eriogonum baratum (Under Eriogonum deflexum var. baratum) | | Synonym |
Eriogonum beatleyae (Under Eriogonum rosense var. rosense) | | Misapplied name |
Eriogonum bellum (Under Eriogonum strictum var. proliferum) | | Synonym |
Eriogonum bidentatum (Under Eriogonum viridescens) | | Synonym |
Eriogonum bifurcatum | FORKED BUCKWHEAT | Native |
Eriogonum biumbellatum (Under Eriogonum umbellatum var. subaridum) | | Synonym |
Eriogonum bloomeri (Under Eriogonum saxatile) | | Synonym |
Eriogonum brachyanthum | SHORT-FLOWER WILD BUCKWHEAT | Native |
Eriogonum brachypodum | PARRY'S WILD BUCKWHEAT | Native |
Eriogonum breedlovei | | Native |
Eriogonum breedlovei var. breedlovei | BREEDLOVE'S BUCKWHEAT | Native |
Eriogonum breedlovei var. shevockii | THE NEEDLES BUCKWHEAT | Native |
Eriogonum butterworthianum | BUTTERWORTH'S BUCKWHEAT | Native |
Eriogonum caespitosum | MATTED WILD BUCKWHEAT | Native |
Eriogonum caespitosum var. alyssoides (Under Eriogonum caespitosum) | | Synonym |
Eriogonum caespitosum var. kelloggii (Under Eriogonum kelloggii) | | Synonym |
Eriogonum callistum | TEHACHAPI BUCKWHEAT | Native |
Eriogonum caninum (Under Eriogonum luteolum var. caninum) | | Synonym |
Eriogonum capitatum (Under Eriogonum nudum var. oblongifolium) | | Synonym |
Eriogonum carneum (Under Eriogonum glandulosum) | | Synonym |
Eriogonum caryophylloides (Under Sidotheca caryophylloides) | | Synonym |
Eriogonum cedrorum | THE CEDARS BUCKWHEAT | Native |
Eriogonum cernuum | NODDING WILD BUCKWHEAT | Native |
Eriogonum cernuum subsp. acutangulum (Under Eriogonum maculatum) | | Synonym |
Eriogonum cernuum subsp. tenue (Under Eriogonum cernuum) | | Synonym |
Eriogonum cernuum subsp. thurberi (Under Eriogonum thurberi) | | Synonym |
Eriogonum cernuum subsp. viminale (Under Eriogonum cernuum) | | Synonym |
Eriogonum cernuum subsp. viscosum (Under Eriogonum thurberi) | | Synonym |
Eriogonum cernuum var. psammophilum (Under Eriogonum cernuum) | | Synonym |
Eriogonum cernuum var. purpurascens (Under Eriogonum nutans var. nutans) | | Synonym |
Eriogonum cernuum var. tenue (Under Eriogonum cernuum) | | Synonym |
Eriogonum cernuum var. umbraticum (Under Eriogonum cernuum) | | Synonym |
Eriogonum cernuum var. viminale (Under Eriogonum cernuum) | | Synonym |
Eriogonum cinereum | COASTAL WILD BUCKWHEAT | Native |
Eriogonum cithariforme | | Native |
Eriogonum cithariforme var. agninum | SANTA YNEZ WILD BUCKWHEAT | Native |
Eriogonum cithariforme var. cithariforme | CITHARA WILD BUCKWHEAT | Native |
Eriogonum clavatum | HOOVER'S DESERT TRUMPET | Native |
Eriogonum clutei (Under Eriogonum inflatum) | | Synonym |
Eriogonum collinum | HILL BUCKWHEAT | Native |
Eriogonum commixtum (Under Eriogonum baileyi var. praebens) | | Synonym |
Eriogonum comosum (Under Eriogonum reniforme) | | Synonym |
Eriogonum comosum var. playanum (Under Eriogonum pusillum) | | Synonym |
Eriogonum compositum var. citrinum (Under Eriogonum compositum var. compositum) | | Synonym |
Eriogonum compositum var. compositum | ARROW-LEAF WILD BUCKWHEAT | Native |
Eriogonum compositum var. pilicaule (Under Eriogonum compositum var. compositum) | | Synonym |
Eriogonum confertiflorum (Under Eriogonum microtheca var. laxiflorum) | | Synonym |
Eriogonum congdonii | CONGDON'S BUCKWHEAT | Native |
Eriogonum contiguum | REVEAL'S BUCKWHEAT | Native |
Eriogonum cordatum (Under Eriogonum trichopes) | | Synonym |
Eriogonum coryphaeum (Under Eriogonum pyrolifolium var. coryphaeum) | | Synonym |
Eriogonum covilleanum | COVILLE'S WILD BUCKWHEAT | Native |
Eriogonum covilleanum subsp. adsurgens (Under Eriogonum eastwoodianum) | | Synonym |
Eriogonum covillei (Under Eriogonum umbellatum var. covillei) | | Synonym |
Eriogonum crocatum | CONEJO BUCKWHEAT | Native |
Eriogonum cupulatum (Under Eriogonum marifolium var. cupulatum) | | Synonym |
Eriogonum curvatum (Under Eriogonum wrightii var. subscaposum) | | Synonym |
Eriogonum cusickii (Under Eriogonum strictum var. proliferum) | | Illegitimate name |
Eriogonum cusickii var. californicum (Under Eriogonum strictum var. proliferum) | | Synonym |
Eriogonum cuspidatum (Under Oxytheca watsonii) | | Synonym |
Eriogonum dasyanthemum | CHAPARRAL WILD BUCKWHEAT | Native |
Eriogonum dasyanthemum var. jepsonii (Under Eriogonum dasyanthemum) | | Synonym |
Eriogonum davidsonii | DAVIDSON'S WILD BUCKWHEAT | Native |
Eriogonum davisianum (Under Eriogonum ovalifolium var. purpureum) | | Synonym |
Eriogonum deductum (Under Eriogonum nudum var. deductum) | | Synonym |
Eriogonum deflexum | SKELETON WEED | Native |
Eriogonum deflexum f. stenopetala (Under Eriogonum deflexum var. deflexum) | | Synonym |
Eriogonum deflexum subsp. baratum (Under Eriogonum deflexum var. baratum) | | Synonym |
Eriogonum deflexum subsp. brachypodum (Under Eriogonum brachypodum) | | Synonym |
Eriogonum deflexum subsp. hookeri (Under Eriogonum hookeri) | | Synonym |
Eriogonum deflexum subsp. insigne (Under Eriogonum deflexum var. deflexum) | | Synonym |
Eriogonum deflexum subsp. parryi (Under Eriogonum brachypodum) | | Synonym |
Eriogonum deflexum subsp. rixfordii (Under Eriogonum rixfordii) | | Synonym |
Eriogonum deflexum subsp. ultrum (Under Eriogonum nutans var. nutans) | | Synonym |
Eriogonum deflexum var. baratum | TALL SKELETON WEED | Native |
Eriogonum deflexum var. brachypodum (Under Eriogonum brachypodum) | | Synonym |
Eriogonum deflexum var. deflexum | FLAT-TOPPED SKELETON WEED | Native |
Eriogonum deflexum var. gilvum (Under Eriogonum hookeri) | | Synonym |
Eriogonum deflexum var. insigne (Under Eriogonum deflexum var. deflexum) | | Synonym |
Eriogonum deflexum var. nevadense | NEVADA SKELETON WEED | Native |
Eriogonum deflexum var. rectum (Under Eriogonum deflexum var. deflexum) | | Synonym |
Eriogonum deflexum var. turbinatum (Under Eriogonum deflexum var. deflexum) | | Synonym |
Eriogonum delicatulum (Under Eriogonum mohavense) | | Synonym |
Eriogonum dendroideum (Under Oxytheca dendroidea subsp. dendroidea) | | Synonym |
Eriogonum dendroideum var. hillmanii (Under Oxytheca dendroidea subsp. dendroidea) | | Synonym |
Eriogonum densum (Under Eriogonum polycladon) | | Synonym |
Eriogonum denudatum (Under Eriogonum elongatum var. elongatum) | | Synonym |
Eriogonum denudatum (Under Nemacaulis denudata var. denudata) | | Illegitimate name |
Eriogonum deserticola | COLORADO DESERT WILD BUCKWHEAT | Native |
Eriogonum dichroanthum (Under Eriogonum ovalifolium var. purpureum) | | Synonym |
Eriogonum diclinum | JAYNES CANYON BUCKWHEAT | Native |
Eriogonum douglasii (Under Eriogonum douglasii var. meridionale) | | Noted name |
Eriogonum douglasii var. douglasii (Under Eriogonum douglasii var. meridionale) | | Misapplied name |
Eriogonum douglasii var. meridionale | SOUTHERN WILD BUCKWHEAT | Native |
Eriogonum douglasii var. twisselmannii (Under Eriogonum twisselmannii) | | Synonym |
Eriogonum dudleyanum (Under Eriogonum nummulare) | | Synonym |
Eriogonum dumosum (Under Eriogonum umbellatum var. dumosum) | | Synonym |
Eriogonum eastwoodianum | EASTWOOD'S BUCKWHEAT | Native |
Eriogonum effusum subsp. nelsonii (Under Eriogonum microtheca var. simpsonii) | | Synonym |
Eriogonum effusum subsp. simpsonii (Under Eriogonum microtheca var. simpsonii) | | Synonym |
Eriogonum effusum var. foliosum (Under Eriogonum microtheca var. simpsonii) | | Synonym |
Eriogonum effusum var. limbatum (Under Eriogonum microtheca var. panamintense) | | Synonym |
Eriogonum elatum | | Native |
Eriogonum elatum subsp. glabrescens (Under Eriogonum latens) | | Synonym |
Eriogonum elatum subsp. villosum (Under Eriogonum elatum var. villosum) | | Synonym |
Eriogonum elatum var. elatum | TALL WILD BUCKWHEAT | Native |
Eriogonum elatum var. erianthum (Under Eriogonum elatum var. elatum) | | Synonym |
Eriogonum elatum var. incurvum (Under Eriogonum elatum var. villosum) | | Synonym |
Eriogonum elatum var. limonifolium (Under Eriogonum elatum var. elatum) | | Synonym |
Eriogonum elatum var. villosum | TALL WOOLLY WILD BUCKWHEAT | Native |
Eriogonum elegans | ELEGANT WILD BUCKWHEAT | Native |
Eriogonum ellipticum var. megacephalum (Under Eriogonum sphaerocephalum var. sphaerocephalum) | | Synonym |
Eriogonum elongatum var. elongatum | LONG-STEM WILD BUCKWHEAT | Native |
Eriogonum emarginatum (Under Sidotheca emarginata) | | Synonym |
Eriogonum eremicola | WILDROSE CANYON BUCKWHEAT | Native |
Eriogonum ericifolium subsp. thornei (Under Eriogonum thornei) | | Synonym |
Eriogonum ericifolium var. thornei (Under Eriogonum thornei) | | Synonym |
Eriogonum esmeraldense var. esmeraldense | ESMERALDA WILD BUCKWHEAT | Native |
Eriogonum esmeraldense var. tayei (Under Eriogonum esmeraldense var. esmeraldense) | | Synonym |
Eriogonum evanidum | VANISHING WILD BUCKWHEAT | Native |
Eriogonum exaltatum | LADDER WILD BUCKWHEAT | Native |
Eriogonum eximium (Under Eriogonum ovalifolium var. eximium) | | Synonym |
Eriogonum fasciculatum | CALIFORNIA BUCKWHEAT | Native |
Eriogonum fasciculatum subsp. aspalathoides (Under Eriogonum fasciculatum var. fasciculatum) | | Synonym |
Eriogonum fasciculatum subsp. flavoviride (Under Eriogonum fasciculatum var. flavoviride) | | Synonym |
Eriogonum fasciculatum subsp. foliolosum (Under Eriogonum fasciculatum var. foliolosum) | | Synonym |
Eriogonum fasciculatum subsp. polifolium (Under Eriogonum fasciculatum var. polifolium) | | Synonym |
Eriogonum fasciculatum var. aspalathoides (Under Eriogonum fasciculatum var. fasciculatum) | | Synonym |
Eriogonum fasciculatum var. fasciculatum | COASTAL CALIFORNIA BUCKWHEAT | Native |
Eriogonum fasciculatum var. flavoviride | SONORAN DESERT CALIFORNIA BUCKWHEAT | Native |
Eriogonum fasciculatum var. foliolosum | LEAFY CALIFORNIA BUCKWHEAT | Native |
Eriogonum fasciculatum var. maritimum (Under Eriogonum fasciculatum var. fasciculatum) | | Synonym |
Eriogonum fasciculatum var. obtusiflorum (Under Eriogonum fasciculatum var. foliolosum) | | Synonym |
Eriogonum fasciculatum var. oleifolium (Under Eriogonum fasciculatum var. fasciculatum) | | Synonym |
Eriogonum fasciculatum var. polifolium | MOJAVE DESERT CALIFORNIA BUCKWHEAT | Native |
Eriogonum fasciculatum var. revolutum (Under Eriogonum fasciculatum var. polifolium) | | Synonym |
Eriogonum ferrissii (Under Eriogonum umbellatum var. subaridum) | | Synonym |
Eriogonum flavissimum (Under Eriogonum strictum var. anserinum) | | Synonym |
Eriogonum foliosum (Under Eriogonum evanidum) | | Noted name |
Eriogonum foliosum (Under Eriogonum evanidum) | | Misapplied name |
Eriogonum formosum (Under Eriogonum giganteum var. formosum) | | Synonym |
Eriogonum friscanum (Under Eriogonum microtheca var. simpsonii) | | Synonym |
Eriogonum fruticosum var. ambiguum (Under Eriogonum microtheca var. ambiguum) | | Synonym |
Eriogonum fulvum (Under Eriogonum strictum var. proliferum) | | Synonym |
Eriogonum geniculatum (Under Eriogonum heermannii var. heermannii) | | Illegitimate name |
Eriogonum geniculatum (Under Eriogonum sphaerocephalum var. sphaerocephalum) | | Synonym |
Eriogonum giganteum | ST. CATHERINE'S-LACE | Native |
Eriogonum giganteum subsp. compactum (Under Eriogonum giganteum var. compactum) | | Synonym |
Eriogonum giganteum subsp. formosum (Under Eriogonum giganteum var. formosum) | | Synonym |
Eriogonum giganteum var. compactum | SANTA BARBARA ISLAND BUCKWHEAT | Native |
Eriogonum giganteum var. formosum | SAN CLEMENTE ISLAND BUCKWHEAT | Native |
Eriogonum giganteum var. giganteum | SANTA CATALINA ISLAND BUCKWHEAT | Native |
Eriogonum gilmanii | GILMAN'S BUCKWHEAT | Native |
Eriogonum glaberrimum (Under Eriogonum umbellatum var. glaberrimum) | | Synonym |
Eriogonum glandulosum | GLANDULAR WILD BUCKWHEAT | Native |
Eriogonum glandulosum var. carneum (Under Eriogonum glandulosum) | | Synonym |
Eriogonum glaucum (Under Eriogonum inflatum) | | Synonym |
Eriogonum gossypinum | COTTONY BUCKWHEAT | Native |
Eriogonum gracile | | Native |
Eriogonum gracile var. acetoselloides (Under Eriogonum gracile var. gracile) | | Synonym |
Eriogonum gracile var. cithariforme (Under Eriogonum cithariforme var. cithariforme) | | Synonym |
Eriogonum gracile var. effusum (Under Eriogonum baileyi var. baileyi) | | Synonym |
Eriogonum gracile var. gracile | SLENDER WOOLLY WILD BUCKWHEAT | Native |
Eriogonum gracile var. incultum | PALOMAR MOUNTAIN WILD BUCKWHEAT | Native |
Eriogonum gracile var. leucocladon (Under Eriogonum gracile var. gracile) | | Synonym |
Eriogonum gracile var. polygonoides (Under Eriogonum cithariforme var. agninum) | | Synonym |
Eriogonum gracilipes | WHITE MOUNTAINS WILD BUCKWHEAT | Native |
Eriogonum gracillimum | ROSE-AND-WHITE WILD BUCKWHEAT | Native |
Eriogonum gramineum (Under Eriogonum nudum var. westonii) | | Synonym |
Eriogonum grande | | Native |
Eriogonum grande subsp. rubescens (Under Eriogonum grande var. rubescens) | | Synonym |
Eriogonum grande subsp. timorum (Under Eriogonum grande var. timorum) | | Synonym |
Eriogonum grande var. dunklei (Under Eriogonum grande var. rubescens) | | Synonym |
Eriogonum grande var. grande | ISLAND BUCKWHEAT | Native |
Eriogonum grande var. rubescens | RED-FLOWERED BUCKWHEAT | Native |
Eriogonum grande var. timorum | SAN NICOLAS ISLAND BUCKWHEAT | Native |
Eriogonum greenei (Under Eriogonum strictum var. greenei) | | Synonym |
Eriogonum gyrophyllum (Under Eriogonum heracleoides var. heracleoides) | | Synonym |
Eriogonum halimioides (Under Eriogonum sphaerocephalum var. halimioides) | | Synonym |
Eriogonum harfordii (Under Eriogonum nudum var. oblongifolium) | | Synonym |
Eriogonum heermannii | | Native |
Eriogonum heermannii subsp. argense (Under Eriogonum heermannii var. argense) | | Synonym |
Eriogonum heermannii subsp. floccosum (Under Eriogonum heermannii var. floccosum) | | Synonym |
Eriogonum heermannii subsp. humilius (Under Eriogonum heermannii var. humilius) | | Synonym |
Eriogonum heermannii subsp. occidentale (Under Eriogonum heermannii var. occidentale) | | Synonym |
Eriogonum heermannii subsp. sulcatum (Under Eriogonum heermannii var. sulcatum) | | Synonym |
Eriogonum heermannii var. argense | HEERMANN'S ROUGH WILD BUCKWHEAT | Native |
Eriogonum heermannii var. floccosum | CLARK MOUNTAIN BUCKWHEAT | Native |
Eriogonum heermannii var. heermannii | HEERMANN'S WILD BUCKWHEAT | Native |
Eriogonum heermannii var. humilius | HEERMANN'S GREAT BASIN WILD BUCKWHEAT | Native |
Eriogonum heermannii var. occidentale | WESTERN HEERMANN'S BUCKWHEAT | Native |
Eriogonum heermannii var. sulcatum | HEERMANN'S GROOVED WILD BUCKWHEAT | Native |
Eriogonum helianthemifolium (Under Eriogonum wrightii var. wrightii) | | Synonym |
Eriogonum heracleoides subsp. angustifolium (Under Eriogonum heracleoides var. heracleoides) | | Synonym |
Eriogonum heracleoides var. angustifolium (Under Eriogonum heracleoides var. heracleoides) | | Synonym |
Eriogonum heracleoides var. heracleoides | PARSNIP-FLOWERED BUCKWHEAT | Native |
Eriogonum heracleoides var. micranthum (Under Eriogonum heracleoides var. heracleoides) | | Synonym |
Eriogonum heracleoides var. minus (Under Eriogonum heracleoides var. heracleoides) | | Synonym |
Eriogonum heracleoides var. multiceps (Under Eriogonum heracleoides var. heracleoides) | | Synonym |
Eriogonum heracleoides var. rydbergii (Under Eriogonum heracleoides var. heracleoides) | | Synonym |
Eriogonum heracleoides var. utahense (Under Eriogonum heracleoides var. heracleoides) | | Synonym |
Eriogonum heracleoides var. viride (Under Eriogonum umbellatum var. nevadense) | | Synonym |
Eriogonum hirtellum | KLAMATH MOUNTAIN BUCKWHEAT | Native |
Eriogonum hirtiflorum | HAIRY-FLOWER WILD BUCKWHEAT | Native |
Eriogonum hoffmannii | | Native |
Eriogonum hoffmannii subsp. robustius (Under Eriogonum hoffmannii var. robustius) | | Synonym |
Eriogonum hoffmannii var. hoffmannii | HOFFMANN'S BUCKWHEAT | Native |
Eriogonum hoffmannii var. robustius | ROBUST HOFFMANN'S BUCKWHEAT | Native |
Eriogonum hookeri | HOOKER'S WILD BUCKWHEAT | Native |
Eriogonum howellii (Under Eriogonum heermannii var. argense) | | Synonym |
Eriogonum howellii var. argense (Under Eriogonum heermannii var. argense) | | Synonym |
Eriogonum incanum | FROSTED WILD BUCKWHEAT | Native |
Eriogonum indictum (Under Eriogonum nudum var. indictum) | | Synonym |
Eriogonum inerme | | Native |
Eriogonum inerme subsp. hispidulum (Under Eriogonum inerme var. hispidulum) | | Synonym |
Eriogonum inerme var. hispidulum | GOODMAN'S UNARMED WILD BUCKWHEAT | Native |
Eriogonum inerme var. inerme | UNARMED WILD BUCKWHEAT | Native |
Eriogonum inflatum | DESERT TRUMPET | Native |
Eriogonum inflatum subsp. lagunense (Under Eriogonum inflatum) | | Synonym |
Eriogonum inflatum var. contiguum (Under Eriogonum contiguum) | | Synonym |
Eriogonum inflatum var. deflatum (Under Eriogonum inflatum) | | Synonym |
Eriogonum insigne (Under Eriogonum deflexum var. deflexum) | | Synonym |
Eriogonum insigne (Under Eriogonum exaltatum) | | Misapplied name |
Eriogonum intrafractum | JOINTED BUCKWHEAT | Native |
Eriogonum intricatum (Under Eriogonum microtheca var. laxiflorum) | | Synonym |
Eriogonum johnstonii (Under Eriogonum compositum var. compositum) | | Synonym |
Eriogonum junceum (Under Eriogonum wrightii var. subscaposum) | | Synonym |
Eriogonum juncinellum (Under Eriogonum davidsonii) | | Synonym |
Eriogonum kearneyi (Under Eriogonum nummulare) | | Synonym |
Eriogonum kearneyi subsp. monoense (Under Eriogonum nummulare) | | Synonym |
Eriogonum kearneyi var. monoense (Under Eriogonum nummulare) | | Synonym |
Eriogonum kelloggii | KELLOGG'S BUCKWHEAT | Native |
Eriogonum kennedyi | | Native |
Eriogonum kennedyi f. alpigenum (Under Eriogonum kennedyi var. alpigenum) | | Synonym |
Eriogonum kennedyi subsp. alpigenum (Under Eriogonum kennedyi var. alpigenum) | | Synonym |
Eriogonum kennedyi subsp. austromontanum (Under Eriogonum kennedyi var. austromontanum) | | Synonym |
Eriogonum kennedyi subsp. gracilipes (Under Eriogonum gracilipes) | | Synonym |
Eriogonum kennedyi subsp. pinorum (Under Eriogonum wrightii var. subscaposum) | | Synonym |
Eriogonum kennedyi subsp. purpusii (Under Eriogonum kennedyi var. purpusii) | | Synonym |
Eriogonum kennedyi var. alpigenum | SOUTHERN ALPINE BUCKWHEAT | Native |
Eriogonum kennedyi var. austromontanum | SOUTHERN MOUNTAIN BUCKWHEAT | Native |
Eriogonum kennedyi var. kennedyi | KENNEDY'S WILD BUCKWHEAT | Native |
Eriogonum kennedyi var. olanchense (Under Eriogonum wrightii var. olanchense) | | Synonym |
Eriogonum kennedyi var. pinicola | KERN BUCKWHEAT | Native |
Eriogonum kennedyi var. purpusii | PURPUS' WILD BUCKWHEAT | Native |
Eriogonum lagunense (Under Eriogonum inflatum) | | Synonym |
Eriogonum lanatum (Under Hollisteria lanata) | | Synonym |
Eriogonum latens | INYO WILD BUCKWHEAT | Native |
Eriogonum latifolium | SEASIDE WILD BUCKWHEAT | Native |
Eriogonum latifolium subsp. auriculatum (Under Eriogonum nudum var. auriculatum) | | Synonym |
Eriogonum latifolium subsp. decurrens (Under Eriogonum nudum var. decurrens) | | Synonym |
Eriogonum latifolium subsp. deductum (Under Eriogonum nudum var. deductum) | | Synonym |
Eriogonum latifolium subsp. grande (Under Eriogonum grande var. grande) | | Synonym |
Eriogonum latifolium subsp. nudum (Under Eriogonum nudum var. nudum) | | Synonym |
Eriogonum latifolium subsp. pauciflorum (Under Eriogonum nudum var. pauciflorum) | | Synonym |
Eriogonum latifolium subsp. rubescens (Under Eriogonum grande var. rubescens) | | Synonym |
Eriogonum latifolium subsp. saxicola (Under Eriogonum nudum var. westonii) | | Synonym |
Eriogonum latifolium subsp. sulphureum (Under Eriogonum nudum var. oblongifolium) | | Synonym |
Eriogonum latifolium subsp. westonii (Under Eriogonum nudum var. westonii) | | Synonym |
Eriogonum latifolium var. affine (Under Eriogonum nudum var. oblongifolium) | | Illegitimate name |
Eriogonum latifolium var. alternans (Under Eriogonum nudum var. auriculatum) | | Synonym |
Eriogonum latifolium var. harfordii (Under Eriogonum nudum var. oblongifolium) | | Synonym |
Eriogonum latifolium var. indictum (Under Eriogonum nudum var. indictum) | | Synonym |
Eriogonum latifolium var. parvulum (Under Eriogonum nudum var. nudum) | | Synonym |
Eriogonum latifolium var. rubescens (Under Eriogonum grande var. rubescens) | | Synonym |
Eriogonum latifolium var. scapigerum (Under Eriogonum nudum var. scapigerum) | | Synonym |
Eriogonum latum (Under Eriogonum umbellatum var. dichrocephalum) | | Synonym |
Eriogonum leucocladon (Under Eriogonum gracile var. gracile) | | Synonym |
Eriogonum leucocladum (Under Eriogonum baileyi var. praebens) | | Synonym |
Eriogonum libertini | DUBAKELLA MOUNTAIN BUCKWHEAT | Native |
Eriogonum lobbii | LOBB'S WILD BUCKWHEAT | Native |
Eriogonum lobbii var. lobbii (Under Eriogonum lobbii) | | Synonym |
Eriogonum lobbii var. minus (Under Eriogonum lobbii) | | Synonym |
Eriogonum longulum (Under Eriogonum nudum var. nudum) | | Synonym |
Eriogonum luteolum | | Native |
Eriogonum luteolum (Coville) of auth. non Greene (Under Gilmania luteola) | | Illegitimate name |
Eriogonum luteolum var. caninum | TIBURON BUCKWHEAT | Native |
Eriogonum luteolum var. luteolum | GOLDEN-CARPET WILD BUCKWHEAT | Native |
Eriogonum luteolum var. pedunculatum | MOKELUMNE HILL WILD BUCKWHEAT | Native |
Eriogonum luteolum var. saltuarium | JACK'S WILD BUCKWHEAT | Native |
Eriogonum macdougalii (Under Eriogonum microtheca var. simpsonii) | | Synonym |
Eriogonum maculatum | SPOTTED WILD BUCKWHEAT | Native |
Eriogonum marifolium | | Native |
Eriogonum marifolium var. apertum (Under Eriogonum marifolium var. marifolium) | | Synonym |
Eriogonum marifolium var. cupulatum | MCCLOUD WILD BUCKWHEAT | Native |
Eriogonum marifolium var. incanum (Under Eriogonum incanum) | | Synonym |
Eriogonum marifolium var. marifolium | MARUM-LEAF WILD BUCKWHEAT | Native |
Eriogonum mensicola | PINYON MESA BUCKWHEAT | Native |
Eriogonum microtheca | | Native |
Eriogonum microtheca subsp. confertiflorum (Under Eriogonum microtheca var. laxiflorum) | | Synonym |
Eriogonum microtheca subsp. intermedium (Under Eriogonum microtheca var. simpsonii) | | Synonym |
Eriogonum microtheca subsp. intricatum (Under Eriogonum microtheca var. laxiflorum) | | Synonym |
Eriogonum microtheca subsp. laxiflorum (Under Eriogonum microtheca var. laxiflorum) | | Synonym |
Eriogonum microtheca subsp. macdougalii (Under Eriogonum microtheca var. simpsonii) | | Synonym |
Eriogonum microtheca subsp. rigidum (Under Eriogonum microtheca var. simpsonii) | | Synonym |
Eriogonum microtheca subsp. spathulare (Under Eriogonum microtheca var. laxiflorum) | | Synonym |
Eriogonum microtheca var. alpinum | NORTHERN LIMESTONE BUCKWHEAT | Native |
Eriogonum microtheca var. ambiguum | YELLOW-FLOWERED WILD BUCKWHEAT | Native |
Eriogonum microtheca var. confertiflorum (Under Eriogonum microtheca var. laxiflorum) | | Synonym |
Eriogonum microtheca var. corymbosoides | SAN BERNARDINO WILD BUCKWHEAT | Native |
Eriogonum microtheca var. expansum (Under Eriogonum microtheca var. ambiguum) | | Synonym |
Eriogonum microtheca var. foliosum (Under Eriogonum microtheca var. simpsonii) | | Synonym |
Eriogonum microtheca var. friscanum (Under Eriogonum microtheca var. simpsonii) | | Synonym |
Eriogonum microtheca var. johnstonii | JOHNSTON'S BUCKWHEAT | Native |
Eriogonum microtheca var. lacus-ursi | BEAR LAKE BUCKWHEAT | Native |
Eriogonum microtheca var. lapidicola | INYO MOUNTAINS BUCKWHEAT | Native |
Eriogonum microtheca var. laxiflorum | GREAT BASIN WILD BUCKWHEAT | Native |
Eriogonum microtheca var. macdougalii (Under Eriogonum microtheca var. simpsonii) | | Synonym |
Eriogonum microtheca var. panamintense | PANAMINT MOUNTAINS BUCKWHEAT | Native |
Eriogonum microtheca var. rigidum (Under Eriogonum microtheca var. simpsonii) | | Synonym |
Eriogonum microtheca var. schoolcraftii | SCHOOLCRAFT'S WILD BUCKWHEAT | Native |
Eriogonum microtheca var. simpsonii | SIMPSON'S WILD BUCKWHEAT | Native |
Eriogonum microtheca var. spathulare (Under Eriogonum microtheca var. laxiflorum) | | Synonym |
Eriogonum minus (Under Eriogonum umbellatum var. minus) | | Synonym |
Eriogonum minutiflorum (Under Eriogonum thomasii) | | Synonym |
Eriogonum modocense (Under Eriogonum umbellatum var. modocense) | | Synonym |
Eriogonum mohavense | WESTERN MOJAVE WILD BUCKWHEAT | Native |
Eriogonum mohavense subsp. ampullaceum (Under Eriogonum ampullaceum) | | Synonym |
Eriogonum molestum | PINELAND WILD BUCKWHEAT | Native |
Eriogonum molestum var. davidsonii (Under Eriogonum davidsonii) | | Synonym |
Eriogonum monticola (Under Eriogonum latens) | | Synonym |
Eriogonum nelsonii (Under Eriogonum microtheca var. simpsonii) | | Synonym |
Eriogonum nemacaulis (Under Nemacaulis denudata var. denudata) | | Synonym |
Eriogonum nervulosum | SNOW MOUNTAIN BUCKWHEAT | Native |
Eriogonum nevadense (Under Eriogonum ochrocephalum var. ochrocephalum) | | Synonym |
Eriogonum nidularium | BIRDNEST WILD BUCKWHEAT | Native |
Eriogonum nidularium var. luciense (Under Eriogonum nidularium) | | Synonym |
Eriogonum nivale (Under Eriogonum ovalifolium var. nivale) | | Synonym |
Eriogonum nodosum (Under Eriogonum wrightii var. nodosum) | | Synonym |
Eriogonum nodosum subsp. monoense (Under Eriogonum nummulare) | | Synonym |
Eriogonum nodosum var. jaegeri (Under Eriogonum plumatella) | | Synonym |
Eriogonum nodosum var. kearneyi (Under Eriogonum nummulare) | | Synonym |
Eriogonum nortonii | PINNACLES BUCKWHEAT | Native |
Eriogonum nudum | | Native |
Eriogonum nudum subsp. pauciflorum (Under Eriogonum nudum var. pauciflorum) | | Synonym |
Eriogonum nudum subsp. saxicola (Under Eriogonum nudum var. westonii) | | Synonym |
Eriogonum nudum var. auriculatum | EAR-SHAPED WILD BUCKWHEAT | Native |
Eriogonum nudum var. decurrens | BEN LOMOND BUCKWHEAT | Native |
Eriogonum nudum var. deductum | REDUCED WILD BUCKWHEAT | Native |
Eriogonum nudum var. gramineum (Under Eriogonum nudum var. westonii) | | Synonym |
Eriogonum nudum var. grande (Under Eriogonum grande var. grande) | | Synonym |
Eriogonum nudum var. indictum | PROTRUDING BUCKWHEAT | Native |
Eriogonum nudum var. murinum | MOUSE BUCKWHEAT | Native |
Eriogonum nudum var. nudum | NAKED WILD BUCKWHEAT | Native |
Eriogonum nudum var. oblongifolium | HARFORD'S WILD BUCKWHEAT | Native |
Eriogonum nudum var. paralinum | DEL NORTE BUCKWHEAT | Native |
Eriogonum nudum var. pauciflorum | LITTLE-FLOWER WILD BUCKWHEAT | Native |
Eriogonum nudum var. perturbum (Under Eriogonum nudum var. pauciflorum) | | Illegitimate name |
Eriogonum nudum var. psychicola | ANTIOCH DUNES BUCKWHEAT | Native |
Eriogonum nudum var. pubiflorum | FREMONT'S WILD BUCKWHEAT | Native |
Eriogonum nudum var. regirivum | KINGS RIVER BUCKWHEAT | Native |
Eriogonum nudum var. scapigerum | SIERRAN CREST WILD BUCKWHEAT | Native |
Eriogonum nudum var. sulphureum (Under Eriogonum nudum var. oblongifolium) | | Synonym |
Eriogonum nudum var. westonii | WESTON'S WILD BUCKWHEAT | Native |
Eriogonum nummulare | MONEY WILD BUCKWHEAT | Native |
Eriogonum nutans | | Native |
Eriogonum nutans var. brevipedicellatum (Under Eriogonum nutans var. nutans) | | Synonym |
Eriogonum nutans var. glabratum | DEETH WILD BUCKWHEAT | Extirpated alien |
Eriogonum nutans var. nutans | DUGWAY WILD BUCKWHEAT | Native |
Eriogonum oblanceolatum (Under Eriogonum nudum var. nudum) | | Synonym |
Eriogonum oblongifolium (Under Eriogonum latifolium) | | Synonym |
Eriogonum oblongifolium var. minus (Under Eriogonum ovalifolium var. purpureum) | | Synonym |
Eriogonum ochrocephalum subsp. agnellum (Under Eriogonum rosense var. rosense) | | Synonym |
Eriogonum ochrocephalum var. agnellum (Under Eriogonum rosense var. rosense) | | Synonym |
Eriogonum ochrocephalum var. breedlovei (Under Eriogonum breedlovei var. breedlovei) | | Synonym |
Eriogonum ochrocephalum var. gracilipes (Under Eriogonum gracilipes) | | Synonym |
Eriogonum ochrocephalum var. ochrocephalum | OCHRE-FLOWERED BUCKWHEAT | Native |
Eriogonum ordii | FORT MOHAVE WILD BUCKWHEAT | Native |
Eriogonum orthocaulon (Under Eriogonum ovalifolium var. purpureum) | | Synonym |
Eriogonum ovalifolium | | Native |
Eriogonum ovalifolium subsp. flavissimum (Under Eriogonum strictum var. anserinum) | | Synonym |
Eriogonum ovalifolium subsp. purpureum (Under Eriogonum ovalifolium var. purpureum) | | Synonym |
Eriogonum ovalifolium subsp. vineum (Under Eriogonum ovalifolium var. vineum) | | Synonym |
Eriogonum ovalifolium var. anserinum (Under Eriogonum strictum var. anserinum) | | Synonym |
Eriogonum ovalifolium var. bellum (Under Eriogonum strictum var. proliferum) | | Synonym |
Eriogonum ovalifolium var. caelestinum | HEAVENLY WILD BUCKWHEAT | Native |
Eriogonum ovalifolium var. celsum (Under Eriogonum ovalifolium var. purpureum) | | Synonym |
Eriogonum ovalifolium var. cerastoides (Under Eriogonum ovalifolium var. ovalifolium) | | Synonym |
Eriogonum ovalifolium var. cyclophyllum (Under Eriogonum ovalifolium var. purpureum) | | Synonym |
Eriogonum ovalifolium var. deltoideum (Under Eriogonum ovalifolium var. ovalifolium) | | Synonym |
Eriogonum ovalifolium var. depressum | DEPRESSED WILD BUCKWHEAT | Native |
Eriogonum ovalifolium var. eximium | BROWN-MARGINED BUCKWHEAT | Native |
Eriogonum ovalifolium var. monarchense | MONARCH BUCKWHEAT | Native |
Eriogonum ovalifolium var. multiscapum (Under Eriogonum ovalifolium var. ovalifolium) | | Synonym |
Eriogonum ovalifolium var. nevadense (Under Eriogonum ovalifolium var. ovalifolium) | | Synonym |
Eriogonum ovalifolium var. nivale | SIERRAN CUSHION WILD BUCKWHEAT | Native |
Eriogonum ovalifolium var. orthocaulon (Under Eriogonum ovalifolium var. purpureum) | | Illegitimate name |
Eriogonum ovalifolium var. ovalifolium | CUSHION WILD BUCKWHEAT | Native |
Eriogonum ovalifolium var. proliferum (Under Eriogonum strictum var. proliferum) | | Synonym |
Eriogonum ovalifolium var. purpureum | PURPLE CUSHION WILD BUCKWHEAT | Native |
Eriogonum ovalifolium var. utahense (Under Eriogonum ovalifolium var. purpureum) | | Synonym |
Eriogonum ovalifolium var. vineum | CUSHENBURY BUCKWHEAT | Native |
Eriogonum ovatum (Under Eriogonum ursinum var. ursinum) | | Synonym |
Eriogonum palmeri (Under Eriogonum plumatella) | | Synonym |
Eriogonum palmerianum | PALMER'S WILD BUCKWHEAT | Native |
Eriogonum panamintense | PANAMINT MOUNTAIN WILD BUCKWHEAT | Native |
Eriogonum panamintense subsp. mensicola (Under Eriogonum mensicola) | | Synonym |
Eriogonum panamintense var. mensicola (Under Eriogonum mensicola) | | Synonym |
Eriogonum panduratum (Under Eriogonum thurberi) | | Synonym |
Eriogonum parishii | PARISH'S WILD BUCKWHEAT | Native |
Eriogonum parryi (Under Eriogonum brachypodum) | | Synonym |
Eriogonum parvifolium | SEACLIFF WILD BUCKWHEAT | Native |
Eriogonum parvifolium subsp. lucidum (Under Eriogonum parvifolium) | | Synonym |
Eriogonum parvifolium subsp. paynei (Under Eriogonum parvifolium) | | Synonym |
Eriogonum parvifolium var. crassifolium (Under Eriogonum parvifolium) | | Synonym |
Eriogonum parvifolium var. lucidum (Under Eriogonum parvifolium) | | Synonym |
Eriogonum parvifolium var. paynei (Under Eriogonum parvifolium) | | Synonym |
Eriogonum pedunculatum (Under Eriogonum luteolum var. pedunculatum) | | Synonym |
Eriogonum pendulum | WALDO WILD BUCKWHEAT | Native |
Eriogonum pendulum var. confertum (Under Eriogonum pendulum) | | Synonym |
Eriogonum perfoliatum (Under Oxytheca perfoliata) | | Synonym |
Eriogonum pilicaule (Under Eriogonum compositum var. compositum) | | Synonym |
Eriogonum plumatella | YUCCA WILD BUCKWHEAT | Native |
Eriogonum plumatella var. jaegeri (Under Eriogonum plumatella) | | Synonym |
Eriogonum plumatella var. palmeri (Under Eriogonum palmerianum) | | Synonym |
Eriogonum polifolium (Under Eriogonum fasciculatum var. polifolium) | | Synonym |
Eriogonum polyanthum (Under Eriogonum umbellatum var. polyanthum) | | Synonym |
Eriogonum polyanthum var. bahiiforme (Under Eriogonum umbellatum var. bahiiforme) | | Synonym |
Eriogonum polycladon | SORREL WILD BUCKWHEAT | Extirpated alien |
Eriogonum polycladon var. crispum (Under Eriogonum polycladon) | | Synonym |
Eriogonum polycladon var. mexicanum (Under Eriogonum polycladon) | | Synonym |
Eriogonum polypodum | TULARE COUNTY BUCKWHEAT | Native |
Eriogonum praebens (Under Eriogonum baileyi var. praebens) | | Synonym |
Eriogonum praebens var. divaricatum (Under Eriogonum baileyi var. praebens) | | Synonym |
Eriogonum pratense (Under Eriogonum spergulinum var. pratense) | | Synonym |
Eriogonum prattenianum | | Native |
Eriogonum prattenianum var. avium | KETTLE DOME BUCKWHEAT | Native |
Eriogonum prattenianum var. prattenianum | NEVADA CITY WILD BUCKWHEAT | Native |
Eriogonum pringlei (Under Eriogonum wrightii var. nodosum) | | Synonym |
Eriogonum prociduum | PROSTRATE BUCKWHEAT | Native |
Eriogonum prociduum var. prociduum (Under Eriogonum prociduum) | | Synonym |
Eriogonum proliferum (Under Eriogonum strictum var. proliferum) | | Synonym |
Eriogonum proliferum subsp. anserinum (Under Eriogonum strictum var. anserinum) | | Synonym |
Eriogonum puberulum (Under Johanneshowellia puberula) | | Synonym |
Eriogonum puberulum var. venosum (Under Johanneshowellia puberula) | | Synonym |
Eriogonum purpureum (Under Eriogonum ovalifolium var. purpureum) | | Synonym |
Eriogonum purpusii (Under Eriogonum kennedyi var. purpusii) | | Synonym |
Eriogonum pusillum | YELLOW TURBANS | Native |
Eriogonum pyrolifolium | | Native |
Eriogonum pyrolifolium subsp. coryphaeum (Under Eriogonum pyrolifolium var. coryphaeum) | | Synonym |
Eriogonum pyrolifolium var. bellingeranum (Under Eriogonum pyrolifolium var. pyrolifolium) | | Synonym |
Eriogonum pyrolifolium var. coryphaeum | HAIRY SHASTA WILD BUCKWHEAT | Native |
Eriogonum pyrolifolium var. pyrolifolium | PYROLA-LEAVED BUCKWHEAT | Native |
Eriogonum racemosum var. desertorum (Under Eriogonum panamintense) | | Synonym |
Eriogonum reclinatum (Under Eriogonum umbellatum var. nevadense) | | Synonym |
Eriogonum reliquum (Under Eriogonum panamintense) | | Synonym |
Eriogonum reniforme | KIDNEY-LEAF WILD BUCKWHEAT | Native |
Eriogonum reniforme subsp. pusillum (Under Eriogonum pusillum) | | Synonym |
Eriogonum reniforme var. asarifolium (Under Eriogonum pusillum) | | Synonym |
Eriogonum reniforme var. comosum (Under Eriogonum reniforme) | | Synonym |
Eriogonum reniforme var. playanum (Under Eriogonum pusillum) | | Synonym |
Eriogonum restioides (Under Eriogonum baileyi var. baileyi) | | Synonym |
Eriogonum revolutum (Under Eriogonum fasciculatum var. polifolium) | | Synonym |
Eriogonum rhodanthum (Under Eriogonum ovalifolium var. eximium) | | Synonym |
Eriogonum rixfordii | PAGODA WILD BUCKWHEAT | Native |
Eriogonum roseiflorum (Under Eriogonum ovalifolium var. purpureum) | | Synonym |
Eriogonum rosense var. beatleyae (Under Eriogonum rosense var. rosense) | | Misapplied name |
Eriogonum rosense var. rosense | MOUNT ROSE WILD BUCKWHEAT | Native |
Eriogonum roseum | WAND WILD BUCKWHEAT | Native |
Eriogonum roseum var. leucocladon (Under Eriogonum gracile var. gracile) | | Synonym |
Eriogonum rosmarinifolium (Under Eriogonum fasciculatum var. fasciculatum) | | Synonym |
Eriogonum rosmarinifolium var. foliolosum (Under Eriogonum fasciculatum var. foliolosum) | | Synonym |
Eriogonum rosulatum (Under Eriogonum incanum) | | Synonym |
Eriogonum rubescens (Under Eriogonum grande var. rubescens) | | Synonym |
Eriogonum rubiflorum (Under Eriogonum nutans var. nutans) | | Synonym |
Eriogonum rupinum | WYMAN CREEK WILD BUCKWHEAT | Native |
Eriogonum saxatile | HOARY WILD BUCKWHEAT | Native |
Eriogonum saxatile subsp. multicaule (Under Eriogonum saxatile) | | Synonym |
Eriogonum saxatile var. crocatum (Under Eriogonum crocatum) | | Synonym |
Eriogonum saxatile var. stokesae (Under Eriogonum saxatile) | | Synonym |
Eriogonum saxicola (Under Eriogonum nudum var. westonii) | | Synonym |
Eriogonum scapigerum (Under Eriogonum nudum var. scapigerum) | | Synonym |
Eriogonum sericoleucum (Under Eriogonum caespitosum) | | Synonym |
Eriogonum shockleyi var. shockleyi | SHOCKLEY'S BUCKWHEAT | Native |
Eriogonum shoshonense (Under Eriogonum vimineum) | | Synonym |
Eriogonum simpsonii (Under Eriogonum microtheca var. simpsonii) | | Synonym |
Eriogonum siskiyouense | SISKIYOU BUCKWHEAT | Native |
Eriogonum smallianum (Under Eriogonum umbellatum var. smallianum) | | Synonym |
Eriogonum spathulare (Under Eriogonum microtheca var. laxiflorum) | | Synonym |
Eriogonum speciosum (Under Eriogonum umbellatum var. speciosum) | | Synonym |
Eriogonum spectabile | BARRON'S BUCKWHEAT | Native |
Eriogonum spergulinum | | Native |
Eriogonum spergulinum subsp. reddingianum (Under Eriogonum spergulinum var. reddingianum) | | Synonym |
Eriogonum spergulinum var. pratense | MOUNTAIN MEADOW WILD BUCKWHEAT | Native |
Eriogonum spergulinum var. reddingianum | REDDING'S WILD BUCKWHEAT | Native |
Eriogonum spergulinum var. spergulinum | SPURRY WILD BUCKWHEAT | Native |
Eriogonum sphaerocephalum | | Native |
Eriogonum sphaerocephalum var. brevifolium (Under Eriogonum tripodum) | | Synonym |
Eriogonum sphaerocephalum var. geniculatum (Under Eriogonum sphaerocephalum var. sphaerocephalum) | | Synonym |
Eriogonum sphaerocephalum var. halimioides | HALIMIUM WILD BUCKWHEAT | Native |
Eriogonum sphaerocephalum var. megacephalum (Under Eriogonum sphaerocephalum var. sphaerocephalum) | | Synonym |
Eriogonum sphaerocephalum var. sericoleucum (Under Eriogonum caespitosum) | | Synonym |
Eriogonum sphaerocephalum var. sphaerocephalum | ROCK WILD BUCKWHEAT | Native |
Eriogonum spinescens (Under Goodmania luteola) | | Synonym |
Eriogonum stellatum var. bahiiforme (Under Eriogonum umbellatum var. bahiiforme) | | Synonym |
Eriogonum stokesae (Under Eriogonum saxatile) | | Synonym |
Eriogonum strictum | | Native |
Eriogonum strictum subsp. anserinum (Under Eriogonum strictum var. anserinum) | | Synonym |
Eriogonum strictum subsp. bellum (Under Eriogonum strictum var. proliferum) | | Synonym |
Eriogonum strictum subsp. proliferum (Under Eriogonum strictum var. proliferum) | | Synonym |
Eriogonum strictum var. anserinum | GOOSE LAKE WILD BUCKWHEAT | Native |
Eriogonum strictum var. argenteum (Under Eriogonum strictum var. proliferum) | | Synonym |
Eriogonum strictum var. cusickianum (Under Eriogonum strictum var. proliferum) | | Illegitimate name |
Eriogonum strictum var. cusickii (Under Eriogonum strictum var. proliferum) | | Synonym |
Eriogonum strictum var. flavissimum (Under Eriogonum strictum var. anserinum) | | Synonym |
Eriogonum strictum var. glabrum (Under Eriogonum strictum) | | Synonym |
Eriogonum strictum var. greenei | GREENE'S BUCKWHEAT | Native |
Eriogonum strictum var. proliferum | PROLIFEROUS WILD BUCKWHEAT | Native |
Eriogonum subalpinum var. arachnoideum (Under Eriogonum umbellatum var. dichrocephalum) | | Synonym |
Eriogonum suffrutescens (Under Eriogonum wrightii var. subscaposum) | | Synonym |
Eriogonum sulcatum (Under Eriogonum heermannii var. sulcatum) | | Synonym |
Eriogonum sulcatum var. argense (Under Eriogonum heermannii var. argense) | | Synonym |
Eriogonum sulphureum (Under Eriogonum nudum var. oblongifolium) | | Synonym |
Eriogonum temblorense | TEMBLOR BUCKWHEAT | Native |
Eriogonum tenellum (Under Eriogonum ovalifolium var. purpureum) | | Illegitimate name |
Eriogonum tenellum var. erianthum (Under Eriogonum microtheca var. ambiguum) | | Synonym |
Eriogonum tenellum var. grandiflorum (Under Eriogonum microtheca var. laxiflorum) | | Synonym |
Eriogonum tenellum var. sessiliflorum (Under Eriogonum microtheca var. laxiflorum) | | Synonym |
Eriogonum tenuissimum (Under Eriogonum ordii) | | Synonym |
Eriogonum ternatum | TERNATE BUCKWHEAT | Native |
Eriogonum ternatum var. congdonii (Under Eriogonum congdonii) | | Synonym |
Eriogonum thomasii | THOMAS' WILD BUCKWHEAT | Native |
Eriogonum thornei | THORNE'S BUCKWHEAT | Native |
Eriogonum thurberi | THURBER'S WILD BUCKWHEAT | Native |
Eriogonum thurberi var. acutangulum (Under Eriogonum maculatum) | | Synonym |
Eriogonum thurberi var. parishii (Under Eriogonum thurberi) | | Synonym |
Eriogonum torreyanum (Under Eriogonum umbellatum var. torreyanum) | | Synonym |
Eriogonum trachygonum (Under Eriogonum wrightii var. trachygonum) | | Synonym |
Eriogonum trachygonum subsp. glomerulum (Under Eriogonum wrightii var. wrightii) | | Synonym |
Eriogonum trachygonum subsp. membranaceum (Under Eriogonum wrightii var. membranaceum) | | Synonym |
Eriogonum trachygonum subsp. pringlei (Under Eriogonum wrightii var. nodosum) | | Synonym |
Eriogonum trachygonum subsp. subscaposum (Under Eriogonum wrightii var. subscaposum) | | Synonym |
Eriogonum trachygonum subsp. wrightii (Under Eriogonum wrightii var. wrightii) | | Synonym |
Eriogonum trachygonum var. subscaposum (Under Eriogonum wrightii var. subscaposum) | | Synonym |
Eriogonum trichopes | LITTLE DESERT TRUMPET | Native |
Eriogonum trichopes subsp. clavatum (Under Eriogonum clavatum) | | Synonym |
Eriogonum trichopes subsp. glaucum (Under Eriogonum inflatum) | | Synonym |
Eriogonum trichopes var. hooveri (Under Eriogonum clavatum) | | Synonym |
Eriogonum trichopes var. minus (Under Eriogonum trichopes) | | Synonym |
Eriogonum trichopes var. trichopes (Under Eriogonum trichopes) | | Synonym |
Eriogonum trichopodum (Under Eriogonum trichopes) | | Illegitimate name |
Eriogonum trichotomum (Under Eriogonum umbellatum var. bahiiforme) | | Synonym |
Eriogonum trilobatum (Under Sidotheca trilobata) | | Synonym |
Eriogonum tripodum | TRIPOD BUCKWHEAT | Native |
Eriogonum truncatum | MOUNT DIABLO BUCKWHEAT | Native |
Eriogonum truncatum var. adsurgens (Under Eriogonum eastwoodianum) | | Synonym |
Eriogonum turbinatum (Under Eriogonum deflexum var. deflexum) | | Synonym |
Eriogonum twisselmannii | TWISSELMANN'S BUCKWHEAT | Native |
Eriogonum umbellatum | SULPHUR FLOWER | Native |
Eriogonum umbellatum subsp. aridum (Under Eriogonum umbellatum var. dichrocephalum) | | Synonym |
Eriogonum umbellatum subsp. bahiiforme (Under Eriogonum umbellatum var. bahiiforme) | | Synonym |
Eriogonum umbellatum subsp. covillei (Under Eriogonum umbellatum var. covillei) | | Synonym |
Eriogonum umbellatum subsp. dumosum (Under Eriogonum umbellatum var. dumosum) | | Synonym |
Eriogonum umbellatum subsp. ferrissii (Under Eriogonum umbellatum var. subaridum) | | Synonym |
Eriogonum umbellatum subsp. minus (Under Eriogonum umbellatum var. minus) | | Synonym |
Eriogonum umbellatum subsp. munzii (Under Eriogonum umbellatum var. munzii) | | Synonym |
Eriogonum umbellatum subsp. polyanthum (Under Eriogonum umbellatum var. polyanthum) | | Synonym |
Eriogonum umbellatum subsp. serratum (Under Eriogonum prattenianum var. prattenianum) | | Synonym |
Eriogonum umbellatum subsp. subaridum (Under Eriogonum umbellatum var. subaridum) | | Synonym |
Eriogonum umbellatum subsp. versicolor (Under Eriogonum umbellatum var. versicolor) | | Synonym |
Eriogonum umbellatum var. ahartii | AHART'S BUCKWHEAT | Native |
Eriogonum umbellatum var. argus | ONE-EYED SULPHUR FLOWER | Native |
Eriogonum umbellatum var. aridum (Under Eriogonum umbellatum var. dichrocephalum) | | Synonym |
Eriogonum umbellatum var. bahiiforme | BAY BUCKWHEAT | Native |
Eriogonum umbellatum var. bahiiforme (Under Eriogonum umbellatum var. smallianum) | | Misapplied name, in part |
Eriogonum umbellatum var. californicum (Under Eriogonum umbellatum var. nevadense) | | Synonym |
Eriogonum umbellatum var. canifolium | SHERMAN PASS SULPHUR FLOWER | Native |
Eriogonum umbellatum var. chlorothamnus | SHERWIN GRADE SULPHUR FLOWER | Native |
Eriogonum umbellatum var. covillei | COVILLE'S SULPHUR FLOWER | Native |
Eriogonum umbellatum var. dichrocephalum | BICOLOR SULPHUR FLOWER | Native |
Eriogonum umbellatum var. dumosum | AMERICAN VALLEY SULPHUR FLOWER | Native |
Eriogonum umbellatum var. furcosum | SIERRA NEVADA SULPHUR FLOWER | Native |
Eriogonum umbellatum var. glaberrimum | WARNER MOUNTAINS BUCKWHEAT | Native |
Eriogonum umbellatum var. goodmanii | GOODMAN'S SULPHUR FLOWER | Native |
Eriogonum umbellatum var. humistratum | MOUNT EDDY BUCKWHEAT | Native |
Eriogonum umbellatum var. juniporinum | JUNIPER SULPHUR-FLOWERED BUCKWHEAT | Native |
Eriogonum umbellatum var. lautum | SCOTT VALLEY BUCKWHEAT | Native |
Eriogonum umbellatum var. minus | ALPINE SULPHUR-FLOWERED BUCKWHEAT | Native |
Eriogonum umbellatum var. modocense | MODOC SULPHUR FLOWER | Native |
Eriogonum umbellatum var. munzii | MUNZ'S SULPHUR FLOWER | Native |
Eriogonum umbellatum var. nelsoniorum | NELSONS' SULPHUR FLOWER | Native |
Eriogonum umbellatum var. nevadense | NEVADA SULPHUR FLOWER | Native |
Eriogonum umbellatum var. polyanthum | AMERICAN RIVER SULPHUR FLOWER | Native |
Eriogonum umbellatum var. polyanthum (Under Eriogonum umbellatum var. dumosum) | | Synonym, in part |
Eriogonum umbellatum var. polyanthum (Under Eriogonum umbellatum var. modocense) | | Synonym, in part |
Eriogonum umbellatum var. polypodum (Under Eriogonum polypodum) | | Synonym |
Eriogonum umbellatum var. smallianum | SMALL'S SULPHUR FLOWER | Native |
Eriogonum umbellatum var. speciosum | BEAUTIFUL SULPHUR FLOWER | Native |
Eriogonum umbellatum var. subaridum | FERRIS' SULPHUR FLOWER | Native |
Eriogonum umbellatum var. torreyanum | DONNER PASS BUCKWHEAT | Native |
Eriogonum umbellatum var. versicolor | PANAMINT SULPHUR FLOWER | Native |
Eriogonum ursinum | | Native |
Eriogonum ursinum var. confine (Under Eriogonum ternatum) | | Synonym |
Eriogonum ursinum var. congdonii (Under Eriogonum congdonii) | | Synonym |
Eriogonum ursinum var. covillei (Under Eriogonum umbellatum var. covillei) | | Synonym |
Eriogonum ursinum var. erubescens | BLUSHING WILD BUCKWHEAT | Native |
Eriogonum ursinum var. nervulosum (Under Eriogonum nervulosum) | | Synonym |
Eriogonum ursinum var. rosulatum (Under Eriogonum incanum) | | Synonym |
Eriogonum ursinum var. siskiyouense (Under Eriogonum siskiyouense) | | Synonym |
Eriogonum ursinum var. ursinum | BEAR VALLEY WILD BUCKWHEAT | Native |
Eriogonum ursinum var. venosum (Under Eriogonum polypodum) | | Synonym |
Eriogonum vagans (Under Eriogonum inerme var. inerme) | | Synonym |
Eriogonum variabile (Under Eriogonum gracillimum) | | Synonym |
Eriogonum verticillatum (Under Eriogonum gracile var. gracile) | | Synonym |
Eriogonum vestitum | IDRIA BUCKWHEAT | Native |
Eriogonum vimineum | WICKER-STEM WILD BUCKWHEAT | Native |
Eriogonum vimineum subsp. adsurgens (Under Eriogonum eastwoodianum) | | Synonym |
Eriogonum vimineum subsp. baileyi (Under Eriogonum baileyi var. baileyi) | | Synonym |
Eriogonum vimineum subsp. gracile (Under Eriogonum gracile var. gracile) | | Synonym |
Eriogonum vimineum subsp. molestum (Under Eriogonum molestum) | | Synonym |
Eriogonum vimineum subsp. nidularium (Under Eriogonum nidularium) | | Synonym |
Eriogonum vimineum subsp. nortonii (Under Eriogonum nortonii) | | Synonym |
Eriogonum vimineum subsp. polycladon (Under Eriogonum polycladon) | | Synonym |
Eriogonum vimineum subsp. polygonoides (Under Eriogonum cithariforme var. agninum) | | Synonym |
Eriogonum vimineum subsp. virgatum (Under Eriogonum roseum) | | Synonym |
Eriogonum vimineum var. agninum (Under Eriogonum cithariforme var. agninum) | | Synonym |
Eriogonum vimineum var. avicularia (Under Eriogonum davidsonii) | | Synonym |
Eriogonum vimineum var. baileyi (Under Eriogonum baileyi var. baileyi) | | Synonym |
Eriogonum vimineum var. brachyanthum (Under Eriogonum brachyanthum) | | Synonym |
Eriogonum vimineum var. californicum (Under Eriogonum luteolum var. luteolum) | | Synonym |
Eriogonum vimineum var. caninum (Under Eriogonum luteolum var. caninum) | | Synonym |
Eriogonum vimineum var. cithariforme (Under Eriogonum cithariforme var. cithariforme) | | Synonym |
Eriogonum vimineum var. commixtum (Under Eriogonum baileyi var. praebens) | | Synonym |
Eriogonum vimineum var. covilleanum (Under Eriogonum covilleanum) | | Synonym |
Eriogonum vimineum var. davidsonii (Under Eriogonum davidsonii) | | Synonym |
Eriogonum vimineum var. densum (Under Eriogonum polycladon) | | Synonym |
Eriogonum vimineum var. divergens (Under Eriogonum vimineum) | | Synonym |
Eriogonum vimineum var. elegans (Under Eriogonum elegans) | | Synonym |
Eriogonum vimineum var. eriocladon (Under Eriogonum dasyanthemum) | | Synonym |
Eriogonum vimineum var. glabrum (Under Eriogonum davidsonii) | | Synonym |
Eriogonum vimineum var. luteolum (Under Eriogonum luteolum var. luteolum) | | Synonym |
Eriogonum vimineum var. multiradiatum (Under Eriogonum baileyi var. baileyi) | | Synonym |
Eriogonum vimineum var. nidularium (Under Eriogonum nidularium) | | Synonym |
Eriogonum vimineum var. oregonense (Under Eriogonum vimineum) | | Synonym |
Eriogonum vimineum var. porphyreticum (Under Eriogonum baileyi var. baileyi) | | Synonym |
Eriogonum vimineum var. restioides (Under Eriogonum baileyi var. baileyi) | | Synonym |
Eriogonum vimineum var. rigescens (Under Eriogonum vimineum) | | Synonym |
Eriogonum vimineum var. shoshonense (Under Eriogonum vimineum) | | Synonym |
Eriogonum vineum (Under Eriogonum ovalifolium var. vineum) | | Synonym |
Eriogonum virgatum (Under Eriogonum roseum) | | Synonym |
Eriogonum virgatum var. roseum (Under Eriogonum roseum) | | Synonym |
Eriogonum virgatum var. rubidum (Under Eriogonum roseum) | | Synonym |
Eriogonum viridescens | TWO-TOOTHED WILD BUCKWHEAT | Native |
Eriogonum wrightii | BASTARD-SAGE | Native |
Eriogonum wrightii subsp. glomerulum (Under Eriogonum wrightii var. wrightii) | | Synonym |
Eriogonum wrightii subsp. membranaceum (Under Eriogonum wrightii var. membranaceum) | | Synonym |
Eriogonum wrightii subsp. nodosum (Under Eriogonum wrightii var. nodosum) | | Synonym |
Eriogonum wrightii subsp. pringlei (Under Eriogonum wrightii var. nodosum) | | Synonym |
Eriogonum wrightii subsp. subscaposum (Under Eriogonum wrightii var. subscaposum) | | Synonym |
Eriogonum wrightii subsp. trachygonum (Under Eriogonum wrightii var. trachygonum) | | Synonym |
Eriogonum wrightii var. curvatum (Under Eriogonum wrightii var. subscaposum) | | Synonym |
Eriogonum wrightii var. floccosum (Under Eriogonum wrightii var. wrightii) | | Synonym |
Eriogonum wrightii var. helianthemifolium (Under Eriogonum wrightii var. wrightii) | | Synonym |
Eriogonum wrightii var. membranaceum | RINGED-STEM BASTARD-SAGE | Native |
Eriogonum wrightii var. nodosum | KNOT-STEM BASTARD-SAGE | Native |
Eriogonum wrightii var. olanchense | OLANCHA PEAK BUCKWHEAT | Native |
Eriogonum wrightii var. pringlei (Under Eriogonum wrightii var. nodosum) | | Synonym |
Eriogonum wrightii var. subscaposum | SHORT-STEMMED BASTARD-SAGE | Native |
Eriogonum wrightii var. trachygonum | ROUGH-NODE BASTARD-SAGE | Native |
Eriogonum wrightii var. wrightii | WRIGHT'S BASTARD-SAGE | Native |
Erioneuron | | |
Erioneuron pilosum | HAIRY ERIONEURON | Native |
Erioneuron pulchellum (Under Dasyochloa pulchella) | | Synonym |
Eriophorum | COTTON GRASS | |
Eriophorum criniger (Under Calliscirpus criniger) | | Orthographic variant |
Eriophorum crinigerum (Under Calliscirpus criniger) | | Synonym |
Eriophorum gracile | SLENDER COTTONGRASS | Native |
Eriophyllum ↳ Key to Eriophyllum | WOOLLY SUNFLOWER | |
Eriophyllum ambiguum | | Native |
Eriophyllum ambiguum var. ambiguum | BEAUTIFUL WOOLLY SUNFLOWER | Native |
Eriophyllum ambiguum var. paleaceum | | Native |
Eriophyllum aureum (Under Eriophyllum wallacei) | | Synonym |
Eriophyllum confertiflorum | GOLDEN-YARROW, YELLOW-YARROW | Native |
Eriophyllum confertiflorum var. confertiflorum | | Native |
Eriophyllum confertiflorum var. latum (Under Eriophyllum confertiflorum var. confertiflorum) | | Synonym |
Eriophyllum confertiflorum var. tanacetiflorum | TANSY-FLOWERED WOOLLY SUNFLOWER | Native |
Eriophyllum congdonii | CONGDON'S WOOLLY SUNFLOWER | Native |
Eriophyllum croceum (Under Eriophyllum lanatum var. croceum) | | Synonym |
Eriophyllum heermannii (Under Pseudobahia heermannii) | | Synonym |
Eriophyllum idoneum (Under Eriophyllum lanatum var. achilleoides) | | Synonym |
Eriophyllum jepsonii | JEPSON'S WOOLLY SUNFLOWER | Native |
Eriophyllum lanatum | COMMON WOOLLY SUNFLOWER | Native |
Eriophyllum lanatum var. achillaeoides (Under Eriophyllum lanatum var. achilleoides) | | Orthographic variant |
Eriophyllum lanatum var. achilleoides | | Native |
Eriophyllum lanatum var. arachnoideum | | Native |
Eriophyllum lanatum var. croceum | | Native |
Eriophyllum lanatum var. grandiflorum | | Native |
Eriophyllum lanatum var. hallii | FORT TEJON WOOLLY SUNFLOWER | Native |
Eriophyllum lanatum var. integrifolium | OREGON SUNSHINE | Native |
Eriophyllum lanatum var. lanceolatum | | Native |
Eriophyllum lanatum var. obovatum | SOUTHERN SIERRA WOOLLY SUNFLOWER | Native |
Eriophyllum lanosum | | Native |
Eriophyllum latilobum | SAN MATEO WOOLLY SUNFLOWER | Native |
Eriophyllum mohavense | BARSTOW WOOLLY SUNFLOWER | Native |
Eriophyllum multicaule | MANY-STEM WOOLLY SUNFLOWER | Native |
Eriophyllum nevinii (Under Constancea nevinii) | | Synonym |
Eriophyllum nubigenum | YOSEMITE WOOLLY SUNFLOWER | Native |
Eriophyllum nubigenum var. congdonii (Under Eriophyllum congdonii) | | Synonym |
Eriophyllum obovatum (Under Eriophyllum lanatum var. obovatum) | | Synonym |
Eriophyllum paleaceum (Under Eriophyllum ambiguum var. paleaceum) | | Synonym |
Eriophyllum pringlei | PRINGLE'S WOOLLY SUNFLOWER | Native |
Eriophyllum staechadifolium | SEASIDE WOOLLY SUNFLOWER | Native |
Eriophyllum staechadifolium var. artemisiifolium (Under Eriophyllum staechadifolium) | | Synonym |
Eriophyllum staechadifolium var. depressum (Under Eriophyllum staechadifolium) | | Synonym |
Eriophyllum tanacetiflorum (Under Eriophyllum confertiflorum var. tanacetiflorum) | | Synonym |
Eriophyllum wallacei | WALLACE'S WOOLLY DAISY | Native |
Eriophyllum wallacei var. calvescens (Under Eriophyllum wallacei) | | Synonym |
Ernstamra macrophylla (Under Wigandia urens) | | Synonym |
Ernstamra urens (Under Wigandia urens) | | Synonym |
Erocallis triphylla (Under Lewisia triphylla) | | Synonym |
Erodium ↳ Key to Erodium | STORKSBILL, FILAREE | |
Erodium botrys | | Naturalized |
Erodium brachycarpum | | Naturalized |
Erodium cicutarium | REDSTEM FILAREE | Naturalized |
Erodium cygnorum | | Waif |
Erodium macrophyllum (Under California macrophylla) | | Synonym |
Erodium macrophyllum var. californicum (Under California macrophylla) | | Synonym |
Erodium malacoides | | Naturalized |
Erodium moschatum | GREENSTEM FILAREE | Naturalized |
Erodium obtusiplicatum (Under Erodium brachycarpum) | | Synonym |
Erodium texanum | TEXAS FILAREE | Native |
Eruca | GARDEN-ROCKET | |
Eruca sativa (Under Eruca vesicaria subsp. sativa) | | Synonym |
Eruca vesicaria subsp. sativa | | Naturalized |
Erucastrum | | |
Erucastrum gallicum | | Waif |
Eryngium ↳ Key to Eryngium | | |
Eryngium alismaefolium (Under Eryngium alismifolium) | | Orthographic variant |
Eryngium alismifolium | ALISMA-LEAVED BUTTON-CELERY | Native |
Eryngium aristulatum | | Native |
Eryngium aristulatum var. aristulatum | | Native |
Eryngium aristulatum var. aristulatum (Under Eryngium jepsonii) | | Misapplied name, in part |
Eryngium aristulatum var. hooveri | HOOVER'S BUTTON-CELERY | Native |
Eryngium aristulatum var. parishii | SAN DIEGO BUTTON-CELERY | Native |
Eryngium armatum | COASTAL BUTTON-CELERY | Native |
Eryngium articulatum | BEETHISTLE | Native |
Eryngium articulatum var. bakeri (Under Eryngium articulatum) | | Synonym |
Eryngium articulatum var. microcephalum (Under Eryngium alismifolium) | | Synonym |
Eryngium californicum (Under Eryngium jepsonii) | | Synonym |
Eryngium castrense | GREAT VALLEY COYOTE-THISTLE | Native |
Eryngium constancei | LOCH LOMOND BUTTON-CELERY | Native |
Eryngium elongatum (Under Eryngium jepsonii) | | Synonym |
Eryngium globosum (Under Eryngium spinosepalum) | | Illegitimate name |
Eryngium globosum var. medium (Under Eryngium castrense) | | Illegitimate name |
Eryngium harknessii (Under Eryngium articulatum) | | Synonym |
Eryngium harmsianum (Under Eryngium armatum) | | Synonym |
Eryngium jepsonii | | Native |
Eryngium jepsonii var. parishii (Under Eryngium aristulatum var. parishii) | | Synonym |
Eryngium longistylum (Under Eryngium armatum) | | Synonym |
Eryngium mathiasiae | MATHIAS' BUTTON-CELERY | Native |
Eryngium minimum (Under Eryngium alismifolium) | | Synonym |
Eryngium montereyense | FORT ORD BUTTON-CELERY | Native |
Eryngium parishii (Under Eryngium aristulatum var. parishii) | | Synonym |
Eryngium pendletonense | PENDLETON BUTTON-CELERY | Native |
Eryngium petiolatum var. armatum (Under Eryngium armatum) | | Synonym |
Eryngium petiolatum var. minimum (Under Eryngium alismifolium) | | Synonym |
Eryngium pinnatisectum | TUOLUMNE BUTTON-CELERY | Native |
Eryngium racemosum | DELTA BUTTON-CELERY | Native |
Eryngium spinosepalum | SPINY-SEPALED BUTTON-CELERY | Native |
Eryngium spinosepalum var. medium (Under Eryngium castrense) | | Synonym |
Eryngium vaseyi | COYOTE-THISTLE | Native |
Eryngium vaseyi var. castrense (Under Eryngium castrense) | | Synonym |
Eryngium vaseyi var. globosum (Under Eryngium spinosepalum) | | Synonym |
Eryngium vaseyi var. vallicola | | Native |
Eryngium vaseyi var. vaseyi | | Native |
Erysimum ↳ Key to Erysimum | WALLFLOWER | |
Erysimum ammophilum | SAND-LOVING WALLFLOWER | Native |
Erysimum amoenum (Under Erysimum capitatum var. purshii) | | Synonym |
Erysimum argillosum (Under Erysimum capitatum var. purshii) | | Synonym |
Erysimum asperum var. bealianum (Under Erysimum capitatum var. capitatum) | | Synonym |
Erysimum asperum var. purshii (Under Erysimum capitatum var. purshii) | | Synonym |
Erysimum asperum var. stellatum (Under Erysimum capitatum var. capitatum) | | Synonym |
Erysimum capitatum | WESTERN WALLFLOWER | Native |
Erysimum capitatum subsp. angustatum (Under Erysimum capitatum var. capitatum) | | Synonym ined. |
Erysimum capitatum subsp. capitatum (Under Erysimum capitatum var. capitatum) | | Synonym ined. |
Erysimum capitatum subsp. lompocense (Under Erysimum capitatum var. capitatum) | | Synonym ined. |
Erysimum capitatum subsp. perenne (Under Erysimum perenne) | | Synonym ined. |
Erysimum capitatum var. angustatum (Under Erysimum capitatum var. capitatum) | | Synonym |
Erysimum capitatum var. bealianum (Under Erysimum capitatum var. capitatum) | | Synonym |
Erysimum capitatum var. capitatum | | Native |
Erysimum capitatum var. lompocense (Under Erysimum capitatum var. capitatum) | | Synonym |
Erysimum capitatum var. perenne (Under Erysimum perenne) | | Synonym |
Erysimum capitatum var. purshii | | Native |
Erysimum cheiranthoides | WORMSEED MUSTARD | Naturalized |
Erysimum cheiri | | Naturalized |
Erysimum concinnum | | Native |
Erysimum concinnum subsp. suffrutescens (Under Erysimum suffrutescens) | | Synonym |
Erysimum franciscanum | SAN FRANCISCO WALLFLOWER | Native |
Erysimum franciscanum var. crassifolium (Under Erysimum franciscanum) | | Synonym |
Erysimum franciscanum var. franciscanum (Under Erysimum franciscanum) | | Synonym |
Erysimum insulare | ISLAND WALLFLOWER | Native |
Erysimum insulare subsp. suffrutescens (Under Erysimum suffrutescens) | | Synonym ined. |
Erysimum insulare var. angustatum (Under Erysimum capitatum var. capitatum) | | Synonym |
Erysimum menziesii | MENZIES' WALLFLOWER | Native |
Erysimum menziesii subsp. concinnum (Under Erysimum concinnum) | | Synonym ined. |
Erysimum menziesii subsp. eurekense (Under Erysimum menziesii) | | Synonym ined. |
Erysimum menziesii subsp. yadonii (Under Erysimum menziesii) | | Synonym ined. |
Erysimum moniliforme (Under Erysimum capitatum var. capitatum) | | Synonym |
Erysimum perenne | | Native |
Erysimum repandum | | Naturalized |
Erysimum suffrutescens | SUFFRUTESCENT WALLFLOWER | Native |
Erysimum suffrutescens var. grandifolium (Under Erysimum suffrutescens) | | Synonym |
Erysimum suffrutescens var. lompocense (Under Erysimum capitatum var. capitatum) | | Synonym |
Erysimum teretifolium | SANTA CRUZ WALLFLOWER | Native |
Erythranthe ↳ Key to Erythranthe | MONKEYFLOWER | |
Erythranthe acutidens | KINGS RIVER MONKEYFLOWER | Native |
Erythranthe alsinoides | CHICKWEED MONKEYFLOWER | Native |
Erythranthe androsacea | ROCK-JASMINE MONKEYFLOWER | Native |
Erythranthe arenaria | SAND-LOVING MONKEYFLOWER | Native |
Erythranthe arenicola | BEACH MONKEYFLOWER | Native |
Erythranthe arvensis | VILLOUS-BRACTED MONKEYFLOWER | Native |
Erythranthe barbata | BEARDED MONKEYFLOWER | Native |
Erythranthe bicolor | YELLOW AND WHITE MONKEYFLOWER | Native |
Erythranthe breviflora | SHORT-FLOWER MONKEYFLOWER | Native |
Erythranthe breweri | BREWER'S MONKEYFLOWER | Native |
Erythranthe calcicola | LIMESTONE MONKEYFLOWER | Native |
Erythranthe cardinalis | SCARLET MONKEYFLOWER | Native |
Erythranthe carsonensis | CARSON VALLEY MONKEYFLOWER | Native |
Erythranthe corallina | CORALLINE MONKEYFLOWER | Native |
Erythranthe cordata | | Native |
Erythranthe dentata | TOOTH-LEAVED MONKEYFLOWER | Native |
Erythranthe diffusa | PALOMAR MONKEYFLOWER | Native |
Erythranthe discolor | TWO-COLORED MONKEYFLOWER | Native |
Erythranthe erubescens | CALIFORNIA BLUSHING MONKEYFLOWER | Native |
Erythranthe exigua | SAN BERNARDINO MOUNTAINS MONKEYFLOWER, EYE STRAIN MONKEYFLOWER | Native |
Erythranthe filicaulis | SLENDER-STEMMED MONKEYFLOWER | Native |
Erythranthe filicifolia | FERNLEAF MONKEYFLOWER | Native |
Erythranthe floribunda | MANY-FLOWERED MONKEYFLOWER | Native |
Erythranthe geniculata | BENT-STEM MONKEYFLOWER | Native |
Erythranthe glaucescens | SHIELD-BRACTED MONKEYFLOWER | Native |
Erythranthe gracilipes | SLENDER-STALKED MONKEYFLOWER | Native |
Erythranthe grandis | MAGNIFICENT SEEP MONKEYFLOWER | Native |
Erythranthe guttata | COMMON MONKEYFLOWER, SEEP MONKEYFLOWER | Native |
Erythranthe hardhamiae | HARDHAM'S MONKEYFLOWER | Native |
Erythranthe inconspicua | SMALL-FLOWERED MONKEYFLOWER | Native |
Erythranthe inflatula | EPHEMERAL MONKEYFLOWER, DISAPPEARING MONKEYFLOWER | Native |
Erythranthe inodora (Under Erythranthe moschata) | | Synonym |
Erythranthe laciniata | CUT-LEAVED MONKEYFLOWER | Native |
Erythranthe latidens | BROAD-TOOTH MONKEYFLOWER | Native |
Erythranthe lewisii | GREAT PURPLE MONKEYFLOWER, LEWIS'S MONKEYFLOWER | Native |
Erythranthe linearifolia | THREADLEAF PRIMROSE MONKEYFLOWER | Native |
Erythranthe marmorata | STANISLAUS MONKEYFLOWER | Native |
Erythranthe microphylla | | Native |
Erythranthe moniliformis (Under Erythranthe moschata) | | Synonym |
Erythranthe montioides | MONTIA-LIKE MONKEYFLOWER | Native |
Erythranthe moschata | MUSK MONKEYFLOWER | Native |
Erythranthe nasuta | | Native |
Erythranthe norrisii | KAWEAH MONKEYFLOWER | Native |
Erythranthe nudata | BARE MONKEYFLOWER | Native |
Erythranthe palmeri | PALMER'S MONKEYFLOWER | Native |
Erythranthe pardalis | PENNELL'S PANTHER | Native |
Erythranthe parishii | PARISH'S MONKEYFLOWER | Native |
Erythranthe percaulis | SERPENTINE CANYON MONKEYFLOWER | Native |
Erythranthe primuloides | | Native |
Erythranthe ptilota | WING-LEAF MONKEYFLOWER | Native |
Erythranthe pulsiferae | CANDELABRUM MONKEYFLOWER | Native |
Erythranthe purpurea | LITTLE PURPLE MONKEYFLOWER | Native |
Erythranthe rhodopetra | RED ROCK CANYON MONKEYFLOWER | Native |
Erythranthe rubella | REDSTEM MONKEYFLOWER | Native |
Erythranthe shevockii | KELSO CREEK MONKEYFLOWER | Native |
Erythranthe sierrae | SIERRA NEVADA MONKEYFLOWER | Native |
Erythranthe suksdorfii | SUKDORF'S MONKEYFLOWER | Native |
Erythranthe taylorii | SHASTA LIMESTONE MONKEYFLOWER | Native |
Erythranthe tilingii | TILING'S MONKEYFLOWER | Native |
Erythranthe trinitiensis | PINK MARGINED MONKEYFLOWER | Native |
Erythranthe utahensis | UTAH MONKEYFLOWER | Native |
Erythronium ↳ Key to Erythronium | FAWN LILY | |
Erythronium californicum | | Native |
Erythronium citrinum | | Native |
Erythronium citrinum var. citrinum | LEMON-COLORED FAWN LILY | Native |
Erythronium citrinum var. roderickii | SCOTT MOUNTAINS FAWN LILY | Native |
Erythronium grandiflorum subsp. chrysandrum (Under Erythronium grandiflorum subsp. grandiflorum) | | Synonym |
Erythronium grandiflorum subsp. grandiflorum | GLACIER LILY | Native |
Erythronium grandiflorum subsp. pusaterii (Under Erythronium pusaterii) | | Synonym |
Erythronium grandiflorum var. grandiflorum (Under Erythronium grandiflorum subsp. grandiflorum) | | Synonym |
Erythronium grandiflorum var. pallidum (Under Erythronium grandiflorum subsp. grandiflorum) | | Synonym |
Erythronium helenae | ST. HELENA FAWN LILY | Native |
Erythronium hendersonii | HENDERSON'S FAWN LILY | Native |
Erythronium howellii (Under Erythronium citrinum var. citrinum) | | Synonym |
Erythronium klamathense | KLAMATH FAWN LILY | Native |
Erythronium multiscapideum | | Native |
Erythronium multiscapoideum (Under Erythronium multiscapideum) | | Orthographic variant |
Erythronium oregonum | GIANT FAWN LILY | Native |
Erythronium oregonum subsp. leucandrum (Under Erythronium oregonum) | | Synonym |
Erythronium pluriflorum | SHUTEYE PEAK FAWN LILY | Native |
Erythronium purpurascens | | Native |
Erythronium pusaterii | KAWEAH FAWN LILY | Native |
Erythronium revolutum | COAST FAWN LILY | Native |
Erythronium shastense | SHASTA FAWN LILY | Native |
Erythronium taylorii | PILOT RIDGE FAWN LILY | Native |
Erythronium tuolumnense | TUOLUMNE FAWN LILY | Native |
Eschscholzia ↳ Key to Eschscholzia | | |
Eschscholzia androuxii | JOSHUA TREE POPPY | Native |
Eschscholzia caespitosa | FOOTHILL POPPY | Native |
Eschscholzia caespitosa subsp. kernensis (Under Eschscholzia lemmonii subsp. kernensis) | | Synonym |
Eschscholzia californica | CALIFORNIA POPPY | Native |
Eschscholzia californica subsp. mexicana (Under Eschscholzia mexicana) | | Synonym |
Eschscholzia californica var. peninsularis (Under Eschscholzia californica) | | Synonym |
Eschscholzia glyptosperma | DESERT GOLD POPPY | Native |
Eschscholzia hypecoides | SAN BENITO POPPY | Native |
Eschscholzia lemmonii | | Native |
Eschscholzia lemmonii subsp. kernensis | TEJON POPPY | Native |
Eschscholzia lemmonii subsp. lemmonii | | Native |
Eschscholzia lobbii | FRYING PANS | Native |
Eschscholzia mexicana | DESERT CALIFORNIA POPPY | Native |
Eschscholzia minutiflora | | Native |
Eschscholzia minutiflora subsp. covillei | COVILLE'S POPPY | Native |
Eschscholzia minutiflora subsp. minutiflora | PYGMY POPPY | Native |
Eschscholzia minutiflora subsp. twisselmannii | RED ROCK POPPY | Native |
Eschscholzia papastillii | MOJAVE POPPY | Native |
Eschscholzia parishii | PARISH'S POPPY; GOLD POPPY | Native |
Eschscholzia ramosa | ISLAND POPPY | Native |
Eschscholzia rhombipetala | DIAMOND-PETALED CALIFORNIA POPPY | Native |
Escobaria ↳ Key to Escobaria | BEEHIVE CACTUS | |
Escobaria alversonii | FOXTAIL CACTUS | Native |
Escobaria chlorantha | DESERT PINCUSHION | Native |
Escobaria deserti (Under Escobaria chlorantha) | | Synonym |
Escobaria vivipara var. alversonii (Under Escobaria alversonii) | | Synonym |
Escobaria vivipara var. deserti (Under Escobaria chlorantha) | | Synonym |
Escobaria vivipara var. rosea | VIVIPAROUS FOXTAIL CACTUS | Native |
Eucalyptus ↳ Key to Eucalyptus | EUCALYPTUS, GUM TREE | |
Eucalyptus camaldulensis | RED GUM, RIVER RED GUM | Naturalized |
Eucalyptus citriodora | LEMON-SCENTED GUM | Naturalized |
Eucalyptus cladocalyx | SUGAR GUM | Naturalized |
Eucalyptus conferruminata | SPIDER GUM, BUSHY YATE | Naturalized |
Eucalyptus corynocalyx (Under Eucalyptus cladocalyx) | | Synonym |
Eucalyptus globulus | BLUE GUM | Naturalized |
Eucalyptus maculata var. citriodora (Under Eucalyptus citriodora) | | Synonym |
Eucalyptus polyanthemos | SILVER DOLLAR GUM, RED BOX | Naturalized |
Eucalyptus pulchella | WHITE PEPPERMINT | Naturalized |
Eucalyptus sideroxylon | RED IRON BARK | Naturalized |
Eucalyptus tereticornis | FOREST RED GUM | Naturalized |
Eucalyptus viminalis | MANNA GUM, RIBBON GUM | Naturalized |
Eucephalus breweri (Under Doellingeria breweri) | | Synonym |
Eucephalus brickellioides (Under Doellingeria tomentella) | | Synonym |
Eucephalus engelmannii (Under Doellingeria engelmannii) | | Synonym |
Eucephalus glabratus (Under Doellingeria glabrata) | | Synonym |
Eucephalus glandulosus (Under Doellingeria glabrata) | | Synonym |
Eucephalus ledophyllus var. covillei (Under Doellingeria ledophylla var. covillei) | | Synonym |
Eucephalus tomentellus (Under Doellingeria tomentella) | | Synonym |
Eucharidium breweri (Under Clarkia breweri) | | Synonym |
Euchiton ↳ Key to Euchiton | COTTONLEAF, CUDWEED | |
Euchiton gymnocephalus | CREEPING CUDWEED | Naturalized |
Euchiton involucratus | STAR COTTONLEAF | Naturalized |
Euchiton sphaericus | GLOBE COTTONLEAF | Naturalized |
Euclidium | | |
Euclidium syriacum | | Naturalized |
Eucnide ↳ Key to Eucnide | ROCK-NETTLE | |
Eucnide rupestris | ANNUAL ROCK-NETTLE | Native |
Eucnide urens | | Native |
Eucrypta ↳ Key to Eucrypta | | |
Eucrypta chrysanthemifolia | | Native |
Eucrypta chrysanthemifolia var. bipinnatifida | | Native |
Eucrypta chrysanthemifolia var. chrysanthemifolia | | Native |
Eucrypta foliosa (Under Eucrypta chrysanthemifolia var. chrysanthemifolia) | | Synonym |
Eucrypta micrantha | | Native |
Eucrypta paniculata (Under Eucrypta chrysanthemifolia var. chrysanthemifolia) | | Synonym |
Eucrypta pinetorum (Under Eucrypta micrantha) | | Synonym |
Eucrypta torreyi (Under Eucrypta chrysanthemifolia var. bipinnatifida) | | Synonym |
Eucycla ovalifolia (Under Eriogonum ovalifolium var. ovalifolium) | | Synonym |
Eucycla purpurea (Under Eriogonum ovalifolium var. purpureum) | | Synonym |
Eugenia apiculata (Under Luma apiculata) | | Synonym |
Eugenia australis (Under Syzygium australe) | | Synonym |
Eulobus | | |
Eulobus californicus | | Native |
Eunanus angustifolius (Under Diplacus mephiticus) | | Synonym |
Eunanus bicolor (Under Diplacus bicolor) | | Synonym |
Eunanus breweri (Under Erythranthe breweri) | | Synonym |
Eunanus layneae (Under Diplacus layneae) | | Synonym |
Eunanus nanus (Under Diplacus nanus) | | Synonym |
Eunanus pictus (Under Diplacus pictus) | | Synonym |
Eunanus pulchellus (Under Diplacus pulchellus) | | Synonym |
Eunanus tolmiei (Under Diplacus nanus) | | Synonym |
Euonymus | BURNING BUSH | |
Euonymus occidentalis ↳ Key to Euonymus occidentalis | WESTERN BURNING BUSH | Native |
Euonymus occidentalis var. occidentalis | | Native |
Euonymus occidentalis var. parishii | | Native |
Eupatorium adenophorum (Under Ageratina adenophora) | | Synonym |
Eupatorium grandiflorum (Under Brickellia grandiflora) | | Synonym |
Eupatorium herbaceum (Under Ageratina herbacea) | | Synonym |
Eupatorium occidentale (Under Ageratina occidentalis) | | Synonym |
Eupatorium shastense (Under Ageratina shastensis) | | Synonym |
Euphorbia ↳ Key to Euphorbia | SPURGE | |
Euphorbia abramsiana | ABRAMS' SPURGE | Native |
Euphorbia albomarginata | RATTLESNAKE SANDMAT | Native |
Euphorbia arenicola (Under Euphorbia ocellata subsp. arenicola) | | Synonym |
Euphorbia arizonica | ARIZONA SPURGE | Native |
Euphorbia crenulata | CHINESE CAPS | Native |
Euphorbia cyathophora | PAINTED LEAF | Waif |
Euphorbia davidii | DAVID'S POINSETTIA | Waif |
Euphorbia dendroides | TREE SPURGE | Naturalized |
Euphorbia dentata | TOOTHED POINSETTIA | Waif |
Euphorbia dentata var. dentata (Under Euphorbia dentata) | | Synonym |
Euphorbia eriantha | BEETLE SPURGE | Native |
Euphorbia exstipulata var. exstipulata | CLARK MOUNTAIN SPURGE | Native |
Euphorbia fendleri | FENDLER'S SANDMAT | Native |
Euphorbia glyptosperma | RIDGE-SEEDED SPURGE | Native |
Euphorbia helioscopia | WARTWEED | Naturalized |
Euphorbia hooveri | HOOVER'S SPURGE | Native |
Euphorbia incisa (Under Euphorbia schizoloba) | | Synonym |
Euphorbia incisa var. incisa (Under Euphorbia schizoloba) | | Synonym |
Euphorbia jaegeri | OROCOPIA MOUNTAINS SPURGE | Native |
Euphorbia lathyris | CAPER SPURGE | Naturalized |
Euphorbia lurida | WOODLAND SPURGE | Native |
Euphorbia maculata | SPOTTED SPURGE | Naturalized |
Euphorbia melanadenia | RED-GLAND SPURGE | Native |
Euphorbia micromera | SONORAN SANDMAT | Native |
Euphorbia misera | CLIFF SPURGE | Native |
Euphorbia myrsinites | MYRTLE SPURGE | Waif |
Euphorbia nutans | EYEBANE SPURGE | Naturalized |
Euphorbia oblongata | EGGLEAF SPURGE | Naturalized |
Euphorbia ocellata | | Native |
Euphorbia ocellata subsp. arenicola | DUNE SPURGE | Native |
Euphorbia ocellata subsp. ocellata | VALLEY SPURGE | Native |
Euphorbia ocellata subsp. rattanii | STONY CREEK SPURGE | Native |
Euphorbia ocellata var. rattanii (Under Euphorbia ocellata subsp. rattanii) | | Synonym |
Euphorbia palmeri (Under Euphorbia lurida) | | Synonym |
Euphorbia parishii | PARISH'S SANDMAT | Native |
Euphorbia parryi | PARRY'S SPURGE | Native |
Euphorbia pediculifera | CARRIZO MOUNTAIN SANDMAT | Native |
Euphorbia peplus | PETTY SPURGE | Naturalized |
Euphorbia platysperma | FLAT-SEEDED SPURGE | Native |
Euphorbia polycarpa | SMALLSEED SANDMAT | Native |
Euphorbia prostrata | PROSTRATE SANDMAT | Naturalized |
Euphorbia rattanii (Under Euphorbia ocellata subsp. rattanii) | | Synonym |
Euphorbia revoluta | REVOLUTE SPURGE | Native |
Euphorbia rigida | GOPHER SPURGE | Waif |
Euphorbia schizoloba | MOJAVE SPURGE | Native |
Euphorbia serpens | MATTED SANDMAT | Naturalized |
Euphorbia serpillifolia | THYME-LEAFED SPURGE | Native |
Euphorbia serpillifolia subsp. hirtula | | Native |
Euphorbia serpillifolia subsp. serpillifolia | | Native |
Euphorbia setiloba | YUMA SANDMAT | Native |
Euphorbia spathulata | WARTY SPURGE | Native |
Euphorbia supina (Under Euphorbia maculata) | | Synonym |
Euphorbia terracina | GERALDTON CARNATION WEED | Naturalized |
Euphorbia vallis-mortae | DEATH VALLEY SANDMAT | Native |
Euphorbia virgata | LEAFY SPURGE | Naturalized |
Euphorbiaceae ↳ Key to Euphorbiaceae | SPURGE FAMILY | |
Euphrosyne ↳ Key to Euphrosyne | | |
Euphrosyne acerosa | COPPERWORT | Native |
Euphrosyne nevadensis | NEVADA WORMWOOD | Native |
Euploca convolvulacea subsp. californica (Under Heliotropium convolvulaceum var. californicum) | | Synonym |
Eurotia lanata (Under Krascheninnikovia lanata) | | Synonym |
Eurybia ↳ Key to Eurybia | ASTER | |
Eurybia integrifolia | | Native |
Eurybia merita | SUBALPINE ASTER | Native |
Eurybia radulina | | Native |
Eustoma | CATCHFLY GENTIAN | |
Eustoma exaltatum subsp. exaltatum | | Native |
Euthamia | GRASS-LEAVED GOLDENROD | |
Euthamia occidentalis | WESTERN GOLDENROD | Native |
Eutoca albiflora (Under Phacelia viscida var. albiflora) | | Synonym |
Eutoca brachyloba (Under Phacelia brachyloba) | | Synonym |
Eutoca congesta (Under Phacelia linearis) | | Synonym |
Eutoca douglasii (Under Phacelia douglasii) | | Synonym |
Eutoca glomerata (Under Phacelia linearis) | | Synonym |
Eutoca grandiflora (Under Phacelia grandiflora) | | Synonym |
Eutoca heterophylla (Under Phacelia linearis) | | Synonym |
Eutoca loasifolia (Under Phacelia malvifolia var. loasifolia) | | Synonym |
Eutoca menziesii (Under Phacelia linearis) | | Synonym |
Eutoca menziesii var. congesta (Under Phacelia linearis) | | Synonym |
Eutoca menziesii var. multiflora (Under Phacelia linearis) | | Synonym |
Eutoca multiflora (Under Phacelia linearis) | | Synonym |
Eutoca phacelioides (Under Phacelia phacelioides) | | Synonym |
Eutoca speciosa (Under Phacelia grandiflora) | | Synonym |
Evax caulescens (Under Hesperevax caulescens) | | Synonym |
Extriplex ↳ Key to Extriplex | | |
Extriplex californica | CALIFORNIA ORACH | Native |
Extriplex joaquinana | SAN JOAQUIN SPEARSCALE | Native |
Fabaceae (Leguminosae) ↳ Key to Fabaceae (Leguminosae) | LEGUME FAMILY | |
Fagaceae ↳ Key to Fagaceae | OAK FAMILY | |
Fagonia ↳ Key to Fagonia | | |
Fagonia californica subsp. laevis (Under Fagonia laevis) | | Synonym |
Fagonia californica subsp. pachyacantha (Under Fagonia pachyacantha) | | Synonym |
Fagonia laevis | | Native |
Fagonia pachyacantha | | Native |
Fallopia ↳ Key to Fallopia | | |
Fallopia aubertii (Under Fallopia baldschuanica) | | Synonym |
Fallopia baldschuanica | BUKHARA FLEECEFLOWER | Naturalized |
Fallopia convolvulus | BLACK BINDWEED | Naturalized |
Fallopia japonica | JAPANESE KNOTWEED | Naturalized |
Fallopia sachalinensis | GIANT KNOTWEED | Naturalized |
Fallugia | APACHE PLUME | |
Fallugia paradoxa | | Native |
Fendlerella | | |
Fendlerella utahensis | YERBA DESIERTO | Native |
Ferocactus ↳ Key to Ferocactus | BARREL CACTUS | |
Ferocactus acanthodes (Under Ferocactus cylindraceus) | | Misapplied name |
Ferocactus cylindraceus | CALIFORNIA BARREL CACTUS | Native |
Ferocactus cylindraceus var. cylindraceus (Under Ferocactus cylindraceus) | | Synonym |
Ferocactus cylindraceus var. lecontei (Under Ferocactus cylindraceus) | | Synonym |
Ferocactus viridescens | SAN DIEGO BARREL CACTUS | Native |
Ferocactus viridescens var. viridescens (Under Ferocactus viridescens) | | Synonym |
Festuca ↳ Key to Festuca | FESCUE, RYE GRASS | |
Festuca arida (Under Festuca microstachys) | | Synonym |
Festuca arundinacea | TALL FESCUE | Naturalized |
Festuca brachyphylla subsp. breviculmis | ALPINE FESCUE | Native |
Festuca bromoides | BROME FESCUE | Naturalized |
Festuca californica | CALIFORNIA FESCUE | Native |
Festuca confusa (Under Festuca microstachys) | | Synonym |
Festuca dertonensis (Under Festuca bromoides) | | Synonym |
Festuca eastwoodiae (Under Festuca microstachys) | | Synonym |
Festuca elatior (Under Festuca arundinacea) | | Synonym |
Festuca elatior var. pratensis (Under Festuca pratensis) | | Synonym |
Festuca elmeri | | Native |
Festuca elmeri subsp. luxurians (Under Festuca elmeri) | | Synonym |
Festuca grayi (Under Festuca microstachys) | | Synonym |
Festuca howellii (Under Festuca elmeri) | | Synonym |
Festuca idahoensis | IDAHO FESCUE, BLUE BUNCHGRASS | Native |
Festuca idahoensis subsp. roemeri (Under Festuca idahoensis) | | Synonym |
Festuca kingii | | Native |
Festuca megalura (Under Festuca myuros) | | Synonym |
Festuca microstachys | | Native |
Festuca microstachys var. ciliata (Under Festuca microstachys) | | Synonym |
Festuca microstachys var. pauciflora (Under Festuca microstachys) | | Synonym |
Festuca microstachys var. simulans (Under Festuca microstachys) | | Synonym |
Festuca minutiflora | SMALL-FLOWERED FESCUE | Native |
Festuca myuros | RATTAIL SIXWEEKS GRASS | Naturalized |
Festuca occidentalis | WESTERN FESCUE | Native |
Festuca octoflora | SIXWEEKS GRASS | Native |
Festuca octoflora subsp. hirtella (Under Festuca octoflora) | | Synonym |
Festuca pacifica (Under Festuca microstachys) | | Synonym |
Festuca perennis | RYE GRASS | Naturalized |
Festuca pratensis | MEADOW FESCUE | Naturalized |
Festuca reflexa (Under Festuca microstachys) | | Synonym |
Festuca roemeri (Under Festuca idahoensis) | | Synonym |
Festuca roemeri var. klamathensis (Under Festuca idahoensis) | | Synonym |
Festuca rubra | RED FESCUE | Native |
Festuca saximontana | MOUNTAIN FESCUE | Native |
Festuca saximontana var. purpusiana (Under Festuca saximontana) | | Synonym |
Festuca saximontana var. saximontana (Under Festuca saximontana) | | Synonym |
Festuca subulata | BEARDED FESCUE | Native |
Festuca subuliflora | CRINKLE-AWN FESCUE | Native |
Festuca temulenta | DARNEL, TARES | Naturalized |
Festuca trachyphylla | HARD or SHEEP FESCUE | Naturalized |
Festuca tracyi (Under Festuca microstachys) | | Synonym |
Festuca viridula | MOUNTAIN BUNCH GRASS, GREEN FESCUE | Native |
Ficus | FIG | |
Ficus carica | EDIBLE FIG | Naturalized |
Filago | | |
Filago arizonica (Under Logfia arizonica) | | Synonym |
Filago californica (Under Logfia filaginoides) | | Synonym |
Filago depressa (Under Logfia depressa) | | Synonym |
Filago gallica (Under Logfia gallica) | | Synonym |
Filago germanica (Under Filago pyramidata var. pyramidata) | | Synonym |
Filago germanica (Under Filago pyramidata var. pyramidata) | | Illegitimate name |
Filago pyramidata var. pyramidata | BROADLEAF COTTONROSE | Naturalized |
Fimbristylis ↳ Key to Fimbristylis | | |
Fimbristylis autumnalis | | Naturalized |
Fimbristylis capillaris (Under Bulbostylis capillaris) | | Synonym |
Fimbristylis thermalis | HOT SPRINGS FIMBRISTYLIS | Native |
Fimbristylis vahlii | | Native |
Flaveria | | |
Flaveria trinervia | | Naturalized |
Floerkea | FALSE MERMAID | |
Floerkea proserpinacoides | | Native |
Foeniculum | | |
Foeniculum vulgare | FENNEL | Naturalized |
Forestiera | | |
Forestiera neomexicana var. arizonica (Under Forestiera pubescens) | | Synonym |
Forestiera neomexicana var. neomexicana (Under Forestiera pubescens) | | Synonym |
Forestiera pubescens | DESERT OLIVE | Native |
Forestiera pubescens var. parviflora (Under Forestiera pubescens) | | Synonym |
Forsellesia arida (Under Glossopetalon spinescens var. aridum) | | Synonym |
Forsellesia nevadensis (Under Glossopetalon spinescens var. aridum) | | Synonym |
Forsellesia pungens (Under Glossopetalon pungens) | | Synonym |
Forsellesia pungens var. glabra (Under Glossopetalon pungens) | | Synonym |
Forsellesia stipulifera (Under Glossopetalon spinescens var. aridum) | | Synonym |
Fouquieria | | |
Fouquieria splendens subsp. splendens | OCOTILLO | Native |
Fouquieriaceae | OCOTILLO FAMILY | |
Fragaria ↳ Key to Fragaria | STRAWBERRY | |
Fragaria chiloensis | BEACH STRAWBERRY | Native |
Fragaria chiloensis subsp. lucida (Under Fragaria chiloensis) | | Synonym |
Fragaria chiloensis subsp. pacifica (Under Fragaria chiloensis) | | Synonym |
Fragaria crinita (Under Fragaria vesca) | | Synonym |
Fragaria vesca | WOOD STRAWBERRY | Native |
Fragaria vesca subsp. bracteata (Under Fragaria vesca) | | Synonym |
Fragaria vesca subsp. californica (Under Fragaria vesca) | | Synonym |
Fragaria virginiana | MOUNTAIN STRAWBERRY | Native |
Fragaria virginiana subsp. platypetala (Under Fragaria virginiana) | | Synonym |
Frangula ↳ Key to Frangula | COFFEE BERRY | |
Frangula californica | CALIFORNIA COFFEE BERRY | Native |
Frangula californica subsp. californica | | Native |
Frangula californica subsp. crassifolia | | Native |
Frangula californica subsp. cuspidata | | Native |
Frangula californica subsp. occidentalis | | Native |
Frangula californica subsp. tomentella | | Native |
Frangula californica subsp. ursina | | Native |
Frangula purshiana | CASCARA | Native |
Frangula purshiana subsp. annonifolia | | Native |
Frangula purshiana subsp. purshiana | | Native |
Frangula purshiana subsp. ultramafica | CARIBOU COFFEE BERRY | Native |
Frangula rubra | SIERRA COFFEE BERRY | Native |
Frangula rubra subsp. modocensis | | Native |
Frangula rubra subsp. obtusissima | | Native |
Frangula rubra subsp. rubra | | Native |
Frangula rubra subsp. yosemitana | | Native |
Frankenia ↳ Key to Frankenia | FRANKENIA | |
Frankenia grandifolia (Under Frankenia salina) | | Synonym |
Frankenia grandifolia var. campestris (Under Frankenia salina) | | Synonym |
Frankenia palmeri | PALMER'S FRANKENIA | Native |
Frankenia pulverulenta | EUROPEAN SEA HEATH | Waif |
Frankenia salina | ALKALI HEATH | Native |
Frankeniaceae | FRANKENIA FAMILY | |
Franseria acanthicarpa (Under Ambrosia acanthicarpa) | | Synonym |
Franseria ambrosioides (Under Ambrosia ambrosioides) | | Synonym |
Franseria chamissonis (Under Ambrosia chamissonis) | | Synonym |
Franseria chamissonis subsp. bipinnatisecta (Under Ambrosia chamissonis) | | Synonym |
Franseria chenopodiifolia (Under Ambrosia chenopodiifolia) | | Synonym |
Franseria confertiflora (Under Ambrosia confertiflora) | | Synonym |
Franseria dumosa (Under Ambrosia dumosa) | | Synonym |
Franseria ilicifolia (Under Ambrosia ilicifolia) | | Synonym |
Frasera ↳ Key to Frasera | | |
Frasera albicaulis | | Native |
Frasera albicaulis var. modocensis | | Native |
Frasera albicaulis var. nitida | | Native |
Frasera albomarginata | | Native |
Frasera albomarginata var. albomarginata | DESERT GREEN-GENTIAN | Native |
Frasera albomarginata var. induta | CLARK MOUNTAIN GREEN-GENTIAN | Native |
Frasera neglecta | PINE GREEN-GENTIAN | Native |
Frasera parryi | | Native |
Frasera puberulenta | | Native |
Frasera speciosa | MONUMENT PLANT | Native |
Frasera tubulosa | | Native |
Frasera umpquaensis | UMPQUA GREEN-GENTIAN | Native |
Fraxinus ↳ Key to Fraxinus | ASH | |
Fraxinus anomala | SINGLE-LEAF ASH | Native |
Fraxinus anomala var. triphylla (Under Fraxinus anomala) | | Synonym |
Fraxinus dipetala | CALIFORNIA ASH | Native |
Fraxinus dipetala var. trifoliolata (Under Fraxinus parryi) | | Synonym |
Fraxinus latifolia | OREGON ASH | Native |
Fraxinus oregona (Under Fraxinus latifolia) | | Synonym |
Fraxinus parryi | CHAPARRAL ASH | Native |
Fraxinus pennsylvanica subsp. oregona (Under Fraxinus latifolia) | | Synonym |
Fraxinus pennsylvanica subsp. velutina (Under Fraxinus velutina) | | Synonym |
Fraxinus trifoliolata (Under Fraxinus parryi) | | Illegitimate name |
Fraxinus velutina | VELVET ASH | Native |
Fraxinus velutina var. coriacea (Under Fraxinus velutina) | | Synonym |
Freesia | | |
Freesia alba (Under Freesia leichtlinii subsp. alba) | | Synonym |
Freesia leichtlinii subsp. alba | | Waif |
Fremontia vermiculata (Under Sarcobatus vermiculatus) | | Synonym |
Fremontodendron ↳ Key to Fremontodendron | FREMONTIA, FLANNELBUSH | |
Fremontodendron californicum | | Native |
Fremontodendron californicum subsp. californicum (Under Fremontodendron californicum) | | Synonym |
Fremontodendron californicum subsp. crassifolium (Under Fremontodendron californicum) | | Synonym |
Fremontodendron californicum subsp. decumbens (Under Fremontodendron decumbens) | | Synonym |
Fremontodendron californicum subsp. napense (Under Fremontodendron californicum) | | Synonym |
Fremontodendron californicum subsp. obispoense (Under Fremontodendron californicum) | | Synonym |
Fremontodendron decumbens | PINE HILL FLANNELBUSH | Native |
Fremontodendron mexicanum | MEXICAN FLANNELBUSH | Native |
Fritillaria ↳ Key to Fritillaria | FRITILLARY | |
Fritillaria affinis | CHECKER LILY | Native |
Fritillaria affinis var. affinis (Under Fritillaria affinis) | | Synonym |
Fritillaria affinis var. tristulis (Under Fritillaria affinis) | | Synonym ined. |
Fritillaria agrestis | STINKBELLS | Native |
Fritillaria atropurpurea | | Native |
Fritillaria atropurpurea var. gracillima (Under Fritillaria atropurpurea) | | Synonym |
Fritillaria biflora | CHOCOLATE LILY | Native |
Fritillaria biflora var. agrestis (Under Fritillaria agrestis) | | Synonym |
Fritillaria biflora var. biflora | | Native |
Fritillaria biflora var. ineziana | HILLSBOROUGH CHOCOLATE LILY | Native |
Fritillaria brandegeei | GREENHORN FRITILLARY | Native |
Fritillaria brandegei (Under Fritillaria brandegeei) | | Orthographic variant |
Fritillaria eastwoodiae | BUTTE COUNTY FRITILLARY | Native |
Fritillaria falcata | TALUS FRITILLARY | Native |
Fritillaria gentneri | GENTNER'S FRITILLARY | Native |
Fritillaria glauca | SISKIYOU FRITILLARIA | Native |
Fritillaria gracillima (Under Fritillaria atropurpurea) | | Synonym |
Fritillaria lanceolata (Under Fritillaria affinis) | | Illegitimate name |
Fritillaria lanceolata var. tristulis (Under Fritillaria affinis) | | Illegitimate name |
Fritillaria liliacea | FRAGRANT FRITILLARY | Native |
Fritillaria micrantha | BROWN BELLS | Native |
Fritillaria ojaiensis | OJAI FRITILLARY | Native |
Fritillaria phaeanthera (Under Fritillaria affinis) | | Synonym |
Fritillaria phaeanthera (Under Fritillaria eastwoodiae) | | Illegitimate name |
Fritillaria pinetorum | PINE FRITILLARY | Native |
Fritillaria pluriflora | ADOBE-LILY | Native |
Fritillaria pudica | YELLOW FRITILLARY | Native |
Fritillaria purdyi | PURDY'S FRITILLARY | Native |
Fritillaria recurva | SCARLET FRITILLARY | Native |
Fritillaria recurva var. coccinea (Under Fritillaria recurva) | | Synonym |
Fritillaria roderickii (Under Fritillaria biflora var. biflora) | | Synonym |
Fritillaria striata | STRIPED ADOBE-LILY | Native |
Fritillaria viridea | SAN BENITO FRITILLARY | Native |
Fumaria ↳ Key to Fumaria | | |
Fumaria capreolata | WHITE RAMPING FUMITORY | Naturalized |
Fumaria officinalis | FUMITORY | Naturalized |
Fumaria parviflora | | Naturalized |
Funastrum ↳ Key to Funastrum | | |
Funastrum crispum | WAVYLEAF TWINEVINE | Native |
Funastrum cynanchoides subsp. heterophyllum (Under Funastrum cynanchoides var. hartwegii) | | Synonym |
Funastrum cynanchoides var. hartwegii | CLIMBING MILKWEED | Native |
Funastrum hirtellum | TRAILING TOWNULA | Native |
Funastrum utahense | UTAH VINE MILKWEED | Native |
Gaillardia ↳ Key to Gaillardia | FIRE WHEEL, BLANKET FLOWER | |
Gaillardia amara (Under Helenium amarum var. amarum) | | Synonym |
Gaillardia aristata | | Waif |
Gaillardia pulchella | | Waif |
Galeobdolon luteum (Under Lamiastrum galeobdolon) | | Synonym |
Galeopsis galeobdolon (Under Lamiastrum galeobdolon) | | Synonym |
Galinsoga | | |
Galinsoga parviflora var. parviflora | | Naturalized |
Galium ↳ Key to Galium | BEDSTRAW | |
Galium ambiguum | YOLLA BOLLY BEDSTRAW | Native |
Galium ambiguum subsp. ambiguum | | Native |
Galium ambiguum subsp. siskiyouense | | Native |
Galium ambiguum var. ambiguum (Under Galium ambiguum subsp. ambiguum) | | Synonym |
Galium ambiguum var. siskiyouense (Under Galium ambiguum subsp. siskiyouense) | | Synonym |
Galium andrewsii | PHLOX-LEAVED BEDSTRAW | Native |
Galium andrewsii subsp. andrewsii | | Native |
Galium andrewsii subsp. gatense | PHLOX-LEAF SERPENTINE BEDSTRAW | Native |
Galium andrewsii subsp. intermedium | | Native |
Galium andrewsii var. gatense (Under Galium andrewsii subsp. gatense) | | Synonym |
Galium angustifolium | NARROWLY LEAVED BEDSTRAW | Native |
Galium angustifolium subsp. angustifolium | | Native |
Galium angustifolium subsp. borregoense | BORREGO BEDSTRAW | Native |
Galium angustifolium subsp. foliosum | | Native |
Galium angustifolium subsp. gabrielense | SAN ANTONIO CANYON BEDSTRAW | Native |
Galium angustifolium subsp. gracillimum | SLENDER BEDSTRAW | Native |
Galium angustifolium subsp. jacinticum | SAN JACINTO MOUNTAINS BEDSTRAW | Native |
Galium angustifolium subsp. nudicaule | | Native |
Galium angustifolium subsp. onycense | ONYX PEAK BEDSTRAW | Native |
Galium angustifolium var. foliosum (Under Galium angustifolium subsp. foliosum) | | Synonym |
Galium angustifolium var. onycense (Under Galium angustifolium subsp. onycense) | | Synonym |
Galium angustifolium var. pinetorum (Under Galium johnstonii) | | Synonym |
Galium aparine | GOOSE GRASS | Native |
Galium argense | | Native |
Galium bifolium | LOW MOUNTAIN BEDSTRAW | Native |
Galium bolanderi | BOLANDER'S BEDSTRAW | Native |
Galium boreale | NORTHERN BEDSTRAW | Native |
Galium boreale subsp. septentrionale (Under Galium boreale) | | Synonym |
Galium buxifolium | BOX BEDSTRAW | Native |
Galium californicum | CALIFORNIA BEDSTRAW | Native |
Galium californicum subsp. californicum | | Native |
Galium californicum subsp. flaccidum | | Native |
Galium californicum subsp. luciense | CONE PEAK BEDSTRAW | Native |
Galium californicum subsp. maritimum | | Native |
Galium californicum subsp. miguelense | SAN MIGUEL ISLAND BEDSTRAW | Native |
Galium californicum subsp. primum | ALVIN MEADOW BEDSTRAW | Native |
Galium californicum subsp. sierrae | EL DORADO BEDSTRAW | Native |
Galium californicum var. miguelense (Under Galium californicum subsp. miguelense) | | Synonym |
Galium catalinense | | Native |
Galium catalinense subsp. acrispum | SAN CLEMENTE ISLAND BEDSTRAW | Native |
Galium catalinense subsp. catalinense | SANTA CATALINA ISLAND BEDSTRAW | Native |
Galium clementis | SANTA LUCIA BEDSTRAW | Native |
Galium cliftonsmithii | SANTA BARBARA BEDSTRAW | Native |
Galium cymosum (Under Galium trifidum subsp. columbianum) | | Synonym |
Galium divaricatum | LAMARCK'S BEDSTRAW | Naturalized |
Galium gabrielense (Under Galium angustifolium subsp. gabrielense) | | Synonym |
Galium glabrescens | | Native |
Galium glabrescens subsp. glabrescens | | Native |
Galium glabrescens subsp. modocense | MODOC BEDSTRAW | Native |
Galium grande | SAN GABRIEL BEDSTRAW | Native |
Galium grayanum | GRAY'S BEDSTRAW | Native |
Galium grayanum var. grayanum | | Native |
Galium grayanum var. nanum | | Native |
Galium hallii | NODDING BEDSTRAW | Native |
Galium hardhamiae | HARDHAM'S BEDSTRAW | Native |
Galium hilendiae | HILEND'S BEDSTRAW | Native |
Galium hilendiae subsp. carneum | PANAMINT MOUNTAINS BEDSTRAW | Native |
Galium hilendiae subsp. hilendiae | | Native |
Galium hilendiae subsp. kingstonense | KINGSTON MOUNTAINS BEDSTRAW | Native |
Galium hypotrichium | ALPINE BEDSTRAW | Native |
Galium hypotrichium subsp. hypotrichium | | Native |
Galium hypotrichium subsp. inyoense | | Native |
Galium hypotrichium subsp. subalpinum | | Native |
Galium hypotrichium subsp. tomentellum | TELESCOPE PEAK BEDSTRAW | Native |
Galium jepsonii | JEPSON'S BEDSTRAW | Native |
Galium johnstonii | JOHNSTON'S BEDSTRAW | Native |
Galium magnifolium | | Native |
Galium matthewsii | MATTHEWS' BEDSTRAW | Native |
Galium mexicanum subsp. asperulum | | Native |
Galium mexicanum var. asperulum (Under Galium mexicanum subsp. asperulum) | | Synonym |
Galium mollugo | HEDGE BEDSTRAW | Naturalized |
Galium multiflorum | KELLOGG'S BEDSTRAW | Native |
Galium multiflorum f. hirsutum (Under Galium multiflorum) | | Synonym |
Galium munzii | MUNZ'S BEDSTRAW | Native |
Galium munzii var. carneum (Under Galium hilendiae subsp. carneum) | | Synonym |
Galium munzii var. kingstonense (Under Galium hilendiae subsp. kingstonense) | | Synonym |
Galium murale | TINY BEDSTRAW | Naturalized |
Galium muricatum | HUMBOLDT BEDSTRAW | Native |
Galium nuttallii | SAN DIEGO BEDSTRAW | Native |
Galium nuttallii subsp. insulare | NUTTALL'S ISLAND BEDSTRAW | Native |
Galium nuttallii subsp. nuttallii | | Native |
Galium nuttallii var. cliftonsmithii (Under Galium cliftonsmithii) | | Synonym |
Galium nuttallii var. ovalifolium (Under Galium porrigens var. porrigens) | | Synonym |
Galium nuttallii var. tenue (Under Galium porrigens var. tenue) | | Synonym |
Galium oreganum | OREGON BEDSTRAW | Native |
Galium parishii | PARISH'S BEDSTRAW | Native |
Galium parisiense | WALL BEDSTRAW | Naturalized |
Galium porrigens | CLIMBING BEDSTRAW | Native |
Galium porrigens var. porrigens | | Native |
Galium porrigens var. tenue | | Native |
Galium proliferum | DESERT BEDSTRAW | Native |
Galium pubens (Under Galium bolanderi) | | Synonym |
Galium serpenticum | | Native |
Galium serpenticum subsp. scotticum | SCOTT MOUNTAIN BEDSTRAW | Native |
Galium serpenticum subsp. warnerense | WARNER MOUNTAINS BEDSTRAW | Native |
Galium sparsiflorum | SEQUOIA BEDSTRAW | Native |
Galium sparsiflorum subsp. glabrius | | Native |
Galium sparsiflorum subsp. sparsiflorum | | Native |
Galium stellatum | | Native |
Galium stellatum subsp. eremicum (Under Galium stellatum) | | Synonym |
Galium stellatum var. eremicum (Under Galium stellatum) | | Synonym |
Galium tricornutum | ROUGH CORN BEDSTRAW | Naturalized |
Galium trifidum | | Native |
Galium trifidum subsp. columbianum | | Native |
Galium trifidum subsp. subbiflorum | | Native |
Galium trifidum var. pacificum (Under Galium trifidum subsp. columbianum) | | Synonym |
Galium trifidum var. pusillum (Under Galium trifidum subsp. subbiflorum) | | Synonym |
Galium triflorum | SWEET-SCENTED BEDSTRAW | Native |
Galium watsonii (Under Galium multiflorum) | | Synonym |
Galium wrightii | WRIGHT'S BEDSTRAW | Native |
Galvezia speciosa (Under Gambelia speciosa) | | Synonym |
Gambelia | | |
Gambelia speciosa | SHOWY ISLAND SNAPDRAGON, SHOWY GREENBRIGHT | Native |
Gamochaeta ↳ Key to Gamochaeta | CUDWEED | |
Gamochaeta argyrinea | | Naturalized |
Gamochaeta calviceps | | Naturalized |
Gamochaeta coarctata | | Naturalized |
Gamochaeta pensylvanica | | Naturalized |
Gamochaeta stachydifolia | | Waif |
Gamochaeta stagnalis | | Naturalized |
Gamochaeta ustulata | | Native |
Garrya ↳ Key to Garrya | SILK TASSEL BUSH | |
Garrya buxifolia | | Native |
Garrya congdonii | | Native |
Garrya elliptica | | Native |
Garrya flavescens | | Native |
Garrya flavescens subsp. congdonii (Under Garrya congdonii) | | Synonym |
Garrya flavescens var. pallida (Under Garrya flavescens) | | Synonym |
Garrya fremontii | | Native |
Garrya veatchii | | Native |
Garryaceae | SILK TASSEL FAMILY | |
Gastridium | | |
Gastridium phleoides | NIT GRASS | Naturalized |
Gastridium ventricosum (Under Gastridium phleoides) | | Misapplied name |
Gaudinia | FRAGILE-OAT | |
Gaudinia fragilis | | Waif |
Gaultheria ↳ Key to Gaultheria | | |
Gaultheria humifusa | ALPINE WINTERGREEN | Native |
Gaultheria ovatifolia | SLENDER WINTERGREEN | Native |
Gaultheria shallon | SALAL | Native |
Gaura coccinea (Under Oenothera suffrutescens) | | Synonym |
Gaura coccinea var. glabra (Under Oenothera suffrutescens) | | Synonym |
Gaura decorticans (Under Eremothera boothii subsp. decorticans) | | Synonym |
Gaura drummondii (Under Oenothera xenogaura) | | Synonym |
Gaura mollis (Under Oenothera curtiflora) | | Synonym |
Gaura odorata (Under Oenothera xenogaura) | | Misapplied name |
Gaura parviflora (Under Oenothera curtiflora) | | Synonym |
Gaura parviflora var. lachnocarpa (Under Oenothera curtiflora) | | Synonym |
Gaura sinuata (Under Oenothera sinuosa) | | Synonym |
Gaura suffrutescens (Under Oenothera suffrutescens) | | Synonym |
Gaura villosa var. mckelveyae (Under Oenothera sinuosa) | | Misapplied name |
Gaura villosa var. villosa (Under Oenothera sinuosa) | | Misapplied name |
Gayophytum ↳ Key to Gayophytum | | |
Gayophytum decipiens | | Native |
Gayophytum diffusum | | Native |
Gayophytum diffusum subsp. diffusum | | Native |
Gayophytum diffusum subsp. parviflorum | | Native |
Gayophytum eriospermum | | Native |
Gayophytum heterozygum | | Native |
Gayophytum humile | | Native |
Gayophytum nuttallii (Under Gayophytum humile) | | Synonym |
Gayophytum oligospermum | | Native |
Gayophytum racemosum | | Native |
Gayophytum ramosissimum | | Native |
Gazania | TREASURE FLOWER | |
Gazania linearis | | Naturalized |
Gazania longiscapa (Under Gazania linearis) | | Synonym |
Genista ↳ Key to Genista | BROOM | |
Genista canariensis | | Naturalized |
Genista linifolia | | Naturalized |
Genista maderensis | MADEIRA BROOM | Waif |
Genista monosperma | BRIDAL VEIL BROOM | Naturalized |
Genista monspessulana | FRENCH BROOM | Naturalized |
Gentiana ↳ Key to Gentiana | GENTIAN | |
Gentiana affinis var. ovata | OREGON GENTIAN | Native |
Gentiana affinis var. parvidentata (Under Gentiana affinis var. ovata) | | Synonym |
Gentiana amarella var. acuta (Under Gentianella amarella subsp. acuta) | | Synonym |
Gentiana bisetaea (Under Gentiana setigera) | | Synonym |
Gentiana calycosa | EXPLORERS' GENTIAN | Native |
Gentiana fremontii | FREMONT'S GENTIAN | Native |
Gentiana holopetala (Under Gentianopsis holopetala) | | Synonym |
Gentiana humilis (Under Gentiana fremontii) | | Illegitimate name |
Gentiana newberryi | ALPINE GENTIAN | Native |
Gentiana newberryi var. newberryi | | Native |
Gentiana newberryi var. tiogana | | Native |
Gentiana oregana (Under Gentiana affinis var. ovata) | | Synonym |
Gentiana plurisetosa | KLAMATH GENTIAN | Native |
Gentiana prostrata | PYGMY GENTIAN | Native |
Gentiana sceptrum | KING'S SCEPTER GENTIAN | Native |
Gentiana setigera | MENDOCINO GENTIAN | Native |
Gentiana simplex (Under Gentianopsis simplex) | | Synonym |
Gentiana tenella (Under Comastoma tenellum) | | Synonym |
Gentiana tiogana (Under Gentiana newberryi var. tiogana) | | Synonym |
Gentianaceae ↳ Key to Gentianaceae | GENTIAN FAMILY | |
Gentianella | | |
Gentianella amarella subsp. acuta | NORTHERN GENTIAN | Native |
Gentianella tenella (Under Comastoma tenellum) | | Synonym |
Gentianella tenella subsp. tenella (Under Comastoma tenellum) | | Synonym |
Gentianella tenella var. tenella (Under Comastoma tenellum) | | Synonym |
Gentianopsis ↳ Key to Gentianopsis | FRINGED GENTIAN | |
Gentianopsis holopetala | SIERRA GENTIAN | Native |
Gentianopsis simplex | HIKERS' GENTIAN | Native |
Geraea ↳ Key to Geraea | | |
Geraea canescens | DESERT-SUNFLOWER | Native |
Geraea viscida | STICKY GERAEA | Native |
Geraniaceae ↳ Key to Geraniaceae | GERANIUM FAMILY | |
Geranium ↳ Key to Geranium | CRANESBILL, GERANIUM | |
Geranium aequale | | Naturalized |
Geranium anemonifolium (Under Geranium palmatum) | | Illegitimate name |
Geranium attenuilobum (Under Geranium viscosissimum) | | Synonym |
Geranium bicknellii | | Native |
Geranium bicknellii var. longipes (Under Geranium bicknellii) | | Synonym |
Geranium californicum | | Native |
Geranium carolinianum | | Native |
Geranium carolinianum var. carolinianum (Under Geranium carolinianum) | | Synonym |
Geranium carolinianum var. sphaerospermum (Under Geranium carolinianum) | | Synonym |
Geranium columbinum | | Naturalized |
Geranium concinnum (Under Geranium californicum) | | Synonym |
Geranium core-core | | Naturalized |
Geranium dissectum | | Naturalized |
Geranium lucidum | | Naturalized |
Geranium microphyllum (Under Geranium potentilloides) | | Synonym |
Geranium molle | | Naturalized |
Geranium oreganum | | Native |
Geranium palmatum | | Urban weed |
Geranium pilosum (Under Geranium solanderi) | | Synonym |
Geranium pilosum (Under Geranium solanderi) | | Illegitimate name |
Geranium potentilloides | | Naturalized |
Geranium purpureum | | Naturalized |
Geranium pusillum | | Naturalized |
Geranium pyrenaicum | | Urban weed |
Geranium richardsonii | | Native |
Geranium robertianum | | Naturalized |
Geranium rotundifolium | | Naturalized |
Geranium solanderi | | Naturalized |
Geranium sphaerospermum (Under Geranium carolinianum) | | Synonym |
Geranium texanum | | Waif |
Geranium viscosissimum | | Native |
Geranium viscosissimum var. incisum (Under Geranium oreganum) | | Synonym |
Geum ↳ Key to Geum | | |
Geum aleppicum | ALEPPO OR YELLOW AVENS | Native |
Geum canescens (Under Geum triflorum var. ciliatum) | | Synonym |
Geum ciliatum (Under Geum triflorum var. ciliatum) | | Synonym |
Geum macrophyllum | LARGE-LEAVED AVENS | Native |
Geum macrophyllum var. macrophyllum | | Native |
Geum macrophyllum var. perincisum | | Native |
Geum strictum (Under Geum aleppicum) | | Synonym |
Geum triflorum var. canescens (Under Geum triflorum var. ciliatum) | | Synonym |
Geum triflorum var. ciliatum | PRAIRIE-SMOKE | Native |
Gilia ↳ Key to Gilia | | |
Gilia achilleifolia | CALIFORNIA GILIA | Native |
Gilia achilleifolia subsp. achilleifolia | | Native |
Gilia achilleifolia subsp. multicaulis | | Native |
Gilia aliquanta | PUFFCALYX GILIA, WESTERN GILIA | Native |
Gilia aliquanta subsp. aliquanta | | Native |
Gilia aliquanta subsp. breviloba | | Native |
Gilia alpina (Under Gilia salticola) | | Synonym |
Gilia angelensis | CHAPARRAL GILIA | Native |
Gilia australis (Under Saltugilia australis) | | Synonym |
Gilia austro-occidentalis | SOUTHWESTERN GILIA | Native |
Gilia brecciarum | BREAK GILIA, NEVADA GILIA | Native |
Gilia brecciarum subsp. argusana (Under Gilia brecciarum subsp. neglecta) | | Synonym |
Gilia brecciarum subsp. brecciarum | | Native |
Gilia brecciarum subsp. jacens (Under Gilia jacens) | | Synonym |
Gilia brecciarum subsp. neglecta | | Native |
Gilia campanulata (Under Linanthus campanulatus) | | Synonym |
Gilia cana | DESERT GILIA, SHOWY GILIA | Native |
Gilia cana subsp. bernardina | | Native |
Gilia cana subsp. cana | | Native |
Gilia cana subsp. speciformis | | Native |
Gilia cana subsp. speciosa | | Native |
Gilia cana subsp. triceps | | Native |
Gilia capillaris (Under Navarretia capillaris) | | Synonym |
Gilia capitata | BLUEHEAD GILIA | Native |
Gilia capitata subsp. abrotanifolia | | Native |
Gilia capitata subsp. capitata | | Native |
Gilia capitata subsp. chamissonis | BLUE COAST GILIA | Native |
Gilia capitata subsp. mediomontana | | Native |
Gilia capitata subsp. pacifica | PACIFIC GILIA | Native |
Gilia capitata subsp. pedemontana | | Native |
Gilia capitata subsp. staminea | | Native |
Gilia capitata subsp. tomentosa | WOOLLY-HEADED GILIA | Native |
Gilia caruifolia (Under Saltugilia caruifolia) | | Synonym |
Gilia clivorum | PURPLESPOT GILIA | Native |
Gilia clokeyi | CLOKEY'S GILIA | Native |
Gilia diegensis | COASTAL GILIA | Native |
Gilia filiformis (Under Linanthus filiformis) | | Synonym |
Gilia humillima (Under Aliciella humillima) | | Synonym |
Gilia hutchinsifolia (Under Aliciella hutchinsifolia) | | Synonym |
Gilia inconspicua | SHY GILIA | Native |
Gilia inconspicua var. oreophila (Under Gilia achilleifolia subsp. multicaulis) | | Synonym |
Gilia interior | INLAND GILIA | Native |
Gilia inyoensis (Under Linanthus inyoensis) | | Synonym |
Gilia inyoensis var. breviuscula (Under Linanthus inyoensis) | | Synonym |
Gilia jacens | | Native |
Gilia jaegeri (Under Linanthus jaegeri) | | Synonym |
Gilia latiflora | BROAD-FLOWERED GILIA | Native |
Gilia latiflora subsp. cosana (Under Gilia cana subsp. cana) | | Synonym |
Gilia latiflora subsp. cuyamensis | CUYAMA GILIA | Native |
Gilia latiflora subsp. davyi | DAVY'S BROAD-FLOWERED GILIA | Native |
Gilia latiflora subsp. elongata | | Native |
Gilia latiflora subsp. excellens (Under Gilia latiflora subsp. davyi) | | Synonym |
Gilia latiflora subsp. latiflora | BROAD-LEAVED GILIA | Native |
Gilia latifolia (Under Aliciella latifolia subsp. latifolia) | | Synonym |
Gilia latifolia subsp. latifolia (Under Aliciella latifolia subsp. latifolia) | | Synonym |
Gilia latifolia var. latifolia (Under Aliciella latifolia subsp. latifolia) | | Synonym |
Gilia latimeri (Under Saltugilia latimeri) | | Synonym |
Gilia leptalea (Under Navarretia leptalea) | | Synonym |
Gilia leptalea subsp. bicolor (Under Navarretia leptalea subsp. bicolor) | | Synonym |
Gilia leptalea subsp. leptalea (Under Navarretia leptalea subsp. leptalea) | | Synonym |
Gilia leptalea subsp. pinnnatisecta (Under Navarretia linearifolia subsp. pinnatisecta) | | Synonym |
Gilia leptantha | FINEFLOWERED GILIA | Native |
Gilia leptantha subsp. leptantha | SAN BERNARDINO GILIA | Native |
Gilia leptantha subsp. pinetorum | PINE GILIA | Native |
Gilia leptantha subsp. purpusii | PURPUS' FINEFLOWERED GILIA | Native |
Gilia leptantha subsp. salticola (Under Gilia salticola) | | Synonym |
Gilia leptantha subsp. transversa | | Native |
Gilia leptantha subsp. vivida (Under Gilia ochroleuca subsp. vivida) | | Synonym |
Gilia leptomeria (Under Aliciella leptomeria) | | Synonym |
Gilia lottiae (Under Aliciella lottiae) | | Synonym |
Gilia maculata (Under Linanthus maculatus) | | Synonym |
Gilia malior | SCRUB GILIA, GREAT BASIN GILIA | Native |
Gilia mexicana | EL PASO GILIA | Native |
Gilia micromeria (Under Aliciella micromeria) | | Synonym |
Gilia millefoliata | DARK-EYED GILIA | Native |
Gilia minor | LITTLE GILIA | Native |
Gilia modocensis | MODOC GILIA | Native |
Gilia multicaulis (Under Gilia achilleifolia subsp. multicaulis) | | Synonym |
Gilia nevinii | NEVIN'S GILIA | Native |
Gilia ochroleuca | VOLCANIC GILIA | Native |
Gilia ochroleuca subsp. bizonata | | Native |
Gilia ochroleuca subsp. exilis | | Native |
Gilia ochroleuca subsp. ochroleuca | | Native |
Gilia ochroleuca subsp. vivida | | Native |
Gilia ophthalmoides | EYED GILIA, YELLOW-EYED GILIA | Native |
Gilia ripleyi (Under Aliciella ripleyi) | | Synonym |
Gilia salticola | SALT GILIA | Native |
Gilia scopulorum | ROCK GILIA | Native |
Gilia sherman-hoytae (Under Eriastrum pluriflorum subsp. sherman-hoytae) | | Synonym |
Gilia sinistra (Under Navarretia sinistra) | | Synonym |
Gilia sinistra subsp. pinnatisecta (Under Navarretia linearifolia subsp. pinnatisecta) | | Synonym |
Gilia sinuata | ROSY GILIA | Native |
Gilia splendens (Under Saltugilia splendens) | | Synonym |
Gilia splendens subsp. australis (Under Saltugilia australis) | | Synonym |
Gilia splendens subsp. grantii (Under Saltugilia splendens subsp. grantii) | | Synonym |
Gilia splendens subsp. splendens (Under Saltugilia splendens subsp. splendens) | | Synonym |
Gilia stellata | STAR GILIA | Native |
Gilia subacaulis (Under Aliciella monoensis) | | Misapplied name |
Gilia tenerrima (Under Lathrocasis tenerrima) | | Synonym |
Gilia tenuiflora | | Native |
Gilia tenuiflora subsp. amplifaucalis | TRUMPET-THROATED GILIA | Native |
Gilia tenuiflora subsp. arenaria | MONTEREY GILIA | Native |
Gilia tenuiflora subsp. docmilleri | SANTA LUCIA GILIA | Native |
Gilia tenuiflora subsp. hoffmannii | HOFFMANN'S SLENDER-FLOWERED GILIA | Native |
Gilia tenuiflora subsp. tenuiflora | SLENDER-FLOWERED GILIA, GREATER YELLOWTHROAT GILIA | Native |
Gilia transmontana | TRANSMONTANE GILIA | Native |
Gilia tricolor | BIRD'S-EYE GILIA | Native |
Gilia tricolor subsp. diffusa | | Native |
Gilia tricolor subsp. tricolor | | Native |
Gilia triodon (Under Aliciella triodon) | | Synonym |
Gilia yorkii | MONARCH GILIA | Native |
Gilmania | GOLDEN-CARPET | |
Gilmania luteola | GOLDEN-CARPET GILMANIA | Native |
Githopsis ↳ Key to Githopsis | BLUECUP | |
Githopsis calycina (Under Githopsis specularioides) | | Synonym |
Githopsis diffusa | | Native |
Githopsis diffusa subsp. candida | | Native |
Githopsis diffusa subsp. diffusa | | Native |
Githopsis diffusa subsp. filicaulis | MISSION CANYON BLUECUP | Native |
Githopsis diffusa subsp. robusta | | Native |
Githopsis filicaulis (Under Githopsis diffusa subsp. filicaulis) | | Synonym |
Githopsis gilioides (Under Githopsis diffusa subsp. diffusa) | | Synonym |
Githopsis pulchella | | Native |
Githopsis pulchella subsp. campestris | | Native |
Githopsis pulchella subsp. pulchella | | Native |
Githopsis pulchella subsp. serpentinicola | SERPENTINE BLUECUP | Native |
Githopsis pulchella var. glabra | | Native |
Githopsis pulchella var. pulchella | | Native |
Githopsis specularioides | | Native |
Githopsis specularioides subsp. candida (Under Githopsis diffusa subsp. candida) | | Synonym |
Githopsis specularioides var. glabra (Under Githopsis pulchella var. glabra) | | Synonym |
Githopsis tenella | DELICATE BLUECUP | Native |
Glandularia gooddingii (Under Verbena gooddingii) | | Synonym |
Glandularia pulchella (Under Verbena pulchella) | | Synonym |
Glaucium | | |
Glaucium flavum | SEA POPPY | Waif |
Glaux maritima (Under Lysimachia maritima) | | Synonym |
Glebionis ↳ Key to Glebionis | | |
Glebionis coronaria | GARLAND or CROWN DAISY | Naturalized |
Glebionis coronaria var. discolor (Under Glebionis coronaria) | | Synonym |
Glebionis segetum | CORN CHRYSANTHEMUM | Naturalized |
Glechoma | GROUND IVY | |
Glechoma hederacea | | Naturalized |
Gleditsia | HONEY LOCUST | |
Gleditsia triacanthos | HONEY LOCUST | Naturalized |
Glehnia | | |
Glehnia leiocarpa (Under Glehnia littoralis subsp. leiocarpa) | | Synonym |
Glehnia littoralis subsp. leiocarpa | AMERICAN GLEHNIA | Native |
Glinus ↳ Key to Glinus | DAMASCISA | |
Glinus lotoides | | Naturalized |
Glinus radiatus | SHINING DAMASCISA | Naturalized |
Glossopetalon ↳ Key to Glossopetalon | | |
Glossopetalon pungens | PUNGENT GLOSSOPETALON | Native |
Glossopetalon spinescens var. aridum | NEVADA GREASEWOOD | Native |
Glyceria ↳ Key to Glyceria | MANNA GRASS | |
Glyceria ×occidentalis | WESTERN MANNA GRASS | Naturalized |
Glyceria borealis | BOREAL MANNA GRASS | Native |
Glyceria davyi (Under Glyceria leptostachya) | | Synonym |
Glyceria declinata | LOW MANNA GRASS | Naturalized |
Glyceria elata | FOWL MANNA GRASS | Native |
Glyceria fluitans | WATER MANNA GRASS | Naturalized |
Glyceria grandis | AMERICAN MANNA GRASS | Native |
Glyceria grandis var. grandis (Under Glyceria grandis) | | Synonym |
Glyceria leptostachya | NARROW MANNA GRASS | Native |
Glyceria occidentalis (Under Glyceria ×occidentalis) | | Synonym |
Glyceria striata | RIDGED MANNA GRASS | Native |
Glycyrrhiza ↳ Key to Glycyrrhiza | | |
Glycyrrhiza glabra | LICORICE | Naturalized |
Glycyrrhiza lepidota | WILD LICORICE | Native |
Glyptopleura ↳ Key to Glyptopleura | | |
Glyptopleura marginata | | Native |
Glyptopleura setulosa | | Native |
Gnaphalium | CUDWEED | |
Gnaphalium beneolens (Under Pseudognaphalium beneolens) | | Synonym |
Gnaphalium bicolor (Under Pseudognaphalium biolettii) | | Illegitimate name |
Gnaphalium californicum (Under Pseudognaphalium californicum) | | Synonym |
Gnaphalium canescens (Under Pseudognaphalium canescens) | | Synonym |
Gnaphalium canescens subsp. beneolens (Under Pseudognaphalium beneolens) | | Synonym |
Gnaphalium canescens subsp. microcephalum (Under Pseudognaphalium microcephalum) | | Synonym |
Gnaphalium canescens subsp. thermale (Under Pseudognaphalium thermale) | | Synonym |
Gnaphalium chilense (Under Pseudognaphalium stramineum) | | Synonym |
Gnaphalium collinum (Under Euchiton gymnocephalus) | | Illegitimate name |
Gnaphalium gymnocephalum (Under Euchiton gymnocephalus) | | Synonym |
Gnaphalium japonicum (Under Euchiton sphaericus) | | Misapplied name |
Gnaphalium leucocephalum (Under Pseudognaphalium leucocephalum) | | Synonym |
Gnaphalium luteo-album (Under Pseudognaphalium luteoalbum) | | Orthographic variant |
Gnaphalium luteoalbum (Under Pseudognaphalium luteoalbum) | | Synonym |
Gnaphalium macounii (Under Pseudognaphalium macounii) | | Synonym |
Gnaphalium microcephalum (Under Pseudognaphalium microcephalum) | | Synonym |
Gnaphalium microcephalum var. thermale (Under Pseudognaphalium thermale) | | Synonym |
Gnaphalium palustre | | Native |
Gnaphalium purpureum (Under Gamochaeta ustulata) | | Unabridged misapplied name |
Gnaphalium ramosissimum (Under Pseudognaphalium ramosissimum) | | Synonym |
Gnaphalium roseum (Under Pseudognaphalium roseum) | | Synonym |
Gnaphalium stramineum (Under Pseudognaphalium stramineum) | | Synonym |
Gnaphalium thermale (Under Pseudognaphalium thermale) | | Synonym |
Gnaphalium wrightii (Under Pseudognaphalium canescens) | | Synonym |
Gomphocarpus fruticosus (Under Asclepias fruticosa) | | Synonym |
Gonolobus californicus (Under Matelea parvifolia) | | Synonym |
Goodmania | | |
Goodmania luteola | GOLDEN GOODMANIA | Native |
Goodyera | | |
Goodyera oblongifolia | RATTLESNAKE-PLANTAIN | Native |
Gormania burnhamii (Under Sedum obtusatum) | | Synonym |
Gormania eastwoodiae (Under Sedum eastwoodiae) | | Synonym |
Gormania hallii (Under Sedum obtusatum) | | Synonym |
Gormania obtusata (Under Sedum obtusatum) | | Synonym |
Gormania retusa (Under Sedum sanhedrinum) | | Synonym |
Gossypium | COTTON | |
Gossypium hirsutum | COTTON | Waif |
Graphephorum wolfii (Under Trisetum wolfii) | | Synonym |
Gratiola ↳ Key to Gratiola | HEDGE-HYSSOP | |
Gratiola ebracteata | BRACTLESS HEDGE-HYSSOP | Native |
Gratiola heterosepala | BOGGS LAKE HEDGE-HYSSOP | Native |
Gratiola neglecta | CLAMMY HEDGE-HYSSOP | Native |
Grayia | HOP-SAGE | |
Grayia spinosa | | Native |
Greeneocharis ↳ Key to Greeneocharis | | |
Greeneocharis circumscissa | | Native |
Greeneocharis circumscissa var. circumscissa | CUSHION GREENEOCHARIS | Native |
Greeneocharis circumscissa var. rosulata | ROSETTE CUSHION GREENEOCHARIS | Native |
Greeneocharis similis | DOME GREENEOCHARIS | Native |
Grevillea | | |
Grevillea robusta | | Naturalized |
Grindelia ↳ Key to Grindelia | GUMPLANT | |
Grindelia ×paludosa | SUISUN GUMPLANT | Native |
Grindelia arenicola (Under Grindelia stricta var. stricta) | | Synonym |
Grindelia blakei (Under Grindelia stricta var. stricta) | | Synonym |
Grindelia camporum | | Native |
Grindelia camporum var. bracteosa (Under Grindelia camporum) | | Synonym |
Grindelia camporum var. bracteosum (Under Grindelia camporum) | | Orthographic variant |
Grindelia fraxinipratensis | ASH MEADOWS GUMPLANT | Native |
Grindelia fraxino-pratensis (Under Grindelia fraxinipratensis) | | Orthographic variant |
Grindelia hallii | SAN DIEGO GUMPLANT | Native |
Grindelia hirsutula | | Native |
Grindelia hirsutula var. davyi (Under Grindelia camporum) | | Synonym |
Grindelia hirsutula var. hallii (Under Grindelia hallii) | | Synonym |
Grindelia hirsutula var. maritima (Under Grindelia hirsutula) | | Synonym |
Grindelia latifolia (Under Grindelia stricta var. platyphylla) | | Synonym |
Grindelia nana | | Native |
Grindelia nana var. altissima (Under Grindelia nana) | | Synonym |
Grindelia nana var. turbinella (Under Grindelia nana) | | Synonym |
Grindelia squarrosa var. serrulata | | Naturalized |
Grindelia stricta | | Native |
Grindelia stricta var. angustifolia | MARSH GUMPLANT | Native |
Grindelia stricta var. platyphylla | | Native |
Grindelia stricta var. stricta | | Native |
Grossulariaceae | GOOSEBERRY FAMILY | |
Grusonia ↳ Key to Grusonia | CLUB-CHOLLA | |
Grusonia parishii | PARISH'S CLUB-CHOLLA | Native |
Grusonia pulchella | BEAUTIFUL CLUB-CHOLLA | Native |
Gruvelia | | |
Gruvelia pusilla | LITTLE GRUVELIA | Native |
Guilleminea | | |
Guilleminea densa var. aggregata | SMALL MATWEED | Waif |
Guillenia cooperi (Under Caulanthus cooperi) | | Synonym |
Guillenia flavescens (Under Caulanthus flavescens) | | Synonym |
Guillenia heterophylla (Under Caulanthus heterophyllus) | | Synonym |
Guillenia lasiophylla (Under Caulanthus lasiophyllus) | | Synonym |
Guillenia lemmonii (Under Caulanthus anceps) | | Synonym ined. |
Gunnera | | |
Gunnera chilensis (Under Gunnera tinctoria) | | Synonym |
Gunnera tinctoria | CHILEAN-RHUBARB | Naturalized |
Gunneraceae | GUNNERA FAMILY | |
Gutierrezia ↳ Key to Gutierrezia | SNAKEWEED, MATCHWEED | |
Gutierrezia bracteata (Under Gutierrezia californica) | | Synonym |
Gutierrezia californica | CALIFORNIA MATCHWEED | Native |
Gutierrezia microcephala | STICKY SNAKEWEED | Native |
Gutierrezia sarothrae | MATCHWEED | Native |
Gymnosteris | | |
Gymnosteris parvula | | Native |
Gypsophila ↳ Key to Gypsophila | BABY'S-BREATH | |
Gypsophila elegans | SHOWY BABY'S-BREATH | Naturalized |
Gypsophila elegans var. elegans (Under Gypsophila elegans) | | Synonym |
Gypsophila paniculata | BABY'S-BREATH | Naturalized |
Gypsophila paniculata var. paniculata (Under Gypsophila paniculata) | | Synonym |
Gypsophila scorzonerifolia | GLANDULAR BABY'S-BREATH | Waif |
Gypsophila vaccaria | COW-HERB | Naturalized |
Habenaria dilatata var. leucostachys (Under Platanthera dilatata var. leucostachys) | | Synonym |
Habenaria elegans var. elata (Under Piperia elongata) | | Synonym |
Habenaria elegans var. maritima (Under Piperia elegans subsp. elegans) | | Synonym |
Habenaria elegans var. multiflora (Under Piperia elegans subsp. elegans) | | Synonym |
Habenaria greenei (Under Piperia elegans subsp. elegans) | | Synonym |
Habenaria leucostachys var. virida (Under Platanthera sparsiflora) | | Synonym |
Habenaria saccata (Under Platanthera stricta) | | Synonym |
Habenaria unalascensis (Under Piperia unalascensis) | | Synonym |
Hackelia ↳ Key to Hackelia | STICKSEED | |
Hackelia amethystina | AMETHYST STICKSEED | Native |
Hackelia bella | BEAUTIFUL STICKSEED | Native |
Hackelia brevicula | POISON CANYON STICKSEED | Native |
Hackelia californica | CALIFORNIA STICKSEED | Native |
Hackelia cusickii | CUSICK'S STICKSEED | Native |
Hackelia floribunda | MANY-FLOWERED STICKSEED | Native |
Hackelia jessicae (Under Hackelia micrantha) | | Synonym |
Hackelia longituba (Under Hackelia velutina) | | Synonym |
Hackelia micrantha | JESSICA'S STICKSEED, MEADOW STICKSEED | Native |
Hackelia mundula | PINK-FLOWERED STICKSEED | Native |
Hackelia nervosa | SIERRAN STICKSEED | Native |
Hackelia setosa | BRISTLY STICKSEED, SISKIYOU STICKSEED | Native |
Hackelia sharsmithii | SHARSMITH'S STICKSEED | Native |
Hackelia velutina | VELVETY STICKSEED | Native |
Hainardia | BARB GRASS | |
Hainardia cylindrica | | Naturalized |
Halerpestes cymbalaria (Under Ranunculus cymbalaria) | | Synonym |
Halimodendron | | |
Halimodendron halodendron | RUSSIAN SALT TREE | Agricultural weed |
Halimolobos | | |
Halimolobos diffusa var. jaegeri (Under Halimolobos jaegeri) | | Synonym |
Halimolobos jaegeri | | Native |
Halimolobos virgata (Under Transberingia bursifolia subsp. virgata) | | Synonym |
Halogeton | | |
Halogeton glomeratus | SALTLOVER | Naturalized |
Haloragaceae | WATER-MILFOIL FAMILY | |
Haplopappus acaulis (Under Stenotus acaulis) | | Synonym |
Haplopappus acradenius subsp. bracteosus (Under Isocoma acradenia var. bracteosa) | | Synonym |
Haplopappus acradenius subsp. eremophilus (Under Isocoma acradenia var. eremophila) | | Synonym |
Haplopappus apargioides (Under Pyrrocoma apargioides) | | Synonym |
Haplopappus arborescens (Under Ericameria arborescens) | | Synonym |
Haplopappus bloomeri (Under Ericameria bloomeri) | | Synonym |
Haplopappus brickellioides (Under Hazardia brickellioides) | | Synonym |
Haplopappus canus (Under Hazardia cana) | | Synonym |
Haplopappus carthamoides subsp. cusickii (Under Pyrrocoma carthamoides var. cusickii) | | Synonym |
Haplopappus cuneatus var. spathulatus (Under Ericameria cuneata var. spathulata) | | Synonym |
Haplopappus eastwoodiae (Under Ericameria fasciculata) | | Synonym |
Haplopappus ericoides (Under Ericameria ericoides) | | Synonym |
Haplopappus ericoides subsp. blakei (Under Ericameria ericoides) | | Synonym |
Haplopappus eximius (Under Tonestus eximius) | | Synonym |
Haplopappus eximius subsp. peirsonii (Under Tonestus peirsonii) | | Synonym |
Haplopappus gilmanii (Under Ericameria gilmanii) | | Synonym |
Haplopappus greenei (Under Ericameria greenei) | | Synonym |
Haplopappus hirtus subsp. hirtus (Under Pyrrocoma hirta var. hirta) | | Synonym |
Haplopappus hirtus subsp. lanulosus (Under Pyrrocoma hirta var. lanulosa) | | Synonym |
Haplopappus hirtus var. lanulosus (Under Pyrrocoma hirta var. lanulosa) | | Synonym |
Haplopappus lanceolatus (Under Pyrrocoma lanceolata var. lanceolata) | | Synonym |
Haplopappus lanceolatus subsp. tenuicaulis (Under Pyrrocoma lanceolata var. lanceolata) | | Synonym |
Haplopappus laricifolius (Under Ericameria laricifolia) | | Synonym |
Haplopappus linearifolius (Under Ericameria linearifolia) | | Synonym |
Haplopappus lucidus (Under Pyrrocoma lucida) | | Synonym |
Haplopappus lyallii (Under Tonestus lyallii) | | Synonym |
Haplopappus macronema (Under Ericameria discoidea) | | Synonym |
Haplopappus nanus (Under Ericameria nana) | | Synonym |
Haplopappus occidentalis (Under Benitoa occidentalis) | | Synonym |
Haplopappus ophitidis (Under Ericameria ophitidis) | | Synonym |
Haplopappus peirsonii (Under Tonestus peirsonii) | | Synonym |
Haplopappus pinifolius (Under Ericameria pinifolia) | | Synonym |
Haplopappus propinquus (Under Ericameria brachylepis) | | Synonym |
Haplopappus racemosus subsp. congestus (Under Pyrrocoma racemosa var. congesta) | | Synonym |
Haplopappus racemosus subsp. glomeratus (Under Pyrrocoma racemosa var. paniculata) | | Synonym |
Haplopappus racemosus subsp. pinetorum (Under Pyrrocoma racemosa var. pinetorum) | | Synonym |
Haplopappus racemosus subsp. sessiliflorus (Under Pyrrocoma racemosa var. sessiliflora) | | Synonym |
Haplopappus squarrosus subsp. grindelioides (Under Hazardia squarrosa var. grindelioides) | | Synonym |
Haplopappus squarrosus subsp. obtusus (Under Hazardia squarrosa var. obtusa) | | Synonym |
Haplopappus squarrosus subsp. stenolepis (Under Hazardia stenolepis) | | Synonym |
Haplopappus stenophyllus (Under Nestotus stenophyllus) | | Synonym |
Haplopappus suffruticosus (Under Ericameria suffruticosa) | | Synonym |
Haplopappus uniflorus subsp. gossypinus (Under Pyrrocoma uniflora var. gossypina) | | Synonym |
Haplopappus venetus subsp. argutus (Under Isocoma arguta) | | Synonym |
Haplopappus venetus subsp. furfuraceus (Under Isocoma menziesii var. menziesii) | | Synonym |
Haplopappus whitneyi subsp. discoideus (Under Hazardia whitneyi var. discoidea) | | Synonym |
Harmonia ↳ Key to Harmonia | | |
Harmonia doris-nilesiae | NILES' HARMONIA | Native |
Harmonia guggolziorum | GUGGOLZ'S HARMONIA | Native |
Harmonia hallii | HALL'S HARMONIA | Native |
Harmonia nutans | NODDING HARMONIA | Native |
Harmonia stebbinsii | STEBBINS' HARMONIA | Native |
Harpagonella | GRAPPLINGHOOK | |
Harpagonella palmeri | PALMER'S GRAPPLINGHOOK | Native |
Hartmaniella | | |
Hartmaniella sierrae | SIERRA STARWORT | Native |
Hastingsia ↳ Key to Hastingsia | | |
Hastingsia alba | | Native |
Hastingsia serpentinicola | | Native |
Hazardia ↳ Key to Hazardia | GOLDENBUSH | |
Hazardia brickellioides | BRICKELL GOLDENBUSH | Native |
Hazardia cana | SAN CLEMENTE ISLAND HAZARDIA | Native |
Hazardia detonsa | ISLAND HAZARDIA | Native |
Hazardia orcuttii | ORCUTT'S HAZARDIA | Native |
Hazardia squarrosa | SAW-TOOTHED GOLDENBUSH | Native |
Hazardia squarrosa var. grindelioides | | Native |
Hazardia squarrosa var. obtusa | | Native |
Hazardia squarrosa var. squarrosa | | Native |
Hazardia stenolepis | | Native |
Hazardia whitneyi | WHITNEY'S GOLDENBUSH | Native |
Hazardia whitneyi var. discoidea | | Native |
Hazardia whitneyi var. whitneyi | | Native |
Hecastocleis | | |
Hecastocleis shockleyi | | Native |
Hedeoma ↳ Key to Hedeoma | MOCK PENNYROYAL | |
Hedeoma drummondii | DRUMMOND'S FALSE PENNYROYAL | Native |
Hedeoma nana subsp. californica | CALIFORNIA MOCK PENNYROYAL | Native |
Hedeoma nanum subsp. californicum (Under Hedeoma nana subsp. californica) | | Orthographic variant |
Hedera ↳ Key to Hedera | IVY | |
Hedera canariensis | CANARY ISLANDS IVY | Naturalized |
Hedera helix | ENGLISH IVY | Naturalized |
Hedera helix subsp. canariensis (Under Hedera canariensis) | | Synonym |
Hedera helix subsp. helix (Under Hedera helix) | | Synonym |
Hedychium | GINGER-LILY | |
Hedychium flavescens | YELLOW GINGER | Waif |
Hedypnois | | |
Hedypnois cretica (Under Hedypnois rhagadioloides) | | Synonym |
Hedypnois rhagadioloides | CRETE WEED | Naturalized |
Heleniastrum autumnale (Under Helenium autumnale) | | Synonym |
Heleniastrum bigelovii (Under Helenium bigelovii) | | Synonym |
Heleniastrum bolanderi (Under Helenium bolanderi) | | Synonym |
Heleniastrum occidentale (Under Helenium bigelovii) | | Synonym |
Heleniastrum puberulum (Under Helenium puberulum) | | Synonym |
Heleniastrum rivulare (Under Helenium bigelovii) | | Synonym |
Helenium ↳ Key to Helenium | SNEEZEWEED | |
Helenium altissimum (Under Helenium autumnale) | | Synonym |
Helenium amarum var. amarum | | Naturalized |
Helenium autumnale | | Native |
Helenium autumnale var. canaliculatum (Under Helenium autumnale) | | Synonym |
Helenium autumnale var. fylesii (Under Helenium autumnale) | | Synonym |
Helenium autumnale var. grandiflorum (Under Helenium autumnale) | | Synonym |
Helenium autumnale var. montanum (Under Helenium autumnale) | | Synonym |
Helenium autumnale var. parviflorum (Under Helenium autumnale) | | Synonym |
Helenium bigelovii | | Native |
Helenium bigelovii var. festivum (Under Helenium bolanderi) | | Synonym |
Helenium bolanderi | | Native |
Helenium californicum (Under Helenium puberulum) | | Synonym |
Helenium canaliculatum (Under Helenium autumnale) | | Synonym |
Helenium decurrens (Under Helenium puberulum) | | Synonym |
Helenium edwardsianum (Under Helenium autumnale) | | Synonym |
Helenium grandiflorum (Under Helenium autumnale) | | Synonym |
Helenium hoopesii (Under Hymenoxys hoopesii) | | Synonym |
Helenium huronense (Under Helenium autumnale) | | Synonym |
Helenium latifolium (Under Helenium autumnale) | | Synonym |
Helenium macranthum (Under Helenium autumnale) | | Synonym |
Helenium montanum (Under Helenium autumnale) | | Synonym |
Helenium parviflorum (Under Helenium autumnale) | | Synonym |
Helenium puberulum | | Native |
Helenium pubescens (Under Helenium puberulum) | | Synonym |
Helenium rivulare (Under Helenium bigelovii) | | Synonym |
Helenium rosilla (Under Helenium puberulum) | | Synonym |
Helenium tenuifolium (Under Helenium amarum var. amarum) | | Synonym |
Heleochloa schoenoides (Under Crypsis schoenoides) | | Synonym |
Helianthella ↳ Key to Helianthella | | |
Helianthella californica | | Native |
Helianthella californica subsp. californica (Under Helianthella californica var. californica) | | Synonym |
Helianthella californica subsp. nevadensis (Under Helianthella californica var. nevadensis) | | Synonym |
Helianthella californica subsp. shastensis (Under Helianthella californica var. shastensis) | | Synonym |
Helianthella californica var. californica | | Native |
Helianthella californica var. nevadensis | | Native |
Helianthella californica var. shastensis | | Native |
Helianthella castanea | DIABLO HELIANTHELLA | Native |
Helianthemum aldersonii (Under Crocanthemum aldersonii) | | Synonym |
Helianthemum greenei (Under Crocanthemum greenei) | | Synonym |
Helianthemum guttatum (Under Tuberaria guttata) | | Synonym |
Helianthemum scoparium (Under Crocanthemum aldersonii) | | Synonym, in part |
Helianthemum scoparium (Under Crocanthemum scoparium) | | Synonym, in part |
Helianthemum scoparium (Under Crocanthemum scoparium var. scoparium) | | Synonym, in part |
Helianthemum scoparium (Under Crocanthemum scoparium var. vulgare) | | Synonym, in part |
Helianthemum scoparium (Under Crocanthemum suffrutescens) | | Synonym, in part |
Helianthemum scoparium var. aldersonii (Under Crocanthemum aldersonii) | | Synonym |
Helianthemum scoparium var. scoparium (Under Crocanthemum scoparium var. scoparium) | | Synonym |
Helianthemum scoparium var. vulgare (Under Crocanthemum scoparium var. vulgare) | | Synonym |
Helianthemum suffrutescens (Under Crocanthemum suffrutescens) | | Synonym |
Helianthus ↳ Key to Helianthus | SUNFLOWER | |
Helianthus annuus | | Native |
Helianthus annuus subsp. jaegeri (Under Helianthus annuus) | | Synonym |
Helianthus annuus subsp. lenticularis (Under Helianthus annuus) | | Synonym |
Helianthus annuus var. macrocarpus (Under Helianthus annuus) | | Synonym |
Helianthus bolanderi | BOLANDER'S SUNFLOWER | Native |
Helianthus californicus | CALIFORNIA SUNFLOWER | Native |
Helianthus ciliaris | BLUEWEED | Naturalized |
Helianthus cusickii | CUSICK'S SUNFLOWER | Native |
Helianthus exilis (Under Helianthus bolanderi) | | Synonym |
Helianthus gracilentus | SLENDER SUNFLOWER | Native |
Helianthus inexpectatus | NEWHALL SUNFLOWER | Native |
Helianthus niveus subsp. canescens (Under Helianthus petiolaris subsp. canescens) | | Synonym |
Helianthus niveus subsp. tephrodes | ALGODONES DUNES SUNFLOWER | Native |
Helianthus nuttallii | | Native |
Helianthus nuttallii subsp. nuttallii | NUTTALL'S SUNFLOWER | Native |
Helianthus nuttallii subsp. parishii | LOS ANGELES SUNFLOWER | Native |
Helianthus petiolaris | PRAIRIE SUNFLOWER | Native |
Helianthus petiolaris subsp. canescens | | Native |
Helianthus petiolaris subsp. petiolaris | | Naturalized |
Helianthus winteri | | Native |
Helichrysum | | |
Helichrysum orbiculare (Under Plecostachys serpyllifolia) | | Synonym |
Helichrysum petiolare | LICORICE PLANT | Naturalized |
Helichrysum serpyllifolium (Under Plecostachys serpyllifolia) | | Synonym |
Heliomeris | GOLDEN-EYE | |
Heliomeris multiflora var. nevadensis | NEVADA GOLDENEYE | Native |
Heliotropiaceae | HELIOTROPE FAMILY | |
Heliotropium ↳ Key to Heliotropium | HELIOTROPE | |
Heliotropium amplexicaule | FRAGRANT HELIOTROPE | Naturalized |
Heliotropium californicum (Under Heliotropium convolvulaceum var. californicum) | | Synonym |
Heliotropium convolvulaceum var. californicum | MORNING-GLORY HELIOTROPE | Native |
Heliotropium curassavicum var. oculatum | SEASIDE HELIOTROPE, ALKALI HELIOTROPE | Native |
Heliotropium europaeum | EUROPEAN HELIOTROPE | Naturalized |
Heliotropium oculatum (Under Heliotropium curassavicum var. oculatum) | | Synonym |
Heliotropium spathulatum subsp. oculatum (Under Heliotropium curassavicum var. oculatum) | | Synonym |
Helminthotheca | OX-TONGUE | |
Helminthotheca echioides | BRISTLY OX-TONGUE | Naturalized |
Helxine soleirolii (Under Soleirolia soleirolii) | | Synonym |
Hemicarpha micrantha (Under Lipocarpha micrantha) | | Synonym |
Hemicarpha micrantha var. aristulata (Under Lipocarpha aristulata) | | Synonym |
Hemicarpha micrantha var. minor (Under Lipocarpha micrantha) | | Synonym |
Hemicarpha occidentalis (Under Lipocarpha occidentalis) | | Synonym |
Hemieva | | |
Hemieva ranunculifolia | | Native |
Hemitomes | GNOME PLANT | |
Hemitomes congestum | | Native |
Hemizonella | MINIATURE TARWEED | |
Hemizonella minima | | Native |
Hemizonia | HAYFIELD TARWEED | |
Hemizonia angustifolia (Under Deinandra corymbosa) | | Synonym |
Hemizonia arida (Under Deinandra arida) | | Synonym |
Hemizonia calyculata (Under Hemizonia congesta subsp. calyculata) | | Synonym |
Hemizonia clementina (Under Deinandra clementina) | | Synonym |
Hemizonia clevelandii (Under Hemizonia congesta subsp. clevelandii) | | Synonym |
Hemizonia congesta ↳ Key to Hemizonia congesta | | Native |
Hemizonia congesta subsp. calyculata | MENDOCINO TARPLANT | Native |
Hemizonia congesta subsp. clevelandii | | Native |
Hemizonia congesta subsp. congesta | CONGESTED-HEADED HAYFIELD TARPLANT | Native |
Hemizonia congesta subsp. congesta (Under Hemizonia congesta subsp. lutescens) | | Misapplied name |
Hemizonia congesta subsp. leucocephala (Under Hemizonia congesta subsp. congesta) | | Synonym |
Hemizonia congesta subsp. lutescens | | Native |
Hemizonia congesta subsp. luzulifolia | | Native |
Hemizonia congesta subsp. tracyi | TRACY'S TARPLANT | Native |
Hemizonia congesta subsp. vernalis (Under Hemizonia congesta subsp. congesta) | | Synonym |
Hemizonia conjugens (Under Deinandra conjugens) | | Synonym |
Hemizonia corymbosa (Under Deinandra corymbosa) | | Synonym |
Hemizonia corymbosa subsp. macrocephala (Under Deinandra corymbosa) | | Synonym |
Hemizonia fasciculata (Under Deinandra fasciculata) | | Synonym |
Hemizonia fitchii (Under Centromadia fitchii) | | Synonym |
Hemizonia floribunda (Under Deinandra floribunda) | | Synonym |
Hemizonia halliana (Under Deinandra halliana) | | Synonym |
Hemizonia increscens subsp. foliosa (Under Deinandra paniculata) | | Synonym |
Hemizonia increscens subsp. increscens (Under Deinandra increscens subsp. increscens) | | Synonym |
Hemizonia increscens subsp. villosa (Under Deinandra increscens subsp. villosa) | | Synonym |
Hemizonia kelloggii (Under Deinandra kelloggii) | | Synonym |
Hemizonia lobbii (Under Deinandra lobbii) | | Synonym |
Hemizonia lutescens (Under Hemizonia congesta subsp. lutescens) | | Synonym |
Hemizonia luzulifolia (Under Hemizonia congesta subsp. luzulifolia) | | Synonym |
Hemizonia luzulifolia subsp. luzulifolia (Under Hemizonia congesta subsp. luzulifolia) | | Synonym |
Hemizonia luzulifolia subsp. rudis (Under Hemizonia congesta subsp. luzulifolia) | | Synonym |
Hemizonia minthornii (Under Deinandra minthornii) | | Synonym |
Hemizonia mohavensis (Under Deinandra mohavensis) | | Synonym |
Hemizonia oppositifolia (Under Calycadenia oppositifolia) | | Synonym |
Hemizonia pallida (Under Deinandra pallida) | | Synonym |
Hemizonia paniculata (Under Deinandra paniculata) | | Synonym |
Hemizonia parryi (Under Centromadia parryi) | | Synonym |
Hemizonia parryi subsp. australis (Under Centromadia parryi subsp. australis) | | Synonym |
Hemizonia parryi subsp. congdonii (Under Centromadia parryi subsp. congdonii) | | Synonym |
Hemizonia parryi subsp. parryi (Under Centromadia parryi subsp. parryi) | | Synonym |
Hemizonia parryi subsp. rudis (Under Centromadia parryi subsp. rudis) | | Synonym |
Hemizonia pentactis (Under Deinandra pentactis) | | Synonym |
Hemizonia pungens (Under Centromadia pungens) | | Synonym |
Hemizonia pungens subsp. laevis (Under Centromadia pungens subsp. laevis) | | Synonym |
Hemizonia pungens subsp. maritima (Under Centromadia pungens subsp. pungens) | | Synonym |
Hemizonia pungens subsp. septentrionalis (Under Centromadia pungens subsp. pungens) | | Synonym |
Heracleum | HOGWEED | |
Heracleum lanatum (Under Heracleum maximum) | | Synonym |
Heracleum maximum | COW PARSNIP, GIANT HOGWEED | Native |
Herissantia | BLADDER MALLOW | |
Herissantia crispa | CURLY HERISSANTIA | Native |
Hermidium alipes (Under Mirabilis alipes) | | Synonym |
Herniaria | RUPTUREWORT | |
Herniaria cinerea (Under Herniaria hirsuta var. cinerea) | | Synonym |
Herniaria hirsuta ↳ Key to Herniaria hirsuta | | Naturalized |
Herniaria hirsuta subsp. cinerea (Under Herniaria hirsuta var. cinerea) | | Synonym |
Herniaria hirsuta subsp. hirsuta (Under Herniaria hirsuta var. hirsuta) | | Synonym |
Herniaria hirsuta var. cinerea | | Naturalized |
Herniaria hirsuta var. hirsuta | | Naturalized |
Herpestris pilosa (Under Mimetanthe pilosa) | | Synonym |
Hesperevax ↳ Key to Hesperevax | | |
Hesperevax acaulis | DWARF EVAX | Native |
Hesperevax acaulis var. acaulis | STEMLESS EVAX | Native |
Hesperevax acaulis var. ambusticola | FIRE EVAX | Native |
Hesperevax acaulis var. robustior | | Native |
Hesperevax caulescens | HOGWALLOW STARFISH | Native |
Hesperevax sparsiflora | ERECT EVAX | Native |
Hesperevax sparsiflora var. brevifolia | SHORTLEAVED EVAX | Native |
Hesperevax sparsiflora var. sparsiflora | | Native |
Hesperidanthus | | |
Hesperidanthus jaegeri | | Native |
Hesperis | ROCKET | |
Hesperis matronalis | DAME'S ROCKET | Naturalized |
Hesperocallis | DESERT LILY | |
Hesperocallis undulata | | Native |
Hesperochiron ↳ Key to Hesperochiron | | |
Hesperochiron californicus (Under Hesperochiron nanus) | | Synonym |
Hesperochiron californicus subvar. lasianthus (Under Hesperochiron nanus) | | Synonym |
Hesperochiron californicus subvar. leporinus (Under Hesperochiron nanus) | | Synonym |
Hesperochiron californicus var. benthamianus (Under Hesperochiron nanus) | | Synonym |
Hesperochiron californicus var. incanus (Under Hesperochiron nanus) | | Synonym |
Hesperochiron californicus var. latifolius (Under Hesperochiron nanus) | | Synonym |
Hesperochiron californicus var. strigosus (Under Hesperochiron nanus) | | Synonym |
Hesperochiron californicus var. watsonianus (Under Hesperochiron nanus) | | Synonym |
Hesperochiron campanulatus (Under Hesperochiron pumilus) | | Synonym |
Hesperochiron ciliatus (Under Hesperochiron pumilus) | | Synonym |
Hesperochiron latifolius (Under Hesperochiron nanus) | | Synonym |
Hesperochiron nanus | CALIFORNIA HESPEROCHIRON | Native |
Hesperochiron pumilus | | Native |
Hesperochiron pumilus f. fulcratus (Under Hesperochiron pumilus) | | Synonym |
Hesperochiron pumilus f. hirtellus (Under Hesperochiron pumilus) | | Synonym |
Hesperochiron pumilus f. nervosus (Under Hesperochiron pumilus) | | Synonym |
Hesperochiron pumilus f. villosulus (Under Hesperochiron pumilus) | | Synonym |
Hesperochiron pumilus var. ciliatus (Under Hesperochiron pumilus) | | Synonym |
Hesperochiron pumilus var. vestitus (Under Hesperochiron pumilus) | | Synonym |
Hesperochloa kingii (Under Festuca kingii) | | Synonym |
Hesperocnide | WESTERN NETTLE | |
Hesperocnide tenella | | Native |
Hesperocyparis ↳ Key to Hesperocyparis | WESTERN CYPRESS | |
Hesperocyparis abramsiana | SANTA CRUZ CYPRESS | Native |
Hesperocyparis abramsiana var. abramsiana | | Native |
Hesperocyparis abramsiana var. butanoensis | | Native |
Hesperocyparis bakeri | BAKER CYPRESS, SISKIYOU CYPRESS | Native |
Hesperocyparis forbesii | TECATE CYPRESS | Native |
Hesperocyparis goveniana | GOWEN CYPRESS | Native |
Hesperocyparis macnabiana | MCNAB CYPRESS | Native |
Hesperocyparis macrocarpa | MONTEREY CYPRESS | Native |
Hesperocyparis nevadensis | PIUTE CYPRESS | Native |
Hesperocyparis pigmaea | PYGMY CYPRESS | Native |
Hesperocyparis revealiana (Under Hesperocyparis stephensonii) | | Synonym |
Hesperocyparis sargentii | SARGENT CYPRESS | Native |
Hesperocyparis stephensonii | CUYAMACA CYPRESS | Native |
Hesperolinon ↳ Key to Hesperolinon | WESTERN FLAX | |
Hesperolinon adenophyllum | GLANDULAR WESTERN FLAX | Native |
Hesperolinon bicarpellatum | TWO-CARPELLATE WESTERN FLAX | Native |
Hesperolinon breweri | BREWER'S WESTERN FLAX | Native |
Hesperolinon californicum | | Native |
Hesperolinon clevelandii | | Native |
Hesperolinon congestum | MARIN WESTERN FLAX | Native |
Hesperolinon didymocarpum | LAKE COUNTY WESTERN FLAX | Native |
Hesperolinon disjunctum | | Native |
Hesperolinon drymarioides | DRYMARIA-LIKE WESTERN FLAX | Native |
Hesperolinon micranthum | | Native |
Hesperolinon spergulinum | | Native |
Hesperolinon tehamense | TEHAMA COUNTY WESTERN FLAX | Native |
Hesperomecon | | |
Hesperomecon filiformis (Under Hesperomecon linearis) | | Synonym |
Hesperomecon linearis | | Native |
Hesperoscordum aridum (Under Triteleia hyacinthina) | | Illegitimate name |
Hesperoscordum hyacinthinum (Under Triteleia hyacinthina) | | Synonym |
Hesperoscordum lacteum (Under Triteleia hyacinthina) | | Synonym |
Hesperoscordum lewisii (Under Triteleia hyacinthina) | | Synonym |
Hesperoscordum lilacinum (Under Triteleia lilacina) | | Synonym |
Hesperoscordum maritimum (Under Muilla maritima) | | Synonym |
Hesperostipa comata (Under Stipa comata) | | Synonym |
Hesperostipa comata subsp. comata (Under Stipa comata var. comata) | | Synonym |
Hesperostipa comata subsp. intermedia (Under Stipa comata var. intermedia) | | Synonym |
Hesperoyucca | QUIXOTE PLANT, CHAPARRAL YUCCA | |
Hesperoyucca whipplei | | Native |
Hesperoyucca whipplei var. graminifolia (Under Hesperoyucca whipplei) | | Synonym |
Heteranthemis | | |
Heteranthemis viscidehirta (Under Heteranthemis viscidihirta) | | Orthographic variant |
Heteranthemis viscidihirta | | Naturalized |
Heteranthera ↳ Key to Heteranthera | MUD PLANTAIN | |
Heteranthera dubia | WATER STAR-GRASS | Native |
Heteranthera limosa | | Naturalized |
Heterocodon | | |
Heterocodon rariflorum | | Native |
Heterodraba unilateralis (Under Athysanus unilateralis) | | Synonym |
Heterogaura heterandra (Under Clarkia heterandra) | | Synonym |
Heteromeles | CHRISTMAS BERRY, TOYON | |
Heteromeles arbutifolia | | Native |
Heteromeles arbutifolia var. arbutifolia (Under Heteromeles arbutifolia) | | Synonym |
Heteromeles arbutifolia var. cerina (Under Heteromeles arbutifolia) | | Synonym |
Heteromeles arbutifolia var. macrocarpa (Under Heteromeles arbutifolia) | | Synonym |
Heteromeles salicifolia (Under Heteromeles arbutifolia) | | Synonym |
Heteropogon | | |
Heteropogon contortus | TANGLEHEAD | Naturalized |
Heterotheca ↳ Key to Heterotheca | GOLDENASTER, TELEGRAPH WEED | |
Heterotheca echioides var. bolanderi (Under Heterotheca sessiliflora subsp. bolanderi) | | Synonym |
Heterotheca grandiflora | TELEGRAPH WEED | Native |
Heterotheca monarchensis | MONARCH GOLDENASTER | Native |
Heterotheca oregona | RAYLESS GOLDENASTER | Native |
Heterotheca oregona var. compacta | | Native |
Heterotheca oregona var. oregona | | Native |
Heterotheca oregona var. rudis | | Native |
Heterotheca oregona var. scaberrima | | Native |
Heterotheca psammophila (Under Heterotheca subaxillaris subsp. latifolia) | | Synonym |
Heterotheca sessiliflora | SESSILEFLOWER GOLDENASTER | Native |
Heterotheca sessiliflora subsp. bolanderi | | Native |
Heterotheca sessiliflora subsp. echioides | | Native |
Heterotheca sessiliflora subsp. fastigiata | | Native |
Heterotheca sessiliflora subsp. sessiliflora | BEACH GOLDENASTER | Native |
Heterotheca sessiliflora var. echioides (Under Heterotheca sessiliflora subsp. echioides) | | Synonym |
Heterotheca sessiliflora var. fastigiata (Under Heterotheca sessiliflora subsp. fastigiata) | | Synonym |
Heterotheca sessiliflora var. sessiliflora (Under Heterotheca sessiliflora subsp. sessiliflora) | | Synonym |
Heterotheca shevockii | SHEVOCK'S GOLDENASTER | Native |
Heterotheca subaxillaris subsp. latifolia | CAMPHOR-WEED | Native |
Heterotheca villosa | HAIRY GOLDENASTER | Native |
Heterotheca villosa var. hispida (Under Heterotheca villosa var. minor) | | Synonym |
Heterotheca villosa var. minor | | Native |
Heterotheca villosa var. scabra | | Native |
Heterotheca villosa var. shevockii (Under Heterotheca shevockii) | | Synonym |
Heterotheca villosa var. villosa (Under Heterotheca villosa var. minor) | | Misapplied name |
Heuchera ↳ Key to Heuchera | ALUMROOT | |
Heuchera abramsii | ABRAMS' ALUMROOT | Native |
Heuchera brevistaminea | LAGUNA MOUNTAINS ALUMROOT | Native |
Heuchera caespitosa | | Native |
Heuchera cespitosa (Under Heuchera caespitosa) | | Orthographic variant |
Heuchera cylindrica | | Native |
Heuchera cylindrica var. alpina (Under Heuchera cylindrica) | | Synonym |
Heuchera duranii (Under Heuchera parvifolia) | | Synonym |
Heuchera elegans (Under Heuchera caespitosa) | | Synonym |
Heuchera hirsutissima | SHAGGY-HAIRED ALUMROOT | Native |
Heuchera maxima | ISLAND ALUMROOT | Native |
Heuchera merriamii | | Native |
Heuchera micrantha | | Native |
Heuchera micrantha var. diversifolia (Under Heuchera micrantha) | | Synonym |
Heuchera micrantha var. erubescens (Under Heuchera micrantha) | | Synonym |
Heuchera micrantha var. hartwegii (Under Heuchera micrantha) | | Synonym |
Heuchera micrantha var. macropetala (Under Heuchera micrantha) | | Synonym |
Heuchera parishii | PARISH'S ALUMROOT | Native |
Heuchera parvifolia | | Native |
Heuchera pilosissima | | Native |
Heuchera rubescens | | Native |
Heuchera rubescens var. abramsii (Under Heuchera abramsii) | | Synonym |
Heuchera rubescens var. alpicola (Under Heuchera rubescens) | | Synonym |
Heuchera rubescens var. glandulosa (Under Heuchera rubescens) | | Synonym |
Heuchera rubescens var. parishii (Under Heuchera parishii) | | Synonym |
Heuchera rubescens var. rydbergiana (Under Heuchera rubescens) | | Synonym |
Heuchera rubescens var. versicolor (Under Heuchera rubescens) | | Synonym |
Hibiscus ↳ Key to Hibiscus | HIBISCUS | |
Hibiscus californicus (Under Hibiscus lasiocarpos var. occidentalis) | | Synonym |
Hibiscus denudatus | PALE FACE | Native |
Hibiscus denundatus var. involucellatus (Under Hibiscus denudatus) | | Synonym |
Hibiscus lasiocarpos var. californicus (Under Hibiscus lasiocarpos var. occidentalis) | | Synonym |
Hibiscus lasiocarpos var. occidentalis | WOOLLY ROSE-MALLOW | Native |
Hibiscus lasiocarpus (Under Hibiscus lasiocarpos var. occidentalis) | | Orthographic variant |
Hibiscus moscheutos var. occidentalis (Under Hibiscus lasiocarpos var. occidentalis) | | Synonym |
Hibiscus trionum | FLOWER-OF-AN-HOUR | Naturalized |
Hieracium ↳ Key to Hieracium | HAWKWEED | |
Hieracium albertinum (Under Hieracium scouleri) | | Synonym |
Hieracium albiflorum | WHITE HAWKWEED | Native |
Hieracium argutum | SOUTHERN HAWKWEED | Native |
Hieracium argutum var. parishii (Under Hieracium argutum) | | Synonym |
Hieracium aurantiacum | ORANGE HAWKWEED | Waif |
Hieracium bolanderi | BOLANDER'S HAWKWEED | Native |
Hieracium gracile (Under Hieracium triste) | | Synonym |
Hieracium greenei | GREENE'S HAWKWEED | Native |
Hieracium horridum | PRICKLY HAWKWEED | Native |
Hieracium nudicaule | NAKED-STEMMED HAWKWEED | Native |
Hieracium parryi | PARRY'S HAWKWEED | Native |
Hieracium scouleri | WESTERN HAWKWEED | Native |
Hieracium scouleri var. albertinum (Under Hieracium scouleri) | | Synonym |
Hieracium scouleri var. griseum (Under Hieracium scouleri) | | Synonym |
Hieracium triste | SLENDER HAWKWEED | Native |
Hierochloe hirta (Under Anthoxanthum nitens subsp. nitens) | | Synonym |
Hierochloe occidentalis (Under Anthoxanthum occidentale) | | Synonym |
Hierochloe odorata (Under Anthoxanthum nitens subsp. nitens) | | Synonym |
Hilaria ↳ Key to Hilaria | | |
Hilaria jamesii | GALLETA | Native |
Hilaria rigida | BIG GALLETA | Native |
Hippuris | MARE'S-TAIL | |
Hippuris vulgaris | | Native |
Hirschfeldia | PERENNIAL, SHORTPOD, or SUMMER MUSTARD | |
Hirschfeldia incana | | Naturalized |
Hoffmannseggia ↳ Key to Hoffmannseggia | | |
Hoffmannseggia densiflora (Under Hoffmannseggia glauca) | | Synonym |
Hoffmannseggia glauca | PIG-NUT, HOG POTATO | Native |
Hoffmannseggia microphylla | | Native |
Hofmeisteria pluriseta (Under Pleurocoronis pluriseta) | | Synonym |
Hoita ↳ Key to Hoita | LEATHER ROOT | |
Hoita hallii (Under Rupertia hallii) | | Synonym |
Hoita macrostachya | | Native |
Hoita orbicularis | | Native |
Hoita rigida (Under Rupertia rigida) | | Synonym |
Hoita strobilina | LOMA PRIETA HOITA | Native |
Holacantha emoryi (Under Castela emoryi) | | Synonym |
Holcus ↳ Key to Holcus | VELVET GRASS | |
Holcus lanatus | COMMON VELVET GRASS | Naturalized |
Holcus mollis | CREEPING VELVET GRASS | Naturalized |
Hollisteria | | |
Hollisteria lanata | FALSE SPIKEFLOWER | Native |
Holmgrenanthe | | |
Holmgrenanthe petrophila | ROCK LADY | Native |
Holmgrenia andina (Under Neoholmgrenia andina) | | Synonym |
Holocarpha ↳ Key to Holocarpha | TARWEED, TARPLANT | |
Holocarpha heermannii | | Native |
Holocarpha macradenia | SANTA CRUZ TARPLANT | Native |
Holocarpha obconica | | Native |
Holocarpha obconica subsp. autumnalis (Under Holocarpha obconica) | | Synonym |
Holocarpha virgata | | Native |
Holocarpha virgata subsp. elongata | GRACEFUL TARPLANT | Native |
Holocarpha virgata subsp. virgata | | Native |
Holodiscus | | |
Holodiscus discolor ↳ Key to Holodiscus discolor | OCEANSPRAY | Native |
Holodiscus discolor var. cedrorum | | Native |
Holodiscus discolor var. discolor | | Native |
Holodiscus discolor var. glabrescens | | Native |
Holodiscus discolor var. microphyllus | | Native |
Holodiscus dumosus var. cedrorum (Under Holodiscus discolor var. cedrorum) | | Synonym |
Holodiscus microphyllus (Under Holodiscus discolor var. microphyllus) | | Synonym |
Holodiscus microphyllus var. glabrescens (Under Holodiscus discolor var. glabrescens) | | Synonym |
Holodiscus microphyllus var. microphyllus (Under Holodiscus discolor var. microphyllus) | | Synonym |
Holodiscus saxicola (Under Holodiscus discolor) | | Synonym |
Holosteum | JAGGED CHICKWEED | |
Holosteum umbellatum subsp. umbellatum | | Naturalized |
Holozonia | | |
Holozonia filipes | WHITECROWN | Native |
Hookera bicolor (Under Triteleia grandiflora) | | Synonym |
Hookera bridgesii (Under Triteleia bridgesii) | | Synonym |
Hookera californica (Under Brodiaea californica) | | Synonym |
Hookera capitata (Under Dipterostemon capitatus) | | Synonym |
Hookera congesta (Under Dichelostemma congestum) | | Synonym |
Hookera crocea (Under Triteleia crocea) | | Synonym |
Hookera douglasii (Under Triteleia grandiflora) | | Synonym |
Hookera filifolia (Under Brodiaea filifolia) | | Synonym |
Hookera gracilis (Under Triteleia montana) | | Synonym |
Hookera grandiflora (Under Triteleia grandiflora) | | Synonym |
Hookera howellii (Under Triteleia grandiflora) | | Synonym |
Hookera hyacinthina (Under Triteleia hyacinthina) | | Synonym |
Hookera hyacinthina var. lactea (Under Triteleia hyacinthina) | | Synonym |
Hookera ixioides var. lugens (Under Triteleia lugens) | | Synonym |
Hookera laxa (Under Triteleia laxa) | | Synonym |
Hookera leptandra (Under Brodiaea leptandra) | | Synonym |
Hookera macropoda (Under Brodiaea terrestris subsp. terrestris) | | Synonym |
Hookera minor (Under Brodiaea minor) | | Synonym |
Hookera multiflora (Under Dichelostemma multiflorum) | | Synonym |
Hookera multipedunculata (Under Brodiaea orcuttii) | | Synonym |
Hookera orcuttii (Under Brodiaea orcuttii) | | Synonym |
Hookera parviflora (Under Dichelostemma multiflorum) | | Synonym |
Hookera pauciflora (Under Dipterostemon capitatus subsp. pauciflorus) | | Synonym |
Hookera peduncularis (Under Triteleia peduncularis) | | Synonym |
Hookera purdyi (Under Brodiaea minor) | | Synonym |
Hookera rosea (Under Brodiaea rosea subsp. rosea) | | Synonym |
Hookera stellaris (Under Brodiaea stellaris) | | Synonym |
Hookera synandra (Under Brodiaea leptandra) | | Synonym |
Hookera volubilis (Under Dichelostemma volubile) | | Synonym |
Hooveria ↳ Key to Hooveria | AMOLE | |
Hooveria parviflora | | Native |
Hooveria purpurea | | Native |
Hooveria purpurea var. purpurea | SANTA LUCIA PURPLE AMOLE | Native |
Hooveria purpurea var. reducta | CAMATTA CANYON AMOLE | Native |
Hordeum ↳ Key to Hordeum | BARLEY | |
Hordeum arizonicum | ARIZONA BARLEY | Native |
Hordeum brachyantherum | | Native |
Hordeum brachyantherum subsp. brachyantherum | NORTHERN BARLEY | Native |
Hordeum brachyantherum subsp. californicum | CALIFORNIA BARLEY | Native |
Hordeum californicum (Under Hordeum brachyantherum subsp. californicum) | | Synonym |
Hordeum depressum | LOW BARLEY, ALKALI BARLEY | Native |
Hordeum geniculatum (Under Hordeum marinum subsp. gussoneanum) | | Synonym |
Hordeum glaucum (Under Hordeum murinum subsp. glaucum) | | Synonym |
Hordeum hystrix (Under Hordeum marinum subsp. gussoneanum) | | Synonym |
Hordeum intercedens | BOBTAIL BARLEY | Native |
Hordeum jubatum subsp. jubatum | FOXTAIL BARLEY, SQUIRRELTAIL BARLEY | Native |
Hordeum jubatum var. caespitosum (Under Hordeum jubatum subsp. jubatum) | | Synonym |
Hordeum leporinum (Under Hordeum murinum subsp. leporinum) | | Synonym |
Hordeum marinum subsp. gussoneanum | MEDITERRANEAN BARLEY | Naturalized |
Hordeum murinum | WALL BARLEY | Naturalized |
Hordeum murinum subsp. glaucum | SMOOTH BARLEY | Naturalized |
Hordeum murinum subsp. leporinum | HARE BARLEY | Naturalized |
Hordeum murinum subsp. murinum | | Naturalized |
Hordeum pusillum (Under Hordeum intercedens) | | Synonym, in part |
Hordeum stebbinsii (Under Hordeum murinum subsp. glaucum) | | Synonym |
Hordeum vulgare | BARLEY | Waif |
Hordeum vulgare var. trifurcatum (Under Hordeum vulgare) | | Synonym |
Hordeum vulgare var. vulgare (Under Hordeum vulgare) | | Synonym |
Horkelia ↳ Key to Horkelia | | |
Horkelia bolanderi | BOLANDER'S HORKELIA | Native |
Horkelia bolanderi subsp. clevelandii (Under Horkelia clevelandii var. clevelandii) | | Synonym |
Horkelia bolanderi subsp. parryi (Under Horkelia rydbergii) | | Synonym |
Horkelia californica | | Native |
Horkelia californica subsp. californica (Under Horkelia californica var. californica) | | Synonym |
Horkelia californica subsp. dissita (Under Horkelia californica var. elata) | | Synonym |
Horkelia californica subsp. frondosa (Under Horkelia californica var. frondosa) | | Synonym |
Horkelia californica var. californica | | Native |
Horkelia californica var. elata | | Native |
Horkelia californica var. frondosa | | Native |
Horkelia chaetophora (Under Ivesia pygmaea) | | Synonym |
Horkelia chandleri (Under Ivesia muirii) | | Synonym |
Horkelia clevelandii var. clevelandii | | Native |
Horkelia congesta subsp. nemorosa (Under Horkelia congesta var. nemorosa) | | Synonym |
Horkelia congesta var. nemorosa | JOSEPHINE HORKELIA | Native |
Horkelia cuneata | | Native |
Horkelia cuneata subsp. cuneata (Under Horkelia cuneata var. cuneata) | | Synonym |
Horkelia cuneata subsp. puberula (Under Horkelia cuneata var. puberula) | | Synonym |
Horkelia cuneata subsp. sericea (Under Horkelia cuneata var. sericea) | | Synonym |
Horkelia cuneata var. cuneata | | Native |
Horkelia cuneata var. puberula | MESA HORKELIA | Native |
Horkelia cuneata var. sericea | KELLOGG'S HORKELIA | Native |
Horkelia daucifolia | | Native |
Horkelia daucifolia subsp. daucifolia (Under Horkelia daucifolia var. daucifolia) | | Synonym |
Horkelia daucifolia subsp. latior (Under Horkelia daucifolia var. daucifolia) | | Synonym |
Horkelia daucifolia var. daucifolia | | Native |
Horkelia daucifolia var. indicta | JEPSON'S HORKELIA | Native |
Horkelia elata (Under Horkelia californica var. elata) | | Synonym |
Horkelia flavescens (Under Horkelia tridentata var. flavescens) | | Synonym |
Horkelia frondosa (Under Horkelia californica var. frondosa) | | Synonym |
Horkelia fusca | | Native |
Horkelia fusca subsp. capitata (Under Horkelia fusca var. pseudocapitata) | | Misapplied name |
Horkelia fusca subsp. parviflora (Under Horkelia fusca var. parviflora) | | Synonym |
Horkelia fusca subsp. pseudocapitata (Under Horkelia fusca var. brownii) | | Misapplied name |
Horkelia fusca subsp. pseudocapitata (Under Horkelia fusca var. pseudocapitata) | | Synonym |
Horkelia fusca subsp. tenella (Under Horkelia fusca var. tenella) | | Synonym |
Horkelia fusca var. brownii | | Native |
Horkelia fusca var. parviflora | | Native |
Horkelia fusca var. pseudocapitata | | Native |
Horkelia fusca var. tenella | | Native |
Horkelia glandulosa (Under Horkelia californica var. elata) | | Synonym |
Horkelia hendersonii | HENDERSON'S HORKELIA | Native |
Horkelia hispidula | WHITE MOUNTAINS HORKELIA | Native |
Horkelia howellii | HOWELL'S HORKELIA | Native |
Horkelia marinensis | POINT REYES HORKELIA | Native |
Horkelia mollis (Under Ivesia campestris) | | Synonym |
Horkelia parryi | PARRY'S HORKELIA | Native |
Horkelia rydbergii | | Native |
Horkelia scandularis (Under Ivesia lycopodioides var. scandularis) | | Synonym |
Horkelia sericata | SILKY HORKELIA | Native |
Horkelia tenuiloba | THIN-LOBED HORKELIA | Native |
Horkelia tridentata | | Native |
Horkelia tridentata subsp. flavescens (Under Horkelia tridentata var. flavescens) | | Synonym |
Horkelia tridentata subsp. tridentata (Under Horkelia tridentata var. tridentata) | | Synonym |
Horkelia tridentata var. flavescens | | Native |
Horkelia tridentata var. tridentata | | Native |
Horkelia truncata | RAMONA HORKELIA | Native |
Horkelia tularensis | KERN PLATEAU HORKELIA | Native |
Horkelia wilderae | BARTON FLATS HORKELIA | Native |
Horkelia yadonii | SANTA LUCIA HORKELIA | Native |
Horkeliella ↳ Key to Horkeliella | | |
Horkeliella congdonis | | Native |
Horkeliella purpurascens | | Native |
Hornungia | | |
Hornungia procumbens | | Naturalized |
Horsfordia ↳ Key to Horsfordia | | |
Horsfordia alata | PINK VELVET-MALLOW | Native |
Horsfordia newberryi | NEWBERRY'S VELVET-MALLOW | Native |
Hosackia ↳ Key to Hosackia | LOTUS | |
Hosackia bicolor (Under Hosackia pinnata) | | Synonym |
Hosackia crassifolia | | Native |
Hosackia crassifolia var. crassifolia | | Native |
Hosackia crassifolia var. otayensis | OTAY MOUNTAIN HOSACKIA | Native |
Hosackia cuprea (Under Hosackia oblongifolia var. cuprea) | | Synonym |
Hosackia gracilis | HARLEQUIN LOTUS | Native |
Hosackia incana | | Native |
Hosackia oblongifolia | | Native |
Hosackia oblongifolia var. cuprea | COPPER-FLOWERED BIRD'S-FOOT TREFOIL | Native |
Hosackia oblongifolia var. oblongifolia | | Native |
Hosackia pinnata | | Native |
Hosackia rosea | | Native |
Hosackia stipularis | | Native |
Hosackia stipularis var. ottleyi | | Native |
Hosackia stipularis var. stipularis | | Native |
Hosackia yollabolliensis | YOLLA BOLLY MOUNTAINS BIRD'S-FOOT TREFOIL | Native |
Howellanthus | | |
Howellanthus dalesianus | | Native |
Howellia | | |
Howellia aquatilis | WATER HOWELLIA | Native |
Howellia limosa (Under Legenere limosa) | | Synonym |
Hulsea ↳ Key to Hulsea | | |
Hulsea algida | | Native |
Hulsea brevifolia | SHORTLEAVED HULSEA | Native |
Hulsea californica | SAN DIEGO SUNFLOWER | Native |
Hulsea californica subsp. inyoensis (Under Hulsea vestita subsp. inyoensis) | | Synonym |
Hulsea heterochroma | | Native |
Hulsea mexicana | MEXICAN HULSEA | Native |
Hulsea nana | LITTLE HULSEA | Native |
Hulsea vestita | | Native |
Hulsea vestita subsp. callicarpha | BEAUTIFUL HULSEA | Native |
Hulsea vestita subsp. gabrielensis | SAN GABRIEL MOUNTAINS SUNFLOWER | Native |
Hulsea vestita subsp. inyoensis | INYO HULSEA | Native |
Hulsea vestita subsp. parryi | PARRY'S SUNFLOWER | Native |
Hulsea vestita subsp. pygmaea | PYGMY HULSEA | Native |
Hulsea vestita subsp. vestita | | Native |
Hulsea vestita var. callicarpha (Under Hulsea vestita subsp. callicarpha) | | Synonym |
Humulus | HOP | |
Humulus lupulus | EUROPEAN HOP | Naturalized |
Humulus lupulus var. lupulus (Under Humulus lupulus) | | Synonym |
Humulus lupulus var. neomexicanus (Under Humulus lupulus) | | Synonym |
Hutchinsia procumbens (Under Hornungia procumbens) | | Illegitimate name |
Hydastylus borealis (Under Sisyrinchium californicum) | | Synonym |
Hydastylus brachypus (Under Sisyrinchium californicum) | | Synonym |
Hydastylus longipes (Under Sisyrinchium longipes) | | Synonym |
Hydrangeaceae ↳ Key to Hydrangeaceae | HYDRANGEA FAMILY | |
Hydrilla | | |
Hydrilla verticillata | | Naturalized |
Hydrocharis spongia (Under Limnobium spongia) | | Synonym |
Hydrocharitaceae ↳ Key to Hydrocharitaceae | WATERWEED FAMILY | |
Hydrocotyle ↳ Key to Hydrocotyle | MARSH PENNYWORT | |
Hydrocotyle ranunculoides | | Native |
Hydrocotyle umbellata | | Native |
Hydrocotyle verticillata | | Native |
Hydrocotyle verticillata var. triradiata (Under Hydrocotyle verticillata) | | Synonym |
Hydrolea urens (Under Wigandia urens) | | Synonym |
Hydropeltis purpurea (Under Brasenia schreberi) | | Synonym |
Hydrophyllaceae ↳ Key to Hydrophyllaceae | WATERLEAF FAMILY | |
Hydrophyllum ↳ Key to Hydrophyllum | WATERLEAF | |
Hydrophyllum albifrons (Under Hydrophyllum fendleri var. albifrons) | | Synonym |
Hydrophyllum albifrons subvar. pendulum (Under Hydrophyllum fendleri var. albifrons) | | Synonym |
Hydrophyllum alpestre | ALPINE BREECHES, ALPINE WATERLEAF | Native |
Hydrophyllum alpinum (Under Hydrophyllum alpestre) | | Synonym |
Hydrophyllum capitatum var. alpinum (Under Hydrophyllum alpestre) | | Synonym |
Hydrophyllum coelestinum (Under Hydrophyllum tenuipes) | | Synonym |
Hydrophyllum congestum (Under Hydrophyllum fendleri var. albifrons) | | Synonym |
Hydrophyllum fendleri var. albifrons | WHITE WATERLEAF | Native |
Hydrophyllum lineare (Under Phacelia linearis) | | Synonym |
Hydrophyllum macrophyllum var. occidentale (Under Hydrophyllum occidentale) | | Synonym |
Hydrophyllum occidentale | WESTERN WATERLEAF | Native |
Hydrophyllum occidentale var. watsonii (Under Hydrophyllum occidentale) | | Synonym |
Hydrophyllum speciosum (Under Hydrophyllum occidentale) | | Synonym |
Hydrophyllum tenuipes | PACIFIC WATERLEAF | Native |
Hydrophyllum tenuipes var. viride (Under Hydrophyllum tenuipes) | | Synonym |
Hydrophyllum virginicum var. pacificum (Under Hydrophyllum tenuipes) | | Synonym |
Hydrophyllum viridulum (Under Hydrophyllum tenuipes) | | Synonym |
Hydrophyllum watsonii (Under Hydrophyllum occidentale) | | Synonym |
Hymenoclea monogyra (Under Ambrosia monogyra) | | Synonym |
Hymenoclea platyspina (Under Ambrosia ×platyspina) | | Synonym |
Hymenoclea salsola var. fasciculata (Under Ambrosia salsola var. salsola) | | Synonym |
Hymenoclea salsola var. patula (Under Ambrosia salsola var. salsola) | | Illegitimate name |
Hymenoclea salsola var. pentalepis (Under Ambrosia salsola var. pentalepis) | | Synonym |
Hymenoclea salsola var. salsola (Under Ambrosia salsola var. salsola) | | Synonym |
Hymenolobus procumbens (Under Hornungia procumbens) | | Synonym |
Hymenopappus | | |
Hymenopappus filifolius ↳ Key to Hymenopappus filifolius | | Native |
Hymenopappus filifolius var. eriopodus | HAIRY-PODDED FINE-LEAF HYMENOPAPPUS | Native |
Hymenopappus filifolius var. lugens | | Native |
Hymenopappus filifolius var. megacephalus | | Native |
Hymenopappus filifolius var. nanus | LITTLE CUTLEAF | Native |
Hymenothrix ↳ Key to Hymenothrix | | |
Hymenothrix dissecta | | Native |
Hymenothrix loomisii | | Waif |
Hymenothrix wrightii | WRIGHT'S HYMENOTHRIX | Native |
Hymenoxys ↳ Key to Hymenoxys | | |
Hymenoxys acaulis var. arizonica (Under Tetraneuris acaulis var. arizonica) | | Synonym |
Hymenoxys acaulis var. nana (Under Tetraneuris acaulis var. arizonica) | | Synonym |
Hymenoxys cooperi | | Native |
Hymenoxys cooperi var. canescens (Under Hymenoxys cooperi) | | Synonym |
Hymenoxys hoopesii | | Native |
Hymenoxys lemmonii | ALKALI HYMENOXYS | Native |
Hymenoxys odorata | BITTER HYMENOXYS | Native |
Hyparrhenia | | |
Hyparrhenia hirta | THATCHING GRASS | Naturalized |
Hypericaceae | ST. JOHN'S WORT FAMILY | |
Hypericum ↳ Key to Hypericum | | |
Hypericum anagalloides | TINKER'S PENNY | Native |
Hypericum androsaemum | | Waif |
Hypericum calycinum | AARON'S BEARD | Naturalized |
Hypericum canariense | | Naturalized |
Hypericum concinnum | GOLD-WIRE | Native |
Hypericum formosum var. scouleri (Under Hypericum scouleri) | | Synonym |
Hypericum hookerianum | | Waif |
Hypericum mutilum subsp. mutilum | | Naturalized |
Hypericum perforatum subsp. perforatum | KLAMATHWEED | Naturalized |
Hypericum scouleri | | Native |
Hypericum scouleri subsp. scouleri (Under Hypericum scouleri) | | Synonym |
Hypochaeris ↳ Key to Hypochaeris | CAT'S-EAR | |
Hypochaeris glabra | SMOOTH CAT'S-EAR | Naturalized |
Hypochaeris radicata | ROUGH CAT'S-EAR | Naturalized |
Hypopitys fimbriata (Under Monotropa hypopitys) | | Synonym |
Hypopitys lanuginosa (Under Monotropa hypopitys) | | Synonym |
Hypopitys monotropa (Under Monotropa hypopitys) | | Synonym |
Hyptis emoryi (Under Condea emoryi) | | Synonym |
Hystrix californica (Under Elymus californicus) | | Synonym |
Iberis | | |
Iberis umbellata | GLOBE CANDYTUFT | Waif |
Ibicella lutea (Under Proboscidea lutea) | | Synonym |
Idahoa | | |
Idahoa scapigera | | Native |
Ilex | HOLLY | |
Ilex aquifolium | ENGLISH HOLLY | Naturalized |
Iliamna ↳ Key to Iliamna | GLOBE MALLOW | |
Iliamna bakeri | BAKER'S GLOBE MALLOW | Native |
Iliamna latibracteata | CALIFORNIA GLOBE MALLOW | Native |
Iliamna rivularis | STREAMBANK WILD HOLLYHOCK | Native |
Impatiens ↳ Key to Impatiens | TOUCH-ME-NOT, JEWELWEED | |
Impatiens balfourii | KASHMIR BALSAM | Naturalized |
Impatiens capensis | SPOTTED JEWELWEED | Waif |
Impatiens glandulifera | POLICEMAN'S HELMET | Naturalized |
Impatiens noli-tangere (Under Impatiens capensis) | | Misapplied name |
Imperata | | |
Imperata brevifolia | CALIFORNIA SATINTAIL | Native |
Ionactis | ASTER | |
Ionactis alpina | LAVA-ASTER, CRAG-ASTER | Native |
Ipheion | STAR FLOWER | |
Ipheion uniflorum | | Naturalized |
Ipomoea ↳ Key to Ipomoea | MORNING-GLORY | |
Ipomoea acuminata (Under Ipomoea indica) | | Synonym |
Ipomoea cairica | | Waif |
Ipomoea hederacea | IVY MORNING-GLORY | Waif |
Ipomoea indica | | Urban weed |
Ipomoea palmata (Under Ipomoea cairica) | | Synonym |
Ipomoea purpurea | COMMON MORNING-GLORY | Waif |
Ipomoea triloba | | Agricultural weed |
Ipomopsis ↳ Key to Ipomopsis | SCARLET GILIA | |
Ipomopsis aggregata | | Native |
Ipomopsis aggregata subsp. aggregata | | Native |
Ipomopsis aggregata subsp. arizonica (Under Ipomopsis arizonica) | | Synonym |
Ipomopsis aggregata subsp. attenuata (Under Ipomopsis tenuituba) | | Misapplied name |
Ipomopsis aggregata subsp. bridgesii | | Native |
Ipomopsis aggregata subsp. formosissima (Under Ipomopsis aggregata subsp. aggregata) | | Misapplied name |
Ipomopsis arizonica | | Native |
Ipomopsis congesta | | Native |
Ipomopsis congesta subsp. congesta | | Native |
Ipomopsis congesta subsp. montana | | Native |
Ipomopsis congesta subsp. palmifrons (Under Ipomopsis congesta subsp. montana) | | Synonym |
Ipomopsis depressa (Under Loeseliastrum depressum) | | Synonym |
Ipomopsis effusa | BAJA CALIFORNIA IPOMOPSIS | Extirpated waif |
Ipomopsis polycladon | | Native |
Ipomopsis tenuifolia | SLENDER-LEAVED IPOMOPSIS | Native |
Ipomopsis tenuituba | | Native |
Iridaceae ↳ Key to Iridaceae | IRIS FAMILY | |
Iris ↳ Key to Iris | IRIS | |
Iris amabilis (Under Iris macrosiphon) | | Synonym |
Iris bracteata | SISKIYOU IRIS | Native |
Iris californica (Under Iris macrosiphon) | | Synonym |
Iris chrysophylla | YELLOW-FLOWERED IRIS | Native |
Iris douglasiana | | Native |
Iris douglasiana var. altissima (Under Iris douglasiana) | | Synonym |
Iris douglasiana var. major (Under Iris douglasiana) | | Synonym |
Iris douglasiana var. oregonensis (Under Iris douglasiana) | | Synonym |
Iris fernaldii | | Native |
Iris foetidissima | CORAL IRIS | Naturalized |
Iris germanica | | Naturalized |
Iris hartwegii | | Native |
Iris hartwegii subsp. australis | | Native |
Iris hartwegii subsp. columbiana | TUOLUMNE IRIS | Native |
Iris hartwegii subsp. hartwegii | | Native |
Iris hartwegii subsp. pinetorum | | Native |
Iris innominata | DEL NORTE COUNTY IRIS | Native |
Iris longipetala | COAST IRIS | Native |
Iris macrosiphon | | Native |
Iris missouriensis | WESTERN BLUE FLAG | Native |
Iris montana (Under Iris missouriensis) | | Synonym |
Iris munzii | MUNZ'S IRIS | Native |
Iris pseudacorus | | Naturalized |
Iris purdyi | | Native |
Iris tenax subsp. klamathensis | ORLEANS IRIS | Native |
Iris tenuissima | | Native |
Iris tenuissima subsp. purdyiformis | | Native |
Iris tenuissima subsp. tenuissima | | Native |
Iris thompsonii | | Native |
Isatis | | |
Isatis tinctoria | WOAD | Naturalized |
Isocoma ↳ Key to Isocoma | GOLDENBUSH | |
Isocoma acradenia | ALKALI GOLDENBUSH | Native |
Isocoma acradenia var. acradenia | | Native |
Isocoma acradenia var. bracteosa | | Native |
Isocoma acradenia var. eremophila | | Native |
Isocoma arguta | CARQUINEZ GOLDENBUSH | Native |
Isocoma menziesii | COASTAL GOLDENBUSH | Native |
Isocoma menziesii subsp. oxyphylla (Under Isocoma menziesii var. menziesii) | | Synonym |
Isocoma menziesii var. decumbens | DECUMBENT GOLDENBUSH | Native |
Isocoma menziesii var. diabolica | SATAN'S GOLDENBUSH | Native |
Isocoma menziesii var. menziesii | | Native |
Isocoma menziesii var. sedoides | | Native |
Isocoma menziesii var. vernonioides | | Native |
Isoetaceae | QUILLWORT FAMILY | |
Isoetes ↳ Key to Isoetes | QUILLWORT | |
Isoetes bolanderi | | Native |
Isoetes bolanderi var. bolanderi (Under Isoetes bolanderi) | | Synonym |
Isoetes bolanderi var. pygmaea (Under Isoetes bolanderi) | | Synonym |
Isoetes braunii (Under Isoetes echinospora) | | Synonym |
Isoetes echinospora | | Native |
Isoetes howellii | | Native |
Isoetes lacustris var. paupercula (Under Isoetes occidentalis) | | Synonym |
Isoetes muricata (Under Isoetes echinospora) | | Synonym |
Isoetes nuttallii | | Native |
Isoetes occidentalis | | Native |
Isoetes orcuttii | | Native |
Isolepis ↳ Key to Isolepis | | |
Isolepis carinata | | Native |
Isolepis cernua | | Native |
Isolepis koilolepis (Under Isolepis carinata) | | Synonym |
Isolepis levynsiana | | Naturalized |
Isolepis setacea | | Naturalized |
Isolepis tenella (Under Isolepis levynsiana) | | Illegitimate name |
Isomeris arborea (Under Cleomella arborea) | | Synonym |
Isomeris arborea var. angustata (Under Cleomella arborea var. angustata) | | Synonym |
Isomeris arborea var. arborea (Under Cleomella arborea var. arborea) | | Synonym |
Isomeris arborea var. globosa (Under Cleomella arborea var. globosa) | | Synonym |
Isomeris arborea var. insularis (Under Cleomella arborea var. globosa) | | Synonym |
Isopyrum occidentale (Under Enemion occidentale) | | Synonym |
Isopyrum stipitatum (Under Enemion stipitatum) | | Synonym |
Isotrema californicum (Under Aristolochia californica) | | Synonym |
Iva ↳ Key to Iva | MARSH-ELDER | |
Iva acerosa (Under Euphrosyne acerosa) | | Synonym |
Iva axillaris | POVERTY WEED | Native |
Iva axillaris subsp. robustior (Under Iva axillaris) | | Synonym |
Iva axillaris var. robustior (Under Iva axillaris) | | Synonym |
Iva hayesiana | SAN DIEGO MARSH-ELDER | Native |
Iva nevadensis (Under Euphrosyne nevadensis) | | Synonym |
Ivesia ↳ Key to Ivesia | | |
Ivesia aperta | | Native |
Ivesia aperta var. aperta | SIERRA VALLEY IVESIA | Native |
Ivesia aperta var. canina | DOG VALLEY IVESIA | Native |
Ivesia argyrocoma var. argyrocoma | SILVER-HAIRED IVESIA | Native |
Ivesia arizonica var. arizonica | YELLOW PURPUSIA | Native |
Ivesia baileyi | | Native |
Ivesia baileyi var. baileyi | BAILEY'S IVESIA | Native |
Ivesia baileyi var. beneolens | OWYHEE IVESIA | Native |
Ivesia callida | TAHQUITZ IVESIA | Native |
Ivesia campestris | FIELD IVESIA | Native |
Ivesia gordonii | | Native |
Ivesia gordonii var. alpicola | | Native |
Ivesia gordonii var. ursinorum | | Native |
Ivesia jaegeri | JAEGER'S IVESIA | Native |
Ivesia kingii var. kingii | ALKALI IVESIA | Native |
Ivesia longibracteata | CASTLE CRAGS IVESIA | Native |
Ivesia lycopodioides | CLUB-MOSS IVESIA | Native |
Ivesia lycopodioides subsp. lycopodioides (Under Ivesia lycopodioides var. lycopodioides) | | Synonym |
Ivesia lycopodioides subsp. megalopetala (Under Ivesia lycopodioides var. megalopetala) | | Synonym |
Ivesia lycopodioides subsp. scandularis (Under Ivesia lycopodioides var. scandularis) | | Synonym |
Ivesia lycopodioides var. lycopodioides | | Native |
Ivesia lycopodioides var. megalopetala | | Native |
Ivesia lycopodioides var. scandularis | | Native |
Ivesia muirii | | Native |
Ivesia paniculata | ASH CREEK IVESIA | Native |
Ivesia patellifera | KINGSTON MOUNTAINS IVESIA | Native |
Ivesia pickeringii | PICKERING'S IVESIA | Native |
Ivesia purpurascens subsp. congdonis (Under Horkeliella congdonis) | | Synonym |
Ivesia purpurascens subsp. purpurascens (Under Horkeliella purpurascens) | | Synonym |
Ivesia pygmaea | | Native |
Ivesia santolinoides | MOUSETAIL IVESIA | Native |
Ivesia saxosa | | Native |
Ivesia sericoleuca | PLUMAS IVESIA | Native |
Ivesia shockleyi var. shockleyi | | Native |
Ivesia unguiculata | YOSEMITE IVESIA | Native |
Ivesia webberi | WEBBER'S IVESIA | Native |
Ixia | | |
Ixia maculata | AFRICAN CORNLILY | Waif |
Jacaranda | JACARANDA | |
Jacaranda mimosifolia | BLUE JACARANDA | Urban weed |
Jacobaea vulgaris (Under Senecio jacobaea) | | Synonym |
Jamesia | CLIFFBUSH | |
Jamesia americana subsp. californica (Under Jamesia americana var. rosea) | | Synonym |
Jamesia americana var. californica (Under Jamesia americana var. rosea) | | Synonym |
Jamesia americana var. rosea | ROSY-PETALLED CLIFFBUSH | Native |
Jamesia californica (Under Jamesia americana var. rosea) | | Synonym |
Jarava speciosa (Under Stipa speciosa) | | Synonym |
Jaumea | | |
Jaumea carnosa | | Native |
Jensia ↳ Key to Jensia | TARWEED, TARPLANT | |
Jensia rammii | | Native |
Jensia yosemitana | YOSEMITE TARPLANT | Native |
Jepsonia ↳ Key to Jepsonia | | |
Jepsonia heterandra | FOOTHILL JEPSONIA | Native |
Jepsonia malvifolia | ISLAND JEPSONIA | Native |
Jepsonia parryi | | Native |
Jepsonia parryi var. heterandra (Under Jepsonia heterandra) | | Synonym |
Johanneshowellia | | |
Johanneshowellia puberula | DOWNY BUCKWHEAT | Native |
Johnstonella ↳ Key to Johnstonella | | |
Johnstonella angelica | ANGELIC JOHNSTONELLA | Native |
Johnstonella angustifolia | NARROW-LEAVED JOHNSTONELLA | Native |
Johnstonella costata | RIBBED JOHNSTONELLA | Native |
Johnstonella holoptera | WINGED JOHNSTONELLA | Native |
Johnstonella inaequata | PANAMINT JOHNSTONELLA | Native |
Johnstonella micromeres (Under Cryptantha micromeres) | | Synonym |
Johnstonella racemosa | SHRUBBY JOHNSTONELLA | Native |
Juglandaceae ↳ Key to Juglandaceae | WALNUT FAMILY | |
Juglans ↳ Key to Juglans | WALNUT | |
Juglans californica | SOUTHERN CALIFORNIA BLACK WALNUT | Native |
Juglans californica var. californica (Under Juglans californica) | | Synonym |
Juglans californica var. hindsii (Under Juglans hindsii) | | Synonym |
Juglans hindsii | NORTHERN CALIFORNIA BLACK WALNUT | Native |
Juglans regia | PERSIAN or ENGLISH WALNUT | Waif |
Juncaceae ↳ Key to Juncaceae | RUSH FAMILY | |
Juncaginaceae | ARROW-GRASS FAMILY | |
Juncoides comosa (Under Luzula comosa) | | Synonym |
Juncoides comosa var. macrantha (Under Luzula macrantha) | | Synonym |
Juncoides comosa var. subsessilis (Under Luzula subsessilis) | | Synonym |
Juncoides divaricata (Under Luzula divaricata) | | Synonym |
Juncoides parviflora (Under Luzula parviflora) | | Synonym |
Juncoides piperi (Under Luzula piperi) | | Synonym |
Juncoides spicata (Under Luzula spicata subsp. spicata) | | Synonym |
Juncoides subcongesta (Under Luzula subcongesta) | | Synonym |
Juncoides subsessilis (Under Luzula subsessilis) | | Synonym |
Juncus ↳ Key to Juncus | RUSH | |
Juncus acuminatus | TAPERED RUSH | Native |
Juncus acutus subsp. leopoldii | SOUTHWESTERN SPINY RUSH | Native |
Juncus acutus var. sphaerocarpus (Under Juncus acutus subsp. leopoldii) | | Synonym |
Juncus ambiguus | FROG RUSH | Naturalized |
Juncus anthelatus | KENTUCKY or POVERTY RUSH | Waif |
Juncus arcticus var. balticus (Under Juncus balticus subsp. ater) | | Synonym |
Juncus arcticus var. mexicanus (Under Juncus mexicanus) | | Synonym |
Juncus articulatus subsp. articulatus | JOINTED RUSH | Native |
Juncus balticus subsp. ater | BALTIC RUSH | Native |
Juncus balticus var. montanus (Under Juncus balticus subsp. ater) | | Synonym |
Juncus bolanderi | BOLANDER'S RUSH | Native |
Juncus breweri | SALT or BREWER'S RUSH | Native |
Juncus bryoides | MOSS RUSH | Native |
Juncus bufonius | TOAD RUSH | Native |
Juncus bufonius var. bufonius | | Native |
Juncus bufonius var. congdonii (Under Juncus bufonius var. bufonius) | | Synonym |
Juncus bufonius var. congestus | CLUSTERED TOAD RUSH | Naturalized |
Juncus bufonius var. halophilus (Under Juncus ambiguus) | | Synonym |
Juncus bufonius var. occidentalis | WESTERN TOAD RUSH | Native |
Juncus bulbosus | BULBOUS RUSH | Naturalized |
Juncus capillaris | HAIRSTEMMED RUSH | Native |
Juncus capitatus | DWARF RUSH | Naturalized |
Juncus chlorocephalus | GREENHEADED RUSH | Native |
Juncus confusus | COLORADO RUSH | Native |
Juncus cooperi | COOPER'S RUSH | Native |
Juncus covillei | COVILLE'S RUSH | Native |
Juncus covillei var. covillei (Under Juncus covillei) | | Synonym |
Juncus covillei var. obtusatus (Under Juncus covillei) | | Synonym |
Juncus cyperoides | BOLIVIAN RUSH | Naturalized |
Juncus dichotomus | DICHOTOMOUS RUSH | Naturalized |
Juncus diffusissimus | SLIM-POD RUSH | Naturalized |
Juncus digitatus | FINGER RUSH | Native |
Juncus drummondii | DRUMMOND'S RUSH | Native |
Juncus drummondii var. subtriflorus (Under Juncus drummondii) | | Synonym |
Juncus dubius | MARIPOSA RUSH | Native |
Juncus dudleyi | DUDLEY'S RUSH | Native |
Juncus duranii | DURAN'S RUSH | Native |
Juncus effusus | SOFT or LAMP RUSH | Native |
Juncus effusus subsp. austrocalifornicus | SONORAN or BAJA RUSH | Native |
Juncus effusus subsp. effusus | COMMON RUSH | Naturalized |
Juncus effusus subsp. pacificus | PACIFIC RUSH | Native |
Juncus effusus subsp. solutus | EASTERN SOFT RUSH | Naturalized |
Juncus effusus var. australis (Under Juncus effusus subsp. austrocalifornicus) | | Synonym ined. |
Juncus effusus var. brunneus (Under Juncus hesperius) | | Synonym |
Juncus effusus var. compactus (Under Juncus effusus subsp. effusus) | | Synonym |
Juncus effusus var. exiguus (Under Juncus exiguus) | | Synonym |
Juncus effusus var. gracilis (Under Juncus laccatus) | | Synonym |
Juncus effusus var. pacificus (Under Juncus effusus subsp. pacificus) | | Synonym |
Juncus effusus var. solutus (Under Juncus effusus subsp. solutus) | | Synonym |
Juncus elliottii | ELLIOTT'S RUSH | Naturalized |
Juncus ensifolius | DAGGER RUSH, SWORDLEAVED RUSH | Native |
Juncus ensifolius var. montanus (Under Juncus saximontanus) | | Synonym |
Juncus exiguus | KLAMATH or WEAK RUSH | Native |
Juncus falcatus | | Native |
Juncus falcatus subsp. falcatus | SICKLELEAVED RUSH | Native |
Juncus falcatus subsp. sitchensis | ALASKAN SICKLELEAVED RUSH | Native |
Juncus falcatus var. falcatus (Under Juncus falcatus subsp. falcatus) | | Synonym |
Juncus falcatus var. sitchensis (Under Juncus falcatus subsp. sitchensis) | | Synonym |
Juncus gerardi subsp. gerardi | MUD RUSH | Naturalized |
Juncus glabratus (Under Luzula piperi) | | Misapplied name |
Juncus hemiendytus | | Native |
Juncus hemiendytus var. abjectus | CENTER BASIN RUSH | Native |
Juncus hemiendytus var. hemiendytus | HERMANN'S DWARF RUSH | Native |
Juncus hesperius | COAST or BOG RUSH | Native |
Juncus howellii | HOWELL'S RUSH | Native |
Juncus interior | INLAND RUSH | Native |
Juncus interior var. arizonicus (Under Juncus interior) | | Synonym |
Juncus interior var. neomexicanus (Under Juncus interior) | | Synonym |
Juncus kelloggii | KELLOGG'S DWARF RUSH | Native |
Juncus laccatus | SHINY RUSH | Native |
Juncus leiospermus | | Native |
Juncus leiospermus var. ahartii | AHART'S DWARF RUSH | Native |
Juncus leiospermus var. leiospermus | RED BLUFF DWARF RUSH | Native |
Juncus lescurii | SAN FRANCISCO RUSH | Native |
Juncus lescurii var. tracyi (Under Juncus breweri) | | Synonym |
Juncus lesueurii (Under Juncus lescurii) | | Orthographic variant |
Juncus longistylis | LONG-STYLED RUSH | Native |
Juncus luciensis | SANTA LUCIA DWARF RUSH | Native |
Juncus macrandrus | LONG-ANTHERED RUSH | Native |
Juncus macrophyllus | LONG-LEAVED RUSH | Native |
Juncus marginatus | GRASSLEAVED or RED-ANTHERED RUSH | Naturalized |
Juncus marginatus var. marginatus (Under Juncus marginatus) | | Synonym |
Juncus megaspermus (Under Juncus triformis) | | Synonym |
Juncus melanocarpus (Under Luzula parviflora) | | Synonym |
Juncus mertensianus | MERTENS' RUSH | Native |
Juncus mertensianus subsp. gracilis (Under Juncus nevadensis var. nevadensis) | | Synonym |
Juncus mertensianus var. duranii (Under Juncus duranii) | | Synonym |
Juncus mexicanus | MEXICAN RUSH | Native |
Juncus nevadensis | | Native |
Juncus nevadensis var. inventus | DUNE RUSH | Native |
Juncus nevadensis var. nevadensis | NEVADA or SIERRAN RUSH | Native |
Juncus nodosus | KNOTTED RUSH | Native |
Juncus nodosus var. nodosus (Under Juncus nodosus) | | Synonym |
Juncus occidentalis | WESTERN RUSH | Native |
Juncus oreganus (Under Juncus supiniformis) | | Synonym |
Juncus orthophyllus | STRAIGHTLEAVED RUSH | Native |
Juncus oxymeris | POINTED RUSH | Native |
Juncus parryi | PARRY'S RUSH | Native |
Juncus parviflorus (Under Luzula parviflora) | | Synonym |
Juncus patens | SPREADING RUSH | Native |
Juncus phaeocephalus | | Native |
Juncus phaeocephalus var. gracilis (Under Juncus nevadensis var. nevadensis) | | Synonym |
Juncus phaeocephalus var. paniculatus | PANICLED RUSH | Native |
Juncus phaeocephalus var. phaeocephalus | BROWNHEADED RUSH | Native |
Juncus planifolius | NEW ZEALAND or FLAT-LEAVED RUSH | Naturalized |
Juncus ranarius (Under Juncus ambiguus) | | Synonym |
Juncus regelii | REGEL'S RUSH | Native |
Juncus rugulosus | WRINKLED RUSH | Native |
Juncus saximontanus | ROCKY MOUNTAIN RUSH | Native |
Juncus saximontanus f. brunnescens (Under Juncus saximontanus) | | Synonym |
Juncus spicatus (Under Luzula spicata subsp. spicata) | | Synonym |
Juncus supiniformis | HAIR-LEAVED RUSH | Native |
Juncus supinus (Under Juncus bulbosus) | | Synonym |
Juncus tenuis | POVERTY or SLENDER RUSH | Native |
Juncus tenuis var. congestus (Under Juncus occidentalis) | | Synonym |
Juncus tenuis var. dudleyi (Under Juncus dudleyi) | | Synonym |
Juncus tenuis var. occidentalis (Under Juncus occidentalis) | | Synonym |
Juncus textilis | MAT or BASKET RUSH | Native |
Juncus tiehmii | TIEHM'S RUSH | Native |
Juncus torreyi | TORREY'S RUSH | Native |
Juncus triformis | YOSEMITE DWARF RUSH | Native |
Juncus trilocularis | FOOTHILL RUSH | Native |
Juncus uncialis | INCH-HIGH RUSH | Native |
Juncus usitatus | AUSTRALIAN RUSH | Naturalized |
Juncus xiphioides | IRIS-LEAVED RUSH | Native |
Juniperus ↳ Key to Juniperus | JUNIPER | |
Juniperus californica | CALIFORNIA JUNIPER | Native |
Juniperus communis | COMMON JUNIPER | Native |
Juniperus communis var. depressa | DEPRESSED JUNIPER | Native |
Juniperus communis var. jackii | JACK'S JUNIPER | Native |
Juniperus communis var. montana (Under Juniperus communis var. jackii) | | Synonym, in part |
Juniperus communis var. montana (Under Juniperus communis var. saxatilis) | | Synonym, in part |
Juniperus communis var. saxatilis | MOUNTAIN JUNIPER | Native |
Juniperus grandis | SIERRA JUNIPER, GRAND JUNIPER | Native |
Juniperus occidentalis | WESTERN JUNIPER | Native |
Juniperus occidentalis var. australis (Under Juniperus grandis) | | Synonym |
Juniperus occidentalis var. occidentalis (Under Juniperus occidentalis) | | Synonym |
Juniperus osteosperma | UTAH JUNIPER | Native |
Jussiaea californica (Under Ludwigia peploides subsp. peploides) | | Synonym |
Jussiaea repens var. californica (Under Ludwigia peploides subsp. peploides) | | Synonym |
Jussiaea repens var. montevidensis (Under Ludwigia peploides subsp. montevidensis) | | Synonym |
Jussiaea repens var. peploides (Under Ludwigia peploides subsp. peploides) | | Synonym |
Jussiaea uruguayensis (Under Ludwigia grandiflora) | | Synonym, in part |
Jussiaea uruguayensis (Under Ludwigia hexapetala) | | Synonym, in part |
Justicia | | |
Justicia californica | BELOPERONE, CHUPAROSA | Native |
Kali australis (Under Salsola australis) | | Synonym |
Kali paulsenii (Under Salsola paulsenii) | | Synonym |
Kallstroemia ↳ Key to Kallstroemia | | |
Kallstroemia californica | | Native |
Kallstroemia grandiflora | | Waif |
Kallstroemia parviflora | | Native |
Kalmia | | |
Kalmia microphylla (Under Kalmia polifolia) | | Synonym |
Kalmia microphylla var. microphylla (Under Kalmia polifolia) | | Synonym |
Kalmia polifolia | SWAMP LAUREL, BOG LAUREL | Native |
Kalmia polifolia subsp. microphylla (Under Kalmia polifolia) | | Synonym |
Kalmia polifolia subsp. polifolia (Under Kalmia polifolia) | | Synonym |
Keckiella ↳ Key to Keckiella | BUSH PENSTEMON | |
Keckiella antirrhinoides | | Native |
Keckiella antirrhinoides subsp. antirrhinoides (Under Keckiella antirrhinoides var. antirrhinoides) | | Synonym |
Keckiella antirrhinoides subsp. microphylla (Under Keckiella antirrhinoides var. microphylla) | | Synonym |
Keckiella antirrhinoides var. antirrhinoides | | Native |
Keckiella antirrhinoides var. microphylla | | Native |
Keckiella breviflora | | Native |
Keckiella breviflora subsp. breviflora (Under Keckiella breviflora var. breviflora) | | Synonym |
Keckiella breviflora subsp. glabrisepala (Under Keckiella breviflora var. glabrisepala) | | Synonym |
Keckiella breviflora var. breviflora | | Native |
Keckiella breviflora var. glabrisepala | | Native |
Keckiella cordifolia | | Native |
Keckiella corymbosa | | Native |
Keckiella lemmonii | | Native |
Keckiella rothrockii | | Native |
Keckiella rothrockii subsp. jacintensis (Under Keckiella rothrockii var. jacintensis) | | Synonym |
Keckiella rothrockii subsp. rothrockii (Under Keckiella rothrockii var. rothrockii) | | Synonym |
Keckiella rothrockii var. jacintensis | | Native |
Keckiella rothrockii var. rothrockii | | Native |
Keckiella ternata | | Native |
Keckiella ternata subsp. septentrionalis (Under Keckiella ternata var. septentrionalis) | | Synonym |
Keckiella ternata subsp. ternata (Under Keckiella ternata var. ternata) | | Synonym |
Keckiella ternata var. septentrionalis | | Native |
Keckiella ternata var. ternata | | Native |
Kelloggia | | |
Kelloggia galioides | | Native |
Kickxia ↳ Key to Kickxia | | |
Kickxia elatine | | Naturalized |
Kickxia spuria | | Naturalized |
Kniphofia | RED-HOT POKER | |
Kniphofia uvaria | | Naturalized |
Kobresia | | |
Kobresia bellardii (Under Kobresia myosuroides) | | Synonym |
Kobresia myosuroides | SEEP KOBRESIA | Native |
Kochia americana (Under Neokochia americana) | | Synonym |
Kochia americana var. californica (Under Neokochia californica) | | Synonym |
Kochia americana var. vestita (Under Neokochia americana) | | Synonym |
Kochia californica (Under Neokochia californica) | | Synonym |
Kochia iranica (Under Bassia scoparia) | | Unabridged misapplied name |
Kochia scoparia f. trichophylla (Under Bassia scoparia) | | Synonym |
Kochia scoparia subsp. culta (Under Bassia scoparia) | | Synonym |
Kochia scoparia subsp. scoparia (Under Bassia scoparia) | | Synonym |
Kochia scoparia var. subvillosa (Under Bassia scoparia) | | Synonym |
Kochia trichophylla (Under Bassia scoparia) | | Synonym |
Kochia vestita (Under Neokochia americana) | | Synonym |
Koeberlinia | ALL THORN | |
Koeberlinia spinosa subsp. tenuispina (Under Koeberlinia spinosa var. tenuispina) | | Synonym |
Koeberlinia spinosa var. tenuispina | SLENDER-SPINED ALL THORN | Native |
Koeberliniaceae | JUNCO FAMILY | |
Koeleria ↳ Key to Koeleria | | |
Koeleria cristata (Under Koeleria macrantha) | | Synonym, in part |
Koeleria cristata var. longifolia (Under Koeleria macrantha) | | Synonym |
Koeleria gerardi | ANNUAL JUNE GRASS, BRISTLY KOELERIA | Naturalized |
Koeleria gracilis (Under Koeleria macrantha) | | Illegitimate name |
Koeleria macrantha | JUNE GRASS | Native |
Koeleria nitida (Under Koeleria macrantha) | | Synonym |
Koeleria phleoides (Under Koeleria gerardi) | | Illegitimate name |
Koeleria pyramidata (Under Koeleria macrantha) | | Misapplied name |
Kohlrauschia velutina (Under Petrorhagia dubia) | | Synonym |
Kopsiopsis ↳ Key to Kopsiopsis | GROUND-CONE | |
Kopsiopsis hookeri | SMALL GROUND-CONE | Native |
Kopsiopsis strobilacea | CALIFORNIA GROUND-CONE | Native |
Krameria ↳ Key to Krameria | RHATANY | |
Krameria bicolor | WHITE RHATANY | Native |
Krameria canescens (Under Krameria bicolor) | | Illegitimate name |
Krameria erecta | PIMA RHATANY, PURPLE HEATHER, LITTLE-LEAVED RHATANY | Native |
Krameria glandulosa (Under Krameria erecta) | | Synonym |
Krameria grayi (Under Krameria bicolor) | | Synonym |
Krameria parvifolia (Under Krameria erecta) | | Synonym |
Krameria parvifolia var. imparata (Under Krameria erecta) | | Synonym |
Krameriaceae | RHATANY FAMILY | |
Krascheninnikovia | | |
Krascheninnikovia lanata | WINTER FAT | Native |
Kumlienia hystricula (Under Ranunculus hystriculus) | | Synonym |
Kyhosia | | |
Kyhosia bolanderi | | Native |
Kyllinga | | |
Kyllinga brevifolia | | Naturalized |
Lachnagrostis filiformis (Under Agrostis avenacea) | | Synonym |
Lactuca ↳ Key to Lactuca | LETTUCE | |
Lactuca biennis | | Native |
Lactuca canadensis | | Naturalized |
Lactuca ludoviciana | | Naturalized |
Lactuca muralis (Under Mycelis muralis) | | Synonym |
Lactuca saligna | | Naturalized |
Lactuca serriola | PRICKLY LETTUCE | Naturalized |
Lactuca serriola var. integra (Under Lactuca serriola) | | Synonym |
Lactuca tatarica subsp. pulchella | | Native |
Lactuca tatarica var. pulchella (Under Lactuca tatarica subsp. pulchella) | | Synonym |
Lactuca virosa | | Naturalized |
Ladeania | | |
Ladeania lanceolata | | Native |
Laennecia | | |
Laennecia coulteri | COULTER'S HORSEWEED | Native |
Lagophylla ↳ Key to Lagophylla | HARE-LEAF | |
Lagophylla diabolensis | | Native |
Lagophylla dichotoma | | Native |
Lagophylla dichotoma subsp. minor (Under Lagophylla minor) | | Synonym |
Lagophylla glandulosa | | Native |
Lagophylla glandulosa subsp. serrata (Under Lagophylla glandulosa) | | Synonym |
Lagophylla minor | | Native |
Lagophylla ramosissima | | Native |
Lagophylla ramosissima subsp. congesta (Under Lagophylla ramosissima) | | Synonym |
Lagophylla ramosissima subsp. ramosissima (Under Lagophylla ramosissima) | | Synonym |
Lagunaria | | |
Lagunaria patersonia | NORFOLK ISLAND HIBISCUS, COW ITCH TREE | Naturalized |
Lagurus | HARE'S TAIL GRASS | |
Lagurus ovatus | | Naturalized |
Lamarckia | GOLDENTOP | |
Lamarckia aurea | | Naturalized |
Lamiaceae (Labiatae) ↳ Key to Lamiaceae (Labiatae) | MINT FAMILY | |
Lamiastrum | YELLOW ARCHANGEL | |
Lamiastrum galeobdolon | | Waif |
Lamium ↳ Key to Lamium | DEAD NETTLE | |
Lamium amplexicaule | HENBIT | Naturalized |
Lamium galeobdolon (Under Lamiastrum galeobdolon) | | Synonym |
Lamium purpureum | | Naturalized |
Landoltia | DOTTED DUCKMEAT | |
Landoltia punctata | | Native |
Langloisia | | |
Langloisia matthewsii (Under Loeseliastrum matthewsii) | | Synonym |
Langloisia punctata (Under Langloisia setosissima subsp. punctata) | | Synonym |
Langloisia schottii (Under Loeseliastrum schottii) | | Synonym |
Langloisia setosissima ↳ Key to Langloisia setosissima | | Native |
Langloisia setosissima subsp. punctata | LILAC SUNBONNET | Native |
Langloisia setosissima subsp. setosissima | BRISTLY LANGLOISIA | Native |
Lantana ↳ Key to Lantana | | |
Lantana camara | | Waif |
Lantana montevidensis | | Waif |
Laphamia ↳ Key to Laphamia | ROCK DAISY | |
Laphamia intricata | DESERT ROCK DAISY | Native |
Laphamia inyoensis | INYO ROCK DAISY | Native |
Laphamia megalocephala | | Native |
Laphamia megalocephala subsp. intricata (Under Laphamia intricata) | | Synonym |
Laphamia megalocephala var. megalocephala | NEVADA ROCK DAISY | Native |
Laphamia megalocephala var. oligophylla | SMALL-LEAVED ROCK DAISY | Native |
Laphamia villosa | HANAUPAH ROCK DAISY | Native |
Lappula ↳ Key to Lappula | | |
Lappula echinata (Under Lappula squarrosa) | | Synonym |
Lappula fremontii (Under Lappula squarrosa) | | Synonym |
Lappula occidentalis (Under Lappula redowskii) | | Synonym |
Lappula redowskii | | Native |
Lappula redowskii var. cupulata | CROWNED STICKSEED | Native |
Lappula redowskii var. desertorum (Under Lappula redowskii var. cupulata) | | Synonym |
Lappula redowskii var. redowskii | WESTERN STICKSEED | Native |
Lappula squarrosa | TWO-ROWED STICKSEED | Waif |
Lapsana | NIPPLEWORT | |
Lapsana communis | | Naturalized |
Larrea | CREOSOTE BUSH | |
Larrea divaricata subsp. tridentata (Under Larrea tridentata) | | Synonym |
Larrea tridentata | | Native |
Larrea tridentata var. arenaria (Under Larrea tridentata) | | Synonym |
Lasiospermum | COCOONHEAD | |
Lasiospermum bipinnatum | | Naturalized |
Lastarriaea | | |
Lastarriaea chilensis subsp. californica (Under Lastarriaea coriacea) | | Synonym |
Lastarriaea coriacea | LEATHER-SPINEFLOWER | Native |
Lasthenia ↳ Key to Lasthenia | GOLDFIELDS | |
Lasthenia burkei | BURKE'S GOLDFIELDS | Native |
Lasthenia californica | | Native |
Lasthenia californica subsp. bakeri | BAKER'S GOLDFIELDS | Native |
Lasthenia californica subsp. californica | CALIFORNIA GOLDFIELDS | Native |
Lasthenia californica subsp. macrantha | PERENNIAL GOLDFIELDS | Native |
Lasthenia chrysantha | ALKALI-SINK GOLDFIELDS | Native |
Lasthenia chrysostoma (Under Lasthenia californica subsp. californica) | | Synonym |
Lasthenia conjugens | CONTRA COSTA GOLDFIELDS | Native |
Lasthenia coronaria | CROWNED or ROYAL GOLDFIELDS | Native |
Lasthenia debilis | GREENE'S GOLDFIELDS | Native |
Lasthenia ferrisiae | FERRIS' GOLDFIELDS | Native |
Lasthenia fremontii | FREMONT'S GOLDFIELDS | Native |
Lasthenia glaberrima | SMOOTH GOLDFIELDS | Native |
Lasthenia glabrata | | Native |
Lasthenia glabrata subsp. coulteri | COULTER'S GOLDFIELDS | Native |
Lasthenia glabrata subsp. glabrata | YELLOW-RAY GOLDFIELDS | Native |
Lasthenia gracilis | COMMON GOLDFIELDS | Native |
Lasthenia hirsutula (Under Lasthenia californica subsp. californica) | | Synonym |
Lasthenia leptalea | SALINAS VALLEY GOLDFIELDS | Native |
Lasthenia macrantha (Under Lasthenia californica subsp. macrantha) | | Synonym |
Lasthenia macrantha subsp. bakeri (Under Lasthenia californica subsp. bakeri) | | Synonym |
Lasthenia maritima | MARITIME or SEASIDE GOLDFIELDS | Native |
Lasthenia microglossa | SMALL-RAY GOLDFIELDS | Native |
Lasthenia minor | COASTAL GOLDFIELDS | Native |
Lasthenia minor subsp. maritima (Under Lasthenia maritima) | | Synonym |
Lasthenia platycarpha | ALKALI GOLDFIELDS | Native |
Lastrea oregana (Under Amauropelta nevadensis) | | Synonym |
Lathrocasis | | |
Lathrocasis tenerrima | DELICATE GILIA | Native |
Lathyrus ↳ Key to Lathyrus | WILD PEA | |
Lathyrus alefeldii (Under Lathyrus vestitus var. alefeldii) | | Synonym |
Lathyrus angulatus | | Naturalized |
Lathyrus aphaca | | Waif |
Lathyrus biflorus | TWO-FLOWERED PEA | Native |
Lathyrus brownii | | Native |
Lathyrus cicera | | Naturalized |
Lathyrus delnorticus | DEL NORTE PEA | Native |
Lathyrus glandulosus | STICKY PEA | Native |
Lathyrus hirsutus | CALEY PEA | Naturalized |
Lathyrus hitchcockianus | BULLFROG MOUNTAIN PEA | Native |
Lathyrus japonicus | SEASIDE PEA | Native |
Lathyrus japonicus var. glaber (Under Lathyrus japonicus) | | Synonym |
Lathyrus japonicus var. maritimus (Under Lathyrus japonicus) | | Synonym |
Lathyrus jepsonii | | Native |
Lathyrus jepsonii var. californicus | | Native |
Lathyrus jepsonii var. jepsonii | DELTA TULE PEA | Native |
Lathyrus laetiflorus (Under Lathyrus vestitus var. vestitus) | | Synonym |
Lathyrus laetiflorus subsp. alefeldii (Under Lathyrus vestitus var. alefeldii) | | Synonym |
Lathyrus laetiflorus subsp. barbarae (Under Lathyrus vestitus var. vestitus) | | Synonym |
Lathyrus lanszwertii | | Native |
Lathyrus lanszwertii var. aridus | | Native |
Lathyrus lanszwertii var. brownii (Under Lathyrus brownii) | | Synonym |
Lathyrus lanszwertii var. lanszwertii | | Native |
Lathyrus lanszwertii var. tracyi | | Native |
Lathyrus latifolius | PERENNIAL SWEET PEA | Naturalized |
Lathyrus littoralis | | Native |
Lathyrus maritimus (Under Lathyrus japonicus) | | Synonym |
Lathyrus nevadensis subsp. lanceolatus (Under Lathyrus nevadensis var. nevadensis) | | Synonym |
Lathyrus nevadensis var. nevadensis | | Native |
Lathyrus nevadensis var. pilosellus (Under Lathyrus nevadensis var. nevadensis) | | Synonym |
Lathyrus odoratus | SWEET PEA | Naturalized |
Lathyrus palustris | MARSH PEA | Native |
Lathyrus pauciflorus subsp. brownii (Under Lathyrus brownii) | | Synonym |
Lathyrus pauciflorus var. brownii (Under Lathyrus brownii) | | Synonym |
Lathyrus polyphyllus | | Native |
Lathyrus rigidus | RIGID PEA | Native |
Lathyrus sphaericus | | Naturalized |
Lathyrus splendens | PRIDE-OF-CALIFORNIA | Native |
Lathyrus sulphureus | | Native |
Lathyrus sulphureus var. argillaceus (Under Lathyrus sulphureus) | | Synonym |
Lathyrus tingitanus | TANGIER PEA | Naturalized |
Lathyrus torreyi | | Native |
Lathyrus tracyi (Under Lathyrus lanszwertii var. tracyi) | | Synonym |
Lathyrus vestitus | | Native |
Lathyrus vestitus subsp. bolanderi (Under Lathyrus vestitus var. ochropetalus) | | Synonym, in part |
Lathyrus vestitus subsp. bolanderi (Under Lathyrus vestitus var. vestitus) | | Synonym, in part |
Lathyrus vestitus subsp. laetiflorus (Under Lathyrus vestitus var. vestitus) | | Synonym |
Lathyrus vestitus subsp. laevicarpus (Under Lathyrus vestitus var. vestitus) | | Synonym |
Lathyrus vestitus subsp. puberulus (Under Lathyrus vestitus var. vestitus) | | Synonym |
Lathyrus vestitus var. alefeldii | | Native |
Lathyrus vestitus var. ochropetalus | | Native |
Lathyrus vestitus var. vestitus | | Native |
Lauraceae ↳ Key to Lauraceae | LAUREL FAMILY | |
Laurus | LAUREL | |
Laurus nobilis | BAY LAUREL | Waif |
Lavatera ↳ Key to Lavatera | | |
Lavatera arborea (Under Malva arborea) | | Synonym |
Lavatera assurgentiflora (Under Malva assurgentiflora) | | Synonym |
Lavatera assurgentiflora subsp. assurgentiflora (Under Malva assurgentiflora) | | Synonym |
Lavatera assurgentiflora subsp. glabra (Under Malva assurgentiflora) | | Synonym |
Lavatera cretica (Under Malva multiflora) | | Synonym |
Lavatera olbia | TREE LAVATERA | Naturalized |
Lavatera trimestris | ANNUAL LAVATERA, ROSE MALLOW | Waif |
Laxmanniaceae | WIRE-LILY FAMILY | |
Layia ↳ Key to Layia | | |
Layia carnosa | BEACH LAYIA | Native |
Layia chrysanthemoides | | Native |
Layia chrysanthemoides subsp. maritima (Under Layia chrysanthemoides) | | Synonym |
Layia discoidea | RAYLESS LAYIA | Native |
Layia erubescens | | Native |
Layia fremontii | | Native |
Layia gaillardioides | | Native |
Layia glandulosa | WHITE LAYIA | Native |
Layia glandulosa subsp. lutea (Under Layia glandulosa) | | Synonym |
Layia heterotricha | PALE-YELLOW LAYIA | Native |
Layia hieracioides | | Native |
Layia jonesii | JONES' LAYIA | Native |
Layia leucopappa | COMANCHE POINT LAYIA | Native |
Layia munzii | MUNZ'S TIDY-TIPS | Native |
Layia paniculata (Under Layia hieracioides) | | Synonym |
Layia pentachaeta | | Native |
Layia pentachaeta subsp. albida | | Native |
Layia pentachaeta subsp. pentachaeta | | Native |
Layia platyglossa | TIDY-TIPS | Native |
Layia platyglossa subsp. campestris (Under Layia platyglossa) | | Synonym |
Layia septentrionalis | COLUSA LAYIA | Native |
Ledum glandulosum (Under Rhododendron columbianum) | | Synonym |
Leersia | CUTGRASS | |
Leersia oryzoides | RICE CUTGRASS | Native |
Legenere | | |
Legenere limosa | LEGENERE | Native |
Lembertia congdonii (Under Monolopia congdonii) | | Synonym |
Lemmonia californica (Under Nama californica) | | Synonym |
Lemna ↳ Key to Lemna | DUCKWEED | |
Lemna aequinoctialis | | Native |
Lemna cyclostasa (Under Lemna valdiviana) | | Synonym |
Lemna gibba | | Native |
Lemna minima (Under Lemna minuta) | | Illegitimate name |
Lemna minor | | Native |
Lemna minor var. minima (Under Lemna minor) | | Synonym |
Lemna minuscula (Under Lemna minuta) | | Synonym |
Lemna minuta | | Native |
Lemna paucicostata (Under Lemna aequinoctialis) | | Synonym |
Lemna trisulca | | Native |
Lemna turionifera | | Native |
Lemna valdiviana | | Native |
Lemna valdiviana var. abbreviata (Under Lemna valdiviana) | | Synonym |
Lemna valdiviana var. valdiviana (Under Lemna valdiviana) | | Synonym |
Lennoaceae | LENNOA FAMILY | |
Lens | | |
Lens culinaris | LENTIL | Agricultural, garden, or urban weed |
Lentibulariaceae ↳ Key to Lentibulariaceae | BLADDERWORT FAMILY | |
Leontodon | HAWKBIT | |
Leontodon leysseri (Under Leontodon saxatilis) | | Synonym |
Leontodon saxatilis ↳ Key to Leontodon saxatilis | HAIRY HAWKBIT | Naturalized |
Leontodon saxatilis subsp. longirostris | | Naturalized |
Leontodon saxatilis subsp. saxatilis | | Naturalized |
Leontodon taraxacoides (Under Leontodon saxatilis) | | Illegitimate name |
Leontodon taraxacoides (Under Leontodon saxatilis) | | Synonym |
Leontodon taraxacoides subsp. longirostris (Under Leontodon saxatilis subsp. longirostris) | | Illegitimate name |
Leontodon taraxacoides subsp. taraxacoides (Under Leontodon saxatilis subsp. saxatilis) | | Illegitimate name |
Lepechinia ↳ Key to Lepechinia | PITCHER SAGE | |
Lepechinia calycina | | Native |
Lepechinia cardiophylla | HEART-LEAVED PITCHER SAGE | Native |
Lepechinia fragrans | FRAGRANT PITCHER SAGE | Native |
Lepechinia ganderi | GANDER'S PITCHER SAGE | Native |
Lepechinia rossii | ROSS' PITCHER SAGE | Native |
Lepidium ↳ Key to Lepidium | PEPPERGRASS, PEPPERCRESS | |
Lepidium acutidens | | Native |
Lepidium appelianum | WHITE-TOP | Naturalized |
Lepidium campestre | | Naturalized |
Lepidium chalepense | LENS-PODDED HOARY CRESS | Naturalized |
Lepidium coronopus | SWINE CRESS | Naturalized |
Lepidium densiflorum | | Native |
Lepidium densiflorum var. bourgeauanum (Under Lepidium ramosissimum) | | Synonym |
Lepidium densiflorum var. elongatum (Under Lepidium densiflorum) | | Synonym |
Lepidium densiflorum var. macrocarpum (Under Lepidium densiflorum) | | Synonym |
Lepidium densiflorum var. pubicarpum (Under Lepidium densiflorum) | | Synonym |
Lepidium densiflorum var. ramosum (Under Lepidium densiflorum) | | Synonym |
Lepidium dictyotum | | Native |
Lepidium dictyotum var. acutidens (Under Lepidium acutidens) | | Synonym |
Lepidium didymum | LESSER SWINE CRESS | Naturalized |
Lepidium draba | HEART-PODDED HOARY CRESS | Naturalized |
Lepidium flavum | | Native |
Lepidium flavum var. felipense (Under Lepidium flavum) | | Synonym |
Lepidium fremontii | | Native |
Lepidium fremontii var. fremontii (Under Lepidium fremontii) | | Synonym |
Lepidium fremontii var. stipitatum (Under Lepidium fremontii) | | Synonym |
Lepidium heterophyllum | | Naturalized |
Lepidium jaredii | JARED'S PEPPERGRASS | Native |
Lepidium jaredii subsp. album (Under Lepidium jaredii) | | Synonym |
Lepidium lasiocarpum subsp. lasiocarpum | | Native |
Lepidium lasiocarpum var. lasiocarpum (Under Lepidium lasiocarpum subsp. lasiocarpum) | | Synonym |
Lepidium latifolium | PERENNIAL PEPPERWEED | Naturalized |
Lepidium latipes | | Native |
Lepidium latipes var. heckardii (Under Lepidium latipes) | | Synonym |
Lepidium latipes var. latipes (Under Lepidium latipes) | | Synonym |
Lepidium montanum | | Native |
Lepidium montanum subsp. canescens (Under Lepidium montanum) | | Synonym |
Lepidium montanum subsp. cinereum (Under Lepidium montanum) | | Synonym |
Lepidium montanum var. canescens (Under Lepidium montanum) | | Synonym |
Lepidium montanum var. cinereum (Under Lepidium montanum) | | Synonym |
Lepidium nitidum | | Native |
Lepidium nitidum var. howellii (Under Lepidium nitidum) | | Synonym |
Lepidium nitidum var. oreganum (Under Lepidium nitidum) | | Synonym |
Lepidium oblongum | | Native |
Lepidium oblongum var. insulare (Under Lepidium oblongum) | | Synonym |
Lepidium oblongum var. oblongum (Under Lepidium oblongum) | | Synonym |
Lepidium oxycarpum | | Native |
Lepidium oxycarpum var. acutidens (Under Lepidium acutidens) | | Synonym |
Lepidium perfoliatum | | Naturalized |
Lepidium pinnatifidum | | Naturalized |
Lepidium ramosissimum | | Native |
Lepidium ramosissimum var. bourgeauanum (Under Lepidium ramosissimum) | | Synonym |
Lepidium ruderale (Under Lepidium virginicum) | | Misapplied name |
Lepidium squamatum (Under Lepidium coronopus) | | Synonym |
Lepidium strictum | | Naturalized |
Lepidium thurberi | | Native |
Lepidium virginicum | | Native |
Lepidium virginicum subsp. menziesii | | Native |
Lepidium virginicum subsp. virginicum | | Native |
Lepidium virginicum var. medium (Under Lepidium virginicum subsp. menziesii) | | Synonym |
Lepidium virginicum var. menziesii (Under Lepidium virginicum subsp. menziesii) | | Synonym |
Lepidium virginicum var. pubescens (Under Lepidium virginicum subsp. menziesii) | | Synonym |
Lepidium virginicum var. robinsonii (Under Lepidium virginicum subsp. menziesii) | | Synonym |
Lepidospartum ↳ Key to Lepidospartum | SCALE-BROOM | |
Lepidospartum latisquamum | | Native |
Lepidospartum squamatum | | Native |
Leptochloa ↳ Key to Leptochloa | | |
Leptochloa dubia | GREEN SPRANGLETOP | Native |
Leptochloa fascicularis (Under Leptochloa fusca subsp. fascicularis) | | Synonym |
Leptochloa filiformis (Under Leptochloa panicea subsp. brachiata) | | Synonym |
Leptochloa fusca | SPRANGLETOP | Native |
Leptochloa fusca subsp. fascicularis | BEARDED SPRANGLETOP | Native |
Leptochloa fusca subsp. uninervia | MEXICAN SPRANGLETOP | Native |
Leptochloa mucronata (Under Leptochloa panicea subsp. brachiata) | | Synonym |
Leptochloa panicea subsp. brachiata | RED SPRANGLETOP | Native |
Leptochloa uninervia (Under Leptochloa fusca subsp. uninervia) | | Synonym |
Leptochloa viscida | STICKY SPRANGLETOP, SONORAN SPRANGLETOP | Native |
Leptodactylon californicum (Under Linanthus californicus) | | Synonym |
Leptodactylon californicum subsp. brevitrichomum (Under Linanthus californicus subsp. californicus) | | Synonym |
Leptodactylon californicum subsp. glandulosum (Under Linanthus californicus subsp. glandulosus) | | Synonym |
Leptodactylon californicum subsp. leptotrichomum (Under Linanthus californicus subsp. glandulosus) | | Synonym |
Leptodactylon californicum subsp. tomentosum (Under Linanthus californicus subsp. tomentosus) | | Synonym |
Leptodactylon jaegeri (Under Linanthus jaegeri) | | Synonym |
Leptodactylon pungens (Under Linanthus pungens) | | Synonym |
Leptosiphon ↳ Key to Leptosiphon | | |
Leptosiphon acicularis (Under Leptosiphon aureus) | | Synonym |
Leptosiphon ambiguus | SERPENTINE LEPTOSIPHON | Native |
Leptosiphon androsaceus | | Native |
Leptosiphon aureus | BRISTLY LEPTOSIPHON | Native |
Leptosiphon aureus (Nutt.) of various auth. non Benth. (Under Leptosiphon chrysanthus) | | Illegitimate name |
Leptosiphon aureus subsp. aureus (Under Leptosiphon chrysanthus subsp. chrysanthus) | | Synonym |
Leptosiphon aureus subsp. decorus (Under Leptosiphon chrysanthus subsp. decorus) | | Synonym |
Leptosiphon bicolor | | Native |
Leptosiphon bolanderi | | Native |
Leptosiphon breviculus | | Native |
Leptosiphon chrysanthus | | Native |
Leptosiphon chrysanthus subsp. chrysanthus | | Native |
Leptosiphon chrysanthus subsp. decorus | | Native |
Leptosiphon ciliatus | WHISKER BRUSH | Native |
Leptosiphon croceus | COAST YELLOW LEPTOSIPHON | Native |
Leptosiphon filipes | | Native |
Leptosiphon floribundus | | Native |
Leptosiphon floribundus subsp. floribundus | | Native |
Leptosiphon floribundus subsp. glaber | | Native |
Leptosiphon floribundus subsp. hallii | SANTA ROSA MOUNTAINS LEPTOSIPHON | Native |
Leptosiphon grandiflorus | LARGE-FLOWERED LEPTOSIPHON | Native |
Leptosiphon harknessii | | Native |
Leptosiphon jepsonii | JEPSON'S LEPTOSIPHON | Native |
Leptosiphon laetus (Under Leptosiphon parviflorus) | | Synonym |
Leptosiphon latisectus | BROAD-LOBED LEPTOSIPHON | Native |
Leptosiphon lemmonii | | Native |
Leptosiphon liniflorus | | Native |
Leptosiphon luteolus (Under Leptosiphon parviflorus) | | Synonym |
Leptosiphon luteus (Under Leptosiphon parviflorus) | | Synonym |
Leptosiphon micranthus (Under Leptosiphon parviflorus) | | Synonym |
Leptosiphon minimus | | Native |
Leptosiphon montanus | MUSTANG CLOVER | Native |
Leptosiphon nudatus | | Native |
Leptosiphon nuttallii | | Native |
Leptosiphon nuttallii subsp. howellii | MOUNT TEDOC LEPTOSIPHON | Native |
Leptosiphon nuttallii subsp. nuttallii | | Native |
Leptosiphon nuttallii subsp. pubescens | | Native |
Leptosiphon oblanceolatus | SIERRA NEVADA LEPTOSIPHON | Native |
Leptosiphon pachyphyllus | | Native |
Leptosiphon parviflorus | | Native |
Leptosiphon pygmaeus | | Native |
Leptosiphon pygmaeus subsp. continentalis | | Native |
Leptosiphon pygmaeus subsp. pygmaeus | PYGMY LEPTOSIPHON | Native |
Leptosiphon rattanii | RATTAN'S LEPTOSIPHON | Native |
Leptosiphon rosaceus | ROSE LEPTOSIPHON | Native |
Leptosiphon septentrionalis | | Native |
Leptosiphon serrulatus | MADERA LEPTOSIPHON | Native |
Leptospermum | | |
Leptospermum laevigatum | AUSTRALIAN TEA TREE | Naturalized |
Leptosyne ↳ Key to Leptosyne | TICKSEED | |
Leptosyne bigelovii | | Native |
Leptosyne californica | | Native |
Leptosyne calliopsidea | | Native |
Leptosyne douglasii | | Native |
Leptosyne gigantea | GIANT TICKSEED | Native |
Leptosyne hamiltonii | MOUNT HAMILTON TICKSEED | Native |
Leptosyne maritima | SEA DAHLIA | Native |
Leptosyne stillmanii | | Native |
Leptotaenia californica (Under Lomatium californicum) | | Synonym |
Leptotaenia leibergi (Under Lomatium roseanum) | | Synonym |
Lepturus cylindricus (Under Hainardia cylindrica) | | Synonym |
Lesquerella cordiformis (Under Physaria cordiformis) | | Synonym |
Lesquerella cusickii (Under Physaria occidentalis subsp. occidentalis) | | Synonym |
Lesquerella kingii (Under Physaria kingii) | | Synonym |
Lesquerella kingii subsp. bernardina (Under Physaria kingii subsp. bernardina) | | Synonym |
Lesquerella kingii subsp. kingii (Under Physaria kingii subsp. kingii) | | Synonym |
Lesquerella kingii subsp. latifolia (Under Physaria kingii subsp. latifolia) | | Synonym |
Lesquerella kingii var. cordiformis (Under Physaria cordiformis) | | Synonym |
Lesquerella ludoviciana (Under Physaria ludoviciana) | | Synonym |
Lesquerella occidentalis subsp. occidentalis (Under Physaria occidentalis subsp. occidentalis) | | Synonym |
Lesquerella tenella (Under Physaria tenella) | | Synonym |
Lesquerella wardii (Under Physaria kingii subsp. latifolia) | | Synonym |
Lessingia ↳ Key to Lessingia | | |
Lessingia arachnoidea | CRYSTAL SPRINGS LESSINGIA | Native |
Lessingia filaginifolia var. filaginifolia (Under Corethrogyne filaginifolia) | | Synonym |
Lessingia germanorum | SAN FRANCISCO LESSINGIA | Native |
Lessingia germanorum var. parvula (Under Lessingia tenuis) | | Synonym |
Lessingia germanorum var. tenuis (Under Lessingia tenuis) | | Synonym |
Lessingia glandulifera | | Native |
Lessingia glandulifera var. glandulifera | | Native |
Lessingia glandulifera var. glandulifera (Under Lessingia pectinata var. tenuipes) | | Misapplied name |
Lessingia glandulifera var. pectinata (Under Lessingia pectinata var. pectinata) | | Synonym |
Lessingia glandulifera var. peirsonii | | Native |
Lessingia glandulifera var. tomentosa | WARNER SPRINGS LESSINGIA | Native |
Lessingia hololeuca | WOOLLY-HEADED LESSINGIA | Native |
Lessingia hololeuca var. arachnoidea (Under Lessingia arachnoidea) | | Synonym |
Lessingia lemmonii var. lemmonii (Under Lessingia glandulifera var. glandulifera) | | Synonym |
Lessingia lemmonii var. peirsonii (Under Lessingia glandulifera var. peirsonii) | | Synonym |
Lessingia lemmonii var. ramulosissima (Under Lessingia glandulifera var. glandulifera) | | Synonym |
Lessingia leptoclada | SIERRA LESSINGIA | Native |
Lessingia micradenia | | Native |
Lessingia micradenia var. glabrata | SMOOTH LESSINGIA | Native |
Lessingia micradenia var. micradenia | TAMALPAIS LESSINGIA | Native |
Lessingia nana | DWARF LESSINGIA | Native |
Lessingia nemaclada | | Native |
Lessingia nemaclada var. albiflora (Under Lessingia nemaclada) | | Synonym |
Lessingia occidentalis (Under Benitoa occidentalis) | | Synonym |
Lessingia pectinata | | Native |
Lessingia pectinata var. pectinata | | Native |
Lessingia pectinata var. tenuipes | | Native |
Lessingia ramulosa | | Native |
Lessingia tenuis | SPRING LESSINGIA | Native |
Lessingia virgata | WAND LESSINGIA | Native |
Leucanthemum ↳ Key to Leucanthemum | | |
Leucanthemum lacustre | PORTUGUESE DAISY | Naturalized |
Leucanthemum maximum | SHASTA DAISY | Naturalized |
Leucanthemum paludosum (Under Mauranthemum paludosum) | | Synonym |
Leucanthemum vulgare | OX-EYE DAISY | Naturalized |
Leucelene ericoides (Under Chaetopappa ericoides) | | Synonym |
Leucocraspedum albicaulis (Under Frasera albicaulis) | | Synonym |
Leucocrinum | SAND LILY | |
Leucocrinum montanum | | Native |
Leucojum | | |
Leucojum aestivum | SNOWFLAKE | Waif |
Leucophysalis nana (Under Chamaesaracha nana) | | Synonym |
Leucopoa kingii (Under Festuca kingii) | | Synonym |
Leucoseris tenuifolia (Under Malacothrix saxatilis var. tenuifolia) | | Synonym |
Leucosyris ↳ Key to Leucosyris | | |
Leucosyris arida | SILVER LAKE DAISY | Native |
Leucosyris carnosa | SHRUBBY ALKALI ASTER | Native |
Leucothoe | | |
Leucothoe davisiae | SIERRA LAUREL | Native |
Lewisia ↳ Key to Lewisia | | |
Lewisia ×whiteae | | Native |
Lewisia alba (Under Lewisia rediviva var. rediviva) | | Synonym |
Lewisia bernardina (Under Lewisia nevadensis) | | Synonym |
Lewisia brachycalyx | SHORT-SEPALED LEWISIA | Native |
Lewisia brachycarpa (Under Lewisia brachycalyx) | | Synonym |
Lewisia cantelovii | CANTELOW'S LEWISIA | Native |
Lewisia cantelowii (Under Lewisia cantelovii) | | Orthographic variant |
Lewisia columbiana subsp. congdonii (Under Lewisia congdonii) | | Synonym |
Lewisia congdonii | CONGDON'S LEWISIA | Native |
Lewisia cotyledon | CLIFF MAIDS | Native |
Lewisia cotyledon var. cotyledon | | Native |
Lewisia cotyledon var. heckneri | HECKNER'S LEWISIA | Native |
Lewisia cotyledon var. howellii | HOWELL'S LEWISIA | Native |
Lewisia cotyledon var. purdyi (Under Lewisia cotyledon var. cotyledon) | | Synonym |
Lewisia disepala | YOSEMITE LEWISIA | Native |
Lewisia eastwoodiana (Under Lewisia leeana) | | Synonym |
Lewisia exarticulata (Under Lewisia pygmaea) | | Synonym |
Lewisia finchiae (Under Lewisia cotyledon var. cotyledon) | | Synonym |
Lewisia glandulosa | GLANDULAR LEWISIA | Native |
Lewisia glandulosa (Under Lewisia glandulosa) | | Illegitimate name |
Lewisia heckneri (Under Lewisia cotyledon var. heckneri) | | Synonym |
Lewisia howellii (Under Lewisia cotyledon var. howellii) | | Synonym |
Lewisia kelloggii | KELLOGG'S LEWISIA | Native |
Lewisia kelloggii subsp. hutchisonii | HUTCHISON'S LEWISIA | Native |
Lewisia kelloggii subsp. kelloggii | | Native |
Lewisia leana (Under Lewisia leeana) | | Orthographic variant |
Lewisia leeana | QUILL-LEAVED LEWISIA | Native |
Lewisia longipetala | LONG-PETALED LEWISIA | Native |
Lewisia minima (Under Lewisia pygmaea) | | Synonym |
Lewisia minor (Under Lewisia rediviva var. minor) | | Synonym |
Lewisia nevadensis | NEVADA LEWISIA | Native |
Lewisia oppositifolia | OPPOSITE-LEAVED LEWISIA | Native |
Lewisia purdyi (Under Lewisia cotyledon var. cotyledon) | | Synonym |
Lewisia pygmaea | DWARF LEWISIA | Native |
Lewisia pygmaea subsp. glandulosa (Under Lewisia glandulosa) | | Synonym |
Lewisia pygmaea subsp. longipetala (Under Lewisia longipetala) | | Synonym |
Lewisia pygmaea var. aridorum (Under Lewisia pygmaea) | | Synonym |
Lewisia pygmaea var. nevadensis (Under Lewisia nevadensis) | | Synonym |
Lewisia pygmaea var. sierrae (Under Lewisia pygmaea) | | Synonym |
Lewisia rediviva | | Native |
Lewisia rediviva subsp. minor (Under Lewisia rediviva var. minor) | | Synonym |
Lewisia rediviva var. minor | SMALL BITTERROOT | Native |
Lewisia rediviva var. rediviva | BITTERROOT | Native |
Lewisia rediviva var. yosemitana (Under Lewisia disepala) | | Synonym |
Lewisia serrata | SAW-TOOTHED LEWISIA | Native |
Lewisia sierrae (Under Lewisia pygmaea) | | Synonym |
Lewisia stebbinsii | STEBBINS' LEWISIA | Native |
Lewisia triphylla | THREE-LEAVED LEWISIA | Native |
Leymus ×multiflorus (Under Elymus ×gouldii) | | Synonym |
Leymus ×vancouverensis (Under Elymus ×vancouverensis) | | Synonym |
Leymus californicus (Under Elymus californicus) | | Synonym |
Leymus cinereus (Under Elymus cinereus) | | Synonym |
Leymus condensatus (Under Elymus condensatus) | | Synonym |
Leymus mollis subsp. mollis (Under Elymus mollis subsp. mollis) | | Synonym |
Leymus pacificus (Under Elymus pacificus) | | Synonym |
Leymus salina subsp. mojavensis (Under Elymus salina) | | Synonym |
Leymus salinus subsp. mojavensis (Under Elymus salina) | | Orthographic variant |
Leymus triticoides (Under Elymus triticoides) | | Synonym |
Libertia | | |
Libertia formosa | | Waif |
Libocedrus decurrens (Under Calocedrus decurrens) | | Synonym |
Ligusticum ↳ Key to Ligusticum | | |
Ligusticum apiifolium | | Native |
Ligusticum californicum | | Native |
Ligusticum grayi | | Native |
Ligustrum ↳ Key to Ligustrum | PRIVET | |
Ligustrum japonicum | JAPANESE PRIVET | Naturalized |
Ligustrum lucidum | CHINESE PRIVET | Naturalized |
Ligustrum ovalifolium | CALIFORNIA PRIVET | Naturalized |
Lilaea scilloides (Under Triglochin scilloides) | | Synonym |
Lilaeopsis ↳ Key to Lilaeopsis | | |
Lilaeopsis masonii | MASON'S LILAEOPSIS | Native |
Lilaeopsis occidentalis | | Native |
Liliaceae ↳ Key to Liliaceae | LILY FAMILY | |
Lilium ↳ Key to Lilium | LILY | |
Lilium bloomerianum var. ocellatum (Under Lilium humboldtii subsp. ocellatum) | | Synonym |
Lilium bolanderi | BOLANDER'S LILY | Native |
Lilium canadense var. parviflorum (Under Lilium columbianum) | | Synonym |
Lilium canadense var. parvum (Under Lilium parvum) | | Synonym |
Lilium columbianum | COLUMBIA LILY | Native |
Lilium fairchildii (Under Lilium humboldtii subsp. ocellatum) | | Synonym |
Lilium fresnense (Under Lilium kelleyanum) | | Synonym |
Lilium harrisianum (Under Lilium pardalinum subsp. pardalinum) | | Synonym |
Lilium howellii (Under Lilium bolanderi) | | Synonym |
Lilium humboldtii | | Native |
Lilium humboldtii subsp. humboldtii | HUMBOLDT LILY | Native |
Lilium humboldtii subsp. ocellatum | OCELLATED HUMBOLDT LILY | Native |
Lilium humboldtii var. bloomerianum (Under Lilium humboldtii subsp. ocellatum) | | Synonym |
Lilium humboldtii var. magnificum (Under Lilium humboldtii subsp. ocellatum) | | Synonym |
Lilium humboldtii var. ocellatum (Under Lilium humboldtii subsp. ocellatum) | | Synonym |
Lilium inyoense (Under Lilium kelleyanum) | | Synonym |
Lilium kelleyanum | KELLEY'S LILY | Native |
Lilium kelloggii | KELLOGG'S LILY | Native |
Lilium lucidum (Under Lilium columbianum) | | Synonym |
Lilium maritimum | COAST LILY | Native |
Lilium nevadense (Under Lilium pardalinum subsp. shastense) | | Synonym |
Lilium nevadense var. fresnense (Under Lilium kelleyanum) | | Synonym |
Lilium nevadense var. monense (Under Lilium kelleyanum) | | Synonym |
Lilium nevadense var. shastense (Under Lilium pardalinum subsp. shastense) | | Synonym |
Lilium occidentale | WESTERN LILY | Native |
Lilium ocellatum (Under Lilium humboldtii subsp. ocellatum) | | Synonym |
Lilium pardalinum | | Native |
Lilium pardalinum subsp. pardalinum | LEOPARD LILY | Native |
Lilium pardalinum subsp. pitkinense | PITKIN MARSH LILY | Native |
Lilium pardalinum subsp. shastense | SHASTA LILY | Native |
Lilium pardalinum subsp. vollmeri | VOLLMER'S LILY | Native |
Lilium pardalinum subsp. wigginsii | WIGGINS' LILY | Native |
Lilium pardalinum var. angustifolium (Under Lilium pardalinum subsp. pardalinum) | | Synonym |
Lilium pardalinum var. parviflorum (Under Lilium kelleyanum) | | Synonym |
Lilium parryi | LEMON LILY | Native |
Lilium parryi var. kessleri (Under Lilium parryi) | | Synonym |
Lilium parviflorum (Under Lilium columbianum) | | Synonym |
Lilium parviflorum var. luteum (Under Lilium pardalinum subsp. shastense) | | Synonym |
Lilium parvum | ALPINE LILY, SIERRA TIGER LILY | Native |
Lilium parvum var. crocatum (Under Lilium parvum) | | Synonym |
Lilium parvum var. luteum (Under Lilium pardalinum subsp. shastense) | | Synonym |
Lilium pitkinense (Under Lilium pardalinum subsp. pitkinense) | | Synonym |
Lilium purpureum (Under Lilium washingtonianum subsp. purpurascens) | | Synonym |
Lilium roezlii (Under Lilium pardalinum subsp. pardalinum) | | Synonym |
Lilium rubescens | REDWOOD LILY | Native |
Lilium shastense (Under Lilium pardalinum subsp. shastense) | | Synonym |
Lilium vollmeri (Under Lilium pardalinum subsp. vollmeri) | | Synonym |
Lilium washingtonianum | WASHINGTON LILY | Native |
Lilium washingtonianum subsp. purpurascens | PURPLE-FLOWERED WASHINGTON LILY | Native |
Lilium washingtonianum subsp. washingtonianum | | Native |
Lilium washingtonianum var. minor (Under Lilium washingtonianum subsp. washingtonianum) | | Synonym |
Lilium washingtonianum var. purpurascens (Under Lilium washingtonianum subsp. purpurascens) | | Synonym |
Lilium washingtonianum var. purpureum (Under Lilium rubescens) | | Synonym |
Lilium washingtonianum var. purpureum (Under Lilium washingtonianum subsp. purpurascens) | | Illegitimate name |
Lilium wigginsii (Under Lilium pardalinum subsp. wigginsii) | | Synonym |
Limnanthaceae ↳ Key to Limnanthaceae | MEADOWFOAM FAMILY | |
Limnanthes ↳ Key to Limnanthes | MEADOWFOAM | |
Limnanthes alba | | Native |
Limnanthes alba subsp. alba | | Native |
Limnanthes alba subsp. parishii | | Native |
Limnanthes alba subsp. versicolor | | Native |
Limnanthes bakeri | BAKER'S MEADOWFOAM | Native |
Limnanthes douglasii | | Native |
Limnanthes douglasii subsp. douglasii | | Native |
Limnanthes douglasii subsp. nivea | | Native |
Limnanthes douglasii subsp. rosea | | Native |
Limnanthes douglasii subsp. striata | | Native |
Limnanthes douglasii subsp. sulphurea | POINT REYES MEADOWFOAM | Native |
Limnanthes floccosa | | Native |
Limnanthes floccosa subsp. bellingeriana | BELLINGER'S MEADOWFOAM | Native |
Limnanthes floccosa subsp. californica | BUTTE COUNTY MEADOWFOAM | Native |
Limnanthes floccosa subsp. floccosa | WOOLLY MEADOWFOAM | Native |
Limnanthes gracilis subsp. parishii (Under Limnanthes alba subsp. parishii) | | Synonym |
Limnanthes montana | | Native |
Limnanthes striata (Under Limnanthes douglasii subsp. striata) | | Synonym |
Limnanthes versicolor var. parishii (Under Limnanthes alba subsp. parishii) | | Synonym |
Limnanthes vinculans | SEBASTOPOL MEADOWFOAM | Native |
Limnobium | FROGBIT | |
Limnobium laevigatum (Under Limnobium spongia) | | Misapplied name |
Limnobium spongia | AMERICAN FROGBIT | Naturalized |
Limonium ↳ Key to Limonium | SEA-LAVENDER, MARSH-ROSEMARY | |
Limonium brassicifolium | | Waif |
Limonium californicum | WESTERN MARSH-ROSEMARY | Native |
Limonium californicum var. mexicanum (Under Limonium californicum) | | Synonym |
Limonium duriusculum | | Naturalized |
Limonium otolepis | | Waif |
Limonium perezii | | Naturalized |
Limonium perfoliatum (Under Limonium otolepis) | | Unabridged misapplied name |
Limonium preauxii | | Waif |
Limonium ramosissimum | | Naturalized |
Limonium sinuatum | | Naturalized |
Limonium sventenii | | Waif |
Limosella ↳ Key to Limosella | MUDWORT | |
Limosella acaulis | | Native |
Limosella aquatica | | Native |
Limosella australis | DELTA MUDWORT | Naturalized |
Limosella subulata (Under Limosella australis) | | Synonym |
Linaceae ↳ Key to Linaceae | FLAX FAMILY | |
Linanthastrum nuttallii subsp. pubescens (Under Leptosiphon nuttallii subsp. pubescens) | | Synonym |
Linanthastrum pachyphyllum (Under Leptosiphon pachyphyllus) | | Synonym |
Linanthus ↳ Key to Linanthus | | |
Linanthus acicularis (Under Leptosiphon aureus) | | Synonym |
Linanthus ambiguus (Under Leptosiphon ambiguus) | | Synonym |
Linanthus androsaceus (Under Leptosiphon androsaceus) | | Synonym |
Linanthus androsaceus subsp. laetus (Under Leptosiphon parviflorus) | | Synonym |
Linanthus arenicola | SAND LINANTHUS | Native |
Linanthus aureus subsp. aureus (Under Leptosiphon chrysanthus subsp. chrysanthus) | | Synonym |
Linanthus aureus subsp. decorus (Under Leptosiphon chrysanthus subsp. decorus) | | Synonym |
Linanthus bakeri (Under Leptosiphon bolanderi) | | Synonym |
Linanthus bellus | DESERT BEAUTY | Native |
Linanthus bernardinus | PIONEERTOWN LINANTHUS | Native |
Linanthus bicolor (Under Leptosiphon bicolor) | | Synonym |
Linanthus bicolor subsp. minimus (Under Leptosiphon minimus) | | Synonym |
Linanthus bigelovii subsp. johnsonii | | Native |
Linanthus bolanderi (Under Leptosiphon bolanderi) | | Synonym |
Linanthus breviculus (Under Leptosiphon breviculus) | | Synonym |
Linanthus californicus | PRICKLY PHLOX | Native |
Linanthus californicus subsp. californicus | | Native |
Linanthus californicus subsp. glandulosus | | Native |
Linanthus californicus subsp. tomentosus | | Native |
Linanthus campanulatus | | Native |
Linanthus ciliatus (Under Leptosiphon ciliatus) | | Synonym |
Linanthus ciliatus var. montanus (Under Leptosiphon montanus) | | Synonym |
Linanthus concinnus | SAN GABRIEL LINANTHUS | Native |
Linanthus croceus (Under Leptosiphon croceus) | | Synonym |
Linanthus demissus | | Native |
Linanthus dianthiflorus | | Native |
Linanthus dianthiflorus subsp. farinosus (Under Linanthus dianthiflorus) | | Synonym |
Linanthus dichotomus | | Native |
Linanthus dichotomus subsp. dichotomus | EVENING SNOW | Native |
Linanthus dichotomus subsp. meridianus | | Native |
Linanthus dichotomus subsp. pattersonii | | Native |
Linanthus filiformis | | Native |
Linanthus filipes (Under Leptosiphon filipes) | | Synonym |
Linanthus floribundus subsp. floribundus (Under Leptosiphon floribundus subsp. floribundus) | | Synonym |
Linanthus floribundus subsp. glaber (Under Leptosiphon floribundus subsp. glaber) | | Synonym |
Linanthus floribundus subsp. hallii (Under Leptosiphon floribundus subsp. hallii) | | Synonym |
Linanthus grandiflorus (Under Leptosiphon grandiflorus) | | Synonym |
Linanthus harknessii (Under Leptosiphon harknessii) | | Synonym |
Linanthus harknessii subsp. condensatus (Under Leptosiphon harknessii) | | Synonym |
Linanthus inyoensis | | Native |
Linanthus jaegeri | SAN JACINTO LINANTHUS | Native |
Linanthus jepsonii (Under Leptosiphon jepsonii) | | Synonym |
Linanthus jonesii | | Native |
Linanthus killipii | BALDWIN LAKE LINANTHUS | Native |
Linanthus latisectus (Under Leptosiphon latisectus) | | Synonym |
Linanthus lemmonii (Under Leptosiphon lemmonii) | | Synonym |
Linanthus liniflorus (Under Leptosiphon liniflorus) | | Synonym |
Linanthus liniflorus subsp. pharnaceoides (Under Leptosiphon liniflorus) | | Synonym |
Linanthus maculatus | LITTLE SAN BERNARDINO MOUNTAINS LINANTHUS | Native |
Linanthus maculatus subsp. emaculatus | | Native |
Linanthus maculatus subsp. maculatus | | Native |
Linanthus montanus (Under Leptosiphon montanus) | | Synonym |
Linanthus nudatus (Under Leptosiphon nudatus) | | Synonym |
Linanthus nuttallii subsp. floribundus (Under Leptosiphon floribundus subsp. floribundus) | | Synonym |
Linanthus nuttallii subsp. howellii (Under Leptosiphon nuttallii subsp. howellii) | | Synonym |
Linanthus nuttallii subsp. nuttallii (Under Leptosiphon nuttallii subsp. nuttallii) | | Synonym |
Linanthus nuttallii subsp. pubescens (Under Leptosiphon nuttallii subsp. pubescens) | | Synonym |
Linanthus oblanceolatus (Under Leptosiphon oblanceolatus) | | Synonym |
Linanthus orcuttii | ORCUTT'S LINANTHUS | Native |
Linanthus pachyphyllus (Under Leptosiphon pachyphyllus) | | Synonym |
Linanthus parryae | | Native |
Linanthus parviflorus (Under Leptosiphon parviflorus) | | Synonym |
Linanthus parviflorus var. rosaceus (Under Leptosiphon rosaceus) | | Synonym |
Linanthus plaskettii (Under Leptosiphon parviflorus) | | Synonym |
Linanthus pungens | GRANITE GILIA | Native |
Linanthus pungens subsp. hallii | | Native |
Linanthus pungens subsp. pulchriflorus | | Native |
Linanthus pygmaeus subsp. continentalis (Under Leptosiphon pygmaeus subsp. continentalis) | | Synonym |
Linanthus pygmaeus subsp. pygmaeus (Under Leptosiphon pygmaeus subsp. pygmaeus) | | Synonym |
Linanthus rattanii (Under Leptosiphon rattanii) | | Synonym |
Linanthus rosaceus (Under Leptosiphon rosaceus) | | Synonym |
Linanthus septentrionalis (Under Leptosiphon septentrionalis) | | Synonym |
Linanthus serrulatus (Under Leptosiphon serrulatus) | | Synonym |
Linaria ↳ Key to Linaria | TOADFLAX | |
Linaria bipartita | | Naturalized |
Linaria canadensis (Under Nuttallanthus texanus) | | Misapplied name, in part |
Linaria canadensis var. texana (Under Nuttallanthus texanus) | | Synonym |
Linaria dalmatica subsp. dalmatica | DALMATIAN TOADFLAX | Naturalized |
Linaria genistifolia subsp. dalmatica (Under Linaria dalmatica subsp. dalmatica) | | Synonym |
Linaria maroccana | | Naturalized |
Linaria pinifolia | | Naturalized |
Linaria purpurea | | Waif |
Linaria reticulata (Under Linaria pinifolia) | | Synonym |
Linaria vulgaris | BUTTER-AND-EGGS | Naturalized |
Lindernia | FALSE PIMPERNEL | |
Lindernia dubia | | Native |
Lindernia dubia var. anagallidea (Under Lindernia dubia) | | Synonym |
Lindernia dubia var. dubia (Under Lindernia dubia) | | Synonym |
Linderniaceae | FALSE-PIMPERNEL FAMILY | |
Linnaea | TWIN FLOWER | |
Linnaea borealis subsp. americana (Under Linnaea borealis var. longiflora) | | Synonym |
Linnaea borealis var. longiflora | | Native |
Linnaeaceae | TWIN FLOWER FAMILY | |
Linum ↳ Key to Linum | FLAX | |
Linum angustifolium (Under Linum bienne) | | Synonym |
Linum bienne | | Naturalized |
Linum clevelandii (Under Hesperolinon clevelandii) | | Synonym |
Linum congestum (Under Hesperolinon congestum) | | Synonym |
Linum drymarioides (Under Hesperolinon drymarioides) | | Synonym |
Linum gallicum (Under Linum trigynum) | | Illegitimate name |
Linum grandiflorum | | Naturalized |
Linum lewisii var. alpicola (Under Linum lewisii var. lewisii) | | Synonym |
Linum lewisii var. lewisii | | Native |
Linum micranthum (Under Hesperolinon micranthum) | | Synonym |
Linum perenne subsp. lewisii (Under Linum lewisii var. lewisii) | | Synonym |
Linum puberulum | PLAINS FLAX | Native |
Linum spergulinum (Under Hesperolinon spergulinum) | | Synonym |
Linum trigynum | | Naturalized |
Linum usitatissimum | | Naturalized |
Lipocarpha ↳ Key to Lipocarpha | | |
Lipocarpha aristulata | | Native |
Lipocarpha micrantha | | Native |
Lipocarpha occidentalis | | Native |
Lippia lanceolata (Under Phyla lanceolata) | | Synonym |
Lippia wrightii (Under Aloysia wrightii) | | Synonym |
Listera ↳ Key to Listera | TWAYBLADE | |
Listera banksiana | NORTHWEST TWAYBLADE | Native |
Listera caurina (Under Listera banksiana) | | Synonym |
Listera convallarioides | BROAD-LEAVED TWAYBLADE | Native |
Listera cordata | HEART-LEAVED TWAYBLADE | Native |
Listera cordata var. cordata (Under Listera cordata) | | Synonym |
Listera cordata var. nephrophylla (Under Listera cordata) | | Synonym |
Listera nephrophylla (Under Listera cordata) | | Synonym |
Listera retusa (Under Listera banksiana) | | Synonym |
Lithocarpus densiflorus (Under Notholithocarpus densiflorus) | | Synonym |
Lithocarpus densiflorus var. densiflorus (Under Notholithocarpus densiflorus var. densiflorus) | | Synonym |
Lithocarpus densiflorus var. echinoides (Under Notholithocarpus densiflorus var. echinoides) | | Synonym |
Lithophragma ↳ Key to Lithophragma | WOODLAND STAR | |
Lithophragma affine | | Native |
Lithophragma affine subsp. mixtum (Under Lithophragma affine) | | Synonym |
Lithophragma bolanderi | | Native |
Lithophragma breviloba (Under Lithophragma tenellum) | | Synonym |
Lithophragma bulbiferum (Under Lithophragma glabrum) | | Synonym |
Lithophragma campanulatum | | Native |
Lithophragma cymbalaria | | Native |
Lithophragma glabrum | | Native |
Lithophragma heterophyllum | | Native |
Lithophragma maximum | SAN CLEMENTE ISLAND WOODLAND STAR | Native |
Lithophragma parviflorum | | Native |
Lithophragma parviflorum var. parviflorum | | Native |
Lithophragma parviflorum var. trifoliatum | | Native |
Lithophragma rupicola (Under Lithophragma tenellum) | | Synonym |
Lithophragma scabrella (Under Lithophragma bolanderi) | | Synonym |
Lithophragma tenellum | | Native |
Lithophragma trifoliatum (Under Lithophragma parviflorum var. trifoliatum) | | Synonym |
Lithophragma tripartitum (Under Lithophragma affine) | | Synonym |
Lithospermum ↳ Key to Lithospermum | STONESEED | |
Lithospermum arvense | GROMWELL | Naturalized |
Lithospermum californicum | CALIFORNIA STONESEED | Native |
Lithospermum incisum | PLAINS STONESEED | Native |
Lithospermum ruderale | WESTERN STONESEED | Native |
Loasaceae ↳ Key to Loasaceae | LOASA FAMILY | |
Lobelia ↳ Key to Lobelia | | |
Lobelia cardinalis var. pseudosplendens | CARDINAL FLOWER | Native |
Lobelia dunnii var. serrata | | Native |
Lobelia erinus | | Waif |
Lobularia | SWEET ALYSSUM | |
Lobularia maritima | | Naturalized |
Loeflingia | | |
Loeflingia pusilla (Under Loeflingia squarrosa) | | Synonym |
Loeflingia squarrosa | SPREADING PYGMYLEAF | Native |
Loeflingia squarrosa subsp. artemisiarum (Under Loeflingia squarrosa) | | Synonym |
Loeflingia squarrosa subsp. squarosa (Under Loeflingia squarrosa) | | Synonym |
Loeflingia squarrosa var. artemisiarum (Under Loeflingia squarrosa) | | Synonym |
Loeflingia squarrosa var. squarrosa (Under Loeflingia squarrosa) | | Synonym |
Loeselia tenuifolia (Under Ipomopsis tenuifolia) | | Synonym |
Loeseliastrum ↳ Key to Loeseliastrum | | |
Loeseliastrum depressum | DEPRESSED STANDING-CYPRESS | Native |
Loeseliastrum matthewsii | DESERT CALICO | Native |
Loeseliastrum schottii | | Native |
Logfia ↳ Key to Logfia | | |
Logfia arizonica | ARIZONA COTTONROSE | Native |
Logfia depressa | HIERBA LIMPIA | Native |
Logfia filaginoides | CALIFORNIA COTTONROSE | Native |
Logfia gallica | DAGGERLEAF COTTONROSE | Naturalized |
Lolium arundinaceum (Under Festuca arundinacea) | | Synonym |
Lolium multiflorum (Under Festuca perennis) | | Synonym |
Lolium perenne (Under Festuca perennis) | | Synonym |
Lolium perenne var. multiflorum (Under Festuca perennis) | | Synonym |
Lolium pratense (Under Festuca pratensis) | | Synonym |
Lolium strictum (Under Festuca perennis) | | Synonym |
Lolium temulentum (Under Festuca temulenta) | | Synonym |
Lomatium ↳ Key to Lomatium | | |
Lomatium alatum (Under Lomatium triternatum var. macrocarpum) | | Synonym |
Lomatium austiniae | | Native |
Lomatium bicolor var. leptocarpum | | Native |
Lomatium californicum | | Native |
Lomatium canbyi | CANBY'S LOMATIUM | Native |
Lomatium caruifolium | | Native |
Lomatium caruifolium var. caruifolium | | Native |
Lomatium caruifolium var. denticulatum | | Native |
Lomatium ciliolatum | | Native |
Lomatium ciliolatum var. hooveri (Under Lomatium hooveri) | | Synonym |
Lomatium congdonii | CONGDON'S LOMATIUM | Native |
Lomatium dasycarpum | | Native |
Lomatium dasycarpum subsp. dasycarpum | | Native |
Lomatium dasycarpum subsp. tomentosum | | Native |
Lomatium dissectum | | Native |
Lomatium dissectum var. multifidum (Under Lomatium multifidum) | | Synonym |
Lomatium engelmannii | ENGELMANN'S LOMATIUM | Native |
Lomatium foeniculaceum | | Native |
Lomatium foeniculaceum subsp. fimbriatum | | Native |
Lomatium foeniculaceum subsp. inyoense | INYO LOMATIUM | Native |
Lomatium foeniculaceum subsp. macdougalii | MACDOUGAL'S LOMATIUM | Native |
Lomatium foeniculaceum var. macdougalii (Under Lomatium foeniculaceum subsp. macdougalii) | | Synonym |
Lomatium fusiformis | | Native |
Lomatium giganteum (Under Lomatium triternatum var. macrocarpum) | | Synonym |
Lomatium grayi | GRAY'S LOMATIUM | Native |
Lomatium hallii | | Native |
Lomatium hendersonii | HENDERSON'S LOMATIUM | Native |
Lomatium hooveri | HOOVER'S LOMATIUM | Native |
Lomatium howellii | HOWELL'S LOMATIUM | Native |
Lomatium humile (Under Lomatium caruifolium var. denticulatum) | | Synonym |
Lomatium insulare | SAN NICOLAS ISLAND LOMATIUM | Native |
Lomatium inyoense (Under Lomatium foeniculaceum subsp. inyoense) | | Synonym |
Lomatium kogholiini | WAILAKI LOMATIUM | Native |
Lomatium leptocarpum (Under Lomatium bicolor var. leptocarpum) | | Synonym |
Lomatium lucidum | | Native |
Lomatium lucidum var. repostum (Under Lomatium repostum) | | Synonym |
Lomatium macrocarpum | | Native |
Lomatium macrocarpum var. ellipticum (Under Lomatium macrocarpum) | | Synonym |
Lomatium marginatum | | Native |
Lomatium marginatum var. marginatum | | Native |
Lomatium marginatum var. purpureum | | Native |
Lomatium martindalei | COAST RANGE LOMATIUM | Native |
Lomatium microcarpum (Under Lomatium hallii) | | Synonym |
Lomatium mohavense | | Native |
Lomatium multifidum | | Native |
Lomatium nelsonianum (Under Lomatium hallii) | | Unabridged synonym, in part |
Lomatium nevadense | | Native |
Lomatium nevadense var. holopterum (Under Lomatium nevadense var. parishii) | | Synonym |
Lomatium nevadense var. nevadense | | Native |
Lomatium nevadense var. parishii | | Native |
Lomatium nevadense var. pseudorientale (Under Lomatium nevadense var. parishii) | | Synonym |
Lomatium nudicaule | | Native |
Lomatium nudicaule var. puberulum (Under Lomatium triternatum var. triternatum) | | Synonym |
Lomatium observatorium | MOUNT HAMILTON LOMATIUM | Native |
Lomatium parryi | | Native |
Lomatium parvifolium | SMALL-LEAVED LOMATIUM | Native |
Lomatium parvifolium var. pallidum (Under Lomatium parvifolium) | | Synonym |
Lomatium peckianum | PECK'S LOMATIUM | Native |
Lomatium piperi | | Native |
Lomatium plummerae (Under Lomatium austiniae) | | Synonym |
Lomatium plummerae var. austiniae (Under Lomatium austiniae) | | Synonym |
Lomatium plummerae var. sonnei (Under Lomatium austiniae) | | Synonym |
Lomatium ravenii | RAVEN'S LOMATIUM | Native |
Lomatium ravenii var. paiutense | | Native |
Lomatium ravenii var. ravenii | | Native |
Lomatium repostum | NAPA LOMATIUM | Native |
Lomatium rigidum | STIFF LOMATIUM | Native |
Lomatium roseanum | ADOBE LOMATIUM | Native |
Lomatium shevockii | OWENS PEAK LOMATIUM | Native |
Lomatium stebbinsii | STEBBINS' LOMATIUM | Native |
Lomatium tomentosum (Under Lomatium dasycarpum subsp. tomentosum) | | Synonym |
Lomatium torreyi | | Native |
Lomatium tracyi | TRACY'S LOMATIUM | Native |
Lomatium triternatum | | Native |
Lomatium triternatum var. macrocarpum | | Native |
Lomatium triternatum var. triternatum | | Native |
Lomatium utriculatum | | Native |
Lomatium vaginatum | | Native |
Lomatium vaseyi (Under Lomatium utriculatum) | | Synonym |
Lonicera ↳ Key to Lonicera | HONEYSUCKLE | |
Lonicera caerulea var. cauriana (Under Lonicera cauriana) | | Synonym |
Lonicera cauriana | | Native |
Lonicera ciliosa | ORANGE HONEYSUCKLE | Native |
Lonicera conjugialis | | Native |
Lonicera etrusca | | Waif |
Lonicera hispidula | | Native |
Lonicera hispidula var. californica (Under Lonicera hispidula) | | Superfluous name |
Lonicera hispidula var. hispidula (Under Lonicera hispidula) | | Synonym |
Lonicera hispidula var. vacillans (Under Lonicera hispidula) | | Synonym |
Lonicera interrupta | | Native |
Lonicera involucrata | TWINBERRY | Native |
Lonicera involucrata var. involucrata | | Native |
Lonicera involucrata var. ledebourii | | Native |
Lonicera japonica | JAPANESE HONEYSUCKLE | Naturalized |
Lonicera subspicata | | Native |
Lonicera subspicata var. denudata | | Native |
Lonicera subspicata var. johnstonii (Under Lonicera subspicata var. denudata) | | Synonym |
Lonicera subspicata var. subspicata | SANTA BARBARA HONEYSUCKLE | Native |
Lonicera tatarica | | Naturalized |
Lophochloa cristata (Under Koeleria gerardi) | | Synonym |
Lorandersonia peirsonii (Under Tonestus peirsonii) | | Synonym |
Lotus ↳ Key to Lotus | | |
Lotus aboriginus (Under Hosackia rosea) | | Synonym |
Lotus angustissimus | | Naturalized |
Lotus argophyllus (Under Acmispon argophyllus) | | Synonym |
Lotus argophyllus subsp. adsurgens (Under Acmispon argophyllus var. adsurgens) | | Synonym |
Lotus argophyllus subsp. niveus (Under Acmispon argophyllus var. niveus) | | Synonym |
Lotus argophyllus var. adsurgens (Under Acmispon argophyllus var. adsurgens) | | Synonym |
Lotus argophyllus var. argenteus (Under Acmispon argophyllus var. argenteus) | | Synonym |
Lotus argophyllus var. argophyllus (Under Acmispon argophyllus var. argophyllus) | | Synonym |
Lotus argophyllus var. decorus (Under Acmispon argophyllus var. argophyllus) | | Synonym |
Lotus argophyllus var. fremontii (Under Acmispon argophyllus var. fremontii) | | Synonym |
Lotus argophyllus var. niveus (Under Acmispon argophyllus var. niveus) | | Synonym |
Lotus argophyllus var. ornithopus (Under Acmispon argophyllus var. argenteus) | | Synonym, in part |
Lotus argyraeus (Under Acmispon argyraeus) | | Synonym |
Lotus argyraeus subsp. argyraeus (Under Acmispon argyraeus var. argyraeus) | | Synonym |
Lotus argyraeus subsp. multicaulis (Under Acmispon argyraeus var. multicaulis) | | Synonym |
Lotus argyraeus var. argyraeus (Under Acmispon argyraeus var. argyraeus) | | Synonym |
Lotus argyraeus var. multicaulis (Under Acmispon argyraeus var. multicaulis) | | Synonym |
Lotus argyraeus var. notitius (Under Acmispon argyraeus var. notitius) | | Synonym |
Lotus benthamii (Under Acmispon cytisoides) | | Synonym |
Lotus corniculatus | BIRD'S-FOOT TREFOIL | Naturalized |
Lotus crassifolius var. crassifolius (Under Hosackia crassifolia var. crassifolia) | | Synonym |
Lotus crassifolius var. otayensis (Under Hosackia crassifolia var. otayensis) | | Synonym |
Lotus cupreus (Under Hosackia oblongifolia var. cuprea) | | Synonym |
Lotus davidsonii (Under Acmispon decumbens var. davidsonii) | | Synonym |
Lotus dendroideus (Under Acmispon dendroideus) | | Synonym |
Lotus dendroideus var. dendroideus (Under Acmispon dendroideus var. dendroideus) | | Synonym |
Lotus dendroideus var. traskiae (Under Acmispon dendroideus var. traskiae) | | Synonym |
Lotus dendroideus var. veatchii (Under Acmispon dendroideus var. veatchii) | | Synonym |
Lotus denticulatus (Under Acmispon denticulatus) | | Synonym |
Lotus douglasii (Under Acmispon decumbens var. decumbens) | | Synonym |
Lotus formosissimus (Under Hosackia gracilis) | | Synonym |
Lotus glaber (Under Lotus tenuis) | | Synonym |
Lotus grandiflorus (Under Acmispon grandiflorus) | | Synonym |
Lotus grandiflorus var. grandiflorus (Under Acmispon grandiflorus var. grandiflorus) | | Synonym |
Lotus grandiflorus var. macranthus (Under Acmispon grandiflorus var. macranthus) | | Synonym |
Lotus grandiflorus var. mutabilis (Under Acmispon grandiflorus var. grandiflorus) | | Synonym |
Lotus hamatus (Under Acmispon micranthus) | | Synonym |
Lotus haydonii (Under Acmispon haydonii) | | Synonym |
Lotus heermannii (Under Acmispon tomentosus) | | Synonym |
Lotus heermannii var. eriophorus (Under Acmispon tomentosus var. tomentosus) | | Synonym |
Lotus heermannii var. heermannii (Under Acmispon tomentosus var. glabriusculus) | | Synonym |
Lotus heermannii var. orbicularis (Under Acmispon tomentosus var. tomentosus) | | Synonym |
Lotus humistratus (Under Acmispon brachycarpus) | | Synonym |
Lotus incanus (Under Hosackia incana) | | Synonym |
Lotus junceus (Under Acmispon junceus) | | Synonym |
Lotus junceus var. biolettii (Under Acmispon junceus var. biolettii) | | Synonym |
Lotus junceus var. junceus (Under Acmispon junceus var. junceus) | | Synonym |
Lotus micranthus (Under Acmispon parviflorus) | | Synonym |
Lotus neo-incanus (Under Hosackia incana) | | Synonym |
Lotus nevadensis (Under Acmispon decumbens) | | Synonym |
Lotus nevadensis var. davidsonii (Under Acmispon decumbens var. davidsonii) | | Synonym |
Lotus nevadensis var. douglasii (Under Acmispon decumbens var. decumbens) | | Synonym |
Lotus nevadensis var. nevadensis (Under Acmispon decumbens var. decumbens) | | Synonym |
Lotus nuttallianus (Under Acmispon prostratus) | | Synonym |
Lotus oblongifolius var. cupreus (Under Hosackia oblongifolia var. cuprea) | | Synonym |
Lotus oblongifolius var. nevadensis (Under Hosackia oblongifolia var. oblongifolia) | | Synonym |
Lotus oblongifolius var. oblongifolius (Under Hosackia oblongifolia var. oblongifolia) | | Synonym |
Lotus pinnatus (Under Hosackia pinnata) | | Synonym |
Lotus procumbens (Under Acmispon procumbens) | | Synonym |
Lotus procumbens var. jepsonii (Under Acmispon procumbens var. jepsonii) | | Synonym |
Lotus procumbens var. procumbens (Under Acmispon procumbens var. procumbens) | | Synonym |
Lotus purshianus var. glaber (Under Acmispon americanus var. americanus) | | Synonym |
Lotus purshianus var. purshianus (Under Acmispon americanus var. americanus) | | Synonym |
Lotus rigidus (Under Acmispon rigidus) | | Synonym |
Lotus rubriflorus (Under Acmispon rubriflorus) | | Synonym |
Lotus salsuginosus (Under Acmispon maritimus) | | Synonym |
Lotus salsuginosus subsp. brevivexillus (Under Acmispon maritimus var. brevivexillus) | | Synonym |
Lotus salsuginosus subsp. salsuginosus (Under Acmispon maritimus var. maritimus) | | Synonym |
Lotus salsuginosus var. brevivexillus (Under Acmispon maritimus var. brevivexillus) | | Synonym |
Lotus salsuginosus var. salsuginosus (Under Acmispon maritimus var. maritimus) | | Synonym |
Lotus scoparius (Under Acmispon glaber) | | Synonym |
Lotus scoparius subsp. scoparius (Under Acmispon glaber var. glaber) | | Synonym |
Lotus scoparius subsp. traskiae (Under Acmispon dendroideus var. traskiae) | | Synonym |
Lotus scoparius var. brevialatus (Under Acmispon glaber var. brevialatus) | | Synonym |
Lotus scoparius var. dendroideus (Under Acmispon dendroideus var. dendroideus) | | Synonym |
Lotus scoparius var. scoparius (Under Acmispon glaber var. glaber) | | Synonym |
Lotus scoparius var. veatchii (Under Acmispon dendroideus var. veatchii) | | Synonym |
Lotus stipularis (Under Hosackia stipularis) | | Synonym |
Lotus stipularis var. ottleyi (Under Hosackia stipularis var. ottleyi) | | Synonym |
Lotus stipularis var. stipularis (Under Hosackia stipularis var. stipularis) | | Synonym |
Lotus strigosus (Under Acmispon strigosus) | | Synonym |
Lotus strigosus var. hirtellus (Under Acmispon strigosus) | | Synonym |
Lotus strigosus var. tomentellus (Under Acmispon strigosus) | | Synonym |
Lotus subpinnatus (Under Acmispon wrangelianus) | | Misapplied name |
Lotus tenuis | | Naturalized |
Lotus tomentellus (Under Acmispon strigosus) | | Synonym |
Lotus uliginosus | | Naturalized |
Lotus wrangelianus (Under Acmispon wrangelianus) | | Synonym |
Lotus yollabolliensis (Under Hosackia yollabolliensis) | | Synonym |
Ludwigia ↳ Key to Ludwigia | FALSE LOOSESTRIFE, WATER PRIMROSE | |
Ludwigia grandiflora | LARGE-FLOWERED PRIMROSE-WILLOW | Naturalized |
Ludwigia grandiflora subsp. hexapetala (Under Ludwigia hexapetala) | | Synonym |
Ludwigia hexapetala | URUGUAYAN PRIMROSE-WILLOW | Naturalized |
Ludwigia natans var. stipitata (Under Ludwigia repens) | | Synonym |
Ludwigia palustris | | Native |
Ludwigia palustris var. americana (Under Ludwigia palustris) | | Synonym |
Ludwigia palustris var. pacifica (Under Ludwigia palustris) | | Synonym |
Ludwigia peploides | | Naturalized |
Ludwigia peploides subsp. montevidensis | | Naturalized |
Ludwigia peploides subsp. peploides | | Naturalized |
Ludwigia repens | | Native |
Ludwigia repens var. stipitata (Under Ludwigia repens) | | Synonym |
Luetkea | | |
Luetkea pectinata | | Native |
Luina | | |
Luina hypoleuca | | Native |
Luma | | |
Luma apiculata | ARRAYAN, TEMU | Waif |
Lunaria | MONEY PLANT, HONESTY | |
Lunaria annua | | Naturalized |
Lupinus ↳ Key to Lupinus | LUPINE | |
Lupinus abramsii (Under Lupinus albifrons var. abramsii) | | Synonym |
Lupinus adsurgens | DREW'S SILKY LUPINE | Native |
Lupinus adsurgens var. lilacinus (Under Lupinus antoninus) | | Synonym, in part |
Lupinus adsurgens var. undulatus (Under Lupinus dalesiae) | | Synonym, in part |
Lupinus affinis | FLESHY LUPINE | Native |
Lupinus albicaulis | SICKLE KEELED LUPINE | Native |
Lupinus albicaulis var. silvestris (Under Lupinus elmeri) | | Synonym, in part |
Lupinus albifrons | | Native |
Lupinus albifrons var. abramsii | ABRAMS' LUPINE | Native |
Lupinus albifrons var. albifrons | SILVER BUSH LUPINE | Native |
Lupinus albifrons var. austromontanus | SOUTHERN MOUNTAIN LUPINE | Native |
Lupinus albifrons var. collinus | LOW-GROWING SILVER LUPINE | Native |
Lupinus albifrons var. douglasii | LONG-BRACTED SILVER LUPINE | Native |
Lupinus albifrons var. flumineus (Under Lupinus albifrons var. collinus) | | Synonym |
Lupinus albifrons var. hallii | HALL'S BUSH LUPINE | Native |
Lupinus albifrons var. johnstonii | JOHNSTON'S SILVER LUPINE | Native |
Lupinus albifrons var. medius | MOUNTAIN SPRINGS LUPINE | Native |
Lupinus andersonii | ANDERSON'S LUPINE | Native |
Lupinus andersonii var. apertus (Under Lupinus apertus) | | Synonym |
Lupinus andersonii var. christinae (Under Lupinus angustiflorus) | | Synonym |
Lupinus angustiflorus | NARROW FLOWERED LUPINE | Native |
Lupinus antoninus | ANTHONY PEAK LUPINE | Native |
Lupinus apertus | SUMMIT LUPINE | Native |
Lupinus arboreus | COASTAL BUSH LUPINE | Native |
Lupinus arbustus | SPURRED LUPINE | Native |
Lupinus arbustus subsp. calcaratus (Under Lupinus arbustus) | | Synonym |
Lupinus arbustus subsp. silvicola (Under Lupinus arbustus) | | Synonym |
Lupinus arbustus var. montanus (Under Lupinus arbustus) | | Synonym |
Lupinus arenicola (Under Lupinus microcarpus var. horizontalis) | | Synonym |
Lupinus argenteus | | Native |
Lupinus argenteus var. argenteus | SILVERY LUPINE | Native |
Lupinus argenteus var. heteranthus | SILVER SPURRED LUPINE | Native |
Lupinus argenteus var. meionanthus | SMALL FLOWERED SIERRAN LUPINE | Native |
Lupinus argenteus var. montigenus | LONG PETIOLED SILVER LUPINE | Native |
Lupinus argenteus var. palmeri | PALMER'S LUPINE | Native |
Lupinus argenteus var. tenellus (Under Lupinus argenteus var. argenteus) | | Synonym |
Lupinus arizonicus | ARIZONA LUPINE | Native |
Lupinus arizonicus subsp. arizonicus (Under Lupinus arizonicus) | | Synonym |
Lupinus arizonicus subsp. setosissimus (Under Lupinus arizonicus) | | Synonym |
Lupinus arizonicus subsp. sonorensis (Under Lupinus arizonicus) | | Synonym |
Lupinus arizonicus var. arizonicus (Under Lupinus arizonicus) | | Synonym |
Lupinus benthamii | SPIDER LUPINE | Native |
Lupinus benthamii var. benthamii (Under Lupinus benthamii) | | Synonym |
Lupinus benthamii var. opimus (Under Lupinus benthamii) | | Synonym |
Lupinus bicolor | MINIATURE LUPINE | Native |
Lupinus bicolor subsp. marginatus (Under Lupinus bicolor) | | Synonym |
Lupinus bicolor subsp. microphyllus (Under Lupinus bicolor) | | Synonym |
Lupinus bicolor subsp. pipersmithii (Under Lupinus bicolor) | | Synonym |
Lupinus bicolor subsp. tridentatus (Under Lupinus bicolor) | | Synonym |
Lupinus bicolor subsp. umbellatus (Under Lupinus bicolor) | | Synonym |
Lupinus bicolor var. rostratus (Under Lupinus bicolor) | | Synonym |
Lupinus bicolor var. trifidus (Under Lupinus bicolor) | | Synonym |
Lupinus brevicaulis | SAND LUPINE | Native |
Lupinus breweri | | Native |
Lupinus breweri var. breweri | BREWER'S LUPINE | Native |
Lupinus breweri var. bryoides | MATTED BREWER'S LUPINE | Native |
Lupinus breweri var. grandiflorus | SHOWY BREWER'S LUPINE | Native |
Lupinus caespitosus (Under Lupinus lepidus var. utahensis) | | Synonym |
Lupinus caudatus (Under Lupinus argenteus var. heteranthus) | | Synonym |
Lupinus cervinus | SANTA LUCIA LUPINE | Native |
Lupinus chamissonis | DUNE BUSH LUPINE | Native |
Lupinus citrinus | | Native |
Lupinus citrinus var. citrinus | ORANGE LUPINE | Native |
Lupinus citrinus var. deflexus | MARIPOSA LUPINE | Native |
Lupinus concinnus | BAJADA LUPINE | Native |
Lupinus concinnus var. agardhianus (Under Lupinus concinnus) | | Synonym |
Lupinus concinnus var. brevior (Under Lupinus arizonicus) | | Synonym |
Lupinus concinnus var. concinnus (Under Lupinus concinnus) | | Synonym |
Lupinus concinnus var. desertorum (Under Lupinus concinnus) | | Synonym |
Lupinus concinnus var. optatus (Under Lupinus concinnus) | | Synonym |
Lupinus concinnus var. orcuttii (Under Lupinus concinnus) | | Synonym |
Lupinus concinnus var. pallidus (Under Lupinus concinnus) | | Synonym |
Lupinus confertus (Under Lupinus lepidus var. confertus) | | Synonym |
Lupinus congdonii (Under Lupinus bicolor) | | Synonym |
Lupinus constancei | THE LASSICS LUPINE | Native |
Lupinus covillei | COVILLE'S SHAGGY LUPINE | Native |
Lupinus croceus | MOUNT EDDY LUPINE | Native |
Lupinus culbertsonii (Under Lupinus lepidus var. culbertsonii) | | Synonym |
Lupinus dalesiae | QUINCY LUPINE | Native |
Lupinus dedeckerae (Under Lupinus padrecrowleyi) | | Synonym |
Lupinus deflexus (Under Lupinus citrinus var. deflexus) | | Synonym |
Lupinus densiflorus (Under Lupinus microcarpus var. densiflorus) | | Synonym |
Lupinus densiflorus var. aureus (Under Lupinus microcarpus var. densiflorus) | | Synonym |
Lupinus densiflorus var. austrocollium (Under Lupinus microcarpus var. microcarpus) | | Synonym |
Lupinus densiflorus var. glareosus (Under Lupinus microcarpus var. horizontalis) | | Synonym |
Lupinus densiflorus var. lacteus (Under Lupinus microcarpus var. densiflorus) | | Synonym, in part |
Lupinus densiflorus var. palustris (Under Lupinus microcarpus var. microcarpus) | | Synonym |
Lupinus densiflorus var. persecundus (Under Lupinus microcarpus var. microcarpus) | | Synonym |
Lupinus duranii | MONO LUPINE | Native |
Lupinus elatus | SILKY LUPINE | Native |
Lupinus elmeri | SOUTH FORK MOUNTAIN LUPINE | Native |
Lupinus excubitus | DESERT BUSH LUPINE | Native |
Lupinus excubitus var. austromontanus (Under Lupinus albifrons var. austromontanus) | | Synonym |
Lupinus excubitus var. hallii (Under Lupinus albifrons var. hallii) | | Synonym |
Lupinus excubitus var. johnstonii (Under Lupinus albifrons var. johnstonii) | | Synonym |
Lupinus excubitus var. medius (Under Lupinus albifrons var. medius) | | Synonym |
Lupinus flavoculatus | YELLOW EYED LUPINE | Native |
Lupinus formosus | | Native |
Lupinus formosus var. formosus | WESTERN LUPINE | Native |
Lupinus formosus var. hyacinthinus (Under Lupinus hyacinthinus) | | Synonym |
Lupinus formosus var. robustus | ROBUST WESTERN LUPINE | Native |
Lupinus fulcratus | GREEN STIPULED LUPINE | Native |
Lupinus gracilentus | SLENDER LUPINE | Native |
Lupinus gracilentus var. covillei (Under Lupinus covillei) | | Synonym |
Lupinus grayi | GRAY'S LUPINE | Native |
Lupinus guadalupensis | GUADALUPE ISLAND LUPINE | Native |
Lupinus hirsutissimus | STINGING LUPINE | Native |
Lupinus holmgrenanus (Under Lupinus polyphyllus var. humicola) | | Orthographic variant |
Lupinus holmgrenianus (Under Lupinus polyphyllus var. humicola) | | Synonym |
Lupinus horizontalis (Under Lupinus microcarpus var. horizontalis) | | Synonym |
Lupinus horizontalis var. platypetalus (Under Lupinus microcarpus var. horizontalis) | | Synonym |
Lupinus hyacinthinus | SAN JACINTO MOUNTAIN LUPINE | Native |
Lupinus hypolasius (Under Lupinus lepidus var. ramosus) | | Synonym |
Lupinus inyoensis (Under Lupinus argenteus var. heteranthus) | | Synonym, in part |
Lupinus inyoensis (Under Lupinus padrecrowleyi) | | Synonym, in part |
Lupinus lapidicola | HELLER'S MOUNT EDDY LUPINE | Native |
Lupinus latifolius | | Native |
Lupinus latifolius var. barbatus (Under Lupinus latifolius var. viridifolius) | | Synonym |
Lupinus latifolius var. columbianus (Under Lupinus latifolius var. latifolius) | | Synonym, in part |
Lupinus latifolius var. dudleyi | DUDLEY'S BROADLEAF LUPINE | Native |
Lupinus latifolius var. latifolius | BROADLEAF LUPINE | Native |
Lupinus latifolius var. parishii | PARISH'S BROADLEAF LUPINE | Native |
Lupinus latifolius var. viridifolius | SMALL FLOWERED BROADLEAF LUPINE | Native |
Lupinus lepidus | | Native |
Lupinus lepidus var. aridus | GREAT BASIN DWARF LUPINE | Native |
Lupinus lepidus var. confertus | CLUSTERED TIDY LUPINE | Native |
Lupinus lepidus var. culbertsonii | HOCKETT MEADOW LUPINE | Native |
Lupinus lepidus var. lobbii | LOBB'S DWARF LUPINE | Native |
Lupinus lepidus var. ramosus | BRANCHED DWARF LUPINE | Native |
Lupinus lepidus var. sellulus | DONNER LAKE LUPINE | Native |
Lupinus lepidus var. utahensis | UTAH DWARF LUPINE | Native |
Lupinus leucophyllus | VELVET LUPINE | Native |
Lupinus leucophyllus var. canescens (Under Lupinus leucophyllus) | | Synonym |
Lupinus littoralis | | Native |
Lupinus littoralis var. littoralis | BLUFF LUPINE | Native |
Lupinus littoralis var. variicolor | VARICOLORED BLUFF LUPINE | Native |
Lupinus lobbii (Under Lupinus lepidus var. lobbii) | | Synonym |
Lupinus longifolius | LONGLEAF BUSH LUPINE | Native |
Lupinus ludovicianus | SAN LUIS OBISPO COUNTY LUPINE | Native |
Lupinus luteolus | BUTTER LUPINE | Native |
Lupinus lyallii var. danaus (Under Lupinus lepidus var. lobbii) | | Synonym |
Lupinus lyallii var. lyallii (Under Lupinus lepidus var. lobbii) | | Synonym |
Lupinus magnificus | | Native |
Lupinus magnificus var. glarecola | COSO MOUNTAIN LUPINE | Native |
Lupinus magnificus var. hesperius | MCGEE MEADOW LUPINE | Native |
Lupinus magnificus var. magnificus | PANAMINT MOUNTAIN LUPINE | Native |
Lupinus meionanthus (Under Lupinus argenteus var. meionanthus) | | Synonym |
Lupinus microcarpus | | Native |
Lupinus microcarpus var. densiflorus | SECUND CHICK LUPINE | Native |
Lupinus microcarpus var. horizontalis | ROSE CHICK LUPINE | Native |
Lupinus microcarpus var. microcarpus | SHAGGY HAIRED CHICK LUPINE | Native |
Lupinus milo-bakeri (Under Lupinus milobakeri) | | Orthographic variant |
Lupinus milobakeri | MILO BAKER'S LUPINE | Native |
Lupinus montigenus (Under Lupinus argenteus var. montigenus) | | Synonym |
Lupinus nanus | SKY LUPINE | Native |
Lupinus nanus subsp. apricus (Under Lupinus nanus) | | Synonym |
Lupinus nanus subsp. latifolius (Under Lupinus nanus) | | Synonym |
Lupinus nanus subsp. menkerae (Under Lupinus nanus) | | Synonym |
Lupinus nanus var. maritimus (Under Lupinus nanus) | | Synonym |
Lupinus nevadensis | NEVADA LUPINE | Native |
Lupinus nipomensis | NIPOMO MESA LUPINE | Native |
Lupinus obtusilobus | SATIN LUPINE | Native |
Lupinus odoratus | MOJAVE LUPINE | Native |
Lupinus onustus | PLUMAS LUPINE | Native |
Lupinus pachylobus | BIG POD LUPINE | Native |
Lupinus padre-crowleyi (Under Lupinus padrecrowleyi) | | Orthographic variant |
Lupinus padrecrowleyi | FATHER CROWLEY'S LUPINE | Native |
Lupinus palmeri (Under Lupinus argenteus var. palmeri) | | Synonym |
Lupinus paynei (Under Lupinus albifrons var. hallii) | | Synonym |
Lupinus peirsonii | PEIRSON'S LUPINE | Native |
Lupinus polycarpus (Under Lupinus bicolor) | | Synonym |
Lupinus polyphyllus | | Native |
Lupinus polyphyllus subsp. bernardinus (Under Lupinus polyphyllus var. burkei) | | Synonym |
Lupinus polyphyllus subsp. superbus (Under Lupinus polyphyllus var. burkei) | | Synonym |
Lupinus polyphyllus var. burkei | BURKE'S LUPINE | Native |
Lupinus polyphyllus var. humicola | HOLMGREN'S LUPINE | Native |
Lupinus polyphyllus var. pallidipes (Under Lupinus polyphyllus var. polyphyllus) | | Synonym, in part |
Lupinus polyphyllus var. polyphyllus | MEADOW LUPINE | Native |
Lupinus polyphyllus var. saxosus | ROCK LUPINE | Native |
Lupinus pratensis | | Native |
Lupinus pratensis var. eriostachyus | HAIRY BANNERED INYO MEADOW LUPINE | Native |
Lupinus pratensis var. pratensis | INYO MEADOW LUPINE | Native |
Lupinus pusillus var. intermontanus | INTERMOUNTAIN LUPINE | Native |
Lupinus rivularis | RIVERBANK LUPINE | Native |
Lupinus rivularis (Under Lupinus latifolius) | | Synonym, in part |
Lupinus rostratus (Under Lupinus bicolor) | | Synonym |
Lupinus ruber (Under Lupinus microcarpus var. microcarpus) | | Synonym |
Lupinus saxosus (Under Lupinus polyphyllus var. saxosus) | | Synonym |
Lupinus sellulus subsp. ursinus (Under Lupinus lepidus var. sellulus) | | Synonym |
Lupinus sellulus var. artulus (Under Lupinus lepidus var. sellulus) | | Synonym |
Lupinus sellulus var. sellulus (Under Lupinus lepidus var. sellulus) | | Synonym |
Lupinus sericatus | COBB MOUNTAIN LUPINE | Native |
Lupinus shockleyi | DESERT LUPINE | Native |
Lupinus silvicola (Under Lupinus arbustus) | | Synonym |
Lupinus sonomensis (Under Lupinus formosus var. robustus) | | Synonym |
Lupinus sparsiflorus | COULTER'S LUPINE | Native |
Lupinus sparsiflorus var. brevior (Under Lupinus arizonicus) | | Synonym |
Lupinus spectabilis | SHAGGY HAIR LUPINE | Native |
Lupinus stiversii | HARLEQUIN LUPINE | Native |
Lupinus sublanatus (Under Lupinus argenteus var. argenteus) | | Synonym |
Lupinus subvexus (Under Lupinus microcarpus var. microcarpus) | | Synonym |
Lupinus subvexus var. insularis (Under Lupinus microcarpus var. microcarpus) | | Synonym |
Lupinus subvexus var. phoeniceus (Under Lupinus microcarpus var. microcarpus) | | Synonym |
Lupinus subvexus var. subvexus (Under Lupinus microcarpus var. microcarpus) | | Synonym |
Lupinus subvexus var. transmontanus (Under Lupinus microcarpus var. microcarpus) | | Synonym |
Lupinus succulentus | ARROYO LUPINE | Native |
Lupinus sylvestris (Under Lupinus albicaulis) | | Synonym |
Lupinus tegeticulatus (Under Lupinus breweri var. bryoides) | | Synonym |
Lupinus tegeticulatus var. duranii (Under Lupinus duranii) | | Synonym |
Lupinus tidestromii | TIDESTROM'S LUPINE | Native |
Lupinus tracyi | TRACY'S LUPINE | Native |
Lupinus truncatus | TRUNCATED LEAF LUPINE | Native |
Lupinus uncialis | LILLIPUT LUPINE | Native |
Lupinus vallicola (Under Lupinus nanus) | | Synonym |
Lupinus variicolor (Under Lupinus littoralis var. variicolor) | | Synonym |
Lupinus violaceus (Under Lupinus onustus) | | Synonym |
Lupinus viridifolius (Under Lupinus latifolius var. viridifolius) | | Synonym |
Luzula ↳ Key to Luzula | HAIRY WOOD RUSH | |
Luzula campestris subsp. sudetica (Under Luzula orestera) | | Illegitimate name |
Luzula campestris var. columbiana (Under Luzula cascadensis) | | Synonym |
Luzula campestris var. comosa (Under Luzula comosa) | | Synonym |
Luzula campestris var. congesta (Under Luzula orestera) | | Misapplied name |
Luzula campestris var. macrantha (Under Luzula macrantha) | | Synonym |
Luzula cascadensis | | Native |
Luzula comosa | | Native |
Luzula comosa var. comosa | | Native |
Luzula comosa var. congesta (Under Luzula comosa var. comosa) | | Misapplied name |
Luzula comosa var. laxa | | Native |
Luzula comosa var. macrantha (Under Luzula macrantha) | | Synonym |
Luzula comosa var. subsessilis (Under Luzula subsessilis) | | Synonym |
Luzula congesta (Under Luzula comosa var. comosa) | | Misapplied name |
Luzula congesta (Under Luzula orestera) | | Misapplied name |
Luzula divaricata | | Native |
Luzula glabrata (Under Luzula piperi) | | Misapplied name |
Luzula macrantha | | Native |
Luzula multiflora subsp. comosa (Under Luzula comosa) | | Synonym |
Luzula multiflora subsp. congesta (Under Luzula orestera) | | Misapplied name |
Luzula multiflora var. comosa (Under Luzula comosa) | | Synonym |
Luzula multiflora var. congesta (Under Luzula orestera) | | Misapplied name |
Luzula orestera | | Native |
Luzula parviflora | | Native |
Luzula parviflora subsp. divaricata (Under Luzula divaricata) | | Synonym |
Luzula parviflora subsp. fastigiata (Under Luzula parviflora) | | Synonym |
Luzula parviflora subsp. melanocarpa (Under Luzula parviflora) | | Synonym |
Luzula parviflora var. divaricata (Under Luzula divaricata) | | Synonym |
Luzula parviflora var. fastigiata (Under Luzula parviflora) | | Synonym |
Luzula parviflora var. melanocarpa (Under Luzula parviflora) | | Synonym |
Luzula parviflora var. parviflora (Under Luzula parviflora) | | Synonym |
Luzula parviflora var. subcongesta (Under Luzula subcongesta) | | Synonym |
Luzula piperi | | Native |
Luzula spadicea var. subcongesta (Under Luzula subcongesta) | | Synonym |
Luzula spicata subsp. saximontana (Under Luzula spicata subsp. spicata) | | Synonym |
Luzula spicata subsp. spicata | | Native |
Luzula spicata var. nova (Under Luzula spicata subsp. spicata) | | Synonym |
Luzula subcongesta | | Native |
Luzula subsessilis | | Native |
Luzula sudetica (Under Luzula orestera) | | Misapplied name |
Luzula wahlenbergii subsp. piperi (Under Luzula piperi) | | Synonym |
Lychnis | CAMPION | |
Lychnis alba (Under Silene latifolia) | | Synonym |
Lychnis coronaria | ROSE CAMPION | Naturalized |
Lycium ↳ Key to Lycium | BOX-THORN, WOLFBERRY | |
Lycium andersonii | | Native |
Lycium andersonii var. deserticola (Under Lycium andersonii) | | Synonym |
Lycium barbarum | MATRIMONY VINE | Naturalized |
Lycium brevipes | | Native |
Lycium brevipes var. brevipes | | Native |
Lycium brevipes var. hassei | SANTA CATALINA ISLAND DESERT-THORN | Native |
Lycium californicum | CALIFORNIA BOX-THORN | Native |
Lycium cooperi | | Native |
Lycium fremontii | | Native |
Lycium halimifolium (Under Lycium barbarum) | | Synonym |
Lycium hassei (Under Lycium brevipes var. hassei) | | Synonym |
Lycium pallidum var. oligospermum | | Native |
Lycium parishii | PARISH'S DESERT-THORN | Native |
Lycium torreyi | | Native |
Lycium verrucosum | SAN NICOLAS ISLAND DESERT-THORN | Native |
Lycopersicon ↳ Key to Lycopersicon | | |
Lycopersicon esculentum | TOMATO | Naturalized |
Lycopersicon peruvianum | | Naturalized |
Lycopodiaceae ↳ Key to Lycopodiaceae | CLUB-MOSS FAMILY | |
Lycopodiella | BOG CLUB-MOSS | |
Lycopodiella inundata | INUNDATED BOG CLUB-MOSS | Native |
Lycopodium | RUNNING-PINE, CLUB-MOSS | |
Lycopodium clavatum | RUNNING-PINE | Native |
Lycopodium inundatum (Under Lycopodiella inundata) | | Synonym |
Lycopus ↳ Key to Lycopus | BUGLEWEED | |
Lycopus americanus | | Native |
Lycopus asper | | Native |
Lycopus lucidus (Under Lycopus asper) | | Unabridged misapplied name |
Lycopus uniflorus | NORTHERN BUGLEWEED | Native |
Lycurus phleoides (Under Muhlenbergia alopecuroides) | | Misapplied name |
Lycurus setosus (Under Muhlenbergia alopecuroides) | | Synonym |
Lygodesmia exigua (Under Prenanthella exigua) | | Synonym |
Lyonothamnus | CATALINA IRONWOOD | |
Lyonothamnus floribundus ↳ Key to Lyonothamnus floribundus | | Native |
Lyonothamnus floribundus subsp. aspleniifolius | SANTA CRUZ ISLAND IRONWOOD | Native |
Lyonothamnus floribundus subsp. floribundus | SANTA CATALINA ISLAND IRONWOOD | Native |
Lyonothamnus floribundus var. aspleniifolius (Under Lyonothamnus floribundus subsp. aspleniifolius) | | Synonym |
Lyrocarpa | | |
Lyrocarpa coulteri | COULTER'S LYREPOD | Native |
Lyrocarpa coulteri var. coulteri (Under Lyrocarpa coulteri) | | Synonym |
Lyrocarpa coulteri var. palmeri (Under Lyrocarpa coulteri) | | Synonym |
Lysichiton | | |
Lysichiton americanum (Under Lysichiton americanus) | | Orthographic variant |
Lysichiton americanus | YELLOW SKUNK-CABBAGE | Native |
Lysimachia ↳ Key to Lysimachia | LOOSESTRIFE | |
Lysimachia arvensis | SCARLET PIMPERNEL | Naturalized |
Lysimachia europaea | ARCTIC STARFLOWER | Native |
Lysimachia latifolia | PACIFIC STARFLOWER | Native |
Lysimachia maritima | SEA MILKWORT | Native |
Lysimachia minima | CHAFFWEED | Native |
Lysimachia monelli | FLAXLEAF PIMPERNEL | Waif |
Lysimachia nummularia | CREEPING-JENNY | Naturalized |
Lysimachia thyrsiflora | TUFTED LOOSESTRIFE | Native |
Lythraceae ↳ Key to Lythraceae | LOOSESTRIFE FAMILY | |
Lythrum ↳ Key to Lythrum | LOOSESTRIFE | |
Lythrum alatum var. linearifolium (Under Lythrum californicum) | | Synonym |
Lythrum californicum | CALIFORNIA LOOSESTRIFE | Native |
Lythrum hyssopifolia | | Naturalized |
Lythrum portula | | Naturalized |
Lythrum salicaria | PURPLE LOOSESTRIFE | Naturalized |
Lythrum sanfordii (Under Lythrum californicum) | | Synonym |
Lythrum tribracteatum | | Naturalized |
Machaeranthera | TANSY-ASTER | |
Machaeranthera arida (Under Leucosyris arida) | | Synonym |
Machaeranthera asteroides (Under Dieteria asteroides) | | Synonym |
Machaeranthera asteroides var. asteroides (Under Dieteria asteroides var. asteroides) | | Synonym |
Machaeranthera asteroides var. lagunensis (Under Dieteria asteroides var. lagunensis) | | Synonym |
Machaeranthera canescens subsp. canescens (Under Dieteria canescens var. canescens) | | Synonym |
Machaeranthera canescens var. canescens (Under Dieteria canescens var. canescens) | | Synonym |
Machaeranthera canescens var. incana (Under Dieteria canescens var. incana) | | Synonym |
Machaeranthera canescens var. leucanthemifolia (Under Dieteria canescens var. leucanthemifolia) | | Synonym |
Machaeranthera canescens var. shastensis (Under Dieteria canescens var. shastensis) | | Synonym |
Machaeranthera canescens var. ziegleri (Under Dieteria canescens var. ziegleri) | | Synonym |
Machaeranthera carnosa (Under Leucosyris carnosa) | | Synonym |
Machaeranthera carnosa var. intricata (Under Leucosyris carnosa) | | Synonym |
Machaeranthera cognata (Under Xylorhiza cognata) | | Synonym |
Machaeranthera gracilis (Under Xanthisma gracile) | | Synonym |
Machaeranthera juncea (Under Xanthisma junceum) | | Synonym |
Machaeranthera orcuttii (Under Xylorhiza orcuttii) | | Synonym |
Machaeranthera pinnatifida subsp. gooddingii (Under Xanthisma spinulosum var. gooddingii) | | Synonym, in part |
Machaeranthera pinnatifida var. gooddingii (Under Xanthisma spinulosum var. gooddingii) | | Synonym |
Machaeranthera tanacetifolia | | Native |
Machaeranthera tephrodes (Under Dieteria asteroides var. asteroides) | | Synonym |
Machaerocarpus californicus (Under Damasonium californicum) | | Synonym |
Maclura | OSAGE ORANGE | |
Maclura pomifera | | Naturalized |
Macrocalyx bipinnatifidus (Under Eucrypta chrysanthemifolia var. bipinnatifida) | | Synonym |
Macrocalyx chrysanthemifolius (Under Eucrypta chrysanthemifolia var. chrysanthemifolia) | | Synonym |
Macrocalyx micranthus (Under Eucrypta micrantha) | | Synonym |
Macroscapa volubilis (Under Dichelostemma volubile) | | Synonym |
Madia ↳ Key to Madia | TARWEED, TARPLANT | |
Madia anomala | | Native |
Madia bolanderi (Under Kyhosia bolanderi) | | Synonym |
Madia capitata (Under Madia sativa) | | Synonym |
Madia citrigracilis | | Native |
Madia citriodora | | Native |
Madia doris-nilesiae (Under Harmonia doris-nilesiae) | | Synonym |
Madia elegans | COMMON MADIA | Native |
Madia elegans subsp. densifolia (Under Madia elegans) | | Synonym |
Madia elegans subsp. vernalis (Under Madia elegans) | | Synonym |
Madia elegans subsp. wheeleri (Under Madia elegans) | | Synonym |
Madia exigua | | Native |
Madia glomerata | MOUNTAIN TARWEED | Native |
Madia gracilis | GUMWEED | Native |
Madia gracilis subsp. collina (Under Madia gracilis) | | Synonym |
Madia gracilis subsp. pilosa (Under Madia gracilis) | | Synonym |
Madia hallii (Under Harmonia hallii) | | Synonym |
Madia madioides (Under Anisocarpus madioides) | | Synonym |
Madia minima (Under Hemizonella minima) | | Synonym |
Madia nutans (Under Harmonia nutans) | | Synonym |
Madia radiata | SHOWY GOLDEN MADIA | Native |
Madia rammii (Under Jensia rammii) | | Synonym |
Madia sativa | COAST TARWEED | Native |
Madia stebbinsii (Under Harmonia stebbinsii) | | Synonym |
Madia subspicata | | Native |
Madia yosemitana (Under Jensia yosemitana) | | Synonym |
Mahonia dictyota (Under Berberis aquifolium var. dictyota) | | Synonym |
Mahonia fremontii (Under Berberis fremontii) | | Synonym |
Mahonia haematocarpa (Under Berberis haematocarpa) | | Synonym |
Mahonia higginsiae (Under Berberis higginsiae) | | Synonym |
Mahonia nervosa var. mendocinensis (Under Berberis nervosa) | | Synonym |
Mahonia nevinii (Under Berberis nevinii) | | Synonym |
Mahonia pinnata subsp. insularis (Under Berberis pinnata subsp. insularis) | | Synonym |
Mahonia pinnata subsp. pinnata (Under Berberis pinnata subsp. pinnata) | | Synonym |
Mahonia repens (Under Berberis aquifolium var. repens) | | Synonym |
Mahonia sonnei (Under Berberis aquifolium var. repens) | | Synonym |
Maianthemum ↳ Key to Maianthemum | FALSE LILY-OF-THE-VALLEY, FALSE SOLOMON'S SEAL | |
Maianthemum dilatatum | | Native |
Maianthemum racemosum | | Native |
Maianthemum racemosum subsp. amplexicaule (Under Maianthemum racemosum) | | Synonym |
Maianthemum stellatum | | Native |
Malacomeris incanus (Under Malacothrix incana) | | Synonym |
Malacothamnus ↳ Key to Malacothamnus | BUSHMALLOW | |
Malacothamnus abbottii | ABBOTT'S BUSHMALLOW | Native |
Malacothamnus aboriginum | INDIAN VALLEY BUSHMALLOW | Native |
Malacothamnus arcuatus | BEWILDERING BUSHMALLOW | Native |
Malacothamnus arcuatus var. arcuatus | WESTERN BEWILDERING BUSHMALLOW, ARCUATE BUSHMALLOW | Native |
Malacothamnus arcuatus var. elmeri | EASTERN BEWILDERING BUSHMALLOW, HALL'S BUSHMALLOW | Native |
Malacothamnus astrotentaculatus | STARRY-TENTACLED BUSHMALLOW | Native |
Malacothamnus clementinus | SAN CLEMENTE ISLAND BUSHMALLOW | Native |
Malacothamnus davidsonii | TUJUNGA BUSHMALLOW, DAVIDSON'S BUSHMALLOW | Native |
Malacothamnus densiflorus | | Native |
Malacothamnus densiflorus var. densiflorus | FEW-RAYED BUSHMALLOW | Native |
Malacothamnus densiflorus var. viscidus | EMERALD UNICORN BUSHMALLOW | Native |
Malacothamnus discombobulatus | DISCOMBOBULATING BUSHMALLOW | Native |
Malacothamnus eastwoodiae | ALICE'S LOVELY BUSHMALLOW | Native |
Malacothamnus enigmaticus | ENIGMATIC BUSHMALLOW | Native |
Malacothamnus fasciculatus | | Native |
Malacothamnus fasciculatus subsp. catalinensis (Under Malacothamnus fasciculatus var. catalinensis) | | Synonym |
Malacothamnus fasciculatus subsp. laxiflorus (Under Malacothamnus fasciculatus var. laxiflorus) | | Synonym |
Malacothamnus fasciculatus var. catalinensis | SANTA CATALINA ISLAND BUSHMALLOW | Native |
Malacothamnus fasciculatus var. fasciculatus | SOUTHERN COASTAL BUSHMALLOW | Native |
Malacothamnus fasciculatus var. laxiflorus | SPLENDID BUSHMALLOW | Native |
Malacothamnus fasciculatus var. nesioticus | SANTA CRUZ ISLAND BUSHMALLOW | Native |
Malacothamnus fasciculatus var. nuttallii (Under Malacothamnus nuttallii) | | Synonym |
Malacothamnus foliosus | ENSENADA BUSHMALLOW | Naturalized |
Malacothamnus fremontii | UNFURLED BUSHMALLOW | Native |
Malacothamnus fremontii subsp. cercophorus (Under Malacothamnus fremontii var. fremontii) | | Synonym |
Malacothamnus fremontii var. exfibulosus | SHORT-HAIRED UNFURLED BUSHMALLOW, HELLER'S BUSHMALLOW | Native |
Malacothamnus fremontii var. fremontii | LONG-HAIRED UNFURLED BUSHMALLOW | Native |
Malacothamnus gracilis (Under Malacothamnus jonesii var. gracilis) | | Synonym |
Malacothamnus hallii (Under Malacothamnus arcuatus var. elmeri) | | Synonym |
Malacothamnus helleri (Under Malacothamnus fremontii var. exfibulosus) | | Synonym |
Malacothamnus howellii (Under Malacothamnus fremontii var. fremontii) | | Synonym |
Malacothamnus involucratus | CARMEL VALLEY BUSHMALLOW | Native |
Malacothamnus jonesii | | Native |
Malacothamnus jonesii var. gracilis | HUASNA BUSHMALLOW, SLENDER BUSHMALLOW | Native |
Malacothamnus jonesii var. jonesii | JONES'S BUSHMALLOW | Native |
Malacothamnus jonesii var. niveus | FRAGRANT-SNOW BUSHMALLOW | Native |
Malacothamnus lucianus | SANTA LUCIA BUSHMALLOW, ARROYO SECO BUSHMALLOW | Native |
Malacothamnus marrubioides | SANTA CLARITA BUSHMALLOW | Native |
Malacothamnus mendocinensis | MENDOCINO BUSHMALLOW | Native |
Malacothamnus nesioticus (Under Malacothamnus fasciculatus var. nesioticus) | | Synonym |
Malacothamnus niveus (Under Malacothamnus jonesii var. niveus) | | Synonym |
Malacothamnus nuttallii | OJAI BUSHMALLOW | Native |
Malacothamnus orbiculatus | TEHACHAPI BUSHMALLOW | Native |
Malacothamnus orbiculatus subsp. clementinus (Under Malacothamnus clementinus) | | Synonym |
Malacothamnus palmeri | CAMBRIA BUSHMALLOW | Native |
Malacothamnus palmeri var. involucratus (Under Malacothamnus involucratus) | | Synonym |
Malacothamnus palmeri var. lucianus (Under Malacothamnus lucianus) | | Synonym |
Malacothamnus paniculatus (Under Malacothamnus foliosus) | | Synonym |
Malacothamnus parishii (Under Malacothamnus fasciculatus var. laxiflorus) | | Synonym |
Malacothrix ↳ Key to Malacothrix | | |
Malacothrix altissima (Under Malacothrix saxatilis var. tenuifolia) | | Synonym |
Malacothrix californica | | Native |
Malacothrix clevelandii | | Native |
Malacothrix coulteri | SNAKE'S-HEAD | Native |
Malacothrix coulteri var. cognata (Under Malacothrix coulteri) | | Synonym |
Malacothrix floccifera | | Native |
Malacothrix foliosa | | Native |
Malacothrix foliosa subsp. crispifolia | WAVY-LEAVED MALACOTHRIX | Native |
Malacothrix foliosa subsp. foliosa | LEAFY MALACOTHRIX | Native |
Malacothrix foliosa subsp. philbrickii | PHILBRICK'S MALACOTHRIX | Native |
Malacothrix foliosa subsp. polycephala | MANY-HEADED MALACOTHRIX | Native |
Malacothrix glabrata | DESERT DANDELION | Native |
Malacothrix incana | DUNEDELION | Native |
Malacothrix incana var. succulenta (Under Malacothrix incana) | | Synonym |
Malacothrix indecora | SANTA CRUZ ISLAND MALACOTHRIX | Native |
Malacothrix junakii | JUNAK'S MALACOTHRIX | Native |
Malacothrix phaeocarpa | DUSKY-FRUITED MALACOTHRIX | Native |
Malacothrix saxatilis | | Native |
Malacothrix saxatilis var. altissima (Under Malacothrix saxatilis var. tenuifolia) | | Synonym |
Malacothrix saxatilis var. arachnoidea | CARMEL VALLEY MALACOTHRIX | Native |
Malacothrix saxatilis var. commutata | | Native |
Malacothrix saxatilis var. implicata | | Native |
Malacothrix saxatilis var. saxatilis | CLIFF MALACOTHRIX | Native |
Malacothrix saxatilis var. tenuifolia | | Native |
Malacothrix senecioides (Under Malacothrix clevelandii) | | Synonym |
Malacothrix similis | MEXICAN MALACOTHRIX | Native |
Malacothrix sonchoides | | Native |
Malacothrix squalida | ISLAND MALACOTHRIX | Native |
Malacothrix stebbinsii | | Native |
Malacothrix torreyi | | Native |
Malaxis | | |
Malaxis brachypoda (Under Malaxis monophyllos var. brachypoda) | | Synonym |
Malaxis monophyllos subsp. brachypoda (Under Malaxis monophyllos var. brachypoda) | | Synonym |
Malaxis monophyllos var. brachypoda | WHITE BOG ADDER'S-MOUTH | Native |
Malcolmia africana (Under Strigosella africana) | | Synonym |
Malephora | | |
Malephora crocea | | Naturalized |
Malephora purpureo-crocea (Under Malephora crocea) | | Synonym |
Malosma | | |
Malosma laurina | LAUREL SUMAC | Native |
Malperia | | |
Malperia tenuis | BROWN TURBANS | Native |
Malus ↳ Key to Malus | | |
Malus domestica (Under Malus pumila) | | Synonym |
Malus fusca | OREGON CRAB APPLE | Native |
Malus pumila | APPLE | Naturalized |
Malus pumila var. domestica (Under Malus pumila) | | Synonym |
Malus sylvestris (Under Malus pumila) | | Misapplied name |
Malva ↳ Key to Malva | MALLOW | |
Malva arborea | TREE MALLOW | Naturalized |
Malva assurgentiflora | ISLAND MALLOW | Native |
Malva assurgentiflora subsp. assurgentiflora (Under Malva assurgentiflora) | | Synonym ined. |
Malva assurgentiflora subsp. glabra (Under Malva assurgentiflora) | | Synonym ined. |
Malva crispa (Under Malva verticillata var. crispa) | | Synonym |
Malva dendromorpha (Under Malva arborea) | | Superfluous name |
Malva fasciculata (Under Malacothamnus fasciculatus var. fasciculatus) | | Synonym |
Malva linnaei (Under Malva multiflora) | | Superfluous name |
Malva multiflora | CRETAN MALLOW | Naturalized |
Malva neglecta | COMMON MALLOW | Naturalized |
Malva nicaeensis | BULL MALLOW | Naturalized |
Malva parviflora | CHEESEWEED, LITTLE MALLOW | Naturalized |
Malva pseudolavatera (Under Malva multiflora) | | Synonym |
Malva sylvestris | HIGH MALLOW | Naturalized |
Malva sylvestris var. mauritiana (Under Malva sylvestris) | | Synonym |
Malva verticillata var. crispa | CRISPED MALLOW, CURLED MALLOW | Garden and urban weed |
Malvaceae ↳ Key to Malvaceae | MALLOW FAMILY | |
Malvastrum abbottii (Under Malacothamnus abbottii) | | Synonym |
Malvastrum aboriginum (Under Malacothamnus aboriginum) | | Synonym |
Malvastrum arcuatum (Under Malacothamnus arcuatus var. arcuatus) | | Synonym |
Malvastrum capense (Under Anisodontea capensis) | | Synonym |
Malvastrum catalinense (Under Malacothamnus fasciculatus var. catalinensis) | | Synonym |
Malvastrum clementinum (Under Malacothamnus clementinus) | | Synonym |
Malvastrum davidsonii (Under Malacothamnus davidsonii) | | Synonym |
Malvastrum densiflorum (Under Malacothamnus densiflorus var. densiflorus) | | Synonym |
Malvastrum dudleyi (Under Malacothamnus jonesii var. jonesii) | | Synonym |
Malvastrum exilis (Under Eremalche exilis) | | Synonym |
Malvastrum fasciculatum (Under Malacothamnus fasciculatus var. fasciculatus) | | Synonym |
Malvastrum fasciculatum var. catalinense (Under Malacothamnus fasciculatus var. catalinensis) | | Synonym |
Malvastrum fasciculatum var. laxiflorum (Under Malacothamnus fasciculatus var. laxiflorus) | | Synonym |
Malvastrum fasciculatum var. nesioticum (Under Malacothamnus fasciculatus var. nesioticus) | | Synonym |
Malvastrum fasciculatum var. nuttallii (Under Malacothamnus nuttallii) | | Synonym |
Malvastrum foliosum (Under Malacothamnus foliosus) | | Synonym |
Malvastrum fremontii (Under Malacothamnus fremontii var. fremontii) | | Synonym |
Malvastrum fremontii subsp. exfibulosum (Under Malacothamnus fremontii var. exfibulosus) | | Synonym |
Malvastrum fremontii var. cercophorum (Under Malacothamnus fremontii var. fremontii) | | Synonym |
Malvastrum fremontii var. helleri (Under Malacothamnus fremontii var. exfibulosus) | | Synonym |
Malvastrum fremontii var. niveum (Under Malacothamnus jonesii var. niveus) | | Synonym |
Malvastrum fremontii var. orbiculatum (Under Malacothamnus orbiculatus) | | Synonym |
Malvastrum gabrielense (Under Malacothamnus marrubioides) | | Synonym |
Malvastrum gracile (Under Malacothamnus jonesii var. gracilis) | | Synonym |
Malvastrum hallii (Under Malacothamnus arcuatus var. elmeri) | | Synonym |
Malvastrum helleri (Under Malacothamnus fremontii var. exfibulosus) | | Synonym |
Malvastrum howellii (Under Malacothamnus fremontii var. fremontii) | | Synonym |
Malvastrum howellii var. cordatum (Under Malacothamnus fremontii var. fremontii) | | Synonym |
Malvastrum involucratum (Under Malacothamnus involucratus) | | Synonym |
Malvastrum jonesii (Under Malacothamnus jonesii var. jonesii) | | Synonym |
Malvastrum kernense (Under Eremalche parryi subsp. kernensis) | | Synonym |
Malvastrum marrubioides (Under Malacothamnus marrubioides) | | Synonym |
Malvastrum marrubioides var. paniculatum (Under Malacothamnus foliosus) | | Synonym |
Malvastrum mendocinense (Under Malacothamnus mendocinensis) | | Synonym |
Malvastrum nesioticum (Under Malacothamnus fasciculatus var. nesioticus) | | Synonym |
Malvastrum nesioticum subsp. nuttallii (Under Malacothamnus nuttallii) | | Synonym |
Malvastrum niveum (Under Malacothamnus jonesii var. niveus) | | Synonym |
Malvastrum nuttallii (Under Malacothamnus nuttallii) | | Synonym |
Malvastrum orbiculatum (Under Malacothamnus orbiculatus) | | Synonym |
Malvastrum palmeri (Under Malacothamnus palmeri) | | Synonym |
Malvastrum paniculatum (Under Malacothamnus foliosus) | | Synonym |
Malvastrum parishii (Under Malacothamnus fasciculatus var. laxiflorus) | | Synonym |
Malvastrum rotundifolium (Under Eremalche rotundifolia) | | Synonym |
Malvastrum splendidum (Under Malacothamnus fasciculatus var. laxiflorus) | | Synonym |
Malvastrum thurberi (Under Malacothamnus fasciculatus var. fasciculatus) | | Synonym |
Malvastrum thurberi var. laxiflorum (Under Malacothamnus fasciculatus var. laxiflorus) | | Synonym |
Malvastrum viscidum (Under Malacothamnus densiflorus var. viscidus) | | Synonym |
Malvella | | |
Malvella leprosa | ALKALI-MALLOW, WHITE-WEED | Native |
Malveopsis arcuata (Under Malacothamnus arcuatus var. arcuatus) | | Synonym |
Malveopsis fasciculata (Under Malacothamnus fasciculatus var. fasciculatus) | | Synonym |
Malveopsis fremontii (Under Malacothamnus fremontii var. fremontii) | | Synonym |
Malveopsis splendida (Under Malacothamnus fasciculatus var. laxiflorus) | | Synonym |
Mammillaria ↳ Key to Mammillaria | FISHHOOK CACTUS | |
Mammillaria alversonii (Under Escobaria alversonii) | | Synonym |
Mammillaria deserti (Under Escobaria chlorantha) | | Synonym |
Mammillaria dioica | | Native |
Mammillaria dioica var. incerta (Under Mammillaria dioica) | | Synonym |
Mammillaria grahamii var. grahamii | GRAHAM'S FISHHOOK CACTUS | Native |
Mammillaria microcarpa (Under Mammillaria grahamii var. grahamii) | | Synonym |
Mammillaria milleri (Under Mammillaria grahamii var. grahamii) | | Synonym |
Mammillaria tetrancistra | | Native |
Marah ↳ Key to Marah | MAN-ROOT, WILD CUCUMBER | |
Marah fabacea | CALIFORNIA MAN-ROOT | Native |
Marah fabacea var. agrestis (Under Marah fabacea) | | Synonym |
Marah fabaceus (Under Marah fabacea) | | Orthographic variant |
Marah guadalupensis (Under Marah macrocarpa) | | Synonym |
Marah horrida | SIERRA MAN-ROOT | Native |
Marah horridus (Under Marah horrida) | | Orthographic variant |
Marah macrocarpa | CHILICOTHE | Native |
Marah macrocarpa var. macrocarpa (Under Marah macrocarpa) | | Synonym |
Marah macrocarpa var. major (Under Marah macrocarpa) | | Synonym |
Marah macrocarpa var. micrantha (Under Marah macrocarpa) | | Synonym |
Marah macrocarpus (Under Marah macrocarpa) | | Orthographic variant |
Marah macrocarpus var. macrocarpus (Under Marah macrocarpa) | | Orthographic variant |
Marah macrocarpus var. major (Under Marah macrocarpa) | | Orthographic variant |
Marah macrocarpus var. micranthus (Under Marah macrocarpa) | | Orthographic variant |
Marah oregana | COAST MAN-ROOT | Native |
Marah oreganus (Under Marah oregana) | | Orthographic variant |
Marah watsonii | TAW MAN-ROOT | Native |
Marina ↳ Key to Marina | | |
Marina orcuttii var. orcuttii | CALIFORNIA MARINA | Native |
Marina parryi | | Native |
Marrubium | HOREHOUND | |
Marrubium vulgare | | Naturalized |
Marsilea ↳ Key to Marsilea | WATER-CLOVER | |
Marsilea oligospora | | Native |
Marsilea vestita subsp. vestita | | Native |
Marsilea vestita var. oligospora (Under Marsilea oligospora) | | Synonym |
Marsileaceae ↳ Key to Marsileaceae | MARSILEA FAMILY | |
Martyniaceae | UNICORN-PLANT FAMILY | |
Maruta cotula (Under Anthemis cotula) | | Synonym |
Matelea | | |
Matelea parvifolia | SPEARLEAF | Native |
Matricaria ↳ Key to Matricaria | | |
Matricaria chamomilla | GERMAN CHAMOMILE | Naturalized |
Matricaria discoidea | PINEAPPLE WEED, RAYLESS CHAMOMILE | Native |
Matricaria globifera (Under Oncosiphon pilulifer) | | Synonym |
Matricaria inodora (Under Tripleurospermum inodorum) | | Synonym |
Matricaria matricarioides (Under Matricaria discoidea) | | Misapplied name |
Matricaria occidentalis | VALLEY MAYWEED | Native |
Matthiola | STOCK | |
Matthiola incana | | Naturalized |
Maurandella | | |
Maurandella antirrhiniflora | VIOLET TWINING SNAPDRAGON | Native |
Maurandya antirrhiniflora (Under Maurandella antirrhiniflora) | | Synonym |
Maurandya antirrhiniflora subsp. antirrhiniflora (Under Maurandella antirrhiniflora) | | Synonym |
Maurandya petrophila (Under Holmgrenanthe petrophila) | | Synonym |
Mauranthemum | | |
Mauranthemum paludosum | MINI-MARGUERITE | Waif |
Maytenus | MAITEN | |
Maytenus boaria | MAITEN TREE | Naturalized |
Meconella ↳ Key to Meconella | | |
Meconella californica | | Native |
Meconella denticulata | | Native |
Meconella linearis (Under Hesperomecon linearis) | | Synonym |
Meconella oregana | OREGON MECONELLA | Native |
Meconella oregana var. denticulata (Under Meconella denticulata) | | Synonym |
Medicago ↳ Key to Medicago | ALFALFA, MEDICK | |
Medicago arabica | BURCLOVER, SPOTTED BURCLOVER | Naturalized |
Medicago hispida (Under Medicago polymorpha) | | Synonym |
Medicago hispida var. confinis (Under Medicago polymorpha) | | Synonym |
Medicago hispida var. hispida (Under Medicago polymorpha) | | Synonym |
Medicago lupulina | BLACK MEDICK | Naturalized |
Medicago lupulina var. cupaniana (Under Medicago lupulina) | | Synonym |
Medicago minima | BURCLOVER | Naturalized |
Medicago minima subsp. brevispina (Under Medicago polymorpha) | | Synonym |
Medicago minima var. brevispina (Under Medicago polymorpha) | | Synonym |
Medicago muricata (Under Medicago truncatula) | | Misapplied name |
Medicago orbicularis | | Agricultural, garden, or urban weed |
Medicago polymorpha | CALIFORNIA BURCLOVER | Naturalized |
Medicago polymorpha var. brevispina (Under Medicago polymorpha) | | Synonym |
Medicago polymorpha var. minima (Under Medicago minima) | | Synonym |
Medicago praecox | | Naturalized |
Medicago rigidula | TIFTON MEDICK, TIFTON BURCLOVER | Naturalized |
Medicago sativa | ALFALFA | Naturalized |
Medicago sativa subsp. falcata (Under Medicago sativa) | | Synonym |
Medicago sativa subsp. sativa (Under Medicago sativa) | | Synonym |
Medicago scutellata | SNAIL MEDICK | Waif |
Medicago truncatula | BARREL MEDICK, BARREL CLOVER | Naturalized |
Melaleuca ↳ Key to Melaleuca | BOTTLEBRUSH | |
Melaleuca citrina | CRIMSON BOTTLEBRUSH | Waif |
Melaleuca viminalis | WEEPING BOTTLEBRUSH | Naturalized |
Melanthiaceae ↳ Key to Melanthiaceae | FALSE-HELLEBORE FAMILY | |
Melia | BEAD TREE | |
Melia azedarach | CHINA BERRY, PERSIAN LILAC | Naturalized |
Meliaceae | MAHOGANY FAMILY | |
Melica ↳ Key to Melica | ONIONGRASS, MELIC | |
Melica aristata | AWNED MELIC | Native |
Melica bulbosa | ONIONGRASS | Native |
Melica californica | CALIFORNIA MELIC | Native |
Melica frutescens | WOODY MELIC | Native |
Melica fugax | LITTLE MELIC | Native |
Melica geyeri | GEYER'S ONIONGRASS | Native |
Melica geyeri var. aristulata (Under Melica geyeri) | | Synonym |
Melica geyeri var. geyeri (Under Melica geyeri) | | Synonym |
Melica harfordii | | Native |
Melica imperfecta | LITTLE CALIFORNIA MELICA | Native |
Melica spectabilis | PURPLE ONIONGRASS | Native |
Melica stricta | ROCK MELIC | Native |
Melica stricta var. albicaulis (Under Melica stricta) | | Synonym |
Melica stricta var. stricta (Under Melica stricta) | | Synonym |
Melica subulata | ALASKAN ONIONGRASS | Native |
Melica torreyana | TORREY'S MELIC | Native |
Melilotus ↳ Key to Melilotus | SWEETCLOVER | |
Melilotus alba (Under Melilotus albus) | | Orthographic variant |
Melilotus albus | WHITE SWEETCLOVER | Naturalized |
Melilotus indica (Under Melilotus indicus) | | Orthographic variant |
Melilotus indicus | SOURCLOVER | Naturalized |
Melilotus officinalis | YELLOW SWEETCLOVER | Naturalized |
Melinis | | |
Melinis repens subsp. repens | NATAL GRASS, RUBY GRASS | Naturalized |
Melissa | | |
Melissa officinalis | LEMON BALM | Naturalized |
Menodora ↳ Key to Menodora | | |
Menodora scabra | ROUGH MENODORA | Native |
Menodora scabra var. glabrescens | | Native |
Menodora scabra var. scabra | | Native |
Menodora scoparia (Under Menodora scabra var. glabrescens) | | Synonym |
Menodora spinescens | | Native |
Menodora spinescens var. mohavensis | | Native |
Menodora spinescens var. spinescens | | Native |
Mentha ↳ Key to Mentha | MINT | |
Mentha ×gracilis | SCOTCH SPEARMINT | Naturalized |
Mentha ×piperita | PEPPERMINT | Naturalized |
Mentha ×rotundifolia | APPLE MINT | Naturalized |
Mentha ×smithiana | REDSTEM MINT | Naturalized |
Mentha ×villosa | APPLE MINT | Naturalized |
Mentha aquatica | WATERMINT | Naturalized |
Mentha arvensis | FIELD MINT | Naturalized |
Mentha arvensis var. canadensis (Under Mentha canadensis) | | Synonym |
Mentha arvensis var. villosa (Under Mentha arvensis) | | Synonym |
Mentha arvensis var. villosa (Under Mentha canadensis) | | Synonym |
Mentha canadensis | AMERICAN CORNMINT, JAPANESE PEPPERMINT | Native |
Mentha citrata (Under Mentha aquatica) | | Synonym |
Mentha citrata (Under Mentha ×piperita) | | Unabridged misapplied name |
Mentha gentilis (Under Mentha ×gracilis) | | Unabridged misapplied name |
Mentha longifolia | | Naturalized |
Mentha pulegium | PENNYROYAL | Naturalized |
Mentha rotundifolia (Under Mentha suaveolens) | | Unabridged misapplied name |
Mentha spicata | SPEARMINT | Naturalized |
Mentha suaveolens | PINEAPPLE MINT | Naturalized |
Mentzelia ↳ Key to Mentzelia | BLAZING STAR | |
Mentzelia affinis | | Native |
Mentzelia albicaulis | | Native |
Mentzelia congesta | | Native |
Mentzelia congesta var. davidsoniana (Under Mentzelia congesta) | | Synonym |
Mentzelia crocea | | Native |
Mentzelia desertorum | | Native |
Mentzelia dispersa | | Native |
Mentzelia dispersa var. compacta (Under Mentzelia dispersa) | | Synonym |
Mentzelia dispersa var. dispersa (Under Mentzelia dispersa) | | Synonym |
Mentzelia dispersa var. latifolia (Under Mentzelia dispersa) | | Synonym |
Mentzelia dispersa var. obtusa (Under Mentzelia dispersa) | | Synonym |
Mentzelia eremophila | SOLITARY BLAZING STAR | Native |
Mentzelia gracilenta | | Native |
Mentzelia gracilenta (Under Mentzelia pectinata var. chrysopetala) | | Misapplied name |
Mentzelia hirsutissima | HAIRY STICKLEAF | Native |
Mentzelia hirsutissima var. stenophylla (Under Mentzelia hirsutissima) | | Synonym |
Mentzelia involucrata | | Native |
Mentzelia involucrata var. involucrata (Under Mentzelia involucrata) | | Synonym |
Mentzelia involucrata var. megalantha (Under Mentzelia involucrata) | | Synonym |
Mentzelia inyoensis | INYO BLAZING STAR | Native |
Mentzelia jonesii | | Native |
Mentzelia laevicaulis var. laevicaulis | | Native |
Mentzelia leucophylla (Under Mentzelia oreophila) | | Unabridged misapplied name |
Mentzelia lindleyi | | Native |
Mentzelia lindleyi subsp. crocea (Under Mentzelia crocea) | | Synonym |
Mentzelia longiloba var. longiloba | DUNE BLAZING STAR | Native |
Mentzelia micrantha | | Native |
Mentzelia monoensis | MONO CRATERS BLAZING STAR | Native |
Mentzelia montana | | Native |
Mentzelia multiflora subsp. longiloba (Under Mentzelia longiloba var. longiloba) | | Synonym |
Mentzelia multiflora var. longiloba (Under Mentzelia longiloba var. longiloba) | | Synonym |
Mentzelia nitens | | Native |
Mentzelia obscura | | Native |
Mentzelia oreophila | ARGUS BLAZING STAR | Native |
Mentzelia pectinata | | Native |
Mentzelia pectinata var. chrysopetala | OBISPO BLAZING STAR | Native |
Mentzelia pectinata var. pectinata | SAN JOAQUIN BLAZING STAR | Native |
Mentzelia peirsonii (Under Mentzelia tricuspis) | | Synonym |
Mentzelia pinetorum (Under Mentzelia dispersa) | | Synonym |
Mentzelia polita | POLISHED BLAZING STAR | Native |
Mentzelia pterosperma | WING-SEED BLAZING STAR | Native |
Mentzelia puberula | DARLINGTON'S BLAZING STAR | Native |
Mentzelia ravenii | | Native |
Mentzelia reflexa | | Native |
Mentzelia torreyi | TORREY'S BLAZING STAR | Native |
Mentzelia tricuspis | SPINY-HAIR BLAZING STAR | Native |
Mentzelia tricuspis var. brevicornuta (Under Mentzelia tridentata) | | Synonym |
Mentzelia tridentata | CREAMY BLAZING STAR | Native |
Mentzelia veatchiana | | Native |
Menyanthaceae ↳ Key to Menyanthaceae | BUCKBEAN FAMILY | |
Menyanthes | BUCKBEAN, BOGBEAN | |
Menyanthes trifoliata | | Native |
Menziesia | | |
Menziesia ferruginea | MOCK AZALEA | Native |
Mercurialis | MERCURY | |
Mercurialis annua | | Naturalized |
Mertensia ↳ Key to Mertensia | BLUEBELL | |
Mertensia bella | OREGON LUNGWORT | Native |
Mertensia ciliata var. stomatechoides | STREAMSIDE BLUEBELL | Native |
Mertensia cusickii | TOIYABE BLUEBELLS | Native |
Mertensia longiflora | LONG BLUEBELLS | Native |
Mertensia oblongifolia | SAGEBRUSH BLUEBELL | Native |
Mertensia oblongifolia var. amoena | BEAUTIFUL SAGEBRUSH BLUEBELLS | Native |
Mertensia oblongifolia var. nevadensis | | Native |
Mertensia oblongifolia var. oblongifolia | SAGEBRUSH BLUEBELLS | Native |
Mertensia toiyabensis (Under Mertensia cusickii) | | Synonym |
Mesembryanthemum ↳ Key to Mesembryanthemum | ICEPLANT | |
Mesembryanthemum chilensis (Under Carpobrotus chilensis) | | Synonym |
Mesembryanthemum cordifolium (Under Aptenia cordifolia) | | Synonym |
Mesembryanthemum crystallinum | CRYSTALLINE ICEPLANT | Naturalized |
Mesembryanthemum edule (Under Carpobrotus edulis) | | Synonym |
Mesembryanthemum floribundum (Under Drosanthemum floribundum) | | Synonym |
Mesembryanthemum litorale (Under Delosperma litorale) | | Synonym |
Mesembryanthemum nodiflorum | SLENDER-LEAVED ICEPLANT | Naturalized |
Mesembryanthemum pugioniforme (Under Conicosia pugioniformis) | | Synonym |
Micranthes ↳ Key to Micranthes | SAXIFRAGE | |
Micranthes aprica | | Native |
Micranthes bryophora | | Native |
Micranthes californica | | Native |
Micranthes ferruginea | | Native |
Micranthes fragosa | | Native |
Micranthes howellii | HOWELL'S SAXIFRAGE | Native |
Micranthes integrifolia | | Native |
Micranthes marshallii | | Native |
Micranthes nidifica | | Native |
Micranthes odontoloma | | Native |
Micranthes oregana | | Native |
Micranthes tolmiei | | Native |
Microcala quadrangularis (Under Cicendia quadrangularis) | | Synonym |
Micromonolepis | | |
Micromonolepis pusilla | DWARF MONOLEPIS | Native |
Micropus ↳ Key to Micropus | | |
Micropus amphibolus | MOUNT DIABLO COTTONSEED | Native |
Micropus californicus | Q-TIPS | Native |
Micropus californicus var. californicus | COTTONTOP | Native |
Micropus californicus var. subvestitus | | Native |
Microseris ↳ Key to Microseris | | |
Microseris acuminata | | Native |
Microseris bigelovii | | Native |
Microseris borealis | NORTHERN MICROSERIS | Native |
Microseris campestris | | Native |
Microseris decipiens (Under Stebbinsoseris decipiens) | | Synonym |
Microseris douglasii | | Native |
Microseris douglasii subsp. douglasii | | Native |
Microseris douglasii subsp. platycarpha | SMALL-FLOWERED MICROSERIS | Native |
Microseris douglasii subsp. tenella | | Native |
Microseris elegans | | Native |
Microseris heterocarpa (Under Stebbinsoseris heterocarpa) | | Synonym |
Microseris howellii (Under Microseris laciniata subsp. siskiyouensis) | | Misapplied name |
Microseris laciniata | | Native |
Microseris laciniata subsp. detlingii | DETLING'S SILVERPUFFS | Native |
Microseris laciniata subsp. laciniata | | Native |
Microseris laciniata subsp. leptosepala | | Native |
Microseris laciniata subsp. siskiyouensis | | Native |
Microseris lindleyi (Under Uropappus lindleyi) | | Synonym |
Microseris linearifolia (Under Uropappus lindleyi) | | Synonym |
Microseris nutans | | Native |
Microseris paludosa | MARSH MICROSERIS | Native |
Microseris sylvatica | SYLVAN MICROSERIS | Native |
Microsteris | | |
Microsteris gracilis | | Native |
Microsteris gracilis subsp. gracilis (Under Microsteris gracilis) | | Synonym |
Microsteris gracilis subsp. humilior (Under Microsteris gracilis) | | Synonym ined. |
Microsteris gracilis subsp. humilior (Under Microsteris gracilis) | | Synonym ined. |
Microsteris gracilis subsp. humilis (Under Microsteris gracilis) | | Synonym |
Microsteris gracilis var. gracilis (Under Microsteris gracilis) | | Synonym |
Microsteris gracilis var. humilior (Under Microsteris gracilis) | | Synonym |
Milla capitata (Under Dipterostemon capitatus) | | Synonym |
Milla capitata var. pauciflora (Under Dipterostemon capitatus subsp. pauciflorus) | | Synonym |
Milla crocea (Under Triteleia crocea) | | Synonym |
Milla grandiflora (Under Triteleia grandiflora) | | Synonym |
Milla hyacinthina (Under Triteleia hyacinthina) | | Synonym |
Milla hyacinthina var. lactea (Under Triteleia hyacinthina) | | Synonym |
Milla laxa (Under Triteleia laxa) | | Synonym |
Milla maritima (Under Muilla maritima) | | Synonym |
Milla peduncularis (Under Triteleia peduncularis) | | Synonym |
Milla uniflora (Under Ipheion uniflorum) | | Synonym |
Miltitzia glandulifera (Under Phacelia adenophora) | | Synonym |
Miltitzia glandulifera var. californica (Under Phacelia adenophora) | | Synonym |
Miltitzia inyoensis (Under Phacelia inyoensis) | | Synonym |
Miltitzia parviflora (Under Phacelia inundata) | | Synonym |
Miltitzia pinnatifida (Under Phacelia ivesiana) | | Synonym |
Miltitzia pusilla (Under Phacelia tetramera) | | Synonym |
Miltitzia pusilla var. flagellaris (Under Phacelia tetramera) | | Synonym |
Mimetanthe | DOWNY MIMETANTHE, FALSE MONKEYFLOWER | |
Mimetanthe pilosa | | Native |
Mimulus | MONKEYFLOWER | |
Mimulus acutidens (Under Erythranthe acutidens) | | Synonym |
Mimulus alsinoides (Under Erythranthe alsinoides) | | Synonym |
Mimulus androsaceus (Under Erythranthe androsacea) | | Synonym |
Mimulus angustatus (Under Diplacus angustatus) | | Synonym |
Mimulus angustifolius (Under Diplacus mephiticus) | | Synonym |
Mimulus arenarius (Under Erythranthe arenaria) | | Synonym |
Mimulus aridus (Under Diplacus aridus) | | Synonym |
Mimulus arvensis (Under Erythranthe arvensis) | | Synonym |
Mimulus aurantiacus (Under Diplacus aurantiacus) | | Synonym |
Mimulus aurantiacus subsp. australis (Under Diplacus australis) | | Synonym |
Mimulus aurantiacus var. aridus (Under Diplacus aridus) | | Synonym |
Mimulus aurantiacus var. grandiflorus (Under Diplacus grandiflorus) | | Synonym |
Mimulus aurantiacus var. parviflorus (Under Diplacus parviflorus) | | Synonym |
Mimulus aurantiacus var. pubescens (Under Diplacus longiflorus) | | Synonym |
Mimulus aurantiacus var. puniceus (Under Diplacus puniceus) | | Synonym |
Mimulus bakeri (Under Erythranthe nasuta) | | Synonym |
Mimulus barbatus (Under Erythranthe barbata) | | Synonym |
Mimulus bicolor (Under Erythranthe bicolor) | | Synonym |
Mimulus bifidus (Under Diplacus grandiflorus) | | Synonym |
Mimulus bifidus subsp. fasciculatus (Under Diplacus linearis) | | Synonym |
Mimulus bigelovii (Under Diplacus bigelovii) | | Synonym |
Mimulus bigelovii var. cuspidatus (Under Diplacus bigelovii var. cuspidatus) | | Synonym |
Mimulus bigelovii var. panamintensis (Under Diplacus bigelovii var. cuspidatus) | | Synonym |
Mimulus biolettii (Under Erythranthe filicaulis) | | Synonym |
Mimulus bolanderi (Under Diplacus bolanderi) | | Synonym |
Mimulus brachiatus (Under Diplacus layneae) | | Synonym |
Mimulus brandegeei (Under Diplacus brandegeei) | | Synonym |
Mimulus breviflorus (Under Erythranthe breviflora) | | Synonym |
Mimulus brevipes (Under Diplacus brevipes) | | Synonym |
Mimulus breweri (Under Erythranthe breweri) | | Synonym |
Mimulus caespitosus var. implexus (Under Erythranthe tilingii) | | Synonym |
Mimulus cardinalis (Under Erythranthe cardinalis) | | Synonym |
Mimulus cardinalis var. griseus (Under Erythranthe cardinalis) | | Synonym |
Mimulus cardinalis var. rigens (Under Erythranthe cardinalis) | | Synonym |
Mimulus clementinus (Under Erythranthe guttata) | | Synonym |
Mimulus clevelandii (Under Diplacus clevelandii) | | Synonym |
Mimulus coccineus (Under Diplacus mephiticus) | | Synonym |
Mimulus coccineus var. wolfii (Under Diplacus mephiticus) | | Synonym |
Mimulus congdonii (Under Diplacus congdonii) | | Synonym |
Mimulus constrictus (Under Diplacus constrictus) | | Synonym |
Mimulus corallinus (Under Erythranthe corallina) | | Synonym |
Mimulus cordatus (Under Erythranthe cordata) | | Synonym |
Mimulus crinitus (Under Erythranthe moschata) | | Synonym |
Mimulus cupriphilus (Under Erythranthe pardalis) | | Synonym |
Mimulus cuspidatus (Under Erythranthe nasuta) | | Synonym |
Mimulus decurtatus (Under Diplacus rattanii) | | Synonym |
Mimulus densus (Under Diplacus mephiticus) | | Synonym |
Mimulus dentatus (Under Erythranthe dentata) | | Synonym |
Mimulus diffusus (Under Erythranthe diffusa) | | Synonym |
Mimulus discolor (Under Erythranthe discolor) | | Synonym |
Mimulus discolor (Under Erythranthe moschata) | | Synonym |
Mimulus douglasii (Under Diplacus douglasii) | | Synonym |
Mimulus dudleyi (Under Erythranthe geniculata) | | Synonym |
Mimulus equinus (Under Erythranthe guttata) | | Synonym |
Mimulus erosus (Under Erythranthe nasuta) | | Synonym |
Mimulus evanescens (Under Erythranthe inflatula) | | Synonym |
Mimulus exiguus (Under Erythranthe exigua) | | Synonym |
Mimulus filicaulis (Under Erythranthe filicaulis) | | Synonym |
Mimulus filicifolius (Under Erythranthe filicifolia) | | Synonym |
Mimulus flemingii (Under Diplacus parviflorus) | | Synonym |
Mimulus floribundus (Under Erythranthe floribunda) | | Synonym |
Mimulus floribundus var. geniculatus (Under Erythranthe geniculata) | | Synonym |
Mimulus floribundus var. membranaceus (Under Erythranthe floribunda) | | Synonym |
Mimulus fremontii (Under Diplacus fremontii) | | Synonym |
Mimulus fremontii var. vandenbergensis (Under Diplacus vandenbergensis) | | Synonym |
Mimulus geniculatus (Under Erythranthe geniculata) | | Synonym |
Mimulus glabratus subsp. utahensis (Under Erythranthe utahensis) | | Synonym |
Mimulus glabratus var. adscendens (Under Erythranthe guttata) | | Synonym |
Mimulus glareosus (Under Erythranthe microphylla) | | Synonym |
Mimulus glaucescens (Under Erythranthe glaucescens) | | Synonym |
Mimulus glutinosus (Under Diplacus aurantiacus) | | Synonym |
Mimulus glutinosus var. brachypus (Under Diplacus longiflorus) | | Synonym |
Mimulus glutinosus var. linearis (Under Diplacus linearis) | | Synonym |
Mimulus gracilipes (Under Erythranthe gracilipes) | | Synonym |
Mimulus grandiflorus (Under Erythranthe guttata) | | Synonym |
Mimulus grandis (Under Erythranthe grandis) | | Synonym |
Mimulus grantianus (Under Erythranthe diffusa) | | Synonym |
Mimulus grayi (Under Erythranthe acutidens) | | Synonym |
Mimulus guttatus (Under Erythranthe guttata) | | Synonym |
Mimulus guttatus subsp. arenicola (Under Erythranthe arenicola) | | Synonym |
Mimulus guttatus subsp. arvensis (Under Erythranthe arvensis) | | Synonym |
Mimulus guttatus subsp. haidensis (Under Erythranthe guttata) | | Synonym |
Mimulus guttatus subsp. litoralis (Under Erythranthe grandis) | | Synonym |
Mimulus guttatus subsp. micranthus (Under Erythranthe arvensis) | | Synonym |
Mimulus guttatus var. arvensis (Under Erythranthe arvensis) | | Synonym |
Mimulus guttatus var. cupriphilus (Under Erythranthe pardalis) | | Synonym |
Mimulus guttatus var. depauperatus (Under Erythranthe microphylla) | | Synonym |
Mimulus guttatus var. glaucescens (Under Erythranthe glaucescens) | | Synonym |
Mimulus guttatus var. gracilis (Under Erythranthe nasuta) | | Synonym |
Mimulus guttatus var. grandis (Under Erythranthe grandis) | | Synonym |
Mimulus guttatus var. insignis (Under Erythranthe microphylla) | | Synonym |
Mimulus guttatus var. microphyllus (Under Erythranthe microphylla) | | Synonym |
Mimulus guttatus var. moschatus (Under Erythranthe moschata) | | Synonym |
Mimulus guttatus var. nasutus (Under Erythranthe nasuta) | | Synonym |
Mimulus guttatus var. pardalis (Under Erythranthe pardalis) | | Synonym |
Mimulus guttatus var. puberulus (Under Erythranthe guttata) | | Synonym |
Mimulus hirsutus (Under Erythranthe guttata) | | Synonym |
Mimulus implexus (Under Erythranthe tilingii) | | Synonym |
Mimulus implicatus (Under Erythranthe tilingii) | | Synonym |
Mimulus inconspicuus (Under Erythranthe inconspicua) | | Synonym |
Mimulus inconspicuus var. acutidens (Under Erythranthe acutidens) | | Synonym |
Mimulus inconspicuus var. latidens (Under Erythranthe latidens) | | Synonym |
Mimulus inflatulus (Under Erythranthe inflatula) | | Synonym |
Mimulus jepsonii (Under Diplacus jepsonii) | | Synonym |
Mimulus johnstonii (Under Diplacus johnstonii) | | Synonym |
Mimulus kelloggii (Under Diplacus kelloggii) | | Synonym |
Mimulus laciniatus (Under Erythranthe laciniata) | | Synonym |
Mimulus langsdorffii (Under Erythranthe guttata) | | Synonym |
Mimulus langsdorffii var. argutus (Under Erythranthe guttata) | | Synonym |
Mimulus langsdorffii var. arvensis (Under Erythranthe arvensis) | | Synonym |
Mimulus langsdorffii var. californicus (Under Erythranthe guttata) | | Synonym |
Mimulus langsdorffii var. grandis (Under Erythranthe grandis) | | Synonym |
Mimulus langsdorffii var. guttatus (Under Erythranthe guttata) | | Synonym |
Mimulus langsdorffii var. insignis (Under Erythranthe microphylla) | | Synonym |
Mimulus langsdorffii var. microphyllus (Under Erythranthe microphylla) | | Synonym |
Mimulus langsdorffii var. minimus (Under Erythranthe guttata) | | Synonym |
Mimulus langsdorffii var. nasutus (Under Erythranthe nasuta) | | Synonym |
Mimulus langsdorffii var. platyphyllus (Under Erythranthe guttata) | | Synonym |
Mimulus langsdorffii var. tilingii (Under Erythranthe tilingii) | | Synonym |
Mimulus latidens (Under Erythranthe latidens) | | Synonym |
Mimulus latifolius (Under Diplacus brandegeei) | | Synonym |
Mimulus laxus (Under Erythranthe microphylla) | | Synonym |
Mimulus layneae (Under Diplacus layneae) | | Synonym |
Mimulus leibergii (Under Erythranthe moschata) | | Synonym |
Mimulus leptaleus (Under Diplacus leptaleus) | | Synonym |
Mimulus lewisii (Under Erythranthe lewisii) | | Synonym |
Mimulus linearis (Under Diplacus linearis) | | Synonym |
Mimulus longiflorus (Under Diplacus longiflorus) | | Synonym |
Mimulus longiflorus subsp. calycinus (Under Diplacus calycinus) | | Synonym |
Mimulus longiflorus var. linearis (Under Diplacus linearis) | | Synonym |
Mimulus longiflorus var. rutilus (Under Diplacus longiflorus) | | Synonym |
Mimulus longulus (Under Erythranthe arvensis) | | Synonym |
Mimulus lucens (Under Erythranthe tilingii) | | Synonym |
Mimulus luteus var. depauperatus (Under Erythranthe microphylla) | | Synonym |
Mimulus luteus var. gracilis (Under Erythranthe nasuta) | | Synonym |
Mimulus lyratus (Under Erythranthe guttata) | | Synonym |
Mimulus maguirei (Under Erythranthe cordata) | | Synonym |
Mimulus marmoratus (Under Erythranthe marmorata) | | Synonym |
Mimulus membranaceus (Under Erythranthe floribunda) | | Synonym |
Mimulus mephiticus (Under Diplacus mephiticus) | | Synonym |
Mimulus micranthus (Under Erythranthe arvensis) | | Synonym |
Mimulus microcarpus (Under Diplacus jepsonii) | | Synonym |
Mimulus microphyllus (Under Erythranthe microphylla) | | Synonym |
Mimulus minusculus (Under Erythranthe corallina) | | Synonym |
Mimulus minusculus (Under Erythranthe tilingii) | | Synonym |
Mimulus mohavensis (Under Diplacus mohavensis) | | Synonym |
Mimulus moniliformis (Under Erythranthe moschata) | | Synonym |
Mimulus montioides (Under Erythranthe montioides) | | Synonym |
Mimulus moschatus (Under Erythranthe moschata) | | Synonym |
Mimulus moschatus var. moniliformis (Under Erythranthe moschata) | | Synonym |
Mimulus moschatus var. pallidiflorus (Under Erythranthe moschata) | | Synonym |
Mimulus moschatus var. sessilifolius (Under Erythranthe ptilota) | | Synonym |
Mimulus nanus (Under Diplacus nanus) | | Synonym |
Mimulus nanus var. bicolor (Under Diplacus bicolor) | | Synonym |
Mimulus nanus var. jepsonii (Under Diplacus jepsonii) | | Synonym |
Mimulus nanus var. mephiticus (Under Diplacus mephiticus) | | Synonym |
Mimulus nasutus (Under Erythranthe nasuta) | | Synonym |
Mimulus nasutus var. insignis (Under Erythranthe microphylla) | | Synonym |
Mimulus norrisii (Under Erythranthe norrisii) | | Synonym |
Mimulus nudatus (Under Erythranthe nudata) | | Synonym |
Mimulus palmeri (Under Erythranthe palmeri) | | Synonym |
Mimulus palmeri var. androsaceus (Under Erythranthe androsacea) | | Synonym |
Mimulus paniculatus (Under Erythranthe guttata) | | Synonym |
Mimulus pardalis (Under Erythranthe pardalis) | | Synonym |
Mimulus parishii (Under Erythranthe parishii) | | Synonym |
Mimulus parryi (Under Diplacus parryi) | | Synonym |
Mimulus peduncularis (Under Erythranthe floribunda) | | Synonym |
Mimulus petiolaris (Under Erythranthe guttata) | | Synonym |
Mimulus pictus (Under Diplacus pictus) | | Synonym |
Mimulus pilosellus (Under Erythranthe primuloides) | | Synonym |
Mimulus pilosus (Under Mimetanthe pilosa) | | Synonym |
Mimulus platycalyx (Under Erythranthe microphylla) | | Synonym |
Mimulus platylaemus (Under Diplacus bolanderi) | | Synonym |
Mimulus primuloides (Under Erythranthe primuloides) | | Synonym |
Mimulus primuloides subsp. linearifolius (Under Erythranthe linearifolia) | | Synonym |
Mimulus primuloides var. linearifolius (Under Erythranthe linearifolia) | | Synonym |
Mimulus primuloides var. minimus (Under Erythranthe primuloides) | | Synonym |
Mimulus primuloides var. pilosellus (Under Erythranthe primuloides) | | Synonym |
Mimulus prionophyllus (Under Erythranthe guttata) | | Synonym |
Mimulus procerus (Under Erythranthe grandis) | | Synonym |
Mimulus puberulus (Under Erythranthe guttata) | | Synonym |
Mimulus pulchellus (Under Diplacus pulchellus) | | Synonym |
Mimulus pulsiferae (Under Erythranthe pulsiferae) | | Synonym |
Mimulus puncticalyx (Under Erythranthe nasuta) | | Synonym |
Mimulus puniceus (Under Diplacus puniceus) | | Synonym |
Mimulus purpureus (Under Erythranthe purpurea) | | Synonym |
Mimulus purpureus var. pauxillus (Under Erythranthe purpurea) | | Synonym |
Mimulus purpureus var. purpureus (Under Erythranthe purpurea) | | Synonym |
Mimulus pygmaeus (Under Diplacus pygmaeus) | | Synonym |
Mimulus rattanii (Under Diplacus rattanii) | | Synonym |
Mimulus rattanii subsp. decurtatus (Under Diplacus rattanii) | | Synonym |
Mimulus rattanii var. decurtatus (Under Diplacus rattanii) | | Synonym |
Mimulus reifschneiderae (Under Diplacus mephiticus) | | Synonym |
Mimulus ringens | | Native or naturalized |
Mimulus rivularis (Under Erythranthe guttata) | | Synonym |
Mimulus rubellus (Under Erythranthe rubella) | | Synonym |
Mimulus rubellus var. breweri (Under Erythranthe breweri) | | Synonym |
Mimulus rubellus var. latiflorus (Under Erythranthe carsonensis) | | Synonym |
Mimulus rupicola (Under Diplacus rupicola) | | Synonym |
Mimulus serotinus (Under Erythranthe floribunda) | | Synonym |
Mimulus shevockii (Under Erythranthe shevockii) | | Synonym |
Mimulus sookensis (Under Erythranthe nasuta) | | Synonym |
Mimulus spissus (Under Diplacus bigelovii var. cuspidatus) | | Synonym |
Mimulus stamineus (Under Diplacus mephiticus) | | Synonym |
Mimulus subreniformis (Under Erythranthe nasuta) | | Synonym |
Mimulus subsecundus (Under Diplacus fremontii) | | Synonym |
Mimulus subsecundus var. constrictus (Under Diplacus constrictus) | | Synonym |
Mimulus suksdorfii (Under Erythranthe suksdorfii) | | Synonym |
Mimulus tilingii (Under Erythranthe tilingii) | | Synonym |
Mimulus tilingii var. corallinus (Under Erythranthe corallina) | | Synonym |
Mimulus tolmiei (Under Diplacus nanus) | | Synonym |
Mimulus torreyi (Under Diplacus torreyi) | | Synonym |
Mimulus traskiae (Under Diplacus traskiae) | | Synonym |
Mimulus tricolor (Under Diplacus tricolor) | | Synonym |
Mimulus veronicifolius (Under Erythranthe tilingii) | | Synonym |
Mimulus viscidus (Under Diplacus viscidus) | | Synonym |
Mimulus viscidus subsp. constrictus (Under Diplacus constrictus) | | Synonym |
Mimulus viscidus var. compactus (Under Diplacus compactus) | | Synonym |
Mimulus washoensis (Under Diplacus mephiticus) | | Synonym |
Mimulus whitneyi (Under Diplacus bicolor) | | Synonym |
Mimulus wolfii (Under Diplacus mephiticus) | | Synonym |
Minuartia biflora (Under Cherleria biflora) | | Synonym |
Minuartia californica (Under Sabulina californica) | | Synonym |
Minuartia cismontana (Under Sabulina cismontana) | | Synonym |
Minuartia decumbens (Under Sabulina decumbens) | | Synonym |
Minuartia douglasii (Under Sabulina douglasii) | | Synonym |
Minuartia howellii (Under Sabulina howellii) | | Synonym |
Minuartia nuttallii (Under Sabulina nuttallii) | | Synonym |
Minuartia nuttallii subsp. fragilis (Under Sabulina nuttallii var. fragilis) | | Synonym |
Minuartia nuttallii subsp. gregaria (Under Sabulina nuttallii var. gregaria) | | Synonym |
Minuartia nuttallii var. fragilis (Under Sabulina nuttallii var. fragilis) | | Synonym |
Minuartia nuttallii var. gracilis (Under Sabulina nuttallii var. gracilis) | | Synonym |
Minuartia nuttallii var. gregaria (Under Sabulina nuttallii var. gregaria) | | Synonym |
Minuartia obtusiloba (Under Cherleria biflora) | | Misapplied name |
Minuartia pusilla (Under Sabulina pusilla) | | Synonym |
Minuartia rosei (Under Sabulina rosei) | | Synonym |
Minuartia rubella (Under Sabulina rubella) | | Synonym |
Minuartia stolonifera (Under Sabulina stolonifera) | | Synonym |
Minuartia stricta (Under Sabulina stricta) | | Synonym |
Mirabilis ↳ Key to Mirabilis | FOUR O'CLOCK | |
Mirabilis albida | | Native |
Mirabilis alipes | | Native |
Mirabilis aspera (Under Mirabilis laevis var. villosa) | | Synonym |
Mirabilis bigelovii (Under Mirabilis laevis var. villosa) | | Synonym |
Mirabilis bigelovii var. aspera (Under Mirabilis laevis var. villosa) | | Synonym |
Mirabilis bigelovii var. bigelovii (Under Mirabilis laevis var. villosa) | | Synonym |
Mirabilis bigelovii var. retrorsa (Under Mirabilis laevis var. retrorsa) | | Synonym |
Mirabilis californica (Under Mirabilis laevis var. crassifolia) | | Synonym |
Mirabilis californica var. californica (Under Mirabilis laevis var. crassifolia) | | Synonym |
Mirabilis californica var. cedrosensis (Under Mirabilis laevis var. crassifolia) | | Synonym |
Mirabilis californica var. cordifolia (Under Mirabilis laevis var. crassifolia) | | Illegitimate name |
Mirabilis coccinea | RED FOUR O'CLOCK | Native |
Mirabilis comata (Under Mirabilis albida) | | Synonym |
Mirabilis froebelii (Under Mirabilis multiflora var. pubescens) | | Synonym |
Mirabilis froebelii var. glabrata (Under Mirabilis multiflora var. pubescens) | | Synonym |
Mirabilis glandulosa (Under Mirabilis multiflora var. glandulosa) | | Synonym |
Mirabilis greenei | GREENE'S FOUR O'CLOCK | Native |
Mirabilis jalapa var. jalapa | | Naturalized |
Mirabilis laevis | | Native |
Mirabilis laevis var. crassifolia | WISHBONE BUSH | Native |
Mirabilis laevis var. retrorsa | | Native |
Mirabilis laevis var. villosa | | Native |
Mirabilis linearis var. linearis | | Naturalized |
Mirabilis multiflora | | Native |
Mirabilis multiflora var. glandulosa | | Native |
Mirabilis multiflora var. pubescens | | Native |
Mirabilis nyctaginea | | Waif |
Mirabilis oblongifolia (Under Mirabilis albida) | | Synonym |
Mirabilis pumila (Under Mirabilis albida) | | Synonym |
Mirabilis retrorsa (Under Mirabilis laevis var. retrorsa) | | Synonym |
Mirabilis tenuiloba | SLENDER-LOBED FOUR O'CLOCK | Native |
Misopates orontium (Under Antirrhinum orontium) | | Synonym |
Mitella breweri (Under Pectiantia breweri) | | Synonym |
Mitella caulescens (Under Mitellastra caulescens) | | Synonym |
Mitella diversifolia (Under Ozomelis diversifolia) | | Synonym |
Mitella ovalis (Under Pectiantia ovalis) | | Synonym |
Mitella pentandra (Under Pectiantia pentandra) | | Synonym |
Mitella trifida (Under Ozomelis trifida) | | Synonym |
Mitellastra | | |
Mitellastra caulescens | | Native |
Modiola | | |
Modiola caroliniana | MODIOLA | Naturalized |
Moehringia | | |
Moehringia macrophylla | LARGE-LEAVED SANDWORT | Native |
Moenchia | | |
Moenchia erecta subsp. erecta | UPRIGHT CHICKWEED | Naturalized |
Mohavea breviflora (Under Antirrhinum mohavea) | | Synonym |
Mohavea confertiflora (Under Antirrhinum confertiflorum) | | Synonym |
Molluginaceae ↳ Key to Molluginaceae | CARPET-WEED FAMILY | |
Mollugo ↳ Key to Mollugo | CARPET-WEED | |
Mollugo cerviana | | Naturalized |
Mollugo verticillata | | Naturalized |
Moluccella | SHELL FLOWER | |
Moluccella laevis | | Historical waif |
Monanthochloe littoralis (Under Distichlis littoralis) | | Synonym |
Monarda | BEE BALM | |
Monarda pectinata | PLAINS BEE BALM | Native |
Monardella ↳ Key to Monardella | | |
Monardella anemonoides (Under Monardella linoides subsp. anemonoides) | | Synonym |
Monardella antonina (Under Monardella villosa subsp. villosa) | | Synonym |
Monardella antonina subsp. antonina (Under Monardella villosa subsp. villosa) | | Synonym |
Monardella antonina subsp. benitensis (Under Monardella villosa subsp. villosa) | | Synonym |
Monardella australis | | Native |
Monardella australis subsp. australis | | Native |
Monardella australis subsp. cinerea | GRAY MONARDELLA | Native |
Monardella australis subsp. jokerstii | JOKERST'S MONARDELLA | Native |
Monardella beneolens | SWEET-SMELLING MONARDELLA | Native |
Monardella boydii | | Native |
Monardella breweri | | Native |
Monardella breweri subsp. breweri | | Native |
Monardella breweri subsp. glandulifera | | Native |
Monardella breweri subsp. lanceolata | MUSTANG MINT | Native |
Monardella breweri subsp. microcephala | | Native |
Monardella candicans | SIERRA MONARDELLA | Native |
Monardella candicans var. exilis (Under Monardella exilis) | | Synonym |
Monardella candicans var. venosa (Under Monardella venosa) | | Synonym |
Monardella cinerea (Under Monardella australis subsp. cinerea) | | Synonym |
Monardella crispa (Under Monardella undulata subsp. crispa) | | Synonym |
Monardella douglasii | | Native |
Monardella douglasii subsp. venosa (Under Monardella venosa) | | Synonym |
Monardella douglasii var. parryi (Under Monardella venosa) | | Synonym |
Monardella douglasii var. venosa (Under Monardella venosa) | | Synonym |
Monardella eremicola | | Native |
Monardella exilis | | Native |
Monardella follettii | FOLLETT'S MONARDELLA | Native |
Monardella franciscana (Under Monardella villosa subsp. franciscana) | | Synonym |
Monardella frutescens (Under Monardella undulata subsp. undulata) | | Synonym |
Monardella glauca (Under Monardella odoratissima subsp. glauca) | | Synonym |
Monardella hypoleuca | | Native |
Monardella hypoleuca subsp. hypoleuca | | Native |
Monardella hypoleuca subsp. intermedia | | Native |
Monardella hypoleuca subsp. lanata | FELT-LEAVED MONARDELLA | Native |
Monardella hypoleuca var. saxicola (Under Monardella saxicola) | | Synonym |
Monardella lanata (Under Monardella hypoleuca subsp. lanata) | | Synonym |
Monardella lanceolata (Under Monardella breweri subsp. glandulifera) | | Synonym, in part |
Monardella lanceolata (Under Monardella breweri subsp. lanceolata) | | Synonym |
Monardella lanceolata (Under Monardella breweri subsp. microcephala) | | Synonym, in part |
Monardella lanceolata var. glandulifera (Under Monardella breweri subsp. glandulifera) | | Synonym |
Monardella lanceolata var. microcephala (Under Monardella breweri subsp. microcephala) | | Synonym |
Monardella lanceolata var. sanguinea (Under Monardella breweri subsp. lanceolata) | | Synonym |
Monardella ledifolia (Under Monardella viridis) | | Synonym |
Monardella leucocephala | MERCED MONARDELLA | Native |
Monardella linoides | | Native |
Monardella linoides subsp. anemonoides | | Native |
Monardella linoides subsp. erecta | | Native |
Monardella linoides subsp. linoides | | Native |
Monardella linoides subsp. linoides (Under Monardella linoides subsp. anemonoides) | | Synonym, in part |
Monardella linoides subsp. oblonga | TEHACHAPI MONARDELLA | Native |
Monardella linoides subsp. sierrae | | Native |
Monardella linoides subsp. viminea (Under Monardella viminea) | | Synonym |
Monardella linoides var. anemonoides (Under Monardella linoides subsp. anemonoides) | | Synonym |
Monardella linoides var. oblonga (Under Monardella linoides subsp. oblonga) | | Synonym |
Monardella linoides var. viminea (Under Monardella viminea) | | Synonym |
Monardella macrantha | | Native |
Monardella macrantha subsp. hallii | HALL'S MONARDELLA | Native |
Monardella macrantha subsp. macrantha | | Native |
Monardella macrantha var. hallii (Under Monardella macrantha subsp. hallii) | | Synonym |
Monardella macrantha var. pinetorum (Under Monardella nana) | | Synonym |
Monardella mojavensis | | Native |
Monardella nana | | Native |
Monardella nana subsp. arida (Under Monardella nana) | | Synonym |
Monardella nana subsp. leptosiphon (Under Monardella nana) | | Synonym |
Monardella nana subsp. tenuiflora (Under Monardella nana) | | Synonym |
Monardella neglecta (Under Monardella purpurea) | | Synonym |
Monardella oblonga (Under Monardella linoides subsp. oblonga) | | Synonym |
Monardella odoratissima | COYOTE-MINT | Native |
Monardella odoratissima subsp. australis (Under Monardella australis subsp. australis) | | Synonym |
Monardella odoratissima subsp. glauca | | Native |
Monardella odoratissima subsp. glauca (Under Monardella follettii) | | Unabridged synonym, in part |
Monardella odoratissima subsp. pallida | | Native |
Monardella odoratissima var. follettii (Under Monardella follettii) | | Synonym |
Monardella odoratissima var. glauca (Under Monardella odoratissima subsp. glauca) | | Synonym |
Monardella odoratissima var. neglecta (Under Monardella purpurea) | | Synonym |
Monardella odoratissima var. ovata (Under Monardella odoratissima) | | Synonym |
Monardella odoratissima var. ovata (Under Monardella odoratissima subsp. glauca) | | Synonym |
Monardella ovata (Under Monardella odoratissima) | | Synonym |
Monardella ovata (Under Monardella odoratissima subsp. glauca) | | Synonym |
Monardella pallida (Under Monardella odoratissima subsp. pallida) | | Synonym |
Monardella palmeri | PALMER'S MONARDELLA | Native |
Monardella peninsularis (Under Monardella breweri subsp. microcephala) | | Synonym |
Monardella pringlei | PRINGLE'S MONARDELLA | Native |
Monardella purpurea | SISKIYOU MONARDELLA | Native |
Monardella reflexa (Under Monardella villosa subsp. villosa) | | Synonym |
Monardella robisonii | ROBISON'S MONARDELLA | Native |
Monardella robusta (Under Monardella hypoleuca subsp. hypoleuca) | | Synonym |
Monardella saxicola | ROCK MONARDELLA | Native |
Monardella sheltonii | | Native |
Monardella sinuata | | Native |
Monardella sinuata subsp. nigrescens | | Native |
Monardella sinuata subsp. sinuata | | Native |
Monardella siskiyouensis (Under Monardella villosa subsp. villosa) | | Synonym |
Monardella stebbinsii | STEBBINS' MONARDELLA | Native |
Monardella stoneana | JENNIFER'S MONARDELLA | Native |
Monardella undulata | | Native |
Monardella undulata (Under Monardella sinuata) | | Misapplied name |
Monardella undulata subsp. arguelloensis | | Native |
Monardella undulata subsp. crispa | CRISP MONARDELLA | Native |
Monardella undulata subsp. undulata | SAN LUIS OBISPO MONARDELLA | Native |
Monardella undulata var. crispa (Under Monardella undulata subsp. crispa) | | Synonym |
Monardella undulata var. frutescens (Under Monardella undulata subsp. undulata) | | Synonym |
Monardella venosa | VEINY MONARDELLA | Native |
Monardella villosa | COYOTE-MINT | Native |
Monardella villosa subsp. franciscana | | Native |
Monardella villosa subsp. globosa (Under Monardella villosa subsp. villosa) | | Synonym |
Monardella villosa subsp. neglecta (Under Monardella purpurea) | | Synonym |
Monardella villosa subsp. obispoensis | | Native |
Monardella villosa subsp. sheltonii (Under Monardella sheltonii) | | Synonym |
Monardella villosa subsp. subserrata (Under Monardella villosa subsp. villosa) | | Synonym |
Monardella villosa subsp. villosa | | Native |
Monardella villosa var. franciscana (Under Monardella villosa subsp. franciscana) | | Synonym |
Monardella villosa var. neglecta (Under Monardella purpurea) | | Synonym |
Monardella villosa var. obispoensis (Under Monardella villosa subsp. obispoensis) | | Synonym |
Monardella villosa var. sheltonii (Under Monardella sheltonii) | | Synonym |
Monardella viminea | WILLOWY MONARDELLA | Native |
Monardella viridis | GREEN MONARDELLA | Native |
Monardella viridis subsp. saxicola (Under Monardella saxicola) | | Synonym |
Monerma cylindrica (Under Hainardia cylindrica) | | Synonym |
Moneses | | |
Moneses uniflora | WOODNYMPH | Native |
Moneses uniflora var. reticulata (Under Moneses uniflora) | | Synonym |
Monochoria | | |
Monochoria vaginalis | | Naturalized |
Monolepis ↳ Key to Monolepis | POVERTY WEED | |
Monolepis nuttalliana | NUTTALL'S POVERTY WEED | Native |
Monolepis pusilla (Under Micromonolepis pusilla) | | Synonym |
Monolepis spathulata | | Native |
Monolopia ↳ Key to Monolopia | HILLSIDE DAISY | |
Monolopia bahiifolia (Under Pseudobahia bahiifolia) | | Synonym |
Monolopia bahiifolia var. pinnatifida (Under Pseudobahia heermannii) | | Synonym |
Monolopia congdonii | SAN JOAQUIN WOOLLYTHREADS | Native |
Monolopia gracilens | WOODLAND WOOLLYTHREADS | Native |
Monolopia lanceolata | COMMON HILLSIDE DAISY | Native |
Monolopia major | | Native |
Monolopia stricta | | Native |
Monoptilon ↳ Key to Monoptilon | DESERT STAR | |
Monoptilon bellidiforme | | Native |
Monoptilon bellioides | | Native |
Monothrix intricata (Under Laphamia intricata) | | Synonym |
Monothrix megalocephala (Under Laphamia megalocephala var. megalocephala) | | Synonym |
Monotropa ↳ Key to Monotropa | | |
Monotropa hypopitys | PINESAP | Native |
Monotropa uniflora | GHOST-PIPE | Native |
Montia ↳ Key to Montia | | |
Montia alpina (Under Claytonia nevadensis) | | Synonym |
Montia chamissoi | TOAD LILY | Native |
Montia cordifolia (Under Claytonia cordifolia) | | Synonym |
Montia dichotoma | | Native |
Montia diffusa | | Native |
Montia fontana | WATER CHICKWEED, BLINKS | Native |
Montia fontana subsp. amporitana (Under Montia fontana) | | Synonym |
Montia fontana subsp. chondrosperma (Under Montia fontana) | | Synonym |
Montia fontana subsp. variabilis (Under Montia fontana) | | Synonym |
Montia funstonii (Under Montia fontana) | | Synonym |
Montia gypsophiloides (Under Claytonia gypsophiloides) | | Synonym |
Montia hallii (Under Montia fontana) | | Synonym |
Montia howellii | HOWELL'S MONTIA | Native |
Montia linearis | | Native |
Montia parvifolia | | Native |
Montia perfoliata (Under Claytonia perfoliata subsp. perfoliata) | | Synonym |
Montia perfoliata f. glauca (Under Claytonia exigua subsp. glauca) | | Synonym |
Montia perfoliata f. parviflora (Under Claytonia parviflora subsp. utahensis) | | Synonym |
Montia perfoliata f. parvifolia (Under Claytonia parviflora subsp. parviflora) | | Synonym |
Montia perfoliata var. depressa (Under Claytonia rubra subsp. depressa) | | Synonym |
Montia perfoliata var. glauca (Under Claytonia exigua subsp. glauca) | | Synonym |
Montia perfoliata var. utahensis (Under Claytonia parviflora subsp. utahensis) | | Synonym |
Montia rosulata (Under Claytonia exigua subsp. exigua) | | Synonym |
Montia saxosa (Under Claytonia saxosa) | | Synonym |
Montia sibirica (Under Claytonia sibirica) | | Synonym |
Montia spathulata (Under Claytonia exigua subsp. exigua) | | Synonym |
Montia spathulata var. exigua (Under Claytonia exigua subsp. exigua) | | Synonym |
Montia spathulata var. rosulata (Under Claytonia exigua subsp. exigua) | | Synonym |
Montia spathulata var. spathulata (Under Claytonia exigua subsp. exigua) | | Synonym |
Montia spathulata var. tenuifolia (Under Claytonia parviflora subsp. viridis) | | Synonym |
Montia spathulata var. viridis (Under Claytonia parviflora subsp. viridis) | | Synonym |
Montia verna (Under Montia fontana) | | Synonym |
Montiaceae ↳ Key to Montiaceae | MINER'S LETTUCE FAMILY | |
Moraceae ↳ Key to Moraceae | MULBERRY FAMILY | |
Morella | | |
Morella californica | WAX MYRTLE | Native |
Mortonia | | |
Mortonia utahensis | UTAH MORTONIA | Native |
Morus | MULBERRY | |
Morus alba | WHITE MULBERRY | Naturalized |
Mucronea ↳ Key to Mucronea | | |
Mucronea californica | CALIFORNIA SPINEFLOWER | Native |
Mucronea californica var. suksdorfii (Under Mucronea californica) | | Synonym |
Mucronea perfoliata | PERFOLIATE SPINEFLOWER | Native |
Mucronea perfoliata var. opaca (Under Mucronea perfoliata) | | Synonym |
Muehlenbeckia ↳ Key to Muehlenbeckia | | |
Muehlenbeckia complexa | MAIDENHAIR VINE | Naturalized |
Muehlenbeckia hastatula (Under Muehlenbeckia hastulata) | | Orthographic variant |
Muehlenbeckia hastulata | WIREVINE | Naturalized |
Muehlenbeckia hastulata var. fascicularis (Under Muehlenbeckia hastulata) | | Synonym |
Muehlenbeckia hastulata var. hastulata (Under Muehlenbeckia hastulata) | | Synonym |
Muehlenbeckia hastulata var. rotundata (Under Muehlenbeckia hastulata) | | Synonym |
Muhlenbergia ↳ Key to Muhlenbergia | MUHLY | |
Muhlenbergia alopecuroides | WOLFTAIL | Native |
Muhlenbergia andina | FOXTAIL MUHLY | Native |
Muhlenbergia appressa | APPRESSED MUHLY | Native |
Muhlenbergia arsenei | TOUGH MUHLY | Native |
Muhlenbergia asperifolia | SCRATCH GRASS | Native |
Muhlenbergia californica | CALIFORNIA MUHLY | Native |
Muhlenbergia emersleyi | BULLGRASS | Native |
Muhlenbergia filiformis | PULL-UP MUHLY | Native |
Muhlenbergia fragilis | DELICATE MUHLY | Native |
Muhlenbergia jonesii | JONES' MUHLY | Native |
Muhlenbergia mexicana | | Native |
Muhlenbergia microsperma | LITTLESEED MUHLY | Native |
Muhlenbergia minutissima | | Native |
Muhlenbergia montana | MOUNTAIN MUHLY | Native |
Muhlenbergia pauciflora | FEW-FLOWERED MUHLY | Native |
Muhlenbergia porteri | | Native |
Muhlenbergia richardsonis | MAT MUHLY | Native |
Muhlenbergia rigens | DEER GRASS | Native |
Muhlenbergia schreberi | NIMBLEWELL | Waif |
Muhlenbergia utilis | APAREJO GRASS | Native |
Muilla ↳ Key to Muilla | | |
Muilla clevelandii (Under Bloomeria clevelandii) | | Synonym |
Muilla coronata | CROWNED MUILLA | Native |
Muilla maritima | COMMON MUILLA | Native |
Muilla serotina (Under Muilla maritima) | | Synonym |
Muilla tenuis (Under Muilla maritima) | | Synonym |
Muilla transmontana | | Native |
Mulgedium oblongifolium (Under Lactuca tatarica subsp. pulchella) | | Synonym |
Mulgedium pulchellum (Under Lactuca tatarica subsp. pulchella) | | Illegitimate name |
Munroa | | |
Munroa squarrosa | FALSE BUFFALOGRASS | Native |
Munzothamnus | | |
Munzothamnus blairii | BLAIR'S MUNZOTHAMNUS | Native |
Mycelis | | |
Mycelis muralis | WALL-LETTUCE | Naturalized |
Myoporum | | |
Myoporum laetum | MYOPORUM, NGAIO TREE | Naturalized |
Myosotis ↳ Key to Myosotis | FORGET-ME-NOT | |
Myosotis discolor | CHANGING FORGET-ME-NOT | Naturalized |
Myosotis latifolia | BROADLEAVED FORGET-ME-NOT | Naturalized |
Myosotis laxa | BAY FORGET-ME-NOT | Native |
Myosotis micrantha | SMALL-FLOWERED FORGET-ME-NOT | Naturalized |
Myosotis palustris (Under Myosotis scorpioides) | | Synonym |
Myosotis scorpioides | WATER FORGET-ME-NOT | Naturalized |
Myosotis stricta (Under Myosotis micrantha) | | Synonym |
Myosotis verna | EARLY FORGET-ME-NOT | Waif |
Myosotis versicolor (Under Myosotis discolor) | | Synonym |
Myosotis virginica (Under Myosotis verna) | | Synonym |
Myosurus ↳ Key to Myosurus | MOUSETAIL | |
Myosurus apetalus | | Native |
Myosurus apetalus var. borealis | | Native |
Myosurus apetalus var. montanus | | Native |
Myosurus aristatus (Under Myosurus apetalus var. borealis) | | Illegitimate name |
Myosurus aristatus subsp. montanus (Under Myosurus apetalus var. montanus) | | Synonym |
Myosurus cupulatus | | Native |
Myosurus lepturus (Under Myosurus minimus) | | Synonym |
Myosurus lepturus var. filiformis (Under Myosurus minimus) | | Synonym |
Myosurus minimus | | Native |
Myosurus minimus subsp. major (Under Myosurus minimus) | | Synonym |
Myosurus minimus subsp. montanus (Under Myosurus apetalus var. montanus) | | Synonym |
Myosurus minimus var. filiformis (Under Myosurus minimus) | | Synonym |
Myosurus minimus var. major (Under Myosurus minimus) | | Synonym |
Myosurus minimus var. sessiliflorus (Under Myosurus sessilis) | | Synonym |
Myosurus sessilis | | Native |
Myrica | | |
Myrica californica (Under Morella californica) | | Synonym |
Myrica hartwegii | SIERRA SWEET BAY | Native |
Myricaceae ↳ Key to Myricaceae | WAX MYRTLE FAMILY | |
Myriophyllum ↳ Key to Myriophyllum | WATER-MILFOIL | |
Myriophyllum aquaticum | PARROT'S FEATHER | Naturalized |
Myriophyllum brasiliense (Under Myriophyllum aquaticum) | | Synonym |
Myriophyllum elatinoides (Under Myriophyllum quitense) | | Synonym |
Myriophyllum exalbescens (Under Myriophyllum sibiricum) | | Synonym |
Myriophyllum hippuroides | WESTERN WATER-MILFOIL | Native |
Myriophyllum proserpinacoides (Under Myriophyllum aquaticum) | | Synonym |
Myriophyllum quitense | ANDEAN WATER-MILFOIL | Native |
Myriophyllum sibiricum | SIBERIAN WATER-MILFOIL | Native |
Myriophyllum spicatum | EURASIAN WATER-MILFOIL | Naturalized |
Myriophyllum spicatum subsp. exalbescens (Under Myriophyllum sibiricum) | | Synonym |
Myriophyllum spicatum var. exalbescens (Under Myriophyllum sibiricum) | | Synonym |
Myriophyllum verticillatum | WHORLED WATER-MILFOIL | Native |
Myriopteris ↳ Key to Myriopteris | | |
Myriopteris clevelandii | CLEVELAND'S LIP FERN | Native |
Myriopteris cooperae | COOPER'S LIP FERN | Native |
Myriopteris covillei | COVILLE'S LIP FERN | Native |
Myriopteris gracilis | SLENDER LIP FERN | Native |
Myriopteris gracillima | LACE LIP FERN | Native |
Myriopteris intertexta | COASTAL LIP FERN | Native |
Myriopteris newberryi | NEWBERRY'S LIP FERN | Native |
Myriopteris parryi | PARRY'S LIP FERN | Native |
Myriopteris viscida | VISCID LACE FERN | Native |
Myriopteris wootonii | WOOTON'S LIP FERN | Native |
Myrsinaceae | MYRSINE FAMILY | |
Myrtaceae ↳ Key to Myrtaceae | MYRTLE FAMILY | |
Myrtus | | |
Myrtus communis | MYRTLE | Waif |
Najas ↳ Key to Najas | | |
Najas flexilis | SLENDER WATER-NYMPH | Native |
Najas gracillima | THREAD-LEAVED WATER-NYMPH | Naturalized |
Najas graminea | RICE-FIELD WATER-NYMPH | Agricultural weed |
Najas guadalupensis subsp. guadalupensis | COMMON WATER-NYMPH | Native |
Najas marina | HOLLY-LEAVED WATER-NYMPH | Native |
Nama ↳ Key to Nama | PURPLE MAT | |
Nama aretioides | | Native |
Nama aretioides var. californica | | Native |
Nama aretioides var. multiflora | | Native |
Nama californica | | Native |
Nama demissa | | Native |
Nama demissa var. covillei | | Native |
Nama demissa var. demissa | | Native |
Nama demissa var. deserti (Under Nama demissa var. demissa) | | Synonym |
Nama densa | | Native |
Nama densa var. densa | | Native |
Nama densa var. parviflora | | Native |
Nama depressa | | Native |
Nama dichotoma var. dichotoma | FORKED PURPLE MAT | Native |
Nama hispida var. revoluta (Under Nama hispida var. spathulata) | | Synonym |
Nama hispida var. spathulata | | Native |
Nama lobbii (Under Eriodictyon lobbii) | | Synonym |
Nama pusilla | | Native |
Nama racemosum (Under Phacelia racemosa) | | Synonym |
Nama rothrockii | | Native |
Nama stenocarpa | MUD NAMA | Native |
Nama systyla (Under Draperia systyla) | | Synonym |
Namaceae ↳ Key to Namaceae | NAMA FAMILY | |
Narcissus ↳ Key to Narcissus | | |
Narcissus pseudonarcissus | DAFFODIL | Naturalized |
Narcissus tazetta | PAPER WHITE | Naturalized |
Nartheciaceae | BOG ASPHODEL FAMILY | |
Narthecium | BOG ASPHODEL | |
Narthecium californicum | | Native |
Nassella cernua (Under Stipa cernua) | | Synonym |
Nassella formicara (Under Stipa manicata) | | Misapplied name |
Nassella formicarum (Under Stipa manicata) | | Misapplied name |
Nassella lepida (Under Stipa lepida) | | Synonym |
Nassella lepida var. lepida (Under Stipa lepida) | | Synonym |
Nassella manicata (Under Stipa manicata) | | Synonym |
Nassella pulchra (Under Stipa pulchra) | | Synonym |
Nasturtium ↳ Key to Nasturtium | | |
Nasturtium gambelii | GAMBEL'S WATER CRESS | Native |
Nasturtium officinale | WATER CRESS | Native |
Navarretia ↳ Key to Navarretia | NAVARRETIA | |
Navarretia atractyloides | | Native |
Navarretia bakeri (Under Navarretia leucocephala subsp. bakeri) | | Synonym |
Navarretia breweri | | Native |
Navarretia capillaris | | Native |
Navarretia cotulifolia | COTULA NAVARRETIA | Native |
Navarretia divaricata | MOUNTAIN NAVARRETIA | Native |
Navarretia divaricata subsp. divaricata | | Native |
Navarretia divaricata subsp. vividior | | Native |
Navarretia eriocephala | HOARY NAVARRETIA | Native |
Navarretia filicaulis | | Native |
Navarretia fossalis | SPREADING NAVARRETIA | Native |
Navarretia gowenii | LIME RIDGE NAVARRETIA | Native |
Navarretia hamata | | Native |
Navarretia hamata subsp. foliacea (Under Navarretia atractyloides) | | Synonym |
Navarretia hamata subsp. hamata | | Native |
Navarretia hamata subsp. leptantha | | Native |
Navarretia hamata subsp. parviloba | | Native |
Navarretia heterandra | TEHAMA NAVARRETIA | Native |
Navarretia heterodoxa | | Native |
Navarretia heterodoxa subsp. rosulata (Under Navarretia rosulata) | | Synonym |
Navarretia intertexta | | Native |
Navarretia intertexta subsp. intertexta (Under Navarretia intertexta) | | Synonym |
Navarretia intertexta subsp. intertexta (Under Navarretia paradoxiclara) | | Synonym, in part |
Navarretia intertexta subsp. intertexta (Under Navarretia paradoxinota) | | Synonym, in part |
Navarretia intertexta subsp. propinqua (Under Navarretia propinqua) | | Synonym |
Navarretia jaredii (Under Navarretia mitracarpa) | | Synonym |
Navarretia jepsonii | JEPSON'S NAVARRETIA | Native |
Navarretia leptalea | | Native |
Navarretia leptalea subsp. bicolor | | Native |
Navarretia leptalea subsp. leptalea | | Native |
Navarretia leucocephala | | Native |
Navarretia leucocephala subsp. bakeri | BAKER'S NAVARRETIA | Native |
Navarretia leucocephala subsp. leucocephala | | Native |
Navarretia leucocephala subsp. minima | | Native |
Navarretia leucocephala subsp. pauciflora | FEW-FLOWERED NAVARRETIA | Native |
Navarretia leucocephala subsp. plieantha | MANY-FLOWERED NAVARRETIA | Native |
Navarretia linearifolia | | Native |
Navarretia linearifolia subsp. linearifolia | | Native |
Navarretia linearifolia subsp. pinnatisecta | PINNATE-LEAVED NAVARRETIA | Native |
Navarretia mellita | | Native |
Navarretia minima (Under Navarretia leucocephala subsp. minima) | | Synonym |
Navarretia mitracarpa | | Native |
Navarretia mitracarpa subsp. jaredii (Under Navarretia mitracarpa) | | Synonym |
Navarretia myersii | | Native |
Navarretia myersii subsp. deminuta | SMALL PINCUSHION NAVARRETIA | Native |
Navarretia myersii subsp. myersii | PINCUSHION NAVARRETIA | Native |
Navarretia nigelliformis | | Native |
Navarretia nigelliformis subsp. nigelliformis | ADOBE NAVARRETIA | Native |
Navarretia nigelliformis subsp. radians | SHINING NAVARRETIA | Native |
Navarretia nigelliformis var. radians (Under Navarretia nigelliformis subsp. radians) | | Synonym |
Navarretia ojaiensis | OJAI NAVARRETIA | Native |
Navarretia paradoxiclara | | Native |
Navarretia paradoxinota | | Native |
Navarretia pauciflora (Under Navarretia leucocephala subsp. pauciflora) | | Synonym |
Navarretia peninsularis | BAJA NAVARRETIA | Native |
Navarretia plieantha (Under Navarretia leucocephala subsp. plieantha) | | Synonym |
Navarretia prolifera | | Native |
Navarretia prolifera subsp. lutea | YELLOW BUR NAVARRETIA | Native |
Navarretia prolifera subsp. prolifera | | Native |
Navarretia propinqua | | Native |
Navarretia prostrata | PROSTRATE VERNAL POOL NAVARRETIA | Native |
Navarretia pubescens | | Native |
Navarretia rosulata | MARIN COUNTY NAVARRETIA | Native |
Navarretia setiloba | PIUTE MOUNTAINS NAVARRETIA | Native |
Navarretia sinistra | | Native |
Navarretia sinistra subsp. pinnatisecta (Under Navarretia linearifolia subsp. pinnatisecta) | | Synonym |
Navarretia sinistra subsp. sinistra (Under Navarretia linearifolia) | | Synonym, in part |
Navarretia sinistra subsp. sinistra (Under Navarretia linearifolia subsp. linearifolia) | | Synonym, in part |
Navarretia sinistra subsp. sinistra (Under Navarretia sinistra) | | Synonym |
Navarretia squarrosa | SKUNKWEED | Native |
Navarretia subuligera | AWL-LEAVED NAVARRETIA | Native |
Navarretia tagetina | MARIGOLD NAVARRETIA | Native |
Navarretia viscidula | | Native |
Neltuma ↳ Key to Neltuma | | |
Neltuma odorata | HONEY MESQUITE | Native |
Neltuma velutina | VELVET MESQUITE | Naturalized |
Nemacaulis | COTTONHEADS | |
Nemacaulis denudata ↳ Key to Nemacaulis denudata | | Native |
Nemacaulis denudata var. denudata | COAST WOOLLY-HEADS | Native |
Nemacaulis denudata var. gracilis | SLENDER COTTONHEADS | Native |
Nemacaulis nuttallii (Under Nemacaulis denudata var. denudata) | | Illegitimate name |
Nemacladus ↳ Key to Nemacladus | | |
Nemacladus adenophorus (Under Nemacladus rubescens) | | Synonym |
Nemacladus calcaratus | CHIMNEY CREEK NEMACLADUS | Native |
Nemacladus californicus | | Native |
Nemacladus capillaris | | Native |
Nemacladus glanduliferus | | Native |
Nemacladus glanduliferus var. glanduliferus (Under Nemacladus glanduliferus) | | Synonym |
Nemacladus glanduliferus var. orientalis (Under Nemacladus orientalis) | | Synonym |
Nemacladus gracilis | SLENDER NEMACLADUS | Native |
Nemacladus interior | | Native |
Nemacladus longiflorus | | Native |
Nemacladus longiflorus var. breviflorus | | Native |
Nemacladus longiflorus var. longiflorus | | Native |
Nemacladus montanus | | Native |
Nemacladus orientalis | | Native |
Nemacladus pinnatifidus | | Native |
Nemacladus ramosissimus | | Native |
Nemacladus rigidus | | Native |
Nemacladus rubescens | | Native |
Nemacladus rubescens var. rubescens (Under Nemacladus rubescens) | | Synonym |
Nemacladus rubescens var. tenuis (Under Nemacladus tenuis) | | Synonym |
Nemacladus rubescens var. tenuis (Under Nemacladus tenuis var. tenuis) | | Synonym |
Nemacladus secundiflorus | | Native |
Nemacladus secundiflorus var. robbinsii | ROBBINS' NEMACLADUS | Native |
Nemacladus secundiflorus var. secundiflorus | LARGE-FLOWERED NEMACLADUS | Native |
Nemacladus sigmoideus | | Native |
Nemacladus tenuis | | Native |
Nemacladus tenuis var. aliformis | | Native |
Nemacladus tenuis var. tenuis | | Native |
Nemacladus twisselmannii | TWISSELMANN'S NEMACLADUS | Native |
Nemophila ↳ Key to Nemophila | | |
Nemophila breviflora | GREAT BASIN NEMOPHILA | Native |
Nemophila fremontii (Under Nemophila pulchella var. fremontii) | | Synonym |
Nemophila heterophylla | | Native |
Nemophila maculata | FIVESPOT | Native |
Nemophila menziesii | BABY BLUE-EYES | Native |
Nemophila menziesii var. atomaria | | Native |
Nemophila menziesii var. integrifolia | | Native |
Nemophila menziesii var. menziesii | | Native |
Nemophila parviflora | | Native |
Nemophila parviflora var. austiniae | | Native |
Nemophila parviflora var. parviflora | | Native |
Nemophila parviflora var. quercifolia | OAK-LEAVED NEMOPHILA | Native |
Nemophila pedunculata | | Native |
Nemophila pulchella | | Native |
Nemophila pulchella var. fremontii | | Native |
Nemophila pulchella var. gracilis | | Native |
Nemophila pulchella var. pulchella | | Native |
Nemophila spatulata | | Native |
Neogaerrhinum filipes (Under Antirrhinum filipes) | | Synonym |
Neogaerrhinum strictum (Under Antirrhinum kelloggii) | | Synonym |
Neoholmgrenia | | |
Neoholmgrenia andina | | Native |
Neokochia ↳ Key to Neokochia | | |
Neokochia americana | | Native |
Neokochia californica | | Native |
Neolloydia johnsonii (Under Sclerocactus johnsonii) | | Synonym |
Neostapfia | | |
Neostapfia colusana | COLUSA GRASS | Native |
Nepeta | | |
Nepeta cataria | CATNIP | Naturalized |
Nerium | OLEANDER | |
Nerium oleander | COMMON OLEANDER | Naturalized |
Nestotus | | |
Nestotus stenophyllus | | Native |
Neviusia | | |
Neviusia cliftonii | SHASTA SNOW-WREATH | Native |
Nicandra | | |
Nicandra physalodes | APPLE OF PERU, SHOO-FLY PLANT | Waif |
Nicolletia | | |
Nicolletia occidentalis | HOLE-IN-THE-SAND PLANT | Native |
Nicotiana ↳ Key to Nicotiana | TOBACCO | |
Nicotiana acuminata var. multiflora | | Naturalized |
Nicotiana attenuata | | Native |
Nicotiana bigelovii (Under Nicotiana quadrivalvis) | | Synonym |
Nicotiana bigelovii var. wallacei (Under Nicotiana quadrivalvis) | | Synonym |
Nicotiana clevelandii | | Native |
Nicotiana glauca | TREE TOBACCO | Naturalized |
Nicotiana nana (Under Hesperochiron nanus) | | Synonym |
Nicotiana obtusifolia | | Native |
Nicotiana quadrivalvis | | Native |
Nicotiana quadrivalvis var. bigelovii (Under Nicotiana quadrivalvis) | | Synonym |
Nicotiana quadrivalvis var. quadrivalvis (Under Nicotiana quadrivalvis) | | Synonym |
Nicotiana sylvestris | | Waif |
Nicotiana trigonophylla (Under Nicotiana obtusifolia) | | Synonym |
Nitrariaceae | NITRARIA FAMILY | |
Nitrophila ↳ Key to Nitrophila | | |
Nitrophila mohavensis | AMARGOSA NITROPHILA | Native |
Nitrophila occidentalis | | Native |
Noccaea | | |
Noccaea fendleri ↳ Key to Noccaea fendleri | | Native |
Noccaea fendleri subsp. californica | KNEELAND PRAIRIE PENNYCRESS | Native |
Noccaea fendleri subsp. glauca | | Native |
Noccaea glauca (Under Noccaea fendleri subsp. glauca) | | Synonym |
Nolina ↳ Key to Nolina | BEARGRASS | |
Nolina bigelovii | | Native |
Nolina cismontana | CHAPARRAL NOLINA | Native |
Nolina interrata | DEHESA NOLINA | Native |
Nolina parryi | | Native |
Nolina parryi subsp. wolfii (Under Nolina parryi) | | Synonym |
Nothocalais ↳ Key to Nothocalais | FALSE-DANDELION | |
Nothocalais alpestris | ALPINE LAKE FALSE-DANDELION | Native |
Nothocalais troximoides | SAGEBRUSH FALSE-DANDELION | Native |
Nothochelone | | |
Nothochelone nemorosa | | Native |
Notholaena | | |
Notholaena californica | CALIFORNIA CLOAK-FERN | Native |
Notholaena candida var. accessita (Under Notholaena californica) | | Synonym |
Notholaena jonesii (Under Argyrochosma jonesii) | | Synonym |
Notholaena limitanea (Under Argyrochosma limitanea subsp. limitanea) | | Synonym |
Notholithocarpus | TAN OAK, TANBARK OAK | |
Notholithocarpus densiflorus ↳ Key to Notholithocarpus densiflorus | | Native |
Notholithocarpus densiflorus var. densiflorus | | Native |
Notholithocarpus densiflorus var. echinoides | | Native |
Nothoscordum | FALSE GARLIC | |
Nothoscordum aureum (Under Bloomeria crocea var. aurea) | | Synonym |
Nothoscordum gracile | | Naturalized |
Nothoscordum inodorum (Under Nothoscordum gracile) | | Misapplied name |
Nuphar | COW-LILY, YELLOW POND-LILY | |
Nuphar lutea subsp. polysepala (Under Nuphar polysepala) | | Synonym |
Nuphar polysepala | | Native |
Nuttallanthus | | |
Nuttallanthus texanus | BLUE TOADFLAX | Native |
Nuttallia cerasiformis (Under Oemleria cerasiformis) | | Synonym |
Nyctaginaceae ↳ Key to Nyctaginaceae | FOUR O'CLOCK FAMILY | |
Nyctelea micrantha (Under Eucrypta micrantha) | | Synonym |
Nyctelea pinetorum (Under Eucrypta micrantha) | | Synonym |
Nyctelea torreyi (Under Eucrypta chrysanthemifolia var. bipinnatifida) | | Synonym |
Nymphaea ↳ Key to Nymphaea | WATERLILY, WATER-NYMPH | |
Nymphaea mexicana | YELLOW or BANANA WATERLILY | Naturalized |
Nymphaea odorata | FRAGRANT or WHITE WATERLILY | Naturalized |
Nymphaea polysepala (Under Nuphar polysepala) | | Synonym |
Nymphaeaceae ↳ Key to Nymphaeaceae | WATERLILY FAMILY | |
Nymphoides | FLOATING-HEART | |
Nymphoides peltata | WATER FRINGE | Naturalized |
Obione bracteosa (Under Atriplex serenana) | | Synonym |
Obione confertifolia (Under Atriplex confertifolia) | | Synonym |
Obione cordulata (Under Atriplex cordulata) | | Synonym |
Obione coulteri (Under Atriplex coulteri) | | Synonym |
Obione elegans (Under Atriplex elegans) | | Synonym |
Obione flavida (Under Atriplex flavida) | | Synonym |
Obione fruticulosa (Under Atriplex fruticulosa) | | Synonym |
Obione glauca (Under Atriplex glauca) | | Synonym |
Obione hymenelytra (Under Atriplex hymenelytra) | | Synonym |
Obione lentiformis (Under Atriplex lentiformis) | | Synonym |
Obione leucophylla (Under Atriplex leucophylla) | | Synonym |
Obione microcarpa (Under Atriplex pacifica) | | Synonym |
Obione parishii (Under Atriplex parishii) | | Synonym |
Obione polycarpa (Under Atriplex polycarpa) | | Synonym |
Obione pusilla (Under Atriplex pusilla) | | Synonym |
Obione radiata (Under Atriplex elegans) | | Synonym |
Obione torreyi (Under Atriplex torreyi var. torreyi) | | Synonym |
Obione truncata (Under Atriplex truncata) | | Synonym |
Obione tularensis (Under Atriplex tularensis) | | Synonym |
Ocimum salinum (Under Frankenia salina) | | Synonym |
Odontostomum | | |
Odontostomum hartwegii | | Native |
Oemleria | OSO BERRY | |
Oemleria cerasiformis | | Native |
Oenanthe | | |
Oenanthe sarmentosa | | Native |
Oenothera ↳ Key to Oenothera | EVENING-PRIMROSE | |
Oenothera ×erythrosepala (Under Oenothera glazioviana) | | Synonym |
Oenothera abramsii (Under Camissoniopsis pallida subsp. pallida) | | Synonym |
Oenothera alyssoides (Under Eremothera boothii subsp. alyssoides) | | Synonym |
Oenothera andina (Under Neoholmgrenia andina) | | Synonym |
Oenothera arenaria (Under Chylismia arenaria) | | Synonym |
Oenothera avita | | Native |
Oenothera avita subsp. avita | | Native |
Oenothera avita subsp. californica | | Native |
Oenothera avita subsp. eurekensis | EUREKA DUNES EVENING-PRIMROSE | Native |
Oenothera biennis | COMMON EVENING-PRIMROSE | Naturalized |
Oenothera biennis (Under Oenothera villosa subsp. strigosa) | | Misapplied name |
Oenothera bistorta (Under Camissoniopsis bistorta) | | Synonym |
Oenothera bistorta var. veitchiana (Under Camissoniopsis bistorta) | | Synonym |
Oenothera boothii (Under Eremothera boothii) | | Synonym |
Oenothera boothii subsp. condensata (Under Eremothera boothii subsp. condensata) | | Synonym |
Oenothera boothii subsp. decorticans (Under Eremothera boothii subsp. decorticans) | | Synonym |
Oenothera boothii subsp. desertorum (Under Eremothera boothii subsp. desertorum) | | Synonym |
Oenothera boothii subsp. intermedia (Under Eremothera boothii subsp. intermedia) | | Synonym |
Oenothera boothii subsp. inyoensis (Under Eremothera boothii subsp. desertorum) | | Synonym |
Oenothera boothii subsp. rutila (Under Eremothera boothii subsp. decorticans) | | Synonym |
Oenothera brevipes (Under Chylismia brevipes) | | Synonym |
Oenothera brevipes subsp. arizonica (Under Chylismia brevipes subsp. arizonica) | | Synonym |
Oenothera brevipes subsp. pallidula (Under Chylismia brevipes subsp. pallidula) | | Synonym |
Oenothera caespitosa (Under Oenothera cespitosa) | | Orthographic variant |
Oenothera caespitosa subsp. crinita (Under Oenothera cespitosa subsp. crinita) | | Orthographic variant |
Oenothera caespitosa subsp. marginata (Under Oenothera cespitosa subsp. marginata) | | Orthographic variant |
Oenothera californica (Under Oenothera avita) | | Illegitimate name |
Oenothera californica subsp. avita (Under Oenothera avita subsp. avita) | | Illegitimate name |
Oenothera californica subsp. californica (Under Oenothera avita subsp. californica) | | Illegitimate name |
Oenothera californica subsp. eurekensis (Under Oenothera avita subsp. eurekensis) | | Illegitimate name |
Oenothera californica var. glabrata (Under Oenothera avita subsp. californica) | | Synonym |
Oenothera campestris (Under Camissonia campestris subsp. campestris) | | Synonym |
Oenothera campestris subsp. parishii (Under Camissonia campestris subsp. campestris) | | Synonym |
Oenothera cardiophylla (Under Chylismia cardiophylla) | | Synonym |
Oenothera cardiophylla subsp. robusta (Under Chylismia cardiophylla subsp. robusta) | | Synonym |
Oenothera cavernae | CAVE EVENING-PRIMROSE | Native |
Oenothera cespitosa | FRAGRANT EVENING-PRIMROSE | Native |
Oenothera cespitosa subsp. crinita | CESPITOSE EVENING-PRIMROSE | Native |
Oenothera cespitosa subsp. marginata | | Native |
Oenothera cespitosa var. crinita (Under Oenothera cespitosa subsp. crinita) | | Synonym |
Oenothera cespitosa var. marginata (Under Oenothera cespitosa subsp. marginata) | | Synonym |
Oenothera chamaenerioides (Under Eremothera chamaenerioides) | | Synonym |
Oenothera cheiranthifolia (Under Camissoniopsis cheiranthifolia) | | Synonym |
Oenothera cheiranthifolia subsp. suffruticosa (Under Camissoniopsis cheiranthifolia subsp. suffruticosa) | | Synonym |
Oenothera cheiranthifolia var. nitida (Under Camissoniopsis cheiranthifolia) | | Synonym |
Oenothera cheiranthifolia var. suffruticosa (Under Camissoniopsis cheiranthifolia subsp. suffruticosa) | | Synonym |
Oenothera claviformis (Under Chylismia claviformis) | | Synonym |
Oenothera claviformis subsp. aurantiaca (Under Chylismia claviformis subsp. aurantiaca) | | Synonym |
Oenothera claviformis subsp. citrina (Under Chylismia claviformis subsp. cruciformis) | | Synonym |
Oenothera claviformis subsp. cruciformis (Under Chylismia claviformis subsp. cruciformis) | | Synonym |
Oenothera claviformis subsp. funerea (Under Chylismia claviformis subsp. funerea) | | Synonym |
Oenothera claviformis subsp. integrior (Under Chylismia claviformis subsp. integrior) | | Synonym |
Oenothera claviformis subsp. lancifolia (Under Chylismia claviformis subsp. lancifolia) | | Synonym |
Oenothera claviformis subsp. peirsonii (Under Chylismia claviformis subsp. peirsonii) | | Synonym |
Oenothera claviformis subsp. yumae (Under Chylismia claviformis subsp. yumae) | | Synonym |
Oenothera contorta (Under Camissonia contorta) | | Synonym |
Oenothera contorta var. flexuosa (Under Camissonia parvula) | | Synonym |
Oenothera contorta var. flexuosa (Under Camissonia pusilla) | | Unabridged misapplied name |
Oenothera cruciata (Under Camissonia contorta) | | Illegitimate name |
Oenothera cruciata (Under Camissonia lacustris) | | Unabridged misapplied name |
Oenothera curtiflora | LIZARD-TAIL, VELVET WEED | Naturalized |
Oenothera decorticans (Under Eremothera boothii subsp. decorticans) | | Synonym |
Oenothera deltoides | DEVIL'S LANTERN, LION-IN-A-CAGE, BASKET EVENING-PRIMROSE | Native |
Oenothera deltoides subsp. cognata | | Native |
Oenothera deltoides subsp. deltoides | | Native |
Oenothera deltoides subsp. howellii | ANTIOCH DUNES EVENING-PRIMROSE | Native |
Oenothera deltoides subsp. piperi | | Native |
Oenothera dentata (Under Camissonia lacustris) | | Unabridged misapplied name |
Oenothera dentata (Under Camissonia strigulosa) | | Misapplied name |
Oenothera deserti (Under Eremothera refracta) | | Synonym |
Oenothera elata | | Native |
Oenothera elata subsp. hirsutissima | | Native |
Oenothera elata subsp. hookeri | | Native |
Oenothera flava | | Native |
Oenothera flava subsp. flava (Under Oenothera flava) | | Synonym |
Oenothera glazioviana | | Naturalized |
Oenothera graciliflora (Under Tetrapteron graciliflorum) | | Synonym |
Oenothera guadalupensis subsp. clementina (Under Camissoniopsis guadalupensis subsp. clementina) | | Synonym |
Oenothera hallii (Under Camissoniopsis pallida subsp. hallii) | | Synonym |
Oenothera heterochroma (Under Chylismia heterochroma) | | Synonym |
Oenothera heterochroma subsp. monoensis (Under Chylismia heterochroma) | | Synonym |
Oenothera heterophylla (Under Camissoniopsis bistorta) | | Synonym |
Oenothera hirta (Under Camissoniopsis intermedia) | | Unabridged misapplied name |
Oenothera hirta (Under Camissoniopsis micrantha) | | Illegitimate name |
Oenothera hirtella (Under Camissoniopsis hirtella) | | Synonym |
Oenothera hookeri (Under Oenothera villosa subsp. strigosa) | | Misapplied name |
Oenothera hookeri subsp. angustifolia (Under Oenothera elata subsp. hirsutissima) | | Synonym |
Oenothera hookeri subsp. grisea (Under Oenothera elata subsp. hirsutissima) | | Synonym |
Oenothera hookeri subsp. montereyensis (Under Oenothera elata subsp. hookeri) | | Synonym |
Oenothera hookeri subsp. venusta (Under Oenothera elata subsp. hirsutissima) | | Synonym |
Oenothera hookeri subsp. wolfii (Under Oenothera wolfii) | | Synonym |
Oenothera ignota (Under Camissoniopsis confusa) | | Unabridged misapplied name |
Oenothera ignota (Under Camissoniopsis ignota) | | Synonym |
Oenothera kernensis subsp. gilmanii (Under Camissonia kernensis subsp. gilmanii) | | Synonym |
Oenothera kernensis subsp. mojavensis (Under Camissonia kernensis subsp. gilmanii) | | Synonym |
Oenothera laciniata | | Naturalized |
Oenothera laciniata subsp. pubescens (Under Oenothera pubescens) | | Synonym |
Oenothera leptocarpa (Under Eulobus californicus) | | Synonym |
Oenothera longissima | LONG-STEM EVENING-PRIMROSE | Native |
Oenothera longissima subsp. clutei (Under Oenothera longissima) | | Synonym |
Oenothera micrantha (Under Camissoniopsis intermedia) | | Unabridged misapplied name |
Oenothera micrantha (Under Camissoniopsis lewisii) | | Unabridged misapplied name |
Oenothera micrantha (Under Camissoniopsis luciae) | | Unabridged misapplied name |
Oenothera micrantha (Under Camissoniopsis micrantha) | | Synonym |
Oenothera micrantha (Under Camissoniopsis robusta) | | Unabridged misapplied name |
Oenothera micrantha var. ignota (Under Camissoniopsis ignota) | | Synonym |
Oenothera micrantha var. jonesii (Under Camissoniopsis hirtella) | | Synonym |
Oenothera micrantha var. jonesii (Under Camissoniopsis luciae) | | Unabridged misapplied name |
Oenothera minor (Under Eremothera minor) | | Synonym |
Oenothera multijuga var. parviflora (Under Chylismia walkeri subsp. tortilis) | | Synonym |
Oenothera munzii (Under Chylismia munzii) | | Synonym |
Oenothera ovata (Under Taraxia ovata) | | Synonym |
Oenothera palmeri (Under Tetrapteron palmeri) | | Synonym |
Oenothera parvula (Under Camissonia parvula) | | Synonym |
Oenothera primiveris | | Native |
Oenothera primiveris subsp. bufonis (Under Oenothera primiveris) | | Synonym |
Oenothera pterosperma (Under Chylismiella pterosperma) | | Synonym |
Oenothera pubens (Under Camissonia pubens) | | Synonym |
Oenothera pubescens | | Native |
Oenothera refracta (Under Eremothera refracta) | | Synonym |
Oenothera rosea | | Waif |
Oenothera scapoidea var. tortilis (Under Chylismia walkeri subsp. tortilis) | | Synonym |
Oenothera sinuosa | WAVY-LEAVED GAURA | Naturalized |
Oenothera speciosa | | Naturalized |
Oenothera speciosa var. childsii (Under Oenothera speciosa) | | Synonym |
Oenothera stricta subsp. stricta | | Waif |
Oenothera strigosa (Under Oenothera villosa subsp. strigosa) | | Synonym |
Oenothera strigulosa (Under Camissonia contorta) | | Unabridged misapplied name |
Oenothera strigulosa (Under Camissonia strigulosa) | | Synonym |
Oenothera subacaulis (Under Taraxia subacaulis) | | Synonym |
Oenothera subacaulis var. taraxacifolia (Under Taraxia subacaulis) | | Synonym |
Oenothera suffrutescens | WILD HONEYSUCKLE, LINDA TARDE | Native |
Oenothera tanacetifolia (Under Taraxia tanacetifolia) | | Synonym |
Oenothera villosa subsp. strigosa | | Native |
Oenothera walkeri subsp. tortilis (Under Chylismia walkeri subsp. tortilis) | | Synonym |
Oenothera wolfii | WOLF'S EVENING-PRIMROSE | Native |
Oenothera xenogaura | | Naturalized |
Oenothera xylocarpa | | Native |
Olea | OLIVE | |
Olea europaea | | Naturalized |
Olea europaea subsp. africana (Under Olea europaea) | | Synonym |
Oleaceae ↳ Key to Oleaceae | OLIVE FAMILY | |
Oligomeris | | |
Oligomeris linifolia | | Native |
Olneya | IRONWOOD | |
Olneya tesota | IRONWOOD | Native |
Olsynium | | |
Olsynium douglasii var. douglasii | PURPLE-EYED-GRASS, GRASS WIDOWS | Native |
Onagraceae ↳ Key to Onagraceae | EVENING-PRIMROSE FAMILY | |
Oncosiphon | | |
Oncosiphon pilulifer | STINKNET | Naturalized |
Oncosiphon piluliferum (Under Oncosiphon pilulifer) | | Orthographic variant |
Onobrychis | | |
Onobrychis viciifolia | SANFOIN | Naturalized |
Onopordum ↳ Key to Onopordum | | |
Onopordum acanthium subsp. acanthium | SCOTCH THISTLE | Naturalized |
Onopordum illyricum | ILLYRIAN THISTLE | Naturalized |
Onopordum tauricum | TAURIAN THISTLE | Naturalized |
Onychium densum (Under Aspidotis densa) | | Synonym |
Ophioglossaceae ↳ Key to Ophioglossaceae | ADDER'S-TONGUE FAMILY | |
Ophioglossum ↳ Key to Ophioglossum | ADDER'S-TONGUE | |
Ophioglossum californicum | CALIFORNIA ADDER'S-TONGUE | Native |
Ophioglossum lusitanicum subsp. californicum (Under Ophioglossum californicum) | | Synonym |
Ophioglossum pusillum | NORTHERN ADDER'S-TONGUE | Native |
Ophioglossum vulgatum var. pseudopodum (Under Ophioglossum pusillum) | | Synonym |
Opuntia ↳ Key to Opuntia | PRICKLY-PEAR | |
Opuntia ×charlestonensis | | Native |
Opuntia ×fosbergii (Under Cylindropuntia fosbergii) | | Synonym |
Opuntia ×munzii (Under Cylindropuntia munzii) | | Synonym |
Opuntia ×occidentalis | | Native |
Opuntia ×vaseyi (Under Opuntia vaseyi) | | Synonym |
Opuntia ×wigginsii (Under Cylindropuntia echinocarpa) | | Synonym |
Opuntia acanthocarpa subsp. ganderi (Under Cylindropuntia ganderi) | | Synonym |
Opuntia acanthocarpa var. coloradensis (Under Cylindropuntia acanthocarpa var. acanthocarpa) | | Synonym |
Opuntia basilaris | | Native |
Opuntia basilaris var. basilaris | BEAVERTAIL | Native |
Opuntia basilaris var. brachyclada | SHORT-JOINT BEAVERTAIL | Native |
Opuntia basilaris var. ramosa (Under Opuntia basilaris var. basilaris) | | Synonym |
Opuntia basilaris var. treleasei | BAKERSFIELD CACTUS | Native |
Opuntia bernardina (Under Cylindropuntia bernardina) | | Synonym |
Opuntia bigelovii (Under Cylindropuntia bigelovii) | | Synonym |
Opuntia bigelovii var. hoffmannii (Under Cylindropuntia fosbergii) | | Synonym |
Opuntia californica var. parkeri (Under Cylindropuntia bernardina) | | Synonym |
Opuntia chlorotica | PANCAKE PRICKLY-PEAR | Native |
Opuntia curvispina | | Native |
Opuntia echinocarpa (Under Cylindropuntia echinocarpa) | | Synonym |
Opuntia echinocarpa var. parkeri (Under Cylindropuntia bernardina) | | Synonym |
Opuntia engelmannii var. engelmannii | ENGELMANN PRICKLY-PEAR | Native |
Opuntia erinacea var. erinacea (Under Opuntia polyacantha var. erinacea) | | Synonym |
Opuntia erinacea var. hystricina (Under Opuntia polyacantha var. hystricina) | | Synonym |
Opuntia erinacea var. ursina (Under Opuntia polyacantha var. erinacea) | | Synonym |
Opuntia erinacea var. utahensis (Under Opuntia polyacantha var. erinacea) | | Synonym |
Opuntia ficus-indica | MISSION PRICKLY-PEAR | Naturalized |
Opuntia ficus-indica (Under Opuntia ×occidentalis) | | Unabridged misapplied name |
Opuntia fosbergii (Under Cylindropuntia fosbergii) | | Synonym |
Opuntia fragilis | BRITTLE PRICKLY-PEAR | Native |
Opuntia ganderi (Under Cylindropuntia ganderi) | | Synonym |
Opuntia humistrata (Under Opuntia basilaris var. brachyclada) | | Synonym |
Opuntia leucotricha | NOPAL DURAZNILLO | Waif |
Opuntia littoralis | | Native |
Opuntia littoralis (Under Opuntia oricola) | | Unabridged misapplied name |
Opuntia littoralis var. austrocalifornica (Under Opuntia vaseyi) | | Synonym |
Opuntia littoralis var. piercei (Under Opuntia phaeacantha) | | Synonym |
Opuntia littoralis var. vaseyi (Under Opuntia vaseyi) | | Synonym |
Opuntia megacantha (Under Opuntia ficus-indica) | | Unabridged misapplied name |
Opuntia microdasys | BUNNY EARS | Naturalized |
Opuntia munzii (Under Cylindropuntia munzii) | | Synonym |
Opuntia occidentalis (Under Opuntia littoralis) | | Unabridged misapplied name |
Opuntia occidentalis var. covillei (Under Opuntia vaseyi) | | Synonym |
Opuntia oricola | | Native |
Opuntia parishii (Under Grusonia parishii) | | Synonym |
Opuntia parryi (Under Cylindropuntia bernardina) | | Synonym |
Opuntia parryi var. parryi (Under Cylindropuntia bernardina) | | Synonym |
Opuntia parryi var. serpentina (Under Cylindropuntia californica var. californica) | | Synonym |
Opuntia phaeacantha | BROWN-SPINED PRICKLY-PEAR | Native |
Opuntia phaeacantha var. discata (Under Opuntia engelmannii var. engelmannii) | | Synonym |
Opuntia phaeacantha var. major (Under Opuntia phaeacantha) | | Synonym |
Opuntia polyacantha | STARVATION PRICKLY-PEAR | Native |
Opuntia polyacantha var. erinacea | MOJAVE PRICKLY-PEAR, GRIZZLY BEAR PRICKLY-PEAR | Native |
Opuntia polyacantha var. hystricina | PORCUPINE PRICKLY-PEAR | Native |
Opuntia polyacantha var. rufispina (Under Opuntia polyacantha var. erinacea) | | Misapplied name |
Opuntia prolifera (Under Cylindropuntia prolifera) | | Synonym |
Opuntia pulchella (Under Grusonia pulchella) | | Synonym |
Opuntia ramosissima (Under Cylindropuntia ramosissima) | | Synonym |
Opuntia robusta | NOPAL TAPON | Waif |
Opuntia semispinosa (Under Opuntia littoralis) | | Synonym |
Opuntia serpentina (Under Cylindropuntia californica var. californica) | | Synonym |
Opuntia stanlyi (Under Grusonia parishii) | | Synonym |
Opuntia stanlyi var. parishii (Under Grusonia parishii) | | Synonym |
Opuntia treleasei (Under Opuntia basilaris var. treleasei) | | Synonym |
Opuntia ursina (Under Opuntia polyacantha var. erinacea) | | Synonym |
Opuntia vaseyi | | Native |
Opuntia whitneyana (Under Opuntia basilaris var. basilaris) | | Synonym |
Opuntia wigginsii (Under Cylindropuntia echinocarpa) | | Synonym |
Opuntia wolfii (Under Cylindropuntia wolfii) | | Synonym |
Orchidaceae ↳ Key to Orchidaceae | ORCHID FAMILY | |
Orcuttia ↳ Key to Orcuttia | | |
Orcuttia californica | CALIFORNIA ORCUTT GRASS | Native |
Orcuttia californica var. inaequalis (Under Orcuttia inaequalis) | | Synonym |
Orcuttia californica var. viscida (Under Orcuttia viscida) | | Synonym |
Orcuttia greenei (Under Tuctoria greenei) | | Synonym |
Orcuttia inaequalis | SAN JOAQUIN VALLEY ORCUTT GRASS | Native |
Orcuttia mucronata (Under Tuctoria mucronata) | | Synonym |
Orcuttia pilosa | HAIRY ORCUTT GRASS | Native |
Orcuttia tenuis | SLENDER ORCUTT GRASS | Native |
Orcuttia viscida | SACRAMENTO ORCUTT GRASS | Native |
Oreobroma aridorum (Under Lewisia pygmaea) | | Synonym |
Oreobroma brachycalyx (Under Lewisia brachycalyx) | | Synonym |
Oreobroma congdonii (Under Lewisia congdonii) | | Synonym |
Oreobroma exarticulatum (Under Lewisia pygmaea) | | Synonym |
Oreobroma heckneri (Under Lewisia cotyledon var. heckneri) | | Synonym |
Oreobroma howellii (Under Lewisia cotyledon var. howellii) | | Synonym |
Oreobroma leeanum (Under Lewisia leeana) | | Synonym |
Oreobroma longipetalum (Under Lewisia longipetala) | | Synonym |
Oreobroma oppositifolium (Under Lewisia oppositifolia) | | Synonym |
Oreobroma triphyllum (Under Lewisia triphylla) | | Synonym |
Oreocarya ↳ Key to Oreocarya | | |
Oreocarya abortiva | BOW-NUT OREOCARYA | Native |
Oreocarya confertiflora | YELLOW-FLOWERED OREOCARYA | Native |
Oreocarya crymophila | SUBALPINE OREOCARYA | Native |
Oreocarya flavoculata | YELLOW-EYED OREOCARYA | Native |
Oreocarya glomerata | COCKS-COMB CAT'S-EYE | Native |
Oreocarya hoffmannii | WHITE MOUNTAINS OREOCARYA | Native |
Oreocarya humilis subsp. humilis | LOW OREOCARYA | Native |
Oreocarya nubigena | SIERRA OREOCARYA | Native |
Oreocarya roosiorum | BRISTLECONE OREOCARYA | Native |
Oreocarya schoolcraftii | SCHOOLCRAFT'S OREOCARYA | Native |
Oreocarya sobolifera | CREEPING OREOCARYA | Native |
Oreocarya subretusa | CRATER LAKE OREOCARYA | Native |
Oreocarya tumulosa | NEW YORK MOUNTAINS OREOCARYA | Native |
Oreocarya virginensis | VIRGIN RIVER OREOCARYA | Native |
Oreonana ↳ Key to Oreonana | | |
Oreonana clementis | | Native |
Oreonana purpurascens | PURPLE MOUNTAIN-PARSLEY | Native |
Oreonana vestita | WOOLLY MOUNTAIN-PARSLEY | Native |
Oreostemma ↳ Key to Oreostemma | ASTER | |
Oreostemma alpigenum var. andersonii | | Native |
Oreostemma elatum | TALL ALPINE-ASTER | Native |
Oreostemma peirsonii | | Native |
Origanum ↳ Key to Origanum | | |
Origanum ×majoricum | ITALIAN OREGANO, HARDY SWEET MARJORAM | Naturalized |
Origanum vulgare subsp. hirtum | OREGANO | Naturalized |
Ornithopus ↳ Key to Ornithopus | | |
Ornithopus pinnatus | | Naturalized |
Ornithopus sativus | COMMON BIRDSFOOT | Naturalized |
Ornithopus sativus subsp. isthmocarpus (Under Ornithopus sativus) | | Synonym |
Ornithopus sativus subsp. sativus (Under Ornithopus sativus) | | Synonym |
Ornithopus sativus var. macrorrhynchus (Under Ornithopus sativus) | | Synonym |
Ornithostaphylos | | |
Ornithostaphylos oppositifolia | BAJA CALIFORNIA BIRDBUSH | Native |
Orobanchaceae ↳ Key to Orobanchaceae | BROOMRAPE FAMILY | |
Orobanche bulbosa (Under Aphyllon tuberosum) | | Synonym |
Orobanche californica (Under Aphyllon californicum) | | Synonym |
Orobanche californica subsp. condensa (Under Aphyllon californicum subsp. condensum) | | Synonym |
Orobanche californica subsp. feudgei (Under Aphyllon californicum subsp. feudgei) | | Synonym |
Orobanche californica subsp. grandis (Under Aphyllon californicum subsp. grande) | | Synonym |
Orobanche californica subsp. grayana (Under Aphyllon californicum subsp. grayanum) | | Synonym |
Orobanche californica subsp. jepsonii (Under Aphyllon californicum subsp. jepsonii) | | Synonym |
Orobanche californica var. californica (Under Aphyllon vallicola) | | Unabridged misapplied name |
Orobanche californica var. claremontensis (Under Aphyllon vallicola) | | Unabridged misapplied name |
Orobanche californica var. corymbosa (Under Aphyllon corymbosum) | | Synonym |
Orobanche californica var. parishii (Under Aphyllon parishii subsp. parishii) | | Synonym |
Orobanche cooperi (Under Aphyllon cooperi) | | Synonym |
Orobanche corymbosa (Under Aphyllon corymbosum) | | Synonym |
Orobanche fasciculata (Under Aphyllon fasciculatum) | | Synonym |
Orobanche fasciculata var. franciscana (Under Aphyllon franciscanum) | | Synonym |
Orobanche fasciculata var. lutea (Under Aphyllon fasciculatum) | | Synonym |
Orobanche fasciculata var. subulata (Under Aphyllon fasciculatum) | | Synonym |
Orobanche grayana var. feudgei (Under Aphyllon californicum subsp. feudgei) | | Synonym |
Orobanche grayana var. grayana (Under Aphyllon californicum subsp. grayanum) | | Synonym |
Orobanche grayana var. jepsonii (Under Aphyllon californicum subsp. jepsonii) | | Synonym |
Orobanche grayana var. nelsonii (Under Aphyllon californicum subsp. californicum) | | Synonym |
Orobanche grayana var. violacea (Under Aphyllon californicum subsp. californicum) | | Synonym |
Orobanche parishii (Under Aphyllon parishii) | | Synonym |
Orobanche parishii subsp. brachyloba (Under Aphyllon parishii subsp. brachylobum) | | Synonym |
Orobanche pinorum (Under Aphyllon pinorum) | | Synonym |
Orobanche ramosa (Under Phelipanche ramosa) | | Synonym |
Orobanche uniflora (Under Aphyllon purpureum) | | Unabridged misapplied name |
Orobanche uniflora subsp. occidentalis (Under Aphyllon purpureum) | | Synonym |
Orobanche uniflora var. minuta (Under Aphyllon purpureum) | | Synonym |
Orobanche uniflora var. purpurea (Under Aphyllon purpureum) | | Synonym |
Orobanche uniflora var. sedi (Under Aphyllon purpureum) | | Synonym |
Orobanche valida (Under Aphyllon validum) | | Synonym |
Orobanche valida subsp. howellii (Under Aphyllon validum subsp. howellii) | | Synonym |
Orobanche vallicola (Under Aphyllon vallicola) | | Synonym |
Orochaenactis | | |
Orochaenactis thysanocarpha | | Native |
Orogenia fusiformis (Under Lomatium fusiformis) | | Synonym |
Orthilia | | |
Orthilia secunda | ONE-SIDED WINTERGREEN | Native |
Orthocarpus ↳ Key to Orthocarpus | | |
Orthocarpus attenuatus (Under Castilleja attenuata) | | Synonym |
Orthocarpus bidwelliae var. micranthus (Under Triphysaria micrantha) | | Synonym |
Orthocarpus bracteosus | | Native |
Orthocarpus brevistyla (Under Castilleja brevistyla) | | Synonym |
Orthocarpus campestris (Under Castilleja campestris) | | Synonym |
Orthocarpus campestris var. succulentus (Under Castilleja campestris subsp. succulenta) | | Synonym |
Orthocarpus castillejoides (Under Castilleja ambigua) | | Synonym |
Orthocarpus castillejoides var. humboldtiensis (Under Castilleja ambigua subsp. humboldtiensis) | | Synonym |
Orthocarpus castillejoides var. insalutatus (Under Castilleja ambigua subsp. insalutata) | | Synonym |
Orthocarpus copelandii (Under Orthocarpus cuspidatus subsp. copelandii) | | Synonym |
Orthocarpus copelandii var. cryptanthus (Under Orthocarpus cuspidatus subsp. cryptanthus) | | Synonym |
Orthocarpus cuspidatus | | Native |
Orthocarpus cuspidatus subsp. copelandii | | Native |
Orthocarpus cuspidatus subsp. cryptanthus | | Native |
Orthocarpus cuspidatus subsp. cuspidatus | SISKIYOU MOUNTAINS ORTHOCARPUS | Native |
Orthocarpus densiflorus (Under Castilleja densiflora) | | Synonym |
Orthocarpus densiflorus (Under Castilleja densiflora subsp. densiflora) | | Synonym |
Orthocarpus densiflorus subsp. gracilis (Under Castilleja densiflora subsp. gracilis) | | Synonym |
Orthocarpus densiflorus var. gracilis (Under Castilleja densiflora subsp. gracilis) | | Synonym |
Orthocarpus densiflorus var. obispoensis (Under Castilleja densiflora subsp. obispoensis) | | Synonym |
Orthocarpus erianthus (Under Triphysaria eriantha subsp. eriantha) | | Synonym |
Orthocarpus erianthus var. gratiosus (Under Triphysaria eriantha subsp. eriantha) | | Synonym |
Orthocarpus erianthus var. micranthus (Under Triphysaria micrantha) | | Synonym |
Orthocarpus erianthus var. roseus (Under Triphysaria eriantha subsp. rosea) | | Synonym |
Orthocarpus faucibarbatus (Under Triphysaria versicolor subsp. faucibarbata) | | Synonym |
Orthocarpus faucibarbatus subsp. albidus (Under Triphysaria versicolor subsp. versicolor) | | Synonym |
Orthocarpus floribundus (Under Triphysaria floribunda) | | Synonym |
Orthocarpus hispidus (Under Castilleja tenuis) | | Synonym |
Orthocarpus imbricatus | | Native |
Orthocarpus lacerus (Under Castilleja lacera) | | Synonym |
Orthocarpus lasiorhynchus (Under Castilleja lasiorhyncha) | | Synonym |
Orthocarpus linearilobus (Under Castilleja lineariloba) | | Synonym |
Orthocarpus lithospermoides var. bicolor (Under Castilleja rubicundula subsp. rubicundula) | | Synonym |
Orthocarpus lithospermoides var. lithospermoides (Under Castilleja rubicundula subsp. lithospermoides) | | Synonym |
Orthocarpus luteus | | Native |
Orthocarpus micranthus (Under Triphysaria micrantha) | | Synonym |
Orthocarpus pachystachyus | SHASTA ORTHOCARPUS | Native |
Orthocarpus purpurascens (Under Castilleja exserta) | | Synonym |
Orthocarpus purpurascens (Under Castilleja exserta subsp. exserta) | | Synonym |
Orthocarpus purpurascens var. latifolius (Under Castilleja exserta subsp. latifolia) | | Synonym |
Orthocarpus purpurascens var. ornatus (Under Castilleja exserta subsp. venusta) | | Synonym |
Orthocarpus purpurascens var. pallidus (Under Castilleja exserta subsp. exserta) | | Synonym |
Orthocarpus pusillus (Under Triphysaria pusilla) | | Synonym |
Orthocarpus versicolor var. roseus (Under Triphysaria eriantha subsp. rosea) | | Synonym |
Oryctes | | |
Oryctes nevadensis | NEVADA ORYCTES | Native |
Oryza | RICE | |
Oryza sativa | | Naturalized |
Oryzopsis exigua (Under Stipa exigua) | | Synonym |
Oryzopsis hymenoides (Under Stipa hymenoides) | | Synonym |
Oryzopsis kingii (Under Stipa kingii) | | Synonym |
Oryzopsis micrantha (Under Stipa divaricata) | | Synonym |
Oryzopsis miliacea (Under Stipa miliacea var. miliacea) | | Synonym |
Oryzopsis webberi (Under Stipa webberi) | | Synonym |
Osmadenia | | |
Osmadenia tenella | OSMADENIA | Native |
Osmaronia cerasiformis (Under Oemleria cerasiformis) | | Synonym |
Osmorhiza ↳ Key to Osmorhiza | SWEET-CICELY | |
Osmorhiza berteroi | | Native |
Osmorhiza brachypoda | | Native |
Osmorhiza chilensis (Under Osmorhiza berteroi) | | Synonym |
Osmorhiza depauperata | BLUNT-FRUITED SWEET-CICELY | Native |
Osmorhiza occidentalis | | Native |
Osmorhiza purpurea | | Native |
Osteospermum ecklonis (Under Dimorphotheca ecklonis) | | Synonym |
Osteospermum fruticosum (Under Dimorphotheca fruticosa) | | Synonym |
Ottelia | | |
Ottelia alismoides | | Extirpated alien |
Ourisia californica (Under Hesperochiron nanus) | | Synonym |
Oxalidaceae | OXALIS FAMILY | |
Oxalis ↳ Key to Oxalis | | |
Oxalis albicans subsp. californica (Under Oxalis californica) | | Synonym |
Oxalis albicans subsp. pilosa (Under Oxalis pilosa) | | Synonym |
Oxalis articulata subsp. rubra | WINDOWBOX WOOD-SORREL | Naturalized |
Oxalis bowiei | BOWIE'S WOOD-SORREL | Waif |
Oxalis californica | CALIFORNIA WOOD-SORREL | Native |
Oxalis cernua (Under Oxalis pes-caprae) | | Synonym |
Oxalis corniculata | | Naturalized |
Oxalis corniculata subsp. pilosa (Under Oxalis pilosa) | | Synonym |
Oxalis corniculata var. wrightii (Under Oxalis pilosa) | | Synonym |
Oxalis incarnata | CRIMSON WOOD-SORREL | Naturalized |
Oxalis laxa (Under Oxalis micrantha) | | Misapplied name |
Oxalis micrantha | DWARF WOOD-SORREL | Naturalized |
Oxalis oregana | OREGON WOOD SORREL | Native |
Oxalis oregana f. smalliana (Under Oxalis smalliana) | | Synonym |
Oxalis oregana var. smalliana (Under Oxalis smalliana) | | Synonym |
Oxalis oregana var. smallii (Under Oxalis smalliana) | | Illegitimate name |
Oxalis pes-caprae | BERMUDA BUTTERCUP | Naturalized |
Oxalis pilosa | | Native |
Oxalis purpurea | PURPLE WOOD-SORREL | Waif |
Oxalis rubra (Under Oxalis articulata subsp. rubra) | | Synonym |
Oxalis smalliana | REDWOOD SORREL | Native |
Oxalis smallii (Under Oxalis smalliana) | | Illegitimate name |
Oxalis suksdorfii | SUKSDORF'S WOOD-SORREL | Native |
Oxalis trilliifolia | | Native |
Oxalis variabilis (Under Oxalis purpurea) | | Synonym |
Oxybaphus coccineus (Under Mirabilis coccinea) | | Synonym |
Oxybaphus laevis (Under Mirabilis laevis) | | Synonym |
Oxybaphus nyctagineus (Under Mirabilis nyctaginea) | | Synonym |
Oxypolis | | |
Oxypolis occidentalis | | Native |
Oxyria | MOUNTAIN SORREL | |
Oxyria digyna | | Native |
Oxystylis lutea (Under Cleomella oxystyloides) | | Synonym |
Oxytenia acerosa (Under Euphrosyne acerosa) | | Synonym |
Oxytheca ↳ Key to Oxytheca | | |
Oxytheca abramsii (Under Acanthoscyphus parishii var. abramsii) | | Synonym |
Oxytheca caryophylloides (Under Sidotheca caryophylloides) | | Synonym |
Oxytheca dendroidea subsp. dendroidea | TREE-LIKE PUNCTUREBRACT | Native |
Oxytheca dendroidea var. foliosa (Under Oxytheca dendroidea subsp. dendroidea) | | Synonym |
Oxytheca dendroidea var. hillmanii (Under Oxytheca dendroidea subsp. dendroidea) | | Synonym |
Oxytheca emarginata (Under Sidotheca emarginata) | | Synonym |
Oxytheca foliosa (Under Oxytheca dendroidea subsp. dendroidea) | | Synonym |
Oxytheca glandulosa (Under Eriogonum glandulosum) | | Synonym |
Oxytheca hirtiflora (Under Eriogonum hirtiflorum) | | Synonym |
Oxytheca inermis (Under Eriogonum inerme var. inerme) | | Synonym |
Oxytheca insignis (Under Aristocapsa insignis) | | Synonym |
Oxytheca luteola (Under Goodmania luteola) | | Synonym |
Oxytheca parishii (Under Acanthoscyphus parishii) | | Synonym |
Oxytheca parishii subsp. abramsii (Under Acanthoscyphus parishii var. abramsii) | | Synonym |
Oxytheca parishii var. abramsii (Under Acanthoscyphus parishii var. abramsii) | | Synonym |
Oxytheca parishii var. cienegensis (Under Acanthoscyphus parishii var. cienegensis) | | Synonym |
Oxytheca parishii var. goodmaniana (Under Acanthoscyphus parishii var. goodmaniana) | | Synonym |
Oxytheca parishii var. parishii (Under Acanthoscyphus parishii var. parishii) | | Synonym |
Oxytheca perfoliata | ROUND-LEAF PUNCTUREBRACT | Native |
Oxytheca reddingiana (Under Eriogonum spergulinum var. reddingianum) | | Synonym |
Oxytheca spergulina (Under Eriogonum spergulinum var. spergulinum) | | Synonym |
Oxytheca trilobata (Under Sidotheca trilobata) | | Synonym |
Oxytheca watsonii | WATSON'S OXYTHECA | Native |
Oxytropis ↳ Key to Oxytropis | LOCOWEED, OXYTROPE | |
Oxytropis borealis | BOREAL LOCOWEED | Native |
Oxytropis borealis var. australis | | Native |
Oxytropis borealis var. viscida | STICKY OXYTROPE | Native |
Oxytropis deflexa var. culminis (Under Oxytropis deflexa var. sericea) | | Synonym |
Oxytropis deflexa var. sericea | BLUE PENDENT-POD OXYTROPE | Native |
Oxytropis oreophila | | Native |
Oxytropis oreophila var. juniperina | MOUNTAIN OXYTROPE | Native |
Oxytropis oreophila var. oreophila | ROCK-LOVING OXYTROPE | Native |
Oxytropis parryi | PARRY'S OXYTROPE | Native |
Oxytropis viscida (Under Oxytropis borealis var. viscida) | | Synonym |
Ozomelis ↳ Key to Ozomelis | | |
Ozomelis diversifolia | | Native |
Ozomelis trifida | | Native |
Packera ↳ Key to Packera | GROUNDSEL, RAGWORT, BUTTERWEED | |
Packera bernardina | SAN BERNARDINO RAGWORT | Native |
Packera bolanderi var. bolanderi | SEACOAST RAGWORT | Native |
Packera breweri | BREWER'S RAGWORT | Native |
Packera cana | WOOLLY GROUNDSEL | Native |
Packera clevelandii | CLEVELAND'S RAGWORT | Native |
Packera eurycephala | | Native |
Packera eurycephala var. eurycephala | WIDEHEAD GROUNDSEL | Native |
Packera eurycephala var. lewisrosei | LEWIS ROSE'S RAGWORT | Native |
Packera ganderi | GANDER'S RAGWORT | Native |
Packera greenei | FLAME RAGWORT | Native |
Packera hesperia | WESTERN RAGWORT | Native |
Packera indecora | RAYLESS MOUNTAIN RAGWORT | Native |
Packera ionophylla | TEHACHAPI RAGWORT | Native |
Packera layneae | LAYNE'S RAGWORT | Native |
Packera macounii | SISKIYOU MOUNTAINS RAGWORT | Native |
Packera multilobata | LOBELEAF GROUNDSEL | Native |
Packera pauciflora | ALPINE GROUNDSEL | Native |
Packera pseudaurea var. pseudaurea | FALSE-GOLD GROUNDSEL | Native |
Packera streptanthifolia var. rubricaulis (Under Packera streptanthifolia var. streptanthifolia) | | Invalid name |
Packera streptanthifolia var. rubricaulis (Under Packera streptanthifolia var. streptanthifolia) | | Invalid name |
Packera streptanthifolia var. streptanthifolia | ROCKY MOUNTAIN GROUNDSEL | Native |
Packera subnuda var. subnuda | CLEFTLEAF GROUNDSEL | Native |
Packera werneriifolia | HOARY GROUNDSEL | Native |
Paeonia ↳ Key to Paeonia | PEONY | |
Paeonia brownii | | Native |
Paeonia californica | | Native |
Paeoniaceae | PEONY FAMILY | |
Palafoxia | | |
Palafoxia arida ↳ Key to Palafoxia arida | | Native |
Palafoxia arida var. arida | | Native |
Palafoxia arida var. gigantea | GIANT SPANISH-NEEDLE | Native |
Pallenis | | |
Pallenis maritima | GOLD COIN | Naturalized |
Pancratium | | |
Pancratium maritimum | | Naturalized |
Panicum ↳ Key to Panicum | PANIC GRASS | |
Panicum acuminatum | | Native |
Panicum acuminatum var. fasciculatum | PACIFIC PANIC GRASS | Native |
Panicum acuminatum var. lindheimeri | | Native |
Panicum acuminatum var. thermale | GEYSERS PANICUM | Native |
Panicum antidotale | BLUE PANIC GRASS | Naturalized |
Panicum capillare | WITCH GRASS | Native |
Panicum capillare subsp. hillmanii (Under Panicum hillmanii) | | Synonym |
Panicum dichotomiflorum subsp. dichotomiflorum | FALL PANIC GRASS | Naturalized |
Panicum dichotomiflorum var. dichotomiflorum (Under Panicum dichotomiflorum subsp. dichotomiflorum) | | Synonym |
Panicum hillmanii | HILLMAN'S PANIC GRASS | Naturalized |
Panicum hirticaule subsp. hirticaule | ROUGHSTALK WITCH GRASS | Native |
Panicum hirticaule var. hirticaule (Under Panicum hirticaule subsp. hirticaule) | | Synonym |
Panicum huachucae (Under Panicum acuminatum var. fasciculatum) | | Synonym |
Panicum lassenianum (Under Panicum acuminatum var. thermale) | | Synonym |
Panicum lindheimeri (Under Panicum acuminatum var. lindheimeri) | | Synonym |
Panicum miliaceum subsp. miliaceum | BROOM CORN MILLET | Naturalized |
Panicum occidentale (Under Panicum acuminatum var. fasciculatum) | | Synonym |
Panicum oligosanthes var. scribnerianum | SCRIBNER'S PANIC GRASS | Native |
Panicum pacificum (Under Panicum acuminatum var. fasciculatum) | | Synonym |
Panicum rigidulum subsp. rigidulum | REDTOP PANICUM | Naturalized |
Panicum rigidulum var. rigidulum (Under Panicum rigidulum subsp. rigidulum) | | Synonym |
Panicum scribnerianum (Under Panicum oligosanthes var. scribnerianum) | | Synonym |
Panicum thermale (Under Panicum acuminatum var. thermale) | | Synonym |
Panicum urvilleanum | SILKY PANIC GRASS | Native |
Papaver ↳ Key to Papaver | | |
Papaver apulum var. micranthum (Under Papaver hybridum) | | Unabridged misapplied name |
Papaver argemone | | Waif |
Papaver californicum | FIRE POPPY | Native |
Papaver heterophyllum | WIND POPPY | Native |
Papaver hybridum | ROUGH POPPY | Naturalized |
Papaver lemmonii (Under Papaver californicum) | | Synonym |
Papaver rhoeas | CORN POPPY | Naturalized |
Papaver somniferum | OPIUM POPPY | Waif |
Papaveraceae ↳ Key to Papaveraceae | POPPY FAMILY | |
Pappostipa speciosa (Under Stipa speciosa) | | Synonym |
Parapholis ↳ Key to Parapholis | SICKLE GRASS | |
Parapholis incurva | | Naturalized |
Parapholis strigosa | | Naturalized |
Paraserianthes | | |
Paraserianthes lophantha | PLUME ALBIZIA | Naturalized |
Parathelypteris nevadensis (Under Amauropelta nevadensis) | | Synonym |
Parentucellia | | |
Parentucellia latifolia | BROADLEAF GLANDWEED | Naturalized |
Parentucellia viscosa (Under Bellardia viscosa) | | Synonym |
Parietaria ↳ Key to Parietaria | PELLITORY | |
Parietaria hespera | | Native |
Parietaria hespera var. californica | | Native |
Parietaria hespera var. hespera | | Native |
Parietaria judaica | | Naturalized |
Parietaria pensylvanica | | Native |
Parishella californica (Under Nemacladus californicus) | | Synonym |
Parkinsonia ↳ Key to Parkinsonia | PALO VERDE | |
Parkinsonia aculeata | MEXICAN PALO VERDE | Naturalized |
Parkinsonia florida | BLUE PALO VERDE | Native |
Parkinsonia microphylla | LITTLE-LEAVED PALO VERDE | Native |
Parnassia ↳ Key to Parnassia | GRASS-OF-PARNASSUS | |
Parnassia californica (Under Parnassia palustris) | | Synonym |
Parnassia cirrata | | Native |
Parnassia cirrata var. cirrata | SAN BERNARDINO GRASS-OF-PARNASSUS | Native |
Parnassia cirrata var. intermedia | CASCADE GRASS-OF-PARNASSUS | Native |
Parnassia fimbriata | | Native |
Parnassia palustris | | Native |
Parnassia palustris var. californica (Under Parnassia palustris) | | Synonym |
Parnassia palustris var. montanensis (Under Parnassia palustris) | | Synonym |
Parnassia palustris var. neogaea (Under Parnassia palustris) | | Synonym |
Parnassia palustris var. parviflora (Under Parnassia parviflora) | | Synonym |
Parnassia parviflora | SMALL-FLOWERED GRASS-OF-PARNASSUS | Native |
Parnassiaceae | GRASS-OF-PARNASSUS FAMILY | |
Paronychia ↳ Key to Paronychia | NAILWORT | |
Paronychia ahartii | AHART'S NAILWORT, AHART'S PARONYCHIA | Native |
Paronychia echinulata var. echinulata | | Naturalized |
Paronychia franciscana | | Naturalized |
Paronychia pusilla (Under Herniaria hirsuta var. cinerea) | | Synonym |
Parosela parryi (Under Marina parryi) | | Synonym |
Parrya menziesii var. glabra (Under Phoenicaulis cheiranthoides) | | Synonym |
Parthenium | FEVERFEW | |
Parthenium hysterophorus | SANTA MARIA | Naturalized |
Parthenocissus | VIRGINIA CREEPER | |
Parthenocissus inserta | WOODBINE | Naturalized |
Parthenocissus vitacea (Under Parthenocissus inserta) | | Synonym |
Parvisedum congdonii (Under Sedella pumila) | | Synonym |
Parvisedum leiocarpum (Under Sedella leiocarpa) | | Synonym |
Parvisedum pentandrum (Under Sedella pentandra) | | Synonym |
Parvisedum pumilum (Under Sedella pumila) | | Synonym |
Pascopyrum smithii (Under Elymus smithii) | | Synonym |
Paspalum ↳ Key to Paspalum | | |
Paspalum dilatatum | DALLIS GRASS | Naturalized |
Paspalum distichum | KNOT GRASS | Native |
Paspalum distichum var. indutum (Under Paspalum distichum) | | Synonym |
Paspalum paspalodes (Under Paspalum distichum) | | Synonym |
Paspalum urvillei | | Naturalized |
Paspalum vaginatum | SEASHORE PASPALUM | Naturalized |
Passiflora ↳ Key to Passiflora | PASSION FLOWER | |
Passiflora caerulea | BLUE PASSION FLOWER | Naturalized |
Passiflora mollissima (Under Passiflora tarminiana) | | Misapplied name |
Passiflora tarminiana | BANANA PASSION FRUIT | Naturalized |
Passifloraceae | PASSION FLOWER FAMILY | |
Pastinaca | PARSNIP | |
Pastinaca sativa | | Naturalized |
Paxistima | | |
Paxistima myrsinites | OREGON BOXWOOD | Native |
Pectiantia ↳ Key to Pectiantia | | |
Pectiantia breweri | | Native |
Pectiantia ovalis | | Native |
Pectiantia pentandra | | Native |
Pectis ↳ Key to Pectis | CHINCH-WEED | |
Pectis papposa var. papposa | COMMON CHINCH-WEED | Native |
Pectocarya ↳ Key to Pectocarya | PECTOCARYA, COMBSEED | |
Pectocarya anisocarpa | UNEQUAL-FRUITED PECTOCARYA | Native |
Pectocarya heterocarpa | MIXED-NUT PECTOCARYA | Native |
Pectocarya linearis subsp. ferocula | NARROW-TOOTHED PECTOCARYA | Native |
Pectocarya penicillata | NORTHERN PECTOCARYA | Native |
Pectocarya peninsularis | BAJA PECTOCARYA | Native |
Pectocarya platycarpa | WIDE-TOOTHED PECTOCARYA | Native |
Pectocarya recurvata | ARCHED-NUT PECTOCARYA | Native |
Pectocarya setosa | ROUND-NUT PECTOCARYA | Native |
Pedicularis ↳ Key to Pedicularis | LOUSEWORT | |
Pedicularis attollens | LITTLE ELEPHANT'S HEAD | Native |
Pedicularis aurantiaca | MOUNTAIN WARRIOR'S PLUME | Native |
Pedicularis bracteosa var. flavida | YELLOWISH LOUSEWORT | Native |
Pedicularis centranthera | GREAT BASIN LOUSEWORT | Native |
Pedicularis contorta | CURVED-BEAK LOUSEWORT | Native |
Pedicularis crenulata | SCALLOPED-LEAVED LOUSEWORT | Native |
Pedicularis crenulata f. candida (Under Pedicularis crenulata) | | Synonym |
Pedicularis crenulata subsp. candida (Under Pedicularis crenulata) | | Synonym |
Pedicularis densiflora | WARRIOR'S PLUME | Native |
Pedicularis densiflora subsp. aurantiaca (Under Pedicularis aurantiaca) | | Synonym |
Pedicularis dudleyi | DUDLEY'S LOUSEWORT | Native |
Pedicularis flavida (Under Pedicularis bracteosa var. flavida) | | Synonym |
Pedicularis groenlandica | ELEPHANT'S HEAD | Native |
Pedicularis groenlandica var. surrecta (Under Pedicularis groenlandica) | | Synonym |
Pedicularis howellii | HOWELL'S LOUSEWORT | Native |
Pedicularis racemosa | LEAFY LOUSEWORT | Native |
Pedicularis rigginsiae | ARROYO DE LA CRUZ LOUSEWORT | Native |
Pedicularis semibarbata | | Native |
Pediomelum ↳ Key to Pediomelum | BREADROOT | |
Pediomelum californicum | | Native |
Pediomelum castoreum | BEAVER DAM BREADROOT | Native |
Peganum | HARMAL | |
Peganum harmala | AFRICAN RUE, SYRIAN RUE | Naturalized |
Pelargonium ↳ Key to Pelargonium | GARDEN GERANIUM | |
Pelargonium ×hortorum | FISH GERANIUM | Naturalized |
Pelargonium capitatum | | Waif |
Pelargonium grossularioides | | Naturalized |
Pelargonium inquinans | | Naturalized |
Pelargonium panduriforme | OAK-LEAVED GERANIUM | Naturalized |
Pelargonium peltatum | IVY GERANIUM | Waif |
Pelargonium vitifolium | | Waif |
Pelargonium zonale | HORSESHOE GERANIUM | Waif |
Pelazoneuron | | |
Pelazoneuron puberulum var. sonorense | SONORAN MAIDEN FERN | Native |
Pelecyphora alversonii (Under Escobaria alversonii) | | Synonym |
Pellaea ↳ Key to Pellaea | CLIFF-BRAKE | |
Pellaea andromedifolia | COFFEE FERN | Native |
Pellaea brachyptera | SIERRA CLIFF-BRAKE | Native |
Pellaea breweri | BREWER'S CLIFF-BRAKE | Native |
Pellaea bridgesii | BRIDGES' CLIFF-BRAKE | Native |
Pellaea mucronata | BIRD'S-FOOT FERN | Native |
Pellaea mucronata var. californica | | Native |
Pellaea mucronata var. mucronata | | Native |
Pellaea truncata | SPINY CLIFF-BRAKE | Native |
Pellaea wrightiana var. californica (Under Pellaea mucronata var. californica) | | Synonym |
Peltandra | | |
Peltandra virginica | GREEN ARROW ARUM, TUCKAHOE | Waif |
Peltiphyllum peltatum (Under Darmera peltata) | | Synonym |
Pennisetum ↳ Key to Pennisetum | FOUNTAIN GRASS | |
Pennisetum ciliare | BUFFEL GRASS | Naturalized |
Pennisetum clandestinum | KIKUYU GRASS | Naturalized |
Pennisetum setaceum | CRIMSON FOUNTAIN GRASS | Naturalized |
Pennisetum villosum | FEATHERTOP | Naturalized |
Penstemon ↳ Key to Penstemon | BEARDTONGUE | |
Penstemon albomarginatus | WHITE-MARGINED BEARDTONGUE | Native |
Penstemon anguineus | | Native |
Penstemon austinii (Under Penstemon floridus var. austinii) | | Synonym |
Penstemon azureus | | Native |
Penstemon azureus subsp. angustissimus (Under Penstemon azureus var. angustissimus) | | Synonym |
Penstemon azureus subsp. azureus (Under Penstemon azureus var. azureus) | | Synonym |
Penstemon azureus var. angustissimus | | Native |
Penstemon azureus var. azureus | | Native |
Penstemon barnebyi | BARNEBY'S BEARDTONGUE | Native |
Penstemon bicolor | | Native |
Penstemon bicolor subsp. roseus (Under Penstemon bicolor) | | Synonym |
Penstemon bridgesii (Under Penstemon rostriflorus) | | Synonym |
Penstemon bryantiae (Under Penstemon palmeri var. palmeri) | | Synonym |
Penstemon caesius | | Native |
Penstemon calcareus | LIMESTONE BEARDTONGUE | Native |
Penstemon californicus | CALIFORNIA BEARDTONGUE | Native |
Penstemon centranthifolius | SCARLET BUGLER | Native |
Penstemon cinicola | ASH BEARDTONGUE | Native |
Penstemon clevelandii | | Native |
Penstemon clevelandii var. clevelandii | | Native |
Penstemon clevelandii var. connatus | SAN JACINTO BEARDTONGUE | Native |
Penstemon clevelandii var. mohavensis | | Native |
Penstemon confusus subsp. patens (Under Penstemon patens) | | Synonym |
Penstemon confusus var. patens (Under Penstemon patens) | | Synonym |
Penstemon cordifolius (Under Keckiella cordifolia) | | Synonym |
Penstemon davidsonii var. davidsonii | | Native |
Penstemon deustus | HOT-ROCK PENSTEMON | Native |
Penstemon deustus subsp. heterander (Under Penstemon deustus var. pedicellatus) | | Synonym |
Penstemon deustus subsp. sudans (Under Penstemon sudans) | | Synonym |
Penstemon deustus var. deustus | | Native |
Penstemon deustus var. pedicellatus | | Native |
Penstemon deustus var. savagei (Under Penstemon deustus var. suffrutescens) | | Synonym |
Penstemon deustus var. suffrutescens | | Native |
Penstemon eatonii | | Native |
Penstemon eatonii var. eatonii | | Native |
Penstemon eatonii var. undosus | | Native |
Penstemon filiformis | THREAD-LEAVED BEARDTONGUE | Native |
Penstemon floridus | | Native |
Penstemon floridus var. austinii | | Native |
Penstemon floridus var. floridus | | Native |
Penstemon fruticiformis | | Native |
Penstemon fruticiformis subsp. amargosae (Under Penstemon fruticiformis var. amargosae) | | Synonym |
Penstemon fruticiformis subsp. fruticiformis (Under Penstemon fruticiformis var. fruticiformis) | | Synonym |
Penstemon fruticiformis var. amargosae | AMARGOSA BEARDTONGUE | Native |
Penstemon fruticiformis var. fruticiformis | | Native |
Penstemon gracilentus | | Native |
Penstemon grinnellii | | Native |
Penstemon grinnellii subsp. grinnellii (Under Penstemon grinnellii var. grinnellii) | | Synonym |
Penstemon grinnellii subsp. scrophularioides (Under Penstemon grinnellii var. scrophularioides) | | Synonym |
Penstemon grinnellii var. grinnellii | | Native |
Penstemon grinnellii var. scrophularioides | | Native |
Penstemon heterodoxus | | Native |
Penstemon heterodoxus var. cephalophorus | | Native |
Penstemon heterodoxus var. heterodoxus | | Native |
Penstemon heterodoxus var. shastensis | SHASTA BEARDTONGUE | Native |
Penstemon heterophyllus | | Native |
Penstemon heterophyllus subsp. australis (Under Penstemon heterophyllus var. australis) | | Synonym |
Penstemon heterophyllus subsp. heterophyllus (Under Penstemon heterophyllus var. heterophyllus) | | Synonym |
Penstemon heterophyllus subsp. purdyi (Under Penstemon heterophyllus var. purdyi) | | Synonym |
Penstemon heterophyllus var. australis | | Native |
Penstemon heterophyllus var. heterophyllus | | Native |
Penstemon heterophyllus var. purdyi | | Native |
Penstemon hians (Under Penstemon grinnellii var. grinnellii) | | Synonym |
Penstemon humilis subsp. humilis (Under Penstemon humilis var. humilis) | | Synonym |
Penstemon humilis var. humilis | | Native |
Penstemon incertus | | Native |
Penstemon jacintensis (Under Keckiella rothrockii var. jacintensis) | | Synonym |
Penstemon janishiae | JANISH'S BEARDTONGUE | Native |
Penstemon labrosus | | Native |
Penstemon laetus | | Native |
Penstemon laetus subsp. laetus (Under Penstemon laetus var. laetus) | | Synonym |
Penstemon laetus subsp. leptosepalus (Under Penstemon laetus var. leptosepalus) | | Synonym |
Penstemon laetus subsp. roezlii (Under Penstemon roezlii) | | Synonym |
Penstemon laetus subsp. sagittatus (Under Penstemon laetus var. sagittatus) | | Synonym |
Penstemon laetus var. laetus | | Native |
Penstemon laetus var. leptosepalus | | Native |
Penstemon laetus var. sagittatus | | Native |
Penstemon lemmonii (Under Keckiella lemmonii) | | Synonym |
Penstemon linarioides var. californicus (Under Penstemon californicus) | | Synonym |
Penstemon miser (Under Penstemon janishiae) | | Unabridged misapplied name |
Penstemon monoensis | | Native |
Penstemon nemorosus (Under Nothochelone nemorosa) | | Synonym |
Penstemon neotericus | PLUMAS COUNTY BEARDTONGUE | Native |
Penstemon newberryi | | Native |
Penstemon newberryi subsp. berryi (Under Penstemon newberryi var. berryi) | | Synonym |
Penstemon newberryi subsp. newberryi (Under Penstemon newberryi var. newberryi) | | Synonym |
Penstemon newberryi subsp. sonomensis (Under Penstemon newberryi var. sonomensis) | | Synonym |
Penstemon newberryi var. berryi | | Native |
Penstemon newberryi var. newberryi | | Native |
Penstemon newberryi var. sonomensis | SONOMA BEARDTONGUE | Native |
Penstemon oreocharis (Under Penstemon rydbergii var. oreocharis) | | Synonym |
Penstemon pahutensis | PAHUTE BEARDTONGUE | Native |
Penstemon palmeri var. palmeri | | Native |
Penstemon papillatus | INYO BEARDTONGUE | Native |
Penstemon parvulus | | Native |
Penstemon patens | | Native |
Penstemon peirsonii (Under Penstemon grinnellii var. scrophularioides) | | Synonym |
Penstemon personatus | CLOSED-THROATED BEARDTONGUE | Native |
Penstemon procerus | | Native |
Penstemon procerus var. brachyanthus | | Native |
Penstemon procerus var. formosus | | Native |
Penstemon pseudospectabilis | | Native |
Penstemon purpusii | SNOW MOUNTAIN BEARDTONGUE | Native |
Penstemon rattanii | | Native |
Penstemon rattanii subsp. kleei (Under Penstemon rattanii var. kleei) | | Synonym |
Penstemon rattanii subsp. rattanii (Under Penstemon rattanii var. rattanii) | | Synonym |
Penstemon rattanii var. kleei | SANTA CRUZ MOUNTAINS BEARDTONGUE | Native |
Penstemon rattanii var. rattanii | | Native |
Penstemon roezlii | | Native |
Penstemon rostriflorus | | Native |
Penstemon rupicola | | Native |
Penstemon rydbergii var. oreocharis | | Native |
Penstemon scapoides | PINYON BEARDTONGUE | Native |
Penstemon scrophularioides (Under Penstemon grinnellii var. scrophularioides) | | Synonym |
Penstemon shastensis (Under Penstemon heterodoxus var. shastensis) | | Synonym |
Penstemon speciosus | | Native |
Penstemon speciosus subsp. kennedyi (Under Penstemon speciosus) | | Synonym |
Penstemon spectabilis | | Native |
Penstemon spectabilis subsp. spectabilis (Under Penstemon spectabilis var. spectabilis) | | Synonym |
Penstemon spectabilis subsp. subviscosus (Under Penstemon spectabilis var. subviscosus) | | Synonym |
Penstemon spectabilis var. spectabilis | | Native |
Penstemon spectabilis var. subviscosus | | Native |
Penstemon stephensii | STEPHENS' BEARDTONGUE | Native |
Penstemon sudans | SUSANVILLE BEARDTONGUE | Native |
Penstemon thompsoniae | THOMPSON'S BEARDTONGUE | Native |
Penstemon thompsoniae subsp. thompsoniae (Under Penstemon thompsoniae) | | Synonym |
Penstemon thurberi | THURBER'S BEARDTONGUE | Native |
Penstemon tracyi | TRACY'S BEARDTONGUE | Native |
Penstemon utahensis | UTAH BEARDTONGUE | Native |
Penstemon venustus | | Naturalized |
Pentachaeta ↳ Key to Pentachaeta | | |
Pentachaeta alsinoides | | Native |
Pentachaeta aurea | | Native |
Pentachaeta aurea subsp. allenii | ALLEN'S PENTACHAETA | Native |
Pentachaeta aurea subsp. aurea | GOLDEN-RAYED PENTACHAETA | Native |
Pentachaeta bellidiflora | WHITE-RAYED PENTACHAETA | Native |
Pentachaeta exilis | | Native |
Pentachaeta exilis subsp. aeolica | SAN BENITO PENTACHAETA | Native |
Pentachaeta exilis subsp. exilis | | Native |
Pentachaeta fragilis | FRAGILE PENTACHAETA | Native |
Pentachaeta lyonii | LYON'S PENTACHAETA | Native |
Pentagramma ↳ Key to Pentagramma | GOLDBACK or SILVERBACK FERN | |
Pentagramma glanduloviscida | SAN DIEGO SILVERBACK FERN | Native |
Pentagramma maxonii | DESERT SILVERBACK FERN | Native |
Pentagramma pallida | FROSTY SILVERBACK FERN | Native |
Pentagramma rebmanii | REBMAN'S SILVERBACK FERN | Native |
Pentagramma triangularis | GOLDBACK FERN | Native |
Pentagramma triangularis subsp. maxonii (Under Pentagramma maxonii) | | Synonym |
Pentagramma triangularis subsp. rebmanii (Under Pentagramma rebmanii) | | Synonym |
Pentagramma triangularis subsp. semipallida (Under Pentagramma triangularis) | | Synonym |
Pentagramma triangularis subsp. viscosa (Under Pentagramma viscosa) | | Synonym |
Pentagramma viscosa | COASTAL SILVERBACK FERN | Native |
Pentaphylloides fruticosa (Under Dasiphora fruticosa) | | Synonym |
Peplis portula (Under Lythrum portula) | | Synonym |
Peraphyllum | | |
Peraphyllum ramosissimum | | Native |
Perezia microcephala (Under Acourtia microcephala) | | Synonym |
Pericome | | |
Pericome caudata | | Native |
Perideridia ↳ Key to Perideridia | YAMPAH | |
Perideridia bacigalupii | BACIGALUPI'S YAMPAH | Native |
Perideridia bolanderi | | Native |
Perideridia bolanderi subsp. bolanderi | | Native |
Perideridia bolanderi subsp. involucrata | | Native |
Perideridia californica | | Native |
Perideridia gairdneri | | Native |
Perideridia gairdneri subsp. borealis | | Native |
Perideridia gairdneri subsp. gairdneri | GAIRDNER'S YAMPAH | Native |
Perideridia howellii | | Native |
Perideridia kelloggii | | Native |
Perideridia lemmonii | | Native |
Perideridia leptocarpa | NARROW-SEEDED YAMPAH | Native |
Perideridia oregana | | Native |
Perideridia parishii | | Native |
Perideridia parishii subsp. latifolia | | Native |
Perideridia parishii subsp. parishii | PARISH'S YAMPAH | Native |
Perideridia pringlei | ADOBE YAMPAH | Native |
Peritoma arborea (Under Cleomella arborea) | | Synonym |
Peritoma arborea var. angustata (Under Cleomella arborea var. angustata) | | Synonym |
Peritoma arborea var. arborea (Under Cleomella arborea var. arborea) | | Synonym |
Peritoma arborea var. globosa (Under Cleomella arborea var. globosa) | | Synonym |
Peritoma jonesii (Under Cleomella jonesii) | | Synonym |
Peritoma lutea (Under Cleomella lutea) | | Synonym |
Peritoma platycarpa (Under Cleomella platycarpa) | | Synonym |
Peritoma serrulata (Under Cleomella serrulata) | | Synonym |
Perityle | ROCK DAISY | |
Perityle emoryi | EMORY'S ROCK DAISY | Native |
Perityle intricata (Under Laphamia intricata) | | Synonym |
Perityle inyoensis (Under Laphamia inyoensis) | | Synonym |
Perityle megalocephala var. intricata (Under Laphamia intricata) | | Synonym |
Perityle megalocephala var. megalocephala (Under Laphamia megalocephala var. megalocephala) | | Synonym |
Perityle megalocephala var. oligophylla (Under Laphamia megalocephala var. oligophylla) | | Synonym |
Perityle villosa (Under Laphamia villosa) | | Synonym |
Persea | RED BAY | |
Persea americana | AVOCADO | Waif |
Persicaria ↳ Key to Persicaria | SMARTWEED | |
Persicaria amphibia | WATER SMARTWEED | Native |
Persicaria amphibia var. emersa (Under Persicaria amphibia) | | Synonym |
Persicaria amphibia var. stipulacea (Under Persicaria amphibia) | | Synonym |
Persicaria capitata | | Naturalized |
Persicaria coccinea (Under Persicaria amphibia) | | Synonym |
Persicaria fusiformis (Under Persicaria maculosa) | | Synonym |
Persicaria hydropiper | WATERPEPPER | Naturalized |
Persicaria hydropiperoides | FALSE WATERPEPPER | Native |
Persicaria lapathifolia | WILLOW WEED | Native |
Persicaria maculosa | LADY'S THUMB | Naturalized |
Persicaria mississippiensis (Under Persicaria pensylvanica) | | Synonym |
Persicaria opelousana (Under Persicaria hydropiperoides) | | Synonym |
Persicaria orientalis | KISS-ME-OVER-THE-GARDEN-GATE | Waif |
Persicaria paludicola (Under Persicaria hydropiperoides) | | Synonym |
Persicaria pensylvanica | PINKWEED | Naturalized |
Persicaria pensylvanica var. dura (Under Persicaria pensylvanica) | | Synonym |
Persicaria polystachya (Under Persicaria wallichii) | | Illegitimate name |
Persicaria punctata | | Native |
Persicaria wallichii | HIMALAYAN KNOTWEED | Naturalized |
Petalonyx ↳ Key to Petalonyx | SANDPAPER-PLANT | |
Petalonyx gilmanii (Under Petalonyx thurberi subsp. gilmanii) | | Synonym |
Petalonyx linearis | | Native |
Petalonyx nitidus | | Native |
Petalonyx thurberi | | Native |
Petalonyx thurberi subsp. gilmanii | DEATH VALLEY SANDPAPER-PLANT | Native |
Petalonyx thurberi subsp. thurberi | | Native |
Petalostemon ornatus (Under Dalea ornata) | | Synonym |
Petalostemon searlsiae (Under Dalea searlsiae) | | Synonym |
Petasites | | |
Petasites frigidus var. palmatus | WESTERN SWEET COLTSFOOT | Native |
Peteria | | |
Peteria thompsoniae | SPINE-NODED MILKVETCH | Native |
Petradoria | | |
Petradoria pumila subsp. pumila (Under Petradoria pumila var. pumila) | | Synonym |
Petradoria pumila var. pumila | ROCK-GOLDENROD | Native |
Petrophyton caespitosum (Under Petrophytum caespitosum) | | Orthographic variant |
Petrophyton caespitosum subsp. acuminatum (Under Petrophytum caespitosum subsp. acuminatum) | | Orthographic variant |
Petrophyton caespitosum subsp. caespitosum (Under Petrophytum caespitosum subsp. caespitosum) | | Orthographic variant |
Petrophytum | | |
Petrophytum caespitosum ↳ Key to Petrophytum caespitosum | | Native |
Petrophytum caespitosum subsp. acuminatum | | Native |
Petrophytum caespitosum subsp. caespitosum | | Native |
Petrorhagia ↳ Key to Petrorhagia | | |
Petrorhagia dubia | | Naturalized |
Petrorhagia nanteuilii | | Naturalized |
Petrorhagia prolifera | PROLIFEROUS PINK | Naturalized |
Petrorhagia velutina (Under Petrorhagia dubia) | | Synonym |
Petroselinum | | |
Petroselinum crispum | PARSLEY | Waif |
Petunia | | |
Petunia parviflora | | Native |
Peucephyllum | PYGMY-CEDAR | |
Peucephyllum schottii | | Native |
Phacelia ↳ Key to Phacelia | | |
Phacelia acanthominthoides (Under Phacelia ciliata) | | Synonym |
Phacelia adenophora | | Native |
Phacelia affinis | | Native |
Phacelia aldersonii (Under Phacelia davidsonii) | | Synonym |
Phacelia alpina (Under Phacelia hastata var. hastata) | | Synonym |
Phacelia alvordensis (Under Phacelia distans) | | Synonym |
Phacelia amabilis | SALINE VALLEY PHACELIA | Native |
Phacelia ambigua var. minutiflora (Under Phacelia crenulata var. minutiflora) | | Synonym |
Phacelia ammophila (Under Phacelia distans) | | Synonym |
Phacelia anelsonii | AVEN NELSON'S PHACELIA | Native |
Phacelia argentea | SAND DUNE PHACELIA | Native |
Phacelia arthuri (Under Phacelia distans) | | Synonym |
Phacelia austromontana | | Native |
Phacelia barnebyana | BARNEBY'S PHACELIA | Native |
Phacelia bicolor | | Native |
Phacelia bicolor var. bicolor (Under Phacelia bicolor) | | Synonym |
Phacelia biennis (Under Phacelia hastata var. hastata) | | Synonym |
Phacelia biolettii (Under Phacelia californica) | | Synonym |
Phacelia bolanderi | | Native |
Phacelia brachyloba | | Native |
Phacelia brannanii (Under Phacelia fremontii) | | Synonym |
Phacelia breweri | | Native |
Phacelia burkei (Under Phacelia hastata var. hastata) | | Synonym |
Phacelia californica | | Native |
Phacelia californica var. bernardina (Under Phacelia imbricata var. bernardina) | | Synonym |
Phacelia californica var. egena (Under Phacelia egena) | | Synonym |
Phacelia californica var. jacintensis (Under Phacelia mutabilis) | | Synonym |
Phacelia californica var. patula (Under Phacelia imbricata var. patula) | | Synonym |
Phacelia californica var. rotundata (Under Phacelia argentea) | | Synonym |
Phacelia californica var. rubacea (Under Phacelia heterophylla var. virgata) | | Synonym |
Phacelia californica var. virgata (Under Phacelia heterophylla var. virgata) | | Synonym |
Phacelia calthifolia | | Native |
Phacelia campanularia | DESERT BLUEBELLS | Native |
Phacelia campanularia subsp. campanularia (Under Phacelia campanularia var. campanularia) | | Synonym |
Phacelia campanularia subsp. vasiformis (Under Phacelia campanularia var. vasiformis) | | Synonym |
Phacelia campanularia var. campanularia | | Native |
Phacelia campanularia var. vasiformis | | Native |
Phacelia campestris (Under Phacelia ivesiana) | | Synonym |
Phacelia canescens (Under Phacelia hastata var. hastata) | | Synonym |
Phacelia cicutaria | | Native |
Phacelia cicutaria subsp. hispida (Under Phacelia cicutaria var. hispida) | | Synonym |
Phacelia cicutaria var. cicutaria | | Native |
Phacelia cicutaria var. eximia (Under Phacelia cicutaria var. hispida) | | Synonym |
Phacelia cicutaria var. hispida | | Native |
Phacelia cicutaria var. hubbyi (Under Phacelia hubbyi) | | Synonym |
Phacelia ciliata | | Native |
Phacelia ciliosa (Under Phacelia sericea var. ciliosa) | | Synonym |
Phacelia cinerea (Under Phacelia distans) | | Synonym |
Phacelia circinata var. integrifolia (Under Phacelia hastata var. hastata) | | Synonym |
Phacelia circinatiformis (Under Phacelia phacelioides) | | Synonym |
Phacelia coerulea | SKY-BLUE PHACELIA | Native |
Phacelia compacta (Under Phacelia hastata var. compacta) | | Synonym |
Phacelia congdonii | | Native |
Phacelia conmixta (Under Phacelia distans) | | Synonym |
Phacelia cookei | COOKE'S PHACELIA | Native |
Phacelia cooperae (Under Phacelia brachyloba) | | Synonym |
Phacelia corymbosa | | Native |
Phacelia crassifolia (Under Phacelia gymnoclada) | | Synonym |
Phacelia crenulata | | Native |
Phacelia crenulata var. ambigua | | Native |
Phacelia crenulata var. crenulata | | Native |
Phacelia crenulata var. funerea (Under Phacelia crenulata var. crenulata) | | Synonym |
Phacelia crenulata var. minutiflora | | Native |
Phacelia cryptantha | | Native |
Phacelia cryptantha var. derivata (Under Phacelia cryptantha) | | Synonym |
Phacelia curvipes | | Native |
Phacelia curvipes var. davidsonii (Under Phacelia davidsonii) | | Synonym |
Phacelia curvipes var. insularis (Under Phacelia insularis var. insularis) | | Synonym |
Phacelia curvipes var. macrantha (Under Phacelia davidsonii) | | Synonym |
Phacelia curvipes var. pratensis (Under Phacelia davidsonii) | | Synonym |
Phacelia curvipes var. yosemitana (Under Phacelia vallicola) | | Synonym |
Phacelia dalesiana (Under Howellanthus dalesianus) | | Synonym |
Phacelia damnationensis | DAMNATION PASS PHACELIA | Native |
Phacelia dasyphylla (Under Phacelia hastata var. compacta) | | Synonym |
Phacelia dasyphylla var. ophitidis (Under Phacelia corymbosa) | | Synonym |
Phacelia davidsonii | | Native |
Phacelia davidsonii var. macrantha (Under Phacelia davidsonii) | | Synonym |
Phacelia distans | | Native |
Phacelia distans subvar. ammophila (Under Phacelia distans) | | Synonym |
Phacelia distans subvar. genuina (Under Phacelia distans) | | Synonym |
Phacelia distans subvar. leptostachya (Under Phacelia distans) | | Synonym |
Phacelia distans var. australis (Under Phacelia distans) | | Synonym |
Phacelia distans var. scabrella (Under Phacelia distans) | | Synonym |
Phacelia divaricata | | Native |
Phacelia divaricata var. congdonii (Under Phacelia congdonii) | | Synonym |
Phacelia divaricata var. continentis (Under Phacelia insularis var. continentis) | | Synonym |
Phacelia divaricata var. insularis (Under Phacelia insularis var. insularis) | | Synonym |
Phacelia dociana (Under Phacelia quickii) | | Synonym |
Phacelia douglasii | | Native |
Phacelia douglasii subsp. cryptantha (Under Phacelia stellaris) | | Synonym |
Phacelia douglasii var. cryptantha (Under Phacelia stellaris) | | Synonym |
Phacelia egena | | Native |
Phacelia eisenii | | Native |
Phacelia eremica (Under Phacelia cryptantha) | | Synonym |
Phacelia exilis | TRANSVERSE RANGE PHACELIA | Native |
Phacelia eximia (Under Phacelia cicutaria var. hispida) | | Synonym |
Phacelia flaccida (Under Phacelia rattanii) | | Synonym |
Phacelia floribunda | MANY-FLOWERED PHACELIA | Native |
Phacelia fremontii | | Native |
Phacelia frigida (Under Phacelia hastata var. compacta) | | Synonym |
Phacelia frigida subsp. dasyphylla (Under Phacelia hastata var. compacta) | | Synonym |
Phacelia frigida subsp. frigida (Under Phacelia hastata var. compacta) | | Synonym |
Phacelia geraniifolia (Under Phacelia perityloides var. jaegeri) | | Synonym |
Phacelia glandulifera | | Native |
Phacelia gooddingii (Under Phacelia pulchella var. gooddingii) | | Synonym |
Phacelia grandiflora | | Native |
Phacelia greenei | SCOTT VALLEY PHACELIA | Native |
Phacelia grisea | | Native |
Phacelia gymnoclada | NAKED-STEMMED PHACELIA | Native |
Phacelia hallii (Under Phacelia fremontii) | | Synonym |
Phacelia hastata | | Native |
Phacelia hastata subsp. compacta (Under Phacelia hastata var. compacta) | | Synonym |
Phacelia hastata subsp. hastata (Under Phacelia hastata var. hastata) | | Synonym |
Phacelia hastata var. alpina (Under Phacelia hastata var. hastata) | | Synonym |
Phacelia hastata var. compacta | | Native |
Phacelia hastata var. dasyphylla (Under Phacelia hastata var. compacta) | | Synonym |
Phacelia hastata var. hastata | | Native |
Phacelia hastata var. leucophylla (Under Phacelia hastata var. hastata) | | Synonym |
Phacelia heterophylla subsp. virgata (Under Phacelia heterophylla var. virgata) | | Synonym |
Phacelia heterophylla var. alpina (Under Phacelia hastata var. hastata) | | Synonym |
Phacelia heterophylla var. compacta (Under Phacelia hastata var. compacta) | | Synonym |
Phacelia heterophylla var. dasyphylla (Under Phacelia hastata var. compacta) | | Synonym |
Phacelia heterophylla var. frigida (Under Phacelia hastata var. compacta) | | Synonym |
Phacelia heterophylla var. griseophylla (Under Phacelia mutabilis) | | Synonym |
Phacelia heterophylla var. pseudohispida (Under Phacelia mutabilis) | | Synonym |
Phacelia heterophylla var. pygmaea (Under Phacelia hastata var. compacta) | | Synonym |
Phacelia heterophylla var. rotundata (Under Phacelia argentea) | | Synonym |
Phacelia heterophylla var. virgata | | Native |
Phacelia heterosperma (Under Phacelia lemmonii) | | Synonym |
Phacelia hispida subvar. cicutaria (Under Phacelia cicutaria var. cicutaria) | | Synonym |
Phacelia hispida var. brachyantha (Under Phacelia cryptantha) | | Synonym |
Phacelia hispida var. cicutaria (Under Phacelia cicutaria var. cicutaria) | | Synonym |
Phacelia hispida var. eximia (Under Phacelia cicutaria var. hispida) | | Synonym |
Phacelia hispida var. hubbyi (Under Phacelia hubbyi) | | Synonym |
Phacelia hispida var. umbrosa (Under Phacelia umbrosa) | | Synonym |
Phacelia hubbyi | | Native |
Phacelia humilis | | Native |
Phacelia humilis var. congdonii (Under Phacelia congdonii) | | Synonym |
Phacelia humilis var. dudleyi | | Native |
Phacelia humilis var. humilis | | Native |
Phacelia humilis var. lobata (Under Phacelia austromontana) | | Synonym |
Phacelia hydrophylloides | | Native |
Phacelia imbricata | | Native |
Phacelia imbricata subsp. bernardina (Under Phacelia imbricata var. bernardina) | | Synonym |
Phacelia imbricata subsp. imbricata (Under Phacelia imbricata var. bernardina) | | Synonym, in part |
Phacelia imbricata subsp. imbricata (Under Phacelia imbricata var. imbricata) | | Synonym, in part |
Phacelia imbricata subsp. patula (Under Phacelia imbricata var. patula) | | Synonym |
Phacelia imbricata var. bernardina | | Native |
Phacelia imbricata var. caudata (Under Phacelia imbricata var. imbricata) | | Synonym |
Phacelia imbricata var. imbricata | | Native |
Phacelia imbricata var. patula | | Native |
Phacelia insularis | | Native |
Phacelia insularis var. continentis | NORTH COAST PHACELIA | Native |
Phacelia insularis var. insularis | NORTHERN CHANNEL ISLANDS PHACELIA | Native |
Phacelia inundata | PLAYA PHACELIA | Native |
Phacelia inyoensis | INYO PHACELIA | Native |
Phacelia ivesiana | | Native |
Phacelia ivesiana var. glandulifera (Under Phacelia glandulifera) | | Synonym |
Phacelia keckii | SANTIAGO PEAK PHACELIA | Native |
Phacelia lemmonii | | Native |
Phacelia leonis | SISKIYOU PHACELIA | Native |
Phacelia leptostachya (Under Phacelia distans) | | Synonym |
Phacelia leucantha (Under Phacelia brachyloba) | | Synonym |
Phacelia leucophylla (Under Phacelia hastata var. hastata) | | Synonym |
Phacelia leucophylla var. alpina (Under Phacelia hastata var. hastata) | | Synonym |
Phacelia leucophylla var. compacta (Under Phacelia hastata var. compacta) | | Synonym |
Phacelia leucophylla var. suksdorfii (Under Phacelia hastata var. hastata) | | Synonym |
Phacelia linearis | | Native |
Phacelia loasifolia (Under Phacelia malvifolia var. loasifolia) | | Synonym |
Phacelia lobata (Under Phacelia austromontana) | | Synonym |
Phacelia longipes | | Native |
Phacelia lutea var. glandulifera (Under Phacelia adenophora) | | Synonym |
Phacelia luteopurpurea (Under Phacelia glandulifera) | | Synonym |
Phacelia lyonii | | Native |
Phacelia magellanica f. compacta (Under Phacelia hastata var. compacta) | | Synonym |
Phacelia magellanica f. egena (Under Phacelia egena) | | Synonym |
Phacelia magellanica f. patula (Under Phacelia imbricata var. patula) | | Synonym |
Phacelia magellanica var. californica (Under Phacelia californica) | | Synonym |
Phacelia magellanica var. corymbosa (Under Phacelia corymbosa) | | Synonym |
Phacelia magellanica var. frigida (Under Phacelia hastata var. compacta) | | Synonym |
Phacelia magellanica var. griseophylla (Under Phacelia mutabilis) | | Synonym |
Phacelia magellanica var. integrifolia (Under Phacelia hastata var. hastata) | | Synonym |
Phacelia magellanica var. jacintensis (Under Phacelia mutabilis) | | Synonym |
Phacelia magellanica var. patula (Under Phacelia imbricata var. patula) | | Synonym |
Phacelia malvifolia | | Native |
Phacelia malvifolia (Under Phacelia malvifolia var. loasifolia) | | Synonym, in part |
Phacelia malvifolia (Under Phacelia malvifolia var. malvifolia) | | Synonym, in part |
Phacelia malvifolia subsp. loasifolia (Under Phacelia malvifolia var. loasifolia) | | Synonym |
Phacelia malvifolia var. loasifolia | | Native |
Phacelia malvifolia var. malvifolia | | Native |
Phacelia marcescens | | Native |
Phacelia menziesii (Under Phacelia linearis) | | Synonym |
Phacelia micrantha (Under Eucrypta micrantha) | | Synonym |
Phacelia micrantha var. bipinnatifida (Under Eucrypta chrysanthemifolia var. bipinnatifida) | | Synonym |
Phacelia minima (Under Phacelia eisenii) | | Synonym |
Phacelia minor | WILD CANTERBURY BELLS | Native |
Phacelia minor var. campanularia (Under Phacelia campanularia var. campanularia) | | Synonym |
Phacelia minor var. whitlavia (Under Phacelia minor) | | Synonym |
Phacelia minutiflora (Under Phacelia crenulata var. minutiflora) | | Synonym |
Phacelia mohavensis | MOJAVE PHACELIA | Native |
Phacelia mohavensis var. exilis (Under Phacelia exilis) | | Synonym |
Phacelia monoensis | MONO COUNTY PHACELIA | Native |
Phacelia monosperma (Under Phacelia heterophylla var. virgata) | | Synonym |
Phacelia mustelina | DEATH VALLEY ROUND-LEAVED PHACELIA | Native |
Phacelia mutabilis | | Native |
Phacelia mutabilis var. frigida (Under Phacelia hastata var. compacta) | | Synonym |
Phacelia namatoides (Under Phacelia racemosa) | | Synonym |
Phacelia nashiana | CHARLOTTE'S PHACELIA | Native |
Phacelia neglecta | | Native |
Phacelia nemophiloides (Under Phacelia davidsonii) | | Synonym |
Phacelia nemoralis | | Native |
Phacelia nemoralis subsp. nemoralis (Under Phacelia nemoralis var. nemoralis) | | Synonym |
Phacelia nemoralis subsp. oregonensis (Under Phacelia nemoralis var. oregonensis) | | Synonym |
Phacelia nemoralis var. mutabilis (Under Phacelia mutabilis) | | Synonym |
Phacelia nemoralis var. nemoralis | | Native |
Phacelia nemoralis var. oregonensis | | Native |
Phacelia nemoralis var. pseudohispida (Under Phacelia mutabilis) | | Synonym |
Phacelia nervosa (Under Phacelia hastata var. hastata) | | Synonym |
Phacelia novenmillensis | NINE MILE CANYON PHACELIA | Native |
Phacelia orcuttiana (Under Phacelia brachyloba) | | Synonym |
Phacelia oreopola (Under Phacelia imbricata var. patula) | | Synonym |
Phacelia oreopola subsp. oreopola (Under Phacelia imbricata var. patula) | | Synonym |
Phacelia oreopola subsp. simulans (Under Phacelia hastata var. hastata) | | Synonym |
Phacelia orogenes | MOUNTAIN PHACELIA | Native |
Phacelia pachyphylla | | Native |
Phacelia palmeri (Under Phacelia stellaris) | | Synonym |
Phacelia parishii | PARISH'S PHACELIA | Native |
Phacelia parryi | | Native |
Phacelia pedicellata | | Native |
Phacelia peirsoniana | PEIRSON'S PHACELIA | Native |
Phacelia perityloides | | Native |
Phacelia perityloides var. jaegeri | JAEGER'S PHACELIA | Native |
Phacelia perityloides var. perityloides | | Native |
Phacelia phacelioides | MOUNT DIABLO PHACELIA | Native |
Phacelia phyllomanica var. interrupta (Under Phacelia floribunda) | | Synonym |
Phacelia piersoniae (Under Phacelia heterophylla var. virgata) | | Synonym |
Phacelia pinetorum (Under Eucrypta micrantha) | | Synonym |
Phacelia pinnata var. pseudohispida (Under Phacelia mutabilis) | | Synonym |
Phacelia platyloba | | Native |
Phacelia polysperma (Under Phacelia lemmonii) | | Synonym |
Phacelia pratensis (Under Phacelia davidsonii) | | Synonym |
Phacelia pringlei | | Native |
Phacelia pringlei var. orogenes (Under Phacelia orogenes) | | Synonym |
Phacelia procera | | Native |
Phacelia pulchella var. gooddingii | GOODDING'S PHACELIA | Native |
Phacelia purpusii | | Native |
Phacelia quickii | | Native |
Phacelia racemosa | | Native |
Phacelia ramosissima | | Native |
Phacelia ramosissima var. austrolitoralis (Under Phacelia ramosissima) | | Synonym |
Phacelia ramosissima var. eremophila (Under Phacelia ramosissima) | | Synonym |
Phacelia ramosissima var. hispida (Under Phacelia cicutaria var. hispida) | | Synonym |
Phacelia ramosissima var. latifolia (Under Phacelia ramosissima) | | Synonym |
Phacelia ramosissima var. montereyensis (Under Phacelia ramosissima) | | Synonym |
Phacelia ramosissima var. subglabra (Under Phacelia ramosissima) | | Synonym |
Phacelia ramosissima var. suffrutescens (Under Phacelia ramosissima) | | Synonym |
Phacelia ramosissima var. valida (Under Phacelia ramosissima) | | Synonym |
Phacelia rattanii | | Native |
Phacelia rotundifolia | | Native |
Phacelia rugulosa (Under Phacelia affinis) | | Synonym |
Phacelia salina (Under Phacelia parishii) | | Synonym |
Phacelia saxicola | | Native |
Phacelia scabrella (Under Phacelia distans) | | Synonym |
Phacelia sericea subsp. ciliosa (Under Phacelia sericea var. ciliosa) | | Synonym |
Phacelia sericea var. biennis (Under Phacelia hastata var. hastata) | | Synonym |
Phacelia sericea var. ciliosa | BLUE ALPINE PHACELIA | Native |
Phacelia sericea var. nelsonii (Under Phacelia sericea var. ciliosa) | | Synonym |
Phacelia stebbinsii | STEBBINS' PHACELIA | Native |
Phacelia stellaris | BRAND'S STAR PHACELIA | Native |
Phacelia suaveolens | | Native |
Phacelia suaveolens subsp. keckii (Under Phacelia keckii) | | Synonym |
Phacelia suaveolens var. keckii (Under Phacelia keckii) | | Synonym |
Phacelia tanacetifolia | | Native |
Phacelia tanacetifolia var. cinerea (Under Phacelia tanacetifolia) | | Synonym |
Phacelia tanacetifolia var. hubbyi (Under Phacelia hubbyi) | | Synonym |
Phacelia tanacetifolia var. pseudo-distans (Under Phacelia tanacetifolia) | | Synonym |
Phacelia tanacetifolia var. tenuifolia (Under Phacelia distans) | | Synonym |
Phacelia tenuifolia (Under Phacelia distans) | | Synonym |
Phacelia tetramera | | Native |
Phacelia thermalis | | Native |
Phacelia umbrosa | | Native |
Phacelia vallicola | MARIPOSA PHACELIA | Native |
Phacelia vallis-mortae | | Native |
Phacelia virgata (Under Phacelia heterophylla var. virgata) | | Synonym |
Phacelia virgata var. ampliata (Under Phacelia heterophylla var. virgata) | | Synonym |
Phacelia virgata var. bernardina (Under Phacelia imbricata var. bernardina) | | Synonym |
Phacelia viscida | | Native |
Phacelia viscida var. albiflora | | Native |
Phacelia viscida var. viscida | | Native |
Phacelia whitlavia (Under Phacelia minor) | | Synonym |
Phacelia whitlavia var. jonesii (Under Phacelia minor) | | Synonym |
Phalacroseris | | |
Phalacroseris bolanderi | BOLANDER'S MOCK DANDELION | Native |
Phalacroseris bolanderi var. coronata (Under Phalacroseris bolanderi) | | Synonym |
Phalaris ↳ Key to Phalaris | CANARY GRASS | |
Phalaris americana (Under Phalaris caroliniana) | | Synonym |
Phalaris amethystina (Under Phalaris californica) | | Unabridged misapplied name |
Phalaris angusta | TIMOTHY CANARY GRASS | Native |
Phalaris aquatica | HARDING GRASS | Naturalized |
Phalaris arundinacea | REED CANARY GRASS | Native |
Phalaris brachystachys | SHORT-SPIKED CANARY GRASS | Naturalized |
Phalaris bulbosa (Under Phalaris aquatica) | | Unabridged misapplied name |
Phalaris bulbosa (Under Phalaris coerulescens) | | Illegitimate name |
Phalaris californica | CALIFORNIA CANARY GRASS | Native |
Phalaris canariensis | CANARY GRASS | Naturalized |
Phalaris caroliniana | CAROLINA CANARY GRASS | Naturalized |
Phalaris coerulescens | SUNOL GRASS | Naturalized |
Phalaris commutata (Under Phalaris aquatica) | | Synonym |
Phalaris intermedia (Under Phalaris caroliniana) | | Synonym |
Phalaris intermedia var. angusta (Under Phalaris angusta) | | Synonym |
Phalaris intermedia var. angustata (Under Phalaris angusta) | | Synonym |
Phalaris lemmonii | LEMMON'S CANARY GRASS | Native |
Phalaris microstachya (Under Phalaris caroliniana) | | Synonym |
Phalaris minor | LITTLE-SEEDED CANARY GRASS | Naturalized |
Phalaris occidentalis (Under Phalaris caroliniana) | | Synonym |
Phalaris paradoxa | HOOD CANARY GRASS | Naturalized |
Phalaris paradoxa var. coerulescens (Under Phalaris coerulescens) | | Synonym |
Phalaris paradoxa var. praemorsa (Under Phalaris paradoxa) | | Synonym |
Phalaris praemorsa (Under Phalaris paradoxa) | | Synonym |
Phalaris stenoptera (Under Phalaris aquatica) | | Synonym |
Phalaris trivialis (Under Phalaris caroliniana) | | Synonym |
Phalaris tuberosa (Under Phalaris aquatica) | | Synonym |
Phalaris tuberosa var. stenoptera (Under Phalaris aquatica) | | Synonym |
Phaseolus | WILD BEAN | |
Phaseolus carterae (Under Phaseolus filiformis) | | Synonym |
Phaseolus filiformis | SLENDER-STEM BEAN | Native |
Phaseolus sanctorum (Under Phaseolus filiformis) | | Synonym |
Phaseolus wrightii (Under Phaseolus filiformis) | | Synonym |
Phelipanche | BROOMRAPE | |
Phelipanche ramosa | | Naturalized |
Philadelphus ↳ Key to Philadelphus | MOCK ORANGE | |
Philadelphus californicus (Under Philadelphus lewisii) | | Synonym |
Philadelphus lewisii | WILD MOCK ORANGE | Native |
Philadelphus lewisii subsp. californicus (Under Philadelphus lewisii) | | Synonym |
Philadelphus lewisii subsp. gordonianus (Under Philadelphus lewisii) | | Synonym |
Philadelphus microphyllus | LITTLELEAF MOCK ORANGE | Native |
Philadelphus microphyllus subsp. pumilus (Under Philadelphus microphyllus) | | Synonym |
Philadelphus microphyllus subsp. stramineus (Under Philadelphus microphyllus) | | Synonym |
Philadelphus microphyllus var. pumilus (Under Philadelphus microphyllus) | | Synonym |
Philadelphus microphyllus var. stramineus (Under Philadelphus microphyllus) | | Synonym |
Philadelphus pumilus (Under Philadelphus microphyllus) | | Synonym |
Philadelphus stramineus (Under Philadelphus microphyllus) | | Synonym |
Philibertella hartwegii (Under Funastrum cynanchoides var. hartwegii) | | Synonym |
Philibertia heterophylla (Under Funastrum cynanchoides var. hartwegii) | | Synonym |
Philibertia hirtella (Under Funastrum hirtellum) | | Synonym |
Philibertia linearis var. hirtella (Under Funastrum hirtellum) | | Synonym |
Phleum ↳ Key to Phleum | TIMOTHY | |
Phleum alpinum | ALPINE TIMOTHY, MOUNTAIN TIMOTHY | Native |
Phleum pratense | CULTIVATED TIMOTHY | Naturalized |
Phlox ↳ Key to Phlox | | |
Phlox adsurgens | | Native |
Phlox austromontana | | Native |
Phlox austromontana subsp. austromontana (Under Phlox austromontana) | | Synonym |
Phlox austromontana subsp. prostrata (Under Phlox austromontana) | | Synonym |
Phlox azurea (Under Phlox diffusa) | | Synonym |
Phlox bryoides (Under Phlox muscoides) | | Synonym |
Phlox caespitosa subsp. pulvinata (Under Phlox pulvinata) | | Synonym |
Phlox caespitosa var. condensata (Under Phlox condensata) | | Synonym |
Phlox condensata | | Native |
Phlox covillei (Under Phlox condensata) | | Synonym |
Phlox diffusa | | Native |
Phlox dispersa | HIGH SIERRA PHLOX | Native |
Phlox dolichantha | BIG BEAR VALLEY PHLOX | Native |
Phlox douglasii | | Native |
Phlox douglasii subsp. rigida (Under Phlox douglasii) | | Synonym |
Phlox gracilis (Under Microsteris gracilis) | | Synonym |
Phlox hirsuta | YREKA PHLOX | Native |
Phlox hoodii subsp. canescens | | Native |
Phlox hoodii subsp. lanata (Under Phlox hoodii subsp. canescens) | | Synonym |
Phlox muscoides | SQUARESTEM PHLOX | Native |
Phlox pulvinata | | Native |
Phlox rigida (Under Phlox douglasii) | | Synonym |
Phlox speciosa | | Native |
Phlox speciosa subsp. nitida (Under Phlox speciosa) | | Synonym |
Phlox speciosa subsp. occidentalis (Under Phlox speciosa) | | Synonym |
Phlox stansburyi | | Native |
Phlox stansburyi subsp. stansburyi | | Native |
Phlox stansburyi subsp. superba | | Native |
Phlox stansburyi var. brevifolia | | Native |
Phoenicaulis | | |
Phoenicaulis cheiranthoides | | Native |
Phoenicaulis cheiranthoides subsp. glabra (Under Phoenicaulis cheiranthoides) | | Synonym |
Phoenicaulis cheiranthoides var. lanuginosa (Under Phoenicaulis cheiranthoides) | | Synonym |
Phoenicaulis eurycarpa (Under Anelsonia eurycarpa) | | Synonym |
Phoenix ↳ Key to Phoenix | | |
Phoenix canariensis | CANARY ISLAND PALM | Naturalized |
Phoenix dactylifera | DATE PALM | Waif |
Pholisma ↳ Key to Pholisma | | |
Pholisma arenarium | | Native |
Pholisma sonorae | SAND FOOD | Native |
Pholistoma ↳ Key to Pholistoma | | |
Pholistoma auritum | | Native |
Pholistoma auritum var. arizonicum | ARIZONA PHOLISTOMA | Native |
Pholistoma auritum var. auritum | FIESTA FLOWER | Native |
Pholistoma membranaceum | | Native |
Pholistoma racemosum | | Native |
Phoradendron ↳ Key to Phoradendron | MISTLETOE | |
Phoradendron bolleanum | | Native |
Phoradendron bolleanum subsp. densum (Under Phoradendron bolleanum) | | Synonym |
Phoradendron bolleanum subsp. pauciflorum (Under Phoradendron bolleanum) | | Synonym |
Phoradendron bolleanum var. densum (Under Phoradendron bolleanum) | | Synonym |
Phoradendron bolleanum var. pauciflorum (Under Phoradendron bolleanum) | | Synonym |
Phoradendron californicum | DESERT MISTLETOE | Native |
Phoradendron californicum var. distans (Under Phoradendron californicum) | | Synonym |
Phoradendron californicum var. leucocarpum (Under Phoradendron californicum) | | Synonym |
Phoradendron densum (Under Phoradendron bolleanum) | | Synonym |
Phoradendron juniperinum | JUNIPER or INCENSE CEDAR MISTLETOE | Native |
Phoradendron juniperinum var. ligatum (Under Phoradendron juniperinum) | | Synonym |
Phoradendron leucarpum | AMERICAN MISTLETOE | Native |
Phoradendron leucarpum subsp. macrophyllum | | Native |
Phoradendron leucarpum subsp. tomentosum | | Native |
Phoradendron libocedri (Under Phoradendron juniperinum) | | Synonym |
Phoradendron macrophyllum (Under Phoradendron leucarpum subsp. macrophyllum) | | Synonym |
Phoradendron pauciflorum (Under Phoradendron bolleanum) | | Synonym |
Phoradendron serotinum (Under Phoradendron leucarpum) | | Synonym |
Phoradendron serotinum subsp. macrophyllum (Under Phoradendron leucarpum subsp. macrophyllum) | | Synonym |
Phoradendron serotinum subsp. tomentosum (Under Phoradendron leucarpum subsp. tomentosum) | | Synonym |
Phoradendron villosum (Under Phoradendron leucarpum subsp. tomentosum) | | Synonym |
Phragmites | COMMON REED, CARRIZO | |
Phragmites australis | COMMON REED | Native |
Phragmites australis var. berlandieri (Under Phragmites australis) | | Synonym |
Phragmites berlandieri (Under Phragmites australis) | | Synonym |
Phragmites communis (Under Phragmites australis) | | Synonym |
Phragmites communis var. berlandieri (Under Phragmites australis) | | Synonym |
Phrymaceae ↳ Key to Phrymaceae | LOPSEED FAMILY | |
Phyla ↳ Key to Phyla | | |
Phyla lanceolata | | Native |
Phyla nodiflora | | Native |
Phyla nodiflora var. canescens (Under Phyla nodiflora) | | Synonym |
Phyla nodiflora var. incisa (Under Phyla nodiflora) | | Synonym |
Phyla nodiflora var. reptans (Under Phyla nodiflora) | | Synonym |
Phyla nodiflora var. rosea (Under Phyla nodiflora) | | Synonym |
Phyllodoce ↳ Key to Phyllodoce | MOUNTAIN HEATHER | |
Phyllodoce breweri | | Native |
Phyllodoce empetriformis | | Native |
Phyllogonum luteolum (Under Gilmania luteola) | | Synonym |
Phyllospadix ↳ Key to Phyllospadix | SURF-GRASS | |
Phyllospadix scouleri | | Native |
Phyllospadix torreyi | | Native |
Phyllostachys | | |
Phyllostachys aurea | FISHPOLE BAMBOO, GOLDEN BAMBOO | Agricultural, garden, or urban weed |
Physalis ↳ Key to Physalis | GROUND-CHERRY | |
Physalis acutifolia | | Native |
Physalis angulata var. lanceifolia (Under Physalis lanceifolia) | | Synonym |
Physalis crassifolia | | Native |
Physalis crassifolia var. versicolor (Under Physalis crassifolia) | | Synonym |
Physalis fendleri (Under Physalis hederifolia var. fendleri) | | Synonym |
Physalis greenei (Under Physalis crassifolia) | | Synonym |
Physalis hederifolia | | Native |
Physalis hederifolia var. cordifolia (Under Physalis hederifolia var. fendleri) | | Synonym |
Physalis hederifolia var. fendleri | | Native |
Physalis hederifolia var. palmeri | | Native |
Physalis ixocarpa (Under Physalis philadelphica) | | Synonym |
Physalis lanceifolia | | Naturalized |
Physalis lancifolia (Under Physalis lanceifolia) | | Orthographic variant |
Physalis lobata | LOBED GROUND-CHERRY | Native |
Physalis longifolia | | Waif |
Physalis mollis (Under Physalis viscosa) | | Synonym |
Physalis philadelphica | TOMATILLO | Naturalized |
Physalis pruinosa (Under Physalis pubescens var. grisea) | | Synonym |
Physalis pubescens | | Naturalized |
Physalis pubescens var. grisea | | Naturalized |
Physalis pubescens var. integrifolia | | Naturalized |
Physalis viscosa | GRAPE GROUND-CHERRY | Waif |
Physalis viscosa var. cinerascens (Under Physalis viscosa) | | Synonym |
Physaria ↳ Key to Physaria | BLADDERPOD | |
Physaria chambersii | CHAMBERS' PHYSARIA | Native |
Physaria cordiformis | | Native |
Physaria kingii | | Native |
Physaria kingii subsp. bernardina | SAN BERNARDINO MOUNTAINS BLADDERPOD | Native |
Physaria kingii subsp. kingii | | Native |
Physaria kingii subsp. latifolia | | Native |
Physaria ludoviciana | SILVER BLADDERPOD | Native |
Physaria occidentalis subsp. occidentalis | | Native |
Physaria tenella | | Native |
Physaria wardii (Under Physaria kingii subsp. latifolia) | | Synonym |
Physocarpus ↳ Key to Physocarpus | NINEBARK | |
Physocarpus alternans | NEVADA NINEBARK | Native |
Physocarpus alternans subsp. annulatus (Under Physocarpus alternans) | | Synonym |
Physocarpus alternans subsp. panamintensis (Under Physocarpus alternans) | | Synonym |
Physocarpus capitatus | | Native |
Phytolacca ↳ Key to Phytolacca | | |
Phytolacca americana var. americana | POKEWEED | Naturalized |
Phytolacca heterotepala | MEXICAN POKEWEED | Waif |
Phytolacca icosandra | TROPICAL POKEWEED | Naturalized |
Phytolaccaceae | POKEWEED FAMILY | |
Picea ↳ Key to Picea | SPRUCE | |
Picea breweriana | BREWER SPRUCE | Native |
Picea engelmannii | ENGELMANN SPRUCE | Native |
Picea sitchensis | SITKA SPRUCE | Native |
Pickeringia | CHAPARRAL PEA | |
Pickeringia montana ↳ Key to Pickeringia montana | CHAPARRAL PEA | Native |
Pickeringia montana var. montana | | Native |
Pickeringia montana var. tomentosa | WOOLLY CHAPARRAL PEA | Native |
Picradeniopsis | | |
Picradeniopsis multiflora | | Native |
Picris echioides (Under Helminthotheca echioides) | | Synonym |
Picrodendraceae | BITTER-TREE FAMILY | |
Picrothamnus desertorum (Under Artemisia spinescens) | | Synonym |
Pilostyles | | |
Pilostyles thurberi | THURBER'S PILOSTYLES | Native |
Pilularia | | |
Pilularia americana | | Native |
Pinaceae ↳ Key to Pinaceae | PINE FAMILY | |
Pinguicula | BUTTERWORT | |
Pinguicula macroceras | HORNED BUTTERWORT | Native |
Pinguicula macroceras subsp. macroceras (Under Pinguicula macroceras) | | Synonym |
Pinguicula macroceras subsp. nortensis (Under Pinguicula macroceras) | | Synonym |
Pinguicula vulgaris subsp. macroceras (Under Pinguicula macroceras) | | Synonym |
Pinus ↳ Key to Pinus | PINE | |
Pinus albicaulis | WHITEBARK PINE | Native |
Pinus aristata (Under Pinus longaeva) | | Synonym, in part |
Pinus attenuata | KNOBCONE PINE | Native |
Pinus balfouriana | FOXTAIL PINE | Native |
Pinus balfouriana subsp. austrina | | Native |
Pinus balfouriana subsp. balfouriana | | Native |
Pinus benthamiana (Under Pinus ponderosa var. pacifica) | | Synonym |
Pinus californiarum (Under Pinus monophylla) | | Synonym |
Pinus contorta | | Native |
Pinus contorta subsp. bolanderi | BOLANDER'S BEACH PINE | Native |
Pinus contorta subsp. contorta | SHORE PINE | Native |
Pinus contorta subsp. murrayana | LODGEPOLE PINE | Native |
Pinus coulteri | COULTER PINE | Native |
Pinus edulis | COLORADO PINYON | Native |
Pinus flexilis | LIMBER PINE | Native |
Pinus jeffreyi | JEFFREY PINE | Native |
Pinus lambertiana | SUGAR PINE | Native |
Pinus longaeva | BRISTLECONE PINE | Native |
Pinus monophylla | SINGLELEAF PINYON PINE | Native |
Pinus monticola | WESTERN WHITE PINE | Native |
Pinus muricata | BISHOP PINE | Native |
Pinus murrayana (Under Pinus contorta subsp. murrayana) | | Synonym |
Pinus ponderosa | PONDEROSA PINE, WESTERN YELLOW PINE | Native |
Pinus ponderosa subsp. benthamiana (Under Pinus ponderosa var. pacifica) | | Synonym |
Pinus ponderosa var. benthamiana (Under Pinus ponderosa var. pacifica) | | Synonym |
Pinus ponderosa var. pacifica | PACIFIC PONDEROSA PINE | Native |
Pinus ponderosa var. ponderosa | NORTH PLATEAU PONDEROSA PINE | Native |
Pinus ponderosa var. washoensis | WASHOE PINE | Native |
Pinus quadrifolia | PARRY PINYON PINE | Native |
Pinus radiata | MONTEREY PINE | Native |
Pinus remorata (Under Pinus muricata) | | Synonym |
Pinus sabiniana | GRAY, GHOST, or FOOTHILL PINE | Native |
Pinus torreyana | | Native |
Pinus torreyana subsp. insularis | SANTA ROSA ISLAND TORREY PINE | Native |
Pinus torreyana subsp. torreyana | TORREY PINE | Native |
Pinus washoensis (Under Pinus ponderosa var. washoensis) | | Synonym |
Piperia ↳ Key to Piperia | PIPERIA | |
Piperia candida | WHITE-FLOWERED REIN-ORCHID | Native |
Piperia colemanii | COLEMAN'S REIN-ORCHID | Native |
Piperia cooperi | CHAPARRAL REIN-ORCHID | Native |
Piperia elegans | | Native |
Piperia elegans subsp. decurtata | POINT REYES REIN-ORCHID | Native |
Piperia elegans subsp. elegans | COAST PIPERIA, ELEGANT PIPERIA | Native |
Piperia elongata | CHAPARRAL ORCHID, WOOD REIN-ORCHID | Native |
Piperia leptopetala | NARROW-PETALED REIN-ORCHID | Native |
Piperia michaelii | MICHAEL'S REIN-ORCHID | Native |
Piperia transversa | FLAT SPURRED PIPERIA | Native |
Piperia unalascensis | ALASKA PIPERIA, SLENDER-SPIRE ORCHID | Native |
Piperia yadonii | YADON'S REIN-ORCHID | Native |
Piptatherum exiguum (Under Stipa exigua) | | Synonym |
Piptatherum micranthum (Under Stipa divaricata) | | Synonym |
Piptatherum miliaceum (Under Stipa miliacea var. miliacea) | | Synonym |
Piptatherum miliaceum subsp. miliaceum (Under Stipa miliacea var. miliacea) | | Synonym |
Piptochaetium setosum (Under Stipa purpurata) | | Synonym |
Piptochaetium stipoides (Under Stipa chaetophora) | | Synonym |
Pistacia | PISTACHIO | |
Pistacia atlantica | | Naturalized |
Pistia | WATER-LETTUCE | |
Pistia stratiotes | | Waif |
Pisum | PEA | |
Pisum sativum | COMMON PEA | Naturalized |
Pisum sativum var. arvense (Under Pisum sativum) | | Synonym |
Pithecellobium minutum (Under Vachellia farnesiana var. minuta) | | Synonym |
Pittosporaceae ↳ Key to Pittosporaceae | PITTOSPORUM FAMILY | |
Pittosporum ↳ Key to Pittosporum | | |
Pittosporum crassifolium | | Naturalized |
Pittosporum tenuifolium | | Waif |
Pittosporum tobira | JAPANESE PITTOSPORUM, MOCK ORANGE | Naturalized |
Pittosporum undulatum | VICTORIAN BOX, MOCK ORANGE | Naturalized |
Pityopus | | |
Pityopus californicus | CALIFORNIA PINEFOOT | Native |
Pityrogramma triangularis var. maxonii (Under Pentagramma maxonii) | | Synonym |
Pityrogramma triangularis var. pallida (Under Pentagramma pallida) | | Synonym |
Pityrogramma triangularis var. triangularis (Under Pentagramma triangularis) | | Synonym |
Pityrogramma triangularis var. viscosa (Under Pentagramma viscosa) | | Synonym |
Plagiobothrys ↳ Key to Plagiobothrys | POPCORNFLOWER | |
Plagiobothrys acanthocarpus | ADOBE POPCORNFLOWER | Native |
Plagiobothrys arizonicus | ARIZONA POPCORNFLOWER | Native |
Plagiobothrys austinae (Under Plagiobothrys austiniae) | | Orthographic variant |
Plagiobothrys austiniae | AUSTIN'S SPINY-NUT POPCORNFLOWER | Native |
Plagiobothrys bracteatus | BRACTED POPCORNFLOWER | Native |
Plagiobothrys bracteatus var. aculeolatus (Under Plagiobothrys bracteatus) | | Synonym |
Plagiobothrys californicus (Under Plagiobothrys collinus var. californicus) | | Synonym |
Plagiobothrys californicus var. fulvescens (Under Plagiobothrys collinus var. fulvescens) | | Synonym |
Plagiobothrys californicus var. gracilis (Under Plagiobothrys collinus var. gracilis) | | Synonym |
Plagiobothrys californicus var. ursinus (Under Plagiobothrys collinus var. ursinus) | | Synonym |
Plagiobothrys canescens | | Native |
Plagiobothrys canescens var. canescens | VALLEY POPCORNFLOWER | Native |
Plagiobothrys canescens var. catalinensis | SANTA CATALINA POPCORNFLOWER | Native |
Plagiobothrys chorisianus | ARTIST'S POPCORNFLOWER | Native |
Plagiobothrys chorisianus var. chorisianus | CHORIS' POPCORNFLOWER | Native |
Plagiobothrys chorisianus var. hickmanii | HICKMAN'S POPCORNFLOWER | Native |
Plagiobothrys cognatus | COGNATE POPCORNFLOWER | Native |
Plagiobothrys collinus | | Native |
Plagiobothrys collinus var. californicus | CALIFORNIA POPCORNFLOWER | Native |
Plagiobothrys collinus var. fulvescens | ROUGH-STEMMED POPCORNFLOWER | Native |
Plagiobothrys collinus var. gracilis | SAN DIEGO POPCORNFLOWER | Native |
Plagiobothrys collinus var. ursinus | BEAR VALLEY POPCORNFLOWER | Native |
Plagiobothrys cusickii | CUSICK'S POPCORNFLOWER | Native |
Plagiobothrys diffusus | SAN FRANCISCO POPCORNFLOWER | Native |
Plagiobothrys distantiflorus | MADERA POPCORNFLOWER | Native |
Plagiobothrys foliaceus (Under Sonnea hispida) | | Synonym |
Plagiobothrys fulvus var. campestris | FIELD POPCORNFLOWER | Native |
Plagiobothrys glaber | HAIRLESS POPCORNFLOWER | Native |
Plagiobothrys glyptocarpus | SCULPTURED-NUT POPCORNFLOWER | Native |
Plagiobothrys glyptocarpus var. glyptocarpus | | Native |
Plagiobothrys glyptocarpus var. modestus | CEDAR RIDGE POPCORNFLOWER | Native |
Plagiobothrys greenei | GREENE'S SPINY-NUT POPCORNFLOWER | Native |
Plagiobothrys hispidulus | HARSH POPCORNFLOWER | Native |
Plagiobothrys hispidus (Under Sonnea hispida) | | Synonym |
Plagiobothrys humistratus | LOW POPCORNFLOWER | Native |
Plagiobothrys hystriculus | BEARDED POPCORNFLOWER | Native |
Plagiobothrys infectivus | DYE POPCORNFLOWER | Native |
Plagiobothrys jonesii (Under Simpsonanthus jonesii) | | Synonym |
Plagiobothrys kingii (Under Amsinckiopsis kingii) | | Synonym |
Plagiobothrys kingii var. harknessii (Under Amsinckiopsis kingii var. harknessii) | | Synonym |
Plagiobothrys kingii var. kingii (Under Amsinckiopsis kingii var. kingii) | | Synonym |
Plagiobothrys leptocladus | ALKALI PLAGIOBOTHRYS | Native |
Plagiobothrys lithocaryus | MAYACAMAS POPCORNFLOWER | Native |
Plagiobothrys mollis | CREEPING POPCORNFLOWER, SOFT POPCORNFLOWER | Native |
Plagiobothrys mollis var. mollis | | Native |
Plagiobothrys mollis var. vestitus | PETALUMA POPCORNFLOWER | Native |
Plagiobothrys myosotoides (Under Plagiobothrys verrucosus) | | Misapplied name |
Plagiobothrys myosotoides subsp. verrucosus (Under Plagiobothrys verrucosus) | | Synonym ined. |
Plagiobothrys nitens | SHINY-NUTLET POPCORNFLOWER | Native |
Plagiobothrys nothofulvus | RUSTY POPCORNFLOWER, FOOTHILL SNOWDROPS | Native |
Plagiobothrys parishii | PARISH'S POPCORNFLOWER | Native |
Plagiobothrys reticulatus | TRACY'S POPCORNFLOWER | Native |
Plagiobothrys reticulatus var. reticulatus | | Native |
Plagiobothrys reticulatus var. rossianorum | FORT ROSS POPCORNFLOWER | Native |
Plagiobothrys salsus | DESERT POPCORNFLOWER | Native |
Plagiobothrys scouleri var. cusickii (Under Plagiobothrys cusickii) | | Synonym |
Plagiobothrys scouleri var. hispidulus (Under Plagiobothrys hispidulus) | | Synonym |
Plagiobothrys scouleri var. penicillatus (Under Plagiobothrys cognatus) | | Synonym, in part |
Plagiobothrys scouleri var. penicillatus (Under Plagiobothrys cusickii) | | Synonym, in part |
Plagiobothrys scouleri var. penicillatus (Under Plagiobothrys hispidulus) | | Synonym, in part |
Plagiobothrys scouleri var. penicillatus (Under Plagiobothrys nitens) | | Synonym, in part |
Plagiobothrys scouleri var. penicillatus (Under Plagiobothrys reticulatus var. rossianorum) | | Synonym, in part |
Plagiobothrys scriptus | SCRIDGEE'S POPCORNFLOWER | Native |
Plagiobothrys shastensis | SHASTA POPCORNFLOWER | Native |
Plagiobothrys stipitatus | GREAT VALLEY POPCORNFLOWER | Native |
Plagiobothrys stipitatus var. micranthus | | Native |
Plagiobothrys stipitatus var. stipitatus | SHOWY GREAT VALLEY POPCORNFLOWER | Native |
Plagiobothrys strictus | CALISTOGA POPCORNFLOWER | Native |
Plagiobothrys tenellus | PACIFIC POPCORNFLOWER | Native |
Plagiobothrys tener | SLENDER POPCORNFLOWER | Native |
Plagiobothrys tener var. subglaber | SERPENTINE POPCORNFLOWER | Native |
Plagiobothrys tener var. tener | | Native |
Plagiobothrys torreyi | HIGH SIERRA POPCORNFLOWER | Native |
Plagiobothrys torreyi var. diffusus | | Native |
Plagiobothrys torreyi var. perplexans | CHAPARRAL POPCORNFLOWER | Native |
Plagiobothrys torreyi var. torreyi | YOSEMITE POPCORNFLOWER | Native |
Plagiobothrys trachycarpus | ROUGH-NUTLET POPCORNFLOWER | Native |
Plagiobothrys uncinatus | HOOKED POPCORNFLOWER | Native |
Plagiobothrys undulatus | WAVY-STEMMED POPCORNFLOWER | Native |
Plagiobothrys verrucosus | FORGET-ME-NOT POPCORNFLOWER | Native |
Planodes | | |
Planodes virginica | | Naturalized |
Plantaginaceae ↳ Key to Plantaginaceae | PLANTAIN FAMILY | |
Plantago ↳ Key to Plantago | PLANTAIN | |
Plantago arenaria | | Naturalized |
Plantago aristata | | Naturalized |
Plantago bigelovii (Under Plantago elongata) | | Synonym |
Plantago bigelovii subsp. bigelovii (Under Plantago elongata) | | Synonym |
Plantago bigelovii subsp. californica (Under Plantago elongata) | | Synonym |
Plantago bigelovii subsp. californica (Under Plantago erecta) | | Misapplied name |
Plantago coronopus | | Naturalized |
Plantago elongata | | Native |
Plantago elongata subsp. elongata (Under Plantago elongata) | | Synonym |
Plantago elongata subsp. pentasperma (Under Plantago elongata) | | Synonym |
Plantago erecta | | Native |
Plantago erecta subsp. rigidior (Under Plantago erecta) | | Synonym |
Plantago eriopoda | | Native |
Plantago fastigiata (Under Plantago ovata var. fastigiata) | | Synonym |
Plantago hirtella var. galeottiana (Under Plantago subnuda) | | Synonym |
Plantago hookeriana var. californica (Under Plantago erecta) | | Synonym |
Plantago indica (Under Plantago arenaria) | | Superfluous name |
Plantago insularis (Under Plantago ovata var. insularis) | | Synonym |
Plantago insularis var. fastigiata (Under Plantago ovata var. fastigiata) | | Synonym |
Plantago lanceolata | ENGLISH PLANTAIN | Naturalized |
Plantago major | COMMON PLANTAIN | Naturalized |
Plantago major var. pilgeri (Under Plantago major) | | Synonym |
Plantago major var. scopulorum (Under Plantago major) | | Synonym |
Plantago maritima | | Native |
Plantago maritima var. californica (Under Plantago maritima) | | Synonym |
Plantago maritima var. juncoides (Under Plantago maritima) | | Synonym |
Plantago maritima var. maritima (Under Plantago maritima) | | Synonym |
Plantago ovata | | Native |
Plantago ovata var. fastigiata | | Native |
Plantago ovata var. insularis | | Native |
Plantago patagonica | | Native |
Plantago psyllium (Under Plantago arenaria) | | Synonym |
Plantago purshii (Under Plantago patagonica) | | Synonym |
Plantago purshii var. oblonga (Under Plantago patagonica) | | Synonym |
Plantago purshii var. picta (Under Plantago patagonica) | | Synonym |
Plantago pusilla | | Naturalized |
Plantago rhodosperma | | Native |
Plantago subnuda | | Native |
Plantago truncata subsp. firma | | Naturalized |
Plantago virginica | | Naturalized |
Platanaceae | PLANE-TREE or SYCAMORE FAMILY | |
Platanthera ↳ Key to Platanthera | BOG-ORCHID | |
Platanthera dilatata var. leucostachys | WHITE-FLOWERED BOG-ORCHID | Native |
Platanthera foetida (Under Piperia unalascensis) | | Synonym |
Platanthera gracilis (Under Platanthera stricta) | | Synonym |
Platanthera hyperborea (Under Platanthera tescamnis) | | Misapplied name |
Platanthera hyperborea var. purpurascens (Under Platanthera yosemitensis) | | Unabridged misapplied name |
Platanthera leucostachys (Under Platanthera dilatata var. leucostachys) | | Synonym |
Platanthera purpurascens (Under Platanthera yosemitensis) | | Unabridged misapplied name |
Platanthera sparsiflora | SPARSE-FLOWERED BOG-ORCHID | Native |
Platanthera stricta | SLENDER BOG-ORCHID | Native |
Platanthera tescamnis | | Native |
Platanthera yosemitensis | YOSEMITE BOG-ORCHID | Native |
Platanus ↳ Key to Platanus | | |
Platanus ×acerifolia (Under Platanus ×hispanica) | | Synonym |
Platanus ×hispanica | LONDON PLANE TREE | Waif |
Platanus ×hybrida (Under Platanus ×hispanica) | | Synonym |
Platanus hispanica (Under Platanus ×hispanica) | | Synonym |
Platanus racemosa | WESTERN SYCAMORE | Native |
Platystemon | | |
Platystemon californicus | CREAM CUPS | Native |
Platystemon californicus var. ciliatus (Under Platystemon californicus) | | Synonym |
Platystemon californicus var. crinitus (Under Platystemon californicus) | | Synonym |
Platystemon californicus var. horridulus (Under Platystemon californicus) | | Synonym |
Platystemon californicus var. nutans (Under Platystemon californicus) | | Synonym |
Platystemon californicus var. ornithopus (Under Platystemon californicus) | | Synonym |
Platystemon californicus var. sphaerocarpus (Under Platystemon californicus) | | Synonym |
Platystemon crinitus (Under Platystemon californicus) | | Synonym |
Platystigma linearis (Under Hesperomecon linearis) | | Synonym |
Plecostachys | | |
Plecostachys serpyllifolia | PETITE-LICORICE | Naturalized |
Plectritis ↳ Key to Plectritis | | |
Plectritis brachystemon (Under Plectritis congesta subsp. brachystemon) | | Synonym |
Plectritis ciliosa | | Native |
Plectritis ciliosa subsp. ciliosa (Under Plectritis ciliosa) | | Synonym |
Plectritis ciliosa subsp. insignis (Under Plectritis ciliosa) | | Synonym |
Plectritis congesta | | Native |
Plectritis congesta subsp. brachystemon | | Native |
Plectritis congesta subsp. congesta | SEA BLUSH | Native |
Plectritis congesta subsp. nitida (Under Plectritis congesta subsp. brachystemon) | | Synonym |
Plectritis eichleriana (Under Plectritis macrocera) | | Synonym |
Plectritis jepsonii (Under Plectritis macrocera) | | Synonym |
Plectritis macrocera | | Native |
Plectritis macrocera var. collina (Under Plectritis macrocera) | | Synonym |
Plectritis macrocera var. grayi (Under Plectritis macrocera) | | Synonym |
Plectritis macrocera var. mamillata (Under Plectritis macrocera) | | Synonym |
Plectritis magna var. nitida (Under Plectritis congesta subsp. brachystemon) | | Synonym |
Pleiacanthus | | |
Pleiacanthus spinosus | THORNY SKELETONWEED | Native |
Pleuraphis jamesii (Under Hilaria jamesii) | | Synonym |
Pleuraphis rigida (Under Hilaria rigida) | | Synonym |
Pleuricospora | | |
Pleuricospora fimbriolata | | Native |
Pleurocoronis | ARROWLEAF | |
Pleurocoronis pluriseta | | Native |
Pleuropogon ↳ Key to Pleuropogon | SEMAPHORE GRASS | |
Pleuropogon californicus | | Native |
Pleuropogon californicus var. californicus | | Native |
Pleuropogon californicus var. davyi | DAVY'S SEMAPHORE GRASS | Native |
Pleuropogon davyi (Under Pleuropogon californicus var. davyi) | | Synonym |
Pleuropogon hooverianus | NORTH COAST SEMAPHORE GRASS | Native |
Pleuropogon refractus | NODDING SEMAPHORE GRASS | Native |
Pluchea ↳ Key to Pluchea | | |
Pluchea odorata var. odorata | SALTMARSH-FLEABANE | Native |
Pluchea sericea | ARROW-WEED | Native |
Plumbaginaceae ↳ Key to Plumbaginaceae | LEADWORT FAMILY | |
Plumbago | LEADWORT | |
Plumbago auriculata | CAPE LEADWORT | Waif |
Pneumonanthe newberryi var. tiogana (Under Gentiana newberryi var. tiogana) | | Synonym |
Poa ↳ Key to Poa | BLUE GRASS | |
Poa ×limosa (Under Poa secunda subsp. juncifolia) | | Synonym |
Poa abbreviata | DWARF BLUE GRASS | Native |
Poa abbreviata subsp. marshii | MARSH'S BLUE GRASS | Native |
Poa abbreviata subsp. pattersonii | PATTERSON'S BLUE GRASS | Native |
Poa alpina var. purpurascens (Under Poa cusickii subsp. purpurascens) | | Synonym |
Poa annua | ANNUAL BLUE GRASS | Naturalized |
Poa atropurpurea | SAN BERNARDINO BLUE GRASS | Native |
Poa bigelovii | | Native |
Poa bolanderi | | Native |
Poa bolanderi var. howellii (Under Poa howellii) | | Synonym |
Poa bulbosa | | Naturalized |
Poa bulbosa subsp. bulbosa | | Waif |
Poa bulbosa subsp. vivipara | | Naturalized |
Poa bulbosa var. bulbosa (Under Poa bulbosa subsp. bulbosa) | | Synonym |
Poa bulbosa var. vivipara (Under Poa bulbosa subsp. vivipara) | | Synonym |
Poa canbyi (Under Poa secunda subsp. secunda) | | Synonym |
Poa compressa | CANADIAN BLUE GRASS | Naturalized |
Poa confinis | BEACH BLUE GRASS | Native |
Poa cusickii | | Native |
Poa cusickii subsp. cusickii | | Native |
Poa cusickii subsp. epilis | SKYLINE BLUE GRASS | Native |
Poa cusickii subsp. pallida | | Native |
Poa cusickii subsp. purpurascens | | Native |
Poa diaboli | DIABLO CANYON BLUE GRASS | Native |
Poa douglasii | SAND DUNE BLUE GRASS | Native |
Poa douglasii subsp. macrantha (Under Poa macrantha) | | Synonym |
Poa epilis (Under Poa cusickii subsp. epilis) | | Synonym |
Poa fendleriana | | Native |
Poa fendleriana subsp. fendleriana | MUTTON GRASS | Native |
Poa fendleriana subsp. longiligula | LONG-TONGUE MUTTON GRASS | Native |
Poa glauca subsp. rupicola | TIMBERLINE BLUE GRASS | Native |
Poa gracillima (Under Poa secunda subsp. secunda) | | Synonym |
Poa hansenii (Under Poa cusickii subsp. cusickii) | | Synonym |
Poa howellii | | Native |
Poa incurva (Under Poa secunda subsp. secunda) | | Synonym |
Poa infirma | WEAK BLUE GRASS | Naturalized |
Poa keckii | | Native |
Poa kelloggii | KELLOGG'S BLUE GRASS | Native |
Poa lemmonii (Under Puccinellia lemmonii) | | Synonym |
Poa leptocoma subsp. leptocoma | BOG BLUE GRASS | Native |
Poa lettermanii | LETTERMAN'S BLUE GRASS | Native |
Poa longiligula (Under Poa fendleriana subsp. longiligula) | | Synonym |
Poa macrantha | SEASHORE BLUE GRASS | Native |
Poa napensis | NAPA BLUE GRASS | Native |
Poa nemoralis | WOOD BLUE GRASS | Naturalized |
Poa nemoralis subsp. nemoralis (Under Poa nemoralis) | | Synonym |
Poa nervosa (Under Poa wheeleri) | | Misapplied name |
Poa palustris | FOWL BLUE GRASS | Naturalized |
Poa pattersonii (Under Poa abbreviata subsp. pattersonii) | | Synonym |
Poa piperi | PIPER'S BLUE GRASS | Native |
Poa pratensis subsp. pratensis | KENTUCKY BLUE GRASS | Naturalized |
Poa pringlei | | Native |
Poa purpurascens (Under Poa cusickii subsp. purpurascens) | | Illegitimate name |
Poa rhizomata | TIMBER BLUE GRASS | Native |
Poa rhizomata (Under Poa piperi) | | Misapplied name |
Poa rupicola (Under Poa glauca subsp. rupicola) | | Synonym |
Poa sandbergii (Under Poa secunda subsp. secunda) | | Synonym |
Poa scabrella (Under Poa secunda subsp. secunda) | | Synonym |
Poa secunda | NEVADA BLUE GRASS | Native |
Poa secunda subsp. juncifolia | | Native |
Poa secunda subsp. secunda | ONE-SIDED BLUE GRASS | Native |
Poa sierrae | SIERRA BLUE GRASS | Native |
Poa stebbinsii | | Native |
Poa subaristata (Under Poa cusickii subsp. pallida) | | Illegitimate name |
Poa suksdorfii (Under Poa keckii) | | Misapplied name |
Poa tenerrima | DELICATE BLUE GRASS | Native |
Poa trivialis | ROUGH BLUE GRASS | Naturalized |
Poa unilateralis subsp. unilateralis | SAN FRANCISCO BLUE GRASS | Native |
Poa wheeleri | | Native |
Poaceae (Gramineae) ↳ Key to Poaceae (Gramineae) | GRASS FAMILY | |
Podagrostis humilis (Under Agrostis humilis) | | Synonym |
Podagrostis thurberiana (Under Agrostis humilis) | | Synonym |
Podistera | | |
Podistera nevadensis | SIERRA PODISTERA | Native |
Pogogyne ↳ Key to Pogogyne | BEARDSTYLE, MESA MINT | |
Pogogyne abramsii | SAN DIEGO MESA MINT | Native |
Pogogyne clareana | SANTA LUCIA MINT | Native |
Pogogyne douglasii | DOUGLAS' BEARDSTYLE | Native |
Pogogyne floribunda | PROFUSE-FLOWERED POGOGYNE | Native |
Pogogyne nudiuscula | OTAY MESA MINT | Native |
Pogogyne serpylloides | THYMELEAF BEARDSTYLE | Native |
Pogogyne serpylloides subsp. intermedia (Under Pogogyne serpylloides) | | Synonym |
Pogogyne zizyphoroides | SACRAMENTO BEARDSTYLE | Native |
Poinciana gilliesii (Under Caesalpinia gilliesii) | | Synonym |
Poinciana spinosa (Under Caesalpinia spinosa) | | Synonym |
Polanisia | | |
Polanisia dodecandra subsp. trachysperma | WESTERN CLAMMYWEED | Native |
Polanisia trachysperma (Under Polanisia dodecandra subsp. trachysperma) | | Synonym |
Polemoniaceae ↳ Key to Polemoniaceae | PHLOX FAMILY | |
Polemonium ↳ Key to Polemonium | | |
Polemonium californicum | | Native |
Polemonium carneum | OREGON POLEMONIUM | Native |
Polemonium chartaceum | MASON'S SKY PILOT | Native |
Polemonium eddyense | MOUNT EDDY SKY PILOT | Native |
Polemonium eximium | | Native |
Polemonium micranthum | | Native |
Polemonium occidentale | | Native |
Polemonium occidentale subsp. occidentale (Under Polemonium occidentale) | | Synonym |
Polemonium pulcherrimum | | Native |
Polemonium pulcherrimum var. pulcherrimum | | Native |
Polemonium pulcherrimum var. shastense | | Native |
Polemonium shastense (Under Polemonium pulcherrimum var. shastense) | | Synonym |
Poliomintha | | |
Poliomintha incana | FROSTED MINT | Native |
Polycarpon | POLYCARP | |
Polycarpon depressum (Under Polycarpon tetraphyllum subsp. depressum) | | Synonym |
Polycarpon tetraphyllum ↳ Key to Polycarpon tetraphyllum | | Native |
Polycarpon tetraphyllum subsp. depressum | | Native |
Polycarpon tetraphyllum subsp. tetraphyllum | FOUR-LEAVED ALLSEED | Naturalized |
Polyctenium | | |
Polyctenium fremontii | | Native |
Polyctenium fremontii var. confertum (Under Polyctenium fremontii) | | Synonym |
Polyctenium fremontii var. fremontii (Under Polyctenium fremontii) | | Synonym |
Polyctenium williamsiae (Under Polyctenium fremontii) | | Synonym |
Polygala acanthoclada (Under Rhinotropis acanthoclada) | | Synonym |
Polygala acanthoclada var. intricata (Under Rhinotropis intermontana) | | Synonym |
Polygala californica (Under Rhinotropis californica) | | Synonym |
Polygala cornuta (Under Rhinotropis cornuta) | | Synonym |
Polygala cornuta subsp. fishiae (Under Rhinotropis cornuta var. fishiae) | | Synonym |
Polygala cornuta var. cornuta (Under Rhinotropis cornuta var. cornuta) | | Synonym |
Polygala cornuta var. fishiae (Under Rhinotropis cornuta var. fishiae) | | Synonym |
Polygala heterorhyncha (Under Rhinotropis heterorhyncha) | | Synonym |
Polygala intermontana (Under Rhinotropis intermontana) | | Synonym |
Polygala subspinosa (Under Rhinotropis subspinosa) | | Synonym |
Polygala subspinosa var. heterorhyncha (Under Rhinotropis heterorhyncha) | | Synonym |
Polygalaceae | MILKWORT FAMILY | |
Polygonaceae ↳ Key to Polygonaceae | BUCKWHEAT FAMILY | |
Polygonum ↳ Key to Polygonum | KNOTWEED | |
Polygonum aequale (Under Polygonum aviculare subsp. depressum) | | Synonym |
Polygonum amphibium (Under Persicaria amphibia) | | Synonym |
Polygonum amphibium var. emersum (Under Persicaria amphibia) | | Synonym |
Polygonum amphibium var. stipulaceum (Under Persicaria amphibia) | | Synonym |
Polygonum arenastrum (Under Polygonum aviculare subsp. depressum) | | Synonym |
Polygonum argyrocoleon | PERSIAN KNOTWEED | Naturalized |
Polygonum aubertii (Under Fallopia baldschuanica) | | Synonym |
Polygonum austiniae | MRS. AUSTIN'S KNOTWEED | Native |
Polygonum aviculare | KNOTWEED, KNOTGRASS | Naturalized |
Polygonum aviculare subsp. aviculare | | Naturalized |
Polygonum aviculare subsp. buxiforme | | Waif |
Polygonum aviculare subsp. depressum | | Naturalized |
Polygonum aviculare subsp. neglectum | | Waif |
Polygonum aviculare subsp. rectum (Under Polygonum aviculare subsp. neglectum) | | Synonym |
Polygonum aviculare subsp. rurivagum | | Waif |
Polygonum baldschuanicum (Under Fallopia baldschuanica) | | Synonym |
Polygonum bidwelliae | BIDWELL'S KNOTWEED | Native |
Polygonum bistortoides (Under Bistorta bistortoides) | | Synonym |
Polygonum bolanderi | BOLANDER'S KNOTWEED | Native |
Polygonum buxiforme (Under Polygonum aviculare subsp. buxiforme) | | Synonym |
Polygonum calcatum (Under Polygonum aviculare subsp. depressum) | | Synonym |
Polygonum californicum | | Native |
Polygonum capitatum (Under Persicaria capitata) | | Synonym |
Polygonum confertiflorum (Under Polygonum polygaloides subsp. confertiflorum) | | Synonym |
Polygonum convolvulus (Under Fallopia convolvulus) | | Synonym |
Polygonum cuspidatum (Under Fallopia japonica) | | Synonym |
Polygonum davisiae (Under Aconogonon davisiae) | | Synonym |
Polygonum douglasii | DOUGLAS' KNOTWEED | Native |
Polygonum douglasii subsp. austiniae (Under Polygonum austiniae) | | Synonym |
Polygonum douglasii subsp. douglasii (Under Polygonum douglasii) | | Synonym |
Polygonum douglasii subsp. johnstonii (Under Polygonum sawatchense subsp. sawatchense) | | Synonym |
Polygonum douglasii subsp. majus (Under Polygonum majus) | | Synonym |
Polygonum douglasii subsp. spergulariiforme (Under Polygonum spergulariiforme) | | Synonym |
Polygonum douglasii var. johnstonii (Under Polygonum sawatchense subsp. sawatchense) | | Synonym |
Polygonum douglasii var. latifolium (Under Polygonum douglasii) | | Synonym |
Polygonum emaciatum (Under Polygonum douglasii) | | Synonym |
Polygonum esotericum (Under Polygonum polygaloides subsp. esotericum) | | Synonym |
Polygonum exile (Under Polygonum sawatchense subsp. sawatchense) | | Synonym |
Polygonum exsertum (Under Polygonum ramosissimum subsp. ramosissimum) | | Synonym |
Polygonum fowleri subsp. fowleri | | Waif |
Polygonum fusiforme (Under Persicaria maculosa) | | Synonym |
Polygonum hickmanii | SCOTTS VALLEY POLYGONUM | Native |
Polygonum hydropiper (Under Persicaria hydropiper) | | Synonym |
Polygonum hydropiperoides (Under Persicaria hydropiperoides) | | Synonym |
Polygonum hydropiperoides var. asperifolia (Under Persicaria hydropiperoides) | | Synonym |
Polygonum interior (Under Polygonum ramosissimum subsp. ramosissimum) | | Synonym |
Polygonum kelloggii (Under Polygonum polygaloides subsp. kelloggii) | | Synonym |
Polygonum kelloggii var. confertiflorum (Under Polygonum polygaloides subsp. confertiflorum) | | Synonym |
Polygonum lapathifolium (Under Persicaria lapathifolia) | | Synonym |
Polygonum lapathifolium var. salicifolium (Under Persicaria lapathifolia) | | Synonym |
Polygonum latum (Under Polygonum ramosissimum subsp. ramosissimum) | | Synonym |
Polygonum leptocarpum (Under Polygonum ramosissimum subsp. ramosissimum) | | Synonym |
Polygonum majus | WIRY KNOTWEED | Native |
Polygonum marinense | MARIN KNOTWEED | Native |
Polygonum microspermum (Under Polygonum aviculare subsp. depressum) | | Synonym |
Polygonum minimum | | Native |
Polygonum montanum (Under Polygonum douglasii) | | Synonym |
Polygonum neglectum (Under Polygonum aviculare subsp. neglectum) | | Synonym |
Polygonum newberryi (Under Aconogonon newberryi) | | Synonym |
Polygonum omissum (Under Persicaria pensylvanica) | | Synonym |
Polygonum paronychia | | Native |
Polygonum parryi | PARRY'S or PRICKLY KNOTWEED | Native |
Polygonum patulum (Under Polygonum ramosissimum) | | Misapplied name |
Polygonum pensylvanicum (Under Persicaria pensylvanica) | | Synonym |
Polygonum pensylvanicum var. durum (Under Persicaria pensylvanica) | | Synonym |
Polygonum pensylvanicum var. eglandulosum (Under Persicaria pensylvanica) | | Synonym |
Polygonum pensylvanicum var. laevigatum (Under Persicaria pensylvanica) | | Synonym |
Polygonum pensylvanicum var. nesophilum (Under Persicaria pensylvanica) | | Synonym |
Polygonum pensylvanicum var. rosiflorum (Under Persicaria pensylvanica) | | Synonym |
Polygonum persicaria (Under Persicaria maculosa) | | Synonym |
Polygonum phytolaccifolium (Under Aconogonon phytolaccifolium) | | Synonym |
Polygonum polygaloides | POLYGALA KNOTWEED | Native |
Polygonum polygaloides subsp. confertiflorum | | Native |
Polygonum polygaloides subsp. esotericum | MODOC COUNTY KNOTWEED | Native |
Polygonum polygaloides subsp. kelloggii | | Native |
Polygonum polystachyum (Under Persicaria wallichii) | | Synonym |
Polygonum prolificum (Under Polygonum ramosissimum subsp. prolificum) | | Synonym |
Polygonum punctatum (Under Persicaria punctata) | | Synonym |
Polygonum punctatum var. confertiflorum (Under Persicaria punctata) | | Synonym |
Polygonum punctatum var. ellipticum (Under Persicaria punctata) | | Synonym |
Polygonum punctatum var. leptostachyum (Under Persicaria punctata) | | Synonym |
Polygonum punctatum var. parviflorum (Under Persicaria punctata) | | Synonym |
Polygonum puritanorum (Under Persicaria maculosa) | | Synonym |
Polygonum ramosissimum | BUSHY KNOTWEED | Native |
Polygonum ramosissimum subsp. prolificum | | Naturalized |
Polygonum ramosissimum subsp. ramosissimum | | Native |
Polygonum ramosissimum var. prolificum (Under Polygonum ramosissimum subsp. prolificum) | | Synonym |
Polygonum rurivagum (Under Polygonum aviculare subsp. rurivagum) | | Synonym |
Polygonum sachalinense (Under Fallopia sachalinensis) | | Synonym |
Polygonum sawatchense | | Native |
Polygonum sawatchense subsp. oblivium | | Native |
Polygonum sawatchense subsp. sawatchense | | Native |
Polygonum scabrum (Under Persicaria lapathifolia) | | Synonym |
Polygonum shastense | | Native |
Polygonum spergulariiforme | | Native |
Polygonum stevensii (Under Polygonum ramosissimum subsp. ramosissimum) | | Synonym |
Polygonum torreyi (Under Polygonum minimum) | | Synonym |
Polygonum triandrum (Under Polygonum sawatchense subsp. sawatchense) | | Synonym |
Polygonum triangulum (Under Polygonum ramosissimum subsp. ramosissimum) | | Synonym |
Polygonum unifolium (Under Polygonum polygaloides subsp. kelloggii) | | Synonym |
Polygonum watsonii (Under Polygonum polygaloides subsp. confertiflorum) | | Synonym |
Polypodiaceae | POLYPODY FAMILY | |
Polypodium ↳ Key to Polypodium | POLYPODY | |
Polypodium californicum | CALIFORNIA POLYPODY | Native |
Polypodium calirhiza | | Native |
Polypodium glycyrrhiza | LICORICE FERN | Native |
Polypodium hesperium | WESTERN POLYPODY | Native |
Polypodium scouleri | LEATHER-LEAF FERN | Native |
Polypodium vulgare var. columbianum (Under Polypodium hesperium) | | Synonym |
Polypogon ↳ Key to Polypogon | BEARD GRASS | |
Polypogon australis | CHILEAN BEARD GRASS | Naturalized |
Polypogon elongatus (Under Polypogon imberbis) | | Misapplied name |
Polypogon imberbis | | Naturalized |
Polypogon interruptus | DITCH BEARD GRASS | Native |
Polypogon maritimus | MEDITERRANEAN BEARD GRASS | Naturalized |
Polypogon monspeliensis | ANNUAL BEARD GRASS, RABBITFOOT GRASS | Naturalized |
Polypogon semiverticillatus (Under Polypogon viridis) | | Synonym |
Polypogon viridis | WATER BEARD GRASS | Naturalized |
Polystichum ↳ Key to Polystichum | SWORD FERN | |
Polystichum californicum | | Native |
Polystichum dudleyi | | Native |
Polystichum imbricans | | Native |
Polystichum imbricans subsp. curtum | | Native |
Polystichum imbricans subsp. imbricans | | Native |
Polystichum kruckebergii | KRUCKEBERG'S SWORD FERN | Native |
Polystichum lemmonii | | Native |
Polystichum lonchitis | HOLLY FERN | Native |
Polystichum munitum | WESTERN SWORD FERN | Native |
Polystichum munitum subsp. imbricans (Under Polystichum imbricans subsp. imbricans) | | Synonym |
Polystichum munitum subsp. nudatum (Under Polystichum imbricans subsp. imbricans) | | Synonym |
Polystichum scopulinum | | Native |
Pontederiaceae ↳ Key to Pontederiaceae | PICKEREL-WEED FAMILY | |
Populus ↳ Key to Populus | COTTONWOOD | |
Populus alba | WHITE POPLAR | Naturalized |
Populus angustifolia | NARROW-LEAVED COTTONWOOD | Native |
Populus balsamifera subsp. trichocarpa (Under Populus trichocarpa) | | Synonym |
Populus deltoides var. fremontii (Under Populus fremontii subsp. fremontii) | | Synonym |
Populus fremontii subsp. fremontii | ALAMO or FREMONT COTTONWOOD | Native |
Populus fremontii var. arizonica (Under Populus fremontii subsp. fremontii) | | Synonym |
Populus fremontii var. macdougalii (Under Populus fremontii subsp. fremontii) | | Synonym |
Populus nigra | BLACK POPLAR, LOMBARDY POPLAR | Naturalized |
Populus nigra var. italica (Under Populus nigra) | | Synonym |
Populus tremuloides | QUAKING ASPEN | Native |
Populus trichocarpa | BLACK COTTONWOOD | Native |
Porophyllum ↳ Key to Porophyllum | | |
Porophyllum gracile | ODORA, SLENDER PORELEAF | Native |
Porophyllum ruderale var. macrocephalum | YERBA POROSA | Agricultural weed |
Porterella | | |
Porterella carnosula | | Native |
Portulaca ↳ Key to Portulaca | | |
Portulaca granulato-stellulata (Under Portulaca oleracea) | | Synonym |
Portulaca halimoides | DESERT PORTULACA | Native |
Portulaca nitida (Under Portulaca oleracea) | | Synonym |
Portulaca oleracea | PURSLANE | Naturalized |
Portulaca oleracea subsp. granulato-stellulata (Under Portulaca oleracea) | | Synonym |
Portulaca oleracea subsp. nitida (Under Portulaca oleracea) | | Synonym |
Portulaca oleracea subsp. oleracea (Under Portulaca oleracea) | | Synonym |
Portulaca oleracea subsp. papillato-stellulata (Under Portulaca oleracea) | | Synonym |
Portulaca papillato-stellulata (Under Portulaca oleracea) | | Synonym |
Portulaca parvula (Under Portulaca halimoides) | | Synonym |
Portulaca retusa (Under Portulaca oleracea) | | Synonym |
Portulacaceae | PURSLANE FAMILY | |
Potamogeton ↳ Key to Potamogeton | PONDWEED | |
Potamogeton alpinus | | Native |
Potamogeton alpinus subsp. tenuifolius (Under Potamogeton alpinus) | | Synonym |
Potamogeton alpinus var. subellipticus (Under Potamogeton alpinus) | | Synonym |
Potamogeton alpinus var. tenuifolius (Under Potamogeton alpinus) | | Synonym |
Potamogeton amplifolius | BROAD-LEAVED PONDWEED | Native |
Potamogeton berchtoldii | | Native |
Potamogeton crispus | CRISP-LEAVED PONDWEED | Naturalized |
Potamogeton diversifolius | DIVERSE-LEAVED PONDWEED | Native |
Potamogeton epihydrus | NUTTALL'S RIBBON-LEAVED PONDWEED | Native |
Potamogeton epihydrus subsp. nuttallii (Under Potamogeton epihydrus) | | Synonym |
Potamogeton fibrillosus (Under Potamogeton foliosus subsp. fibrillosus) | | Synonym |
Potamogeton filiformis var. alpinus (Under Stuckenia filiformis subsp. alpina) | | Synonym |
Potamogeton filiformis var. macounii (Under Stuckenia filiformis subsp. alpina) | | Synonym |
Potamogeton foliosus | LEAFY PONDWEED | Native |
Potamogeton foliosus subsp. fibrillosus | FIBROUS PONDWEED | Native |
Potamogeton foliosus subsp. foliosus | | Native |
Potamogeton foliosus var. fibrillosus (Under Potamogeton foliosus subsp. fibrillosus) | | Synonym |
Potamogeton foliosus var. foliosus (Under Potamogeton foliosus subsp. foliosus) | | Synonym |
Potamogeton gramineus | GRASS-LEAVED PONDWEED | Native |
Potamogeton illinoensis | SHINING PONDWEED | Native |
Potamogeton latifolius (Under Stuckenia striata) | | Synonym |
Potamogeton natans | FLOATING-LEAVED PONDWEED | Native |
Potamogeton nodosus | LONG-LEAVED PONDWEED | Native |
Potamogeton pectinatus (Under Stuckenia pectinata) | | Synonym |
Potamogeton praelongus | WHITE-STEMMED PONDWEED | Native |
Potamogeton pusillus | SMALL PONDWEED | Native |
Potamogeton pusillus subsp. pusillus (Under Potamogeton pusillus) | | Synonym |
Potamogeton pusillus subsp. tenuissimus (Under Potamogeton berchtoldii) | | Synonym |
Potamogeton pusillus var. pusillus (Under Potamogeton pusillus) | | Synonym |
Potamogeton pusillus var. tenuissimus (Under Potamogeton berchtoldii) | | Synonym |
Potamogeton richardsonii | RICHARDSON'S PONDWEED | Native |
Potamogeton robbinsii | ROBBINS' PONDWEED | Native |
Potamogeton zosteriformis | EEL-GRASS PONDWEED | Native |
Potamogetonaceae ↳ Key to Potamogetonaceae | PONDWEED FAMILY | |
Potentilla ↳ Key to Potentilla | CINQUEFOIL | |
Potentilla anglica | ENGLISH CINQUEFOIL | Naturalized |
Potentilla anserina | | Native |
Potentilla anserina subsp. anserina | COMMON SILVERWEED | Native |
Potentilla anserina subsp. pacifica | PACIFIC SILVERWEED | Native |
Potentilla anserina var. sericea (Under Potentilla anserina subsp. anserina) | | Synonym |
Potentilla basaltica | BLACK ROCK POTENTILLA | Native |
Potentilla beanii (Under Potentilla concinna var. proxima) | | Synonym |
Potentilla biennis | BIENNIAL or GREENE'S CINQUEFOIL | Native |
Potentilla breweri | BREWER'S CINQUEFOIL | Native |
Potentilla bruceae | BRUCE'S CINQUEFOIL | Native |
Potentilla callida (Under Ivesia callida) | | Synonym |
Potentilla concinna var. proxima | EARLY CINQUEFOIL | Native |
Potentilla cristae | CRESTED POTENTILLA | Native |
Potentilla diversifolia (Under Potentilla glaucophylla var. glaucophylla) | | Misapplied name |
Potentilla drummondii | DRUMMOND'S CINQUEFOIL | Native |
Potentilla drummondii subsp. breweri (Under Potentilla breweri) | | Synonym |
Potentilla drummondii subsp. bruceae (Under Potentilla bruceae) | | Synonym |
Potentilla egedei var. grandis (Under Potentilla anserina subsp. pacifica) | | Synonym |
Potentilla elata var. dissita (Under Horkelia californica var. elata) | | Synonym |
Potentilla flabellifolia | FAN-FOIL, FANLEAF CINQUEFOIL | Native |
Potentilla flabellifolia var. grayi (Under Potentilla grayi) | | Synonym |
Potentilla flabelliformis (Under Potentilla gracilis var. flabelliformis) | | Synonym |
Potentilla flabelliformis var. inyoensis (Under Potentilla gracilis var. elmeri) | | Synonym |
Potentilla frondosa (Under Horkelia californica var. frondosa) | | Synonym |
Potentilla fruticosa (Under Dasiphora fruticosa) | | Synonym |
Potentilla glandulosa (Under Drymocallis glandulosa) | | Synonym |
Potentilla glandulosa subsp. ashlandica (Under Drymocallis lactea var. austiniae) | | Misapplied name |
Potentilla glandulosa subsp. ewanii (Under Drymocallis cuneifolia var. ewanii) | | Synonym |
Potentilla glandulosa subsp. glandulosa (Under Drymocallis glandulosa var. glandulosa) | | Synonym |
Potentilla glandulosa subsp. globosa (Under Drymocallis rhomboidea) | | Synonym |
Potentilla glandulosa subsp. hansenii (Under Drymocallis hansenii) | | Synonym |
Potentilla glandulosa subsp. nevadensis (Under Drymocallis lactea var. lactea) | | Synonym |
Potentilla glandulosa subsp. pseudorupestris (Under Drymocallis pseudorupestris) | | Synonym |
Potentilla glandulosa subsp. reflexa (Under Drymocallis glandulosa var. reflexa) | | Synonym |
Potentilla glaucophylla var. glaucophylla | BLUELEAF CINQUEFOIL | Native |
Potentilla gracilis | SLENDER CINQUEFOIL | Native |
Potentilla gracilis subsp. nuttallii (Under Potentilla gracilis var. fastigiata) | | Synonym |
Potentilla gracilis var. elmeri | | Native |
Potentilla gracilis var. fastigiata | | Native |
Potentilla gracilis var. flabelliformis | | Native |
Potentilla gracilis var. glabrata (Under Potentilla gracilis var. fastigiata) | | Synonym |
Potentilla gracilis var. gracilis | | Native |
Potentilla gracilis var. permollis (Under Potentilla gracilis var. fastigiata) | | Synonym |
Potentilla gracilis var. pulcherrima (Under Potentilla pulcherrima) | | Synonym |
Potentilla grayi | GRAY'S CINQUEFOIL | Native |
Potentilla hickmanii | HICKMAN'S CINQUEFOIL | Native |
Potentilla howellii (Under Horkelia sericata) | | Synonym |
Potentilla jepsonii | JEPSON'S CINQUEFOIL | Native |
Potentilla millefolia | FEATHER CINQUEFOIL | Native |
Potentilla morefieldii | MOREFIELD'S CINQUEFOIL | Native |
Potentilla multijuga | BALLONA CINQUEFOIL | Native |
Potentilla newberryi | NEWBERRY'S CINQUEFOIL | Native |
Potentilla norvegica | NORWEGIAN or ROUGH CINQUEFOIL | Naturalized |
Potentilla norvegica subsp. monspeliensis (Under Potentilla norvegica) | | Synonym |
Potentilla palustris (Under Comarum palustre) | | Synonym |
Potentilla patellifera (Under Ivesia patellifera) | | Synonym |
Potentilla pectinisecta (Under Potentilla gracilis var. elmeri) | | Synonym |
Potentilla peirsonii (Under Drymocallis cuneifolia var. cuneifolia) | | Synonym |
Potentilla pensylvanica | PRAIRIE CINQUEFOIL | Native |
Potentilla pensylvanica var. ovium (Under Potentilla jepsonii) | | Synonym |
Potentilla pseudosericea | MONO CINQUEFOIL | Native |
Potentilla pulcherrima | BEAUTIFUL CINQUEFOIL | Native |
Potentilla recta | SULPHUR CINQUEFOIL | Naturalized |
Potentilla rhomboidea (Under Drymocallis rhomboidea) | | Synonym |
Potentilla rimicola | CLIFF CINQUEFOIL | Native |
Potentilla rivalis | BROOK or RIVER CINQUEFOIL | Native |
Potentilla rivalis var. millegrana (Under Potentilla rivalis) | | Synonym |
Potentilla rosulata (Under Ivesia saxosa) | | Synonym |
Potentilla saxosa (Under Ivesia saxosa) | | Synonym |
Potentilla saxosa subsp. sierrae (Under Ivesia saxosa) | | Synonym |
Potentilla subvillosa (Under Potentilla bruceae) | | Synonym |
Potentilla uliginosa | CUNNINGHAM MARSH CINQUEFOIL | Native |
Potentilla wheeleri | WHEELER'S CINQUEFOIL | Native |
Potentilla wheeleri var. rimicola (Under Potentilla rimicola) | | Synonym |
Poteridium | | |
Poteridium annuum | WESTERN BURNET | Native |
Poterium | | |
Poterium sanguisorba | GARDEN BURNET | Naturalized |
Prenanthella | | |
Prenanthella exigua | BRIGHTWHITE | Native |
Primula ↳ Key to Primula | PRIMROSE, SHOOTING STAR | |
Primula clevelandii | | Native |
Primula clevelandii var. clevelandii | | Native |
Primula clevelandii var. gracilis | | Native |
Primula clevelandii var. insularis | | Native |
Primula clevelandii var. patula | | Native |
Primula conjugens | | Native |
Primula fragrans | | Native |
Primula hendersonii | MOSQUITO BILL(S), SAILOR CAPS | Native |
Primula jeffreyi | SIERRA SHOOTING STAR | Native |
Primula pauciflora | BEAUTIFUL SHOOTING STAR | Native |
Primula pauciflora var. macrocarpa (Under Primula pauciflora) | | Synonym |
Primula pauciflora var. monantha (Under Primula pauciflora) | | Synonym |
Primula pauciflora var. shoshonensis (Under Primula pauciflora) | | Synonym |
Primula subalpina | | Native |
Primula suffrutescens | SIERRA PRIMROSE | Native |
Primula tetrandra | ALPINE SHOOTING STAR | Native |
Primulaceae ↳ Key to Primulaceae | PRIMROSE FAMILY | |
Proboscidea ↳ Key to Proboscidea | UNICORN-PLANT | |
Proboscidea althaeifolia | DESERT UNICORN-PLANT | Native |
Proboscidea altheaefolia (Under Proboscidea althaeifolia) | | Orthographic variant |
Proboscidea louisianica subsp. louisianica | | Naturalized |
Proboscidea lutea | | Naturalized |
Prosartes ↳ Key to Prosartes | | |
Prosartes hookeri | | Native |
Prosartes hookeri var. hookeri (Under Prosartes hookeri) | | Synonym |
Prosartes hookeri var. parvifolia (Under Prosartes parvifolia) | | Synonym |
Prosartes hookeri var. trachyandra (Under Prosartes hookeri) | | Synonym |
Prosartes parvifolia | SISKIYOU BELLS | Native |
Prosartes smithii | | Native |
Prosopis glandulosa var. torreyana (Under Neltuma odorata) | | Synonym |
Prosopis juliflora var. torreyana (Under Neltuma odorata) | | Synonym |
Prosopis juliflora var. velutina (Under Neltuma velutina) | | Synonym |
Prosopis pubescens (Under Strombocarpa pubescens) | | Synonym |
Prosopis strombulifera (Under Strombocarpa strombulifera) | | Synonym |
Prosopis velutina (Under Neltuma velutina) | | Synonym |
Proteaceae | PROTEA FAMILY | |
Prunella | SELF-HEAL | |
Prunella vulgaris ↳ Key to Prunella vulgaris | | Native |
Prunella vulgaris subsp. lanceolata (Under Prunella vulgaris var. lanceolata) | | Synonym |
Prunella vulgaris var. atropurpurea (Under Prunella vulgaris var. lanceolata) | | Synonym |
Prunella vulgaris var. lanceolata | | Native |
Prunella vulgaris var. parviflora (Under Prunella vulgaris var. vulgaris) | | Synonym |
Prunella vulgaris var. vulgaris | | Naturalized |
Prunus ↳ Key to Prunus | | |
Prunus amygdalus (Under Prunus dulcis) | | Synonym |
Prunus andersonii | DESERT PEACH | Native |
Prunus cerasifera | CHERRY PLUM | Naturalized |
Prunus dulcis | ALMOND | Naturalized |
Prunus emarginata | BITTER CHERRY | Native |
Prunus eremophila | MOJAVE DESERT PLUM | Native |
Prunus fasciculata | DESERT ALMOND | Native |
Prunus fasciculata var. fasciculata | | Native |
Prunus fasciculata var. punctata | SAND ALMOND | Native |
Prunus fremontii | DESERT APRICOT | Native |
Prunus ilicifolia | | Native |
Prunus ilicifolia subsp. ilicifolia | ISLAY, HOLLY-LEAFED CHERRY | Native |
Prunus ilicifolia subsp. lyonii | CATALINA CHERRY | Native |
Prunus lyonii (Under Prunus ilicifolia subsp. lyonii) | | Synonym |
Prunus persica | PEACH | Naturalized |
Prunus subcordata | PACIFIC PLUM, SIERRA PLUM | Native |
Prunus virginiana var. demissa | WESTERN CHOKE CHERRY | Native |
Psathyrotes ↳ Key to Psathyrotes | | |
Psathyrotes annua | | Native |
Psathyrotes ramosissima | TURTLEBACK | Native |
Pseudobahia ↳ Key to Pseudobahia | | |
Pseudobahia bahiifolia | HARTWEG'S GOLDEN SUNBURST | Native |
Pseudobahia bahiifolia var. pinnatifida (Under Pseudobahia heermannii) | | Synonym ined. |
Pseudobahia heermannii | FOOTHILL SUNBURST, BRITTLESTEM | Native |
Pseudobahia peirsonii | SAN JOAQUIN ADOBE SUNBURST | Native |
Pseudognaphalium ↳ Key to Pseudognaphalium | CUDWEED, EVERLASTING | |
Pseudognaphalium beneolens | | Native |
Pseudognaphalium biolettii | | Native |
Pseudognaphalium californicum | | Native |
Pseudognaphalium canescens | | Native |
Pseudognaphalium canescens subsp. beneolens (Under Pseudognaphalium beneolens) | | Synonym |
Pseudognaphalium leucocephalum | WHITE RABBIT-TOBACCO | Native |
Pseudognaphalium luteoalbum | | Naturalized |
Pseudognaphalium macounii | MACOUN'S EVERLASTING | Native |
Pseudognaphalium microcephalum | | Native |
Pseudognaphalium microcephalum var. thermale (Under Pseudognaphalium thermale) | | Synonym |
Pseudognaphalium ramosissimum | | Native |
Pseudognaphalium roseum | | Native |
Pseudognaphalium stramineum | | Native |
Pseudognaphalium thermale | | Native |
Pseudoroegneria spicata (Under Elymus spicatus) | | Synonym |
Pseudoroegneria spicata subsp. spicata (Under Elymus spicatus) | | Synonym |
Pseudorontium | | |
Pseudorontium cyathiferum | DEEP CANYON SNAPDRAGON | Native |
Pseudostellaria jamesiana (Under Torreyostellaria jamesiana) | | Synonym |
Pseudostellaria sierrae (Under Hartmaniella sierrae) | | Synonym |
Pseudotrillium | | |
Pseudotrillium rivale | BROOK WAKEROBIN | Native |
Pseudotsuga ↳ Key to Pseudotsuga | | |
Pseudotsuga macrocarpa | BIGCONE DOUGLAS-FIR, BIGCONE SPRUCE | Native |
Pseudotsuga menziesii var. menziesii | DOUGLAS-FIR | Native |
Psilocarphus ↳ Key to Psilocarphus | WOOLLY-MARBLES, WOOLLYHEADS | |
Psilocarphus brevissimus | | Native |
Psilocarphus brevissimus var. brevissimus | DWARF WOOLLYHEADS | Native |
Psilocarphus brevissimus var. multiflorus | DELTA WOOLLY-MARBLES | Native |
Psilocarphus chilensis | ROUND WOOLLY-MARBLES | Native |
Psilocarphus elatior | TALL WOOLLY-MARBLES | Native |
Psilocarphus globiferus (Under Psilocarphus brevissimus var. brevissimus) | | Synonym |
Psilocarphus globiferus (Under Psilocarphus chilensis) | | Synonym |
Psilocarphus globiferus (Under Psilocarphus chilensis) | | Synonym, in part |
Psilocarphus oregonus | OREGON WOOLLYHEADS | Native |
Psilocarphus tenellus | SLENDER WOOLLY-MARBLES | Native |
Psilocarphus tenellus var. globiferus (Under Psilocarphus chilensis) | | Synonym |
Psilocarphus tenellus var. tenellus (Under Psilocarphus tenellus) | | Synonym |
Psilocarphus tenellus var. tenuis (Under Psilocarphus chilensis) | | Synonym |
Psilostrophe | PAPER-DAISY | |
Psilostrophe cooperi | | Native |
Psoralea bituminosa (Under Bituminaria bituminosa) | | Synonym |
Psoralea californica (Under Pediomelum californicum) | | Synonym |
Psoralea castorea (Under Pediomelum castoreum) | | Synonym |
Psoralea hallii var. media (Under Hoita macrostachya) | | Synonym |
Psoralea lanceolata (Under Ladeania lanceolata) | | Synonym |
Psoralea lanceolata subsp. scabra (Under Ladeania lanceolata) | | Synonym |
Psoralea orbicularis (Under Hoita orbicularis) | | Synonym |
Psoralea physodes (Under Rupertia physodes) | | Synonym |
Psoralea rigida (Under Rupertia rigida) | | Synonym |
Psoralea strobilina (Under Hoita strobilina) | | Synonym |
Psoralidium lanceolatum (Under Ladeania lanceolata) | | Synonym |
Psorodendron arborescens (Under Psorothamnus arborescens var. arborescens) | | Synonym |
Psorodendron fremontii (Under Psorothamnus fremontii var. fremontii) | | Synonym |
Psorodendron schottii (Under Psorothamnus schottii) | | Synonym |
Psorothamnus ↳ Key to Psorothamnus | INDIGO-BUSH | |
Psorothamnus arborescens | MOJAVE INDIGO-BUSH | Native |
Psorothamnus arborescens var. arborescens | | Native |
Psorothamnus arborescens var. minutifolius | | Native |
Psorothamnus arborescens var. simplicifolius | | Native |
Psorothamnus emoryi | | Native |
Psorothamnus fremontii | FREMONT'S DALEA | Native |
Psorothamnus fremontii var. attenuatus | NARROW-LEAVED PSOROTHAMNUS | Native |
Psorothamnus fremontii var. fremontii | | Native |
Psorothamnus polydenius | | Native |
Psorothamnus schottii | INDIGO-BUSH | Native |
Psorothamnus spinosus | SMOKE TREE | Native |
Ptelea | HOP TREE | |
Ptelea crenulata | | Native |
Pteridaceae ↳ Key to Pteridaceae | BRAKE FAMILY | |
Pteridium | BRACKEN, BRAKE | |
Pteridium aquilinum var. pubescens | | Native |
Pteris ↳ Key to Pteris | BRAKE | |
Pteris cretica | CRETAN BRAKE | Naturalized |
Pteris tremula | | Waif |
Pteris vittata | LADDER BRAKE | Naturalized |
Pterocarya | WINGNUT | |
Pterocarya stenoptera | CHINESE WINGNUT | Waif |
Pterospora | PINEDROPS | |
Pterospora andromedea | | Native |
Pterostegia | WOODLAND THREADSTEM | |
Pterostegia diphylla (Under Pterostegia drymarioides) | | Synonym |
Pterostegia diphylla var. biloba (Under Pterostegia drymarioides) | | Synonym |
Pterostegia drymarioides | | Native |
Pterostegia microphylla (Under Pterostegia drymarioides) | | Synonym |
Pteryxia petraea (Under Cymopterus terebinthinus var. petraeus) | | Synonym |
Pteryxia terebinthina var. californica (Under Cymopterus terebinthinus var. californicus) | | Synonym |
Ptilagrostis kingii (Under Stipa kingii) | | Synonym |
Puccinellia ↳ Key to Puccinellia | ALKALI GRASS | |
Puccinellia airoides (Under Puccinellia nuttalliana) | | Synonym |
Puccinellia californica (Under Torreyochloa pallida var. pauciflora) | | Synonym |
Puccinellia distans | EUROPEAN ALKALI GRASS | Naturalized |
Puccinellia erecta (Under Torreyochloa erecta) | | Synonym |
Puccinellia grandis (Under Puccinellia nutkaensis) | | Synonym |
Puccinellia howellii | HOWELL'S ALKALI GRASS | Native |
Puccinellia lemmonii | LEMMON'S ALKALI GRASS | Native |
Puccinellia nutkaensis | ALASKA ALKALI GRASS | Native |
Puccinellia nuttalliana | NUTTALL'S ALKALI GRASS | Native |
Puccinellia parishii | PARISH'S ALKALI GRASS | Native |
Puccinellia pauciflora (Under Torreyochloa pallida var. pauciflora) | | Synonym |
Puccinellia pumila | DWARF ALKALI GRASS | Native |
Puccinellia simplex | | Native |
Pugiopappus bigelovii (Under Leptosyne bigelovii) | | Synonym |
Pulicaria | FALSE-FLEABANE | |
Pulicaria hispanica (Under Pulicaria paludosa) | | Synonym |
Pulicaria paludosa | | Naturalized |
Punica | POMEGRANATE | |
Punica granatum | | Naturalized |
Purpusia saxosa (Under Ivesia arizonica var. arizonica) | | Synonym |
Purshia ↳ Key to Purshia | | |
Purshia glandulosa (Under Purshia tridentata var. glandulosa) | | Synonym |
Purshia mexicana var. stansburyana (Under Purshia stansburyana) | | Synonym |
Purshia stansburyana | CLIFFROSE | Native |
Purshia tridentata | BITTERBRUSH | Native |
Purshia tridentata var. glandulosa | | Native |
Purshia tridentata var. tridentata | | Native |
Pycnanthemum | | |
Pycnanthemum californicum | | Native |
Pyracantha ↳ Key to Pyracantha | | |
Pyracantha angustifolia | SLENDER or WOOLLY FIRETHORN | Naturalized |
Pyracantha atalantioides | SICHUAN FIRETHORN | Waif |
Pyracantha coccinea | FIRETHORN or SCARLET FIRETHORN | Waif |
Pyracantha crenatoserrata (Under Pyracantha fortuneana) | | Synonym |
Pyracantha crenulata | HIMALAYAN or NEPAL FIRETHORN | Waif |
Pyracantha fortuneana | CHINESE FIRETHORN | Naturalized |
Pyracantha koidzumii | TAIWAN FIRETHORN | Naturalized |
Pyracantha rogersiana (Under Pyracantha fortuneana) | | Synonym |
Pyrola ↳ Key to Pyrola | WINTERGREEN | |
Pyrola aphylla | LEAFLESS WINTERGREEN | Native |
Pyrola asarifolia | | Native |
Pyrola asarifolia subsp. asarifolia | BOG WINTERGREEN | Native |
Pyrola asarifolia subsp. bracteata | LONG-BRACTED WINTERGREEN | Native |
Pyrola asarifolia var. purpurea (Under Pyrola asarifolia subsp. asarifolia) | | Synonym |
Pyrola bracteata (Under Pyrola asarifolia subsp. bracteata) | | Synonym |
Pyrola californica (Under Pyrola asarifolia subsp. asarifolia) | | Synonym |
Pyrola crypta | CRYPTIC WINTERGREEN | Native |
Pyrola dentata | TOOTHED WINTERGREEN | Native |
Pyrola minor | LESSER WINTERGREEN | Native |
Pyrola pallida (Under Pyrola dentata) | | Synonym |
Pyrola picta | WHITE-VEINED WINTERGREEN | Native |
Pyrola picta f. aphylla (Under Pyrola aphylla) | | Synonym |
Pyrola picta subsp. dentata (Under Pyrola dentata) | | Synonym |
Pyrola picta subsp. integra (Under Pyrola dentata) | | Synonym |
Pyrola picta subsp. pallida (Under Pyrola dentata) | | Synonym |
Pyrola picta var. dentata (Under Pyrola dentata) | | Synonym |
Pyrola secunda (Under Orthilia secunda) | | Synonym |
Pyrrocoma ↳ Key to Pyrrocoma | | |
Pyrrocoma apargioides | ALPINE FLAMES | Native |
Pyrrocoma carthamoides var. cusickii | LARGE-FLOWERED GOLDENWEED | Native |
Pyrrocoma hirta | TACKY GOLDENWEED | Native |
Pyrrocoma hirta var. hirta | | Native |
Pyrrocoma hirta var. lanulosa | | Native |
Pyrrocoma lanceolata | LANCE-LEAVED GOLDENWEED | Native |
Pyrrocoma lanceolata var. lanceolata | | Native |
Pyrrocoma lanceolata var. subviscosa | | Native |
Pyrrocoma lanulosa (Under Pyrrocoma hirta var. lanulosa) | | Synonym |
Pyrrocoma lucida | STICKY PYRROCOMA | Native |
Pyrrocoma racemosa | CLUSTERED GOLDENWEED | Native |
Pyrrocoma racemosa var. congesta | DEL NORTE PYRROCOMA | Native |
Pyrrocoma racemosa var. paniculata | | Native |
Pyrrocoma racemosa var. pinetorum | PINE PYRROCOMA | Native |
Pyrrocoma racemosa var. racemosa | | Native |
Pyrrocoma racemosa var. sessiliflora | | Native |
Pyrrocoma uniflora | PLANTAIN GOLDENWEED | Native |
Pyrrocoma uniflora var. gossypina | BEAR VALLEY PYRROCOMA | Native |
Pyrrocoma uniflora var. uniflora | | Native |
Pyrus | PEAR | |
Pyrus communis | COMMON PEAR | Naturalized |
Pyrus malus (Under Malus pumila) | | Synonym |
Quamoclidion froebelii (Under Mirabilis multiflora var. pubescens) | | Synonym |
Quamoclidion greenei (Under Mirabilis greenei) | | Synonym |
Quercus ↳ Key to Quercus | OAK | |
Quercus ×acutidens | | Native |
Quercus ×alvordiana | | Native |
Quercus ×macdonaldii | MACDONALD OAK | Native |
Quercus agrifolia | COAST LIVE OAK, ENCINA | Native |
Quercus agrifolia var. agrifolia | | Native |
Quercus agrifolia var. frutescens (Under Quercus agrifolia var. agrifolia) | | Synonym |
Quercus agrifolia var. oxyadenia | | Native |
Quercus berberidifolia | SCRUB OAK | Native |
Quercus breweri (Under Quercus garryana var. breweri) | | Synonym |
Quercus cedrosensis | CEDROS ISLAND OAK | Native |
Quercus celata (Under Quercus parvula var. shrevei) | | Synonym ined. |
Quercus chrysolepis | MAUL OAK, CANYON LIVE OAK | Native |
Quercus chrysolepis var. nana (Under Quercus chrysolepis) | | Synonym |
Quercus cornelius-mulleri | MULLER'S OAK | Native |
Quercus douglasii | BLUE OAK | Native |
Quercus dumosa | NUTTALL'S SCRUB OAK | Native |
Quercus dunnii (Under Quercus palmeri) | | Illegitimate name |
Quercus durata | LEATHER OAK | Native |
Quercus durata var. durata | | Native |
Quercus durata var. gabrielensis | SAN GABRIEL OAK | Native |
Quercus engelmannii | ENGELMANN OAK | Native |
Quercus garryana | OREGON OAK | Native |
Quercus garryana var. breweri | | Native |
Quercus garryana var. garryana | | Native |
Quercus garryana var. semota | | Native |
Quercus ilex | HOLLY OAK | Naturalized |
Quercus john-tuckeri | TUCKER'S OAK | Native |
Quercus kelloggii | CALIFORNIA BLACK OAK | Native |
Quercus lobata | VALLEY OAK, ROBLE | Native |
Quercus lobata f. insperata (Under Quercus lobata) | | Synonym |
Quercus lobata f. rarita (Under Quercus lobata) | | Synonym |
Quercus lobata var. lobata (Under Quercus lobata) | | Synonym |
Quercus lobata var. turbinata (Under Quercus lobata) | | Synonym |
Quercus lobata var. walteri (Under Quercus lobata) | | Synonym |
Quercus pacifica | ISLAND SCRUB OAK | Native |
Quercus palmeri | PALMER'S OAK | Native |
Quercus parvula | | Native |
Quercus parvula var. parvula | SANTA CRUZ ISLAND OAK | Native |
Quercus parvula var. shrevei | SHREVE OAK | Native |
Quercus parvula var. tamalpaisensis | TAMALPAIS OAK | Native |
Quercus pedunculata (Under Quercus robur) | | Synonym |
Quercus robur | ENGLISH OAK, PEDUNCULATE OAK | Waif |
Quercus sadleriana | DEER OAK | Native |
Quercus tomentella | ISLAND OAK | Native |
Quercus turbinella | SHRUB LIVE OAK | Native |
Quercus turbinella subsp. californica (Under Quercus john-tuckeri) | | Synonym |
Quercus vacciniifolia | HUCKLEBERRY OAK | Native |
Quercus wislizeni | INTERIOR LIVE OAK | Native |
Quercus wislizeni var. frutescens | | Native |
Quercus wislizeni var. wislizeni | | Native |
Rafinesquia ↳ Key to Rafinesquia | | |
Rafinesquia californica | CALIFORNIA CHICORY | Native |
Rafinesquia neomexicana | DESERT CHICORY | Native |
Raillardella ↳ Key to Raillardella | | |
Raillardella argentea | SILKY RAILLARDELLA | Native |
Raillardella pringlei | SHOWY RAILLARDELLA | Native |
Raillardella scaposa | | Native |
Raillardiopsis muirii (Under Carlquistia muirii) | | Synonym |
Raillardiopsis scabrida (Under Anisocarpus scabridus) | | Synonym |
Ranunculaceae ↳ Key to Ranunculaceae | BUTTERCUP FAMILY | |
Ranunculus ↳ Key to Ranunculus | BUTTERCUP | |
Ranunculus acris | | Waif |
Ranunculus alceus (Under Ranunculus occidentalis var. ultramontanus) | | Synonym |
Ranunculus alismifolius | | Native |
Ranunculus alismifolius var. alismellus | | Native |
Ranunculus alismifolius var. alismifolius | | Native |
Ranunculus alismifolius var. hartwegii | | Native |
Ranunculus alismifolius var. lemmonii | | Native |
Ranunculus alveolatus (Under Ranunculus bonariensis var. trisepalus) | | Synonym |
Ranunculus andersonii | | Native |
Ranunculus aquatilis | | Native |
Ranunculus aquatilis var. aquatilis | | Native |
Ranunculus aquatilis var. capillaceus (Under Ranunculus aquatilis var. diffusus) | | Synonym |
Ranunculus aquatilis var. diffusus | | Native |
Ranunculus aquatilis var. harrisii (Under Ranunculus aquatilis var. diffusus) | | Synonym |
Ranunculus aquatilis var. hispidulus (Under Ranunculus aquatilis var. aquatilis) | | Synonym |
Ranunculus aquatilis var. longirostris (Under Ranunculus aquatilis var. diffusus) | | Synonym |
Ranunculus aquatilis var. subrigidus (Under Ranunculus aquatilis var. diffusus) | | Synonym |
Ranunculus aquatilus (Under Ranunculus aquatilis) | | Orthographic variant |
Ranunculus arvensis | | Naturalized |
Ranunculus bonariensis var. trisepalus | | Native |
Ranunculus bongardii (Under Ranunculus uncinatus) | | Synonym |
Ranunculus bulbosus | | Waif |
Ranunculus californicus | | Native |
Ranunculus californicus var. austromontanus (Under Ranunculus californicus var. californicus) | | Synonym |
Ranunculus californicus var. californicus | | Native |
Ranunculus californicus var. cuneatus | | Native |
Ranunculus californicus var. gratus (Under Ranunculus californicus var. californicus) | | Synonym |
Ranunculus californicus var. rugulosus (Under Ranunculus californicus var. californicus) | | Synonym |
Ranunculus canus | | Native |
Ranunculus canus var. canus | | Native |
Ranunculus canus var. ludovicianus | | Native |
Ranunculus circinatus var. subrigidus (Under Ranunculus aquatilis var. diffusus) | | Synonym |
Ranunculus cymbalaria | | Native |
Ranunculus cymbalaria var. saximontanus (Under Ranunculus cymbalaria) | | Synonym |
Ranunculus delphinifolius (Under Ranunculus flabellaris) | | Synonym |
Ranunculus eschscholtzii | | Native |
Ranunculus eschscholtzii var. eschscholtzii | | Native |
Ranunculus eschscholtzii var. oxynotus | | Native |
Ranunculus eschscholtzii var. suksdorfii | | Native |
Ranunculus flabellaris | | Native |
Ranunculus flammula | | Native |
Ranunculus flammula var. flammula | | Native |
Ranunculus flammula var. ovalis | | Native |
Ranunculus flammula var. samolifolius (Under Ranunculus flammula var. ovalis) | | Synonym |
Ranunculus glaberrimus | | Native |
Ranunculus glaberrimus var. ellipticus | | Native |
Ranunculus glaberrimus var. glaberrimus | | Native |
Ranunculus gormanii | | Native |
Ranunculus hebecarpus | | Native |
Ranunculus hydrocharoides | FROG'S-BIT BUTTERCUP | Native |
Ranunculus hystriculus | | Native |
Ranunculus lemmonii (Under Ranunculus alismifolius var. lemmonii) | | Synonym |
Ranunculus lobbii | LOBB'S AQUATIC BUTTERCUP | Native |
Ranunculus longirostris (Under Ranunculus aquatilis var. diffusus) | | Synonym |
Ranunculus macounii | MACOUN'S BUTTERCUP | Native |
Ranunculus minimus (Under Myosurus minimus) | | Synonym |
Ranunculus muricatus | | Naturalized |
Ranunculus occidentalis | | Native |
Ranunculus occidentalis var. alceus (Under Ranunculus occidentalis var. ultramontanus) | | Synonym |
Ranunculus occidentalis var. dissectus | | Native |
Ranunculus occidentalis var. eisenii (Under Ranunculus occidentalis var. occidentalis) | | Synonym |
Ranunculus occidentalis var. howellii | | Native |
Ranunculus occidentalis var. occidentalis | | Native |
Ranunculus occidentalis var. rattanii (Under Ranunculus occidentalis var. occidentalis) | | Synonym |
Ranunculus occidentalis var. ultramontanus | | Native |
Ranunculus orthorhynchus | | Native |
Ranunculus orthorhynchus subsp. platyphyllus (Under Ranunculus orthorhynchus var. platyphyllus) | | Synonym |
Ranunculus orthorhynchus var. bloomeri | | Native |
Ranunculus orthorhynchus var. hallii (Under Ranunculus orthorhynchus var. orthorhynchus) | | Synonym |
Ranunculus orthorhynchus var. orthorhynchus | | Native |
Ranunculus orthorhynchus var. platyphyllus | | Native |
Ranunculus parviflorus | | Naturalized |
Ranunculus populago | | Native |
Ranunculus pusillus | | Native |
Ranunculus repens | | Naturalized |
Ranunculus sardous | | Naturalized |
Ranunculus sceleratus | | Native |
Ranunculus sceleratus var. multifidus | | Native |
Ranunculus sceleratus var. sceleratus | | Naturalized |
Ranunculus subrigidus (Under Ranunculus aquatilis var. diffusus) | | Synonym |
Ranunculus testiculatus | | Naturalized |
Ranunculus trichophyllus (Under Ranunculus aquatilis var. diffusus) | | Synonym |
Ranunculus trichophyllus var. trichophyllus (Under Ranunculus aquatilis var. diffusus) | | Synonym |
Ranunculus trilobus | | Extirpated waif |
Ranunculus uncinatus | | Native |
Ranunculus uncinatus var. parviflorus (Under Ranunculus uncinatus) | | Synonym |
Raphanus ↳ Key to Raphanus | | |
Raphanus raphanistrum | JOINTED CHARLOCK | Naturalized |
Raphanus sativus | RADISH | Naturalized |
Rapistrum | WILD TURNIP | |
Rapistrum rugosum | | Naturalized |
Ratibida | PRAIRIE CONE-FLOWER | |
Ratibida columnaris var. pulcherrima (Under Ratibida columnifera) | | Synonym |
Ratibida columnifera | | Naturalized |
Reseda ↳ Key to Reseda | MIGNONETTE | |
Reseda alba | WHITE MIGNONETTE | Naturalized |
Reseda lutea | YELLOW MIGNONETTE | Naturalized |
Reseda luteola | DYER'S ROCKET | Naturalized |
Reseda odorata | GARDEN MIGNONETTE | Waif |
Resedaceae ↳ Key to Resedaceae | MIGNONETTE FAMILY | |
Retama monosperma (Under Genista monosperma) | | Synonym |
Reynoutria baldschuanica (Under Fallopia baldschuanica) | | Synonym |
Reynoutria convolvulus (Under Fallopia convolvulus) | | Synonym |
Reynoutria japonica (Under Fallopia japonica) | | Synonym |
Reynoutria sachalinensis (Under Fallopia sachalinensis) | | Synonym |
Rhagadiolus | | |
Rhagadiolus stellatus | | Naturalized |
Rhamnaceae ↳ Key to Rhamnaceae | BUCKTHORN FAMILY | |
Rhamnus ↳ Key to Rhamnus | BUCKTHORN | |
Rhamnus alaternus | ITALIAN BUCKHORN | Waif |
Rhamnus alnifolia | ALDER BUCKTHORN | Native |
Rhamnus annonifolia (Under Frangula purshiana subsp. annonifolia) | | Synonym |
Rhamnus californica (Under Frangula californica) | | Synonym |
Rhamnus californica subsp. californica (Under Frangula californica subsp. californica) | | Synonym |
Rhamnus californica subsp. crassifolia (Under Frangula californica subsp. crassifolia) | | Synonym |
Rhamnus californica subsp. cuspidata (Under Frangula californica subsp. cuspidata) | | Synonym |
Rhamnus californica subsp. occidentalis (Under Frangula californica subsp. occidentalis) | | Synonym |
Rhamnus californica subsp. tomentella (Under Frangula californica subsp. tomentella) | | Synonym |
Rhamnus californica subsp. ursina (Under Frangula californica subsp. ursina) | | Synonym |
Rhamnus californica var. crassifolia (Under Frangula californica subsp. crassifolia) | | Synonym |
Rhamnus californica var. obtusissima (Under Frangula californica subsp. californica) | | Unabridged misapplied name, in part |
Rhamnus californica var. obtusissima (Under Frangula rubra) | | Unabridged misapplied name, in part |
Rhamnus californica var. obtusissima (Under Frangula rubra subsp. obtusissima) | | Misapplied name, in part |
Rhamnus californica var. occidentalis (Under Frangula californica subsp. occidentalis) | | Synonym |
Rhamnus californica var. rubra (Under Frangula rubra) | | Synonym |
Rhamnus californica var. tomentella (Under Frangula californica subsp. tomentella) | | Synonym |
Rhamnus californica var. ursina (Under Frangula californica subsp. ursina) | | Synonym |
Rhamnus californica var. viridula (Under Frangula californica subsp. cuspidata) | | Synonym |
Rhamnus catalinae (Under Rhamnus pirifolia) | | Synonym |
Rhamnus crocea | SPINY REDBERRY | Native |
Rhamnus crocea subsp. ilicifolia (Under Rhamnus ilicifolia) | | Synonym |
Rhamnus crocea subsp. pilosa (Under Rhamnus pilosa) | | Synonym |
Rhamnus crocea subsp. pirifolia (Under Rhamnus pirifolia) | | Synonym |
Rhamnus crocea var. ilicifolia (Under Rhamnus ilicifolia) | | Synonym |
Rhamnus crocea var. insularis (Under Rhamnus pirifolia) | | Synonym |
Rhamnus crocea var. pilosa (Under Rhamnus pilosa) | | Synonym |
Rhamnus crocea var. pirifolia (Under Rhamnus pirifolia) | | Synonym |
Rhamnus cuspidata (Under Frangula californica subsp. cuspidata) | | Synonym |
Rhamnus ilicifolia | HOLLYLEAF REDBERRY | Native |
Rhamnus obtusissima (Under Frangula rubra subsp. obtusissima) | | Synonym |
Rhamnus occidentalis (Under Frangula californica subsp. occidentalis) | | Synonym |
Rhamnus pilosa | | Native |
Rhamnus pirifolia | ISLAND REDBERRY | Native |
Rhamnus purshiana (Under Frangula purshiana) | | Synonym |
Rhamnus purshiana subsp. purshiana (Under Frangula purshiana subsp. purshiana) | | Synonym |
Rhamnus purshiana var. annonifolia (Under Frangula purshiana subsp. annonifolia) | | Synonym |
Rhamnus purshiana var. purshiana (Under Frangula purshiana subsp. purshiana) | | Synonym |
Rhamnus rubra (Under Frangula rubra) | | Synonym |
Rhamnus rubra subsp. modocensis (Under Frangula rubra subsp. modocensis) | | Synonym |
Rhamnus rubra subsp. obtusissima (Under Frangula rubra subsp. obtusissima) | | Synonym |
Rhamnus rubra subsp. rubra (Under Frangula rubra subsp. rubra) | | Synonym |
Rhamnus rubra subsp. yosemitana (Under Frangula rubra subsp. yosemitana) | | Synonym |
Rhamnus rubra var. modocensis (Under Frangula rubra subsp. modocensis) | | Synonym |
Rhamnus rubra var. obtusissima (Under Frangula rubra subsp. obtusissima) | | Synonym |
Rhamnus rubra var. yosemitana (Under Frangula rubra subsp. yosemitana) | | Synonym |
Rhamnus tomentella (Under Frangula californica subsp. tomentella) | | Synonym |
Rhamnus tomentella subsp. crassifolia (Under Frangula californica subsp. crassifolia) | | Synonym |
Rhamnus tomentella subsp. cuspidata (Under Frangula californica subsp. cuspidata) | | Synonym |
Rhamnus tomentella subsp. tomentella (Under Frangula californica subsp. tomentella) | | Synonym |
Rhamnus tomentella subsp. ursina (Under Frangula californica subsp. ursina) | | Synonym |
Rhamnus tomentella var. ursina (Under Frangula californica subsp. ursina) | | Synonym ined. |
Rhamnus ursina (Under Frangula californica subsp. ursina) | | Synonym |
Rhaponticum | | |
Rhaponticum repens | RUSSIAN KNAPWEED | Naturalized |
Rhinotropis ↳ Key to Rhinotropis | MILKWORT | |
Rhinotropis acanthoclada | THORNY MILKWORT | Native |
Rhinotropis californica | CALIFORNIA MILKWORT | Native |
Rhinotropis cornuta | | Native |
Rhinotropis cornuta var. cornuta | SIERRA MILKWORT | Native |
Rhinotropis cornuta var. fishiae | FISH'S MILKWORT | Native |
Rhinotropis heterorhyncha | NOTCH-BEAKED MILKWORT | Native |
Rhinotropis intermontana | INTERMOUNTAIN MILKWORT | Native |
Rhinotropis subspinosa | SPINY MILKWORT | Native |
Rhodiola | | |
Rhodiola integrifolia subsp. integrifolia | WESTERN ROSEROOT | Native |
Rhododendron ↳ Key to Rhododendron | | |
Rhododendron columbianum | WESTERN LABRADOR TEA | Native |
Rhododendron macrophyllum | CALIFORNIA RHODODENDRON | Native |
Rhododendron occidentale | CALIFORNIA AZALEA | Native |
Rhus ↳ Key to Rhus | | |
Rhus aromatica | SKUNK BUSH | Native |
Rhus aromatica subsp. trilobata (Under Rhus aromatica) | | Synonym |
Rhus aromatica var. simplicifolia (Under Rhus aromatica) | | Synonym |
Rhus aromatica var. trilobata (Under Rhus aromatica) | | Synonym |
Rhus diversiloba (Under Toxicodendron diversilobum) | | Synonym |
Rhus integrifolia | LEMONADE BERRY | Native |
Rhus lancea (Under Searsia lancea) | | Synonym |
Rhus laurina (Under Malosma laurina) | | Synonym |
Rhus ovata | SUGAR BUSH, SUGAR SUMAC | Native |
Rhus trilobata (Under Rhus aromatica) | | Synonym |
Rhus trilobata var. anisophylla (Under Rhus aromatica) | | Synonym |
Rhus trilobata var. malacophylla (Under Rhus aromatica) | | Synonym |
Rhus trilobata var. quinata (Under Rhus aromatica) | | Synonym |
Rhus trilobata var. simplicifolia (Under Rhus aromatica) | | Synonym |
Rhus trilobata var. trilobata (Under Rhus aromatica) | | Synonym |
Rhynchelytrum repens (Under Melinis repens subsp. repens) | | Synonym |
Rhynchelytrum roseum (Under Melinis repens subsp. repens) | | Synonym |
Rhynchospora ↳ Key to Rhynchospora | BEAKED-RUSH | |
Rhynchospora alba | WHITE BEAKED-RUSH | Native |
Rhynchospora californica | CALIFORNIA BEAKED-RUSH | Native |
Rhynchospora capitellata | BROWNISH BEAKED-RUSH | Native |
Rhynchospora globularis | | Native |
Rhynchospora globularis var. recognita (Under Rhynchospora globularis) | | Synonym |
Rhynchospora glomerata var. capitellata (Under Rhynchospora capitellata) | | Synonym |
Rhynchospora glomerata var. minor (Under Rhynchospora capitellata) | | Synonym |
Rhynchospora recognita (Under Rhynchospora globularis) | | Synonym |
Rhytidea bicolor (Under Dichelostemma ida-maia) | | Synonym |
Ribes ↳ Key to Ribes | CURRANT, GOOSEBERRY | |
Ribes amarum | BITTER GOOSEBERRY | Native |
Ribes amarum var. hoffmannii (Under Ribes amarum) | | Synonym |
Ribes aureum | GOLDEN CURRANT | Native |
Ribes aureum var. aureum | | Native |
Ribes aureum var. gracillimum | | Native |
Ribes binominatum | TRAILING GOOSEBERRY | Native |
Ribes bracteosum | STINK CURRANT | Native |
Ribes californicum | HILLSIDE GOOSEBERRY | Native |
Ribes californicum var. californicum | | Native |
Ribes californicum var. hesperium | | Native |
Ribes canthariforme | MORENO CURRANT | Native |
Ribes cereum | WAX CURRANT | Native |
Ribes cereum var. cereum | | Native |
Ribes cereum var. inebrians | | Native |
Ribes cruentum (Under Ribes roezlii var. cruentum) | | Synonym |
Ribes divaricatum | | Native |
Ribes divaricatum var. inerme (Under Ribes inerme var. inerme) | | Synonym |
Ribes divaricatum var. klamathense (Under Ribes inerme var. klamathense) | | Synonym |
Ribes divaricatum var. parishii | PARISH'S GOOSEBERRY | Native |
Ribes divaricatum var. pubiflorum | STRAGGLE BUSH | Native |
Ribes glanduliferum (Under Ribes velutinum) | | Synonym |
Ribes glutinosum (Under Ribes sanguineum var. glutinosum) | | Synonym |
Ribes hallii (Under Ribes viscosissimum) | | Synonym |
Ribes hudsonianum var. petiolare | WESTERN BLACK CURRANT | Native |
Ribes indecorum | WHITE-FLOWERING CURRANT | Native |
Ribes inebrians (Under Ribes cereum var. inebrians) | | Synonym |
Ribes inerme | WHITE-STEMMED GOOSEBERRY | Native |
Ribes inerme var. inerme | | Native |
Ribes inerme var. klamathense | | Native |
Ribes lacustre | SWAMP CURRANT | Native |
Ribes lasianthum | WOOLLY-FLOWERED GOOSEBERRY | Native |
Ribes laxiflorum | TRAILING BLACK CURRANT | Native |
Ribes leptanthum var. lasianthum (Under Ribes lasianthum) | | Synonym |
Ribes leptanthum var. quercetorum (Under Ribes quercetorum) | | Synonym |
Ribes lobbii | GUMMY GOOSEBERRY | Native |
Ribes malvaceum | CHAPARRAL CURRANT | Native |
Ribes malvaceum var. clementinum (Under Ribes malvaceum var. malvaceum) | | Synonym |
Ribes malvaceum var. malvaceum | | Native |
Ribes malvaceum var. viridifolium | | Native |
Ribes marshallii | MARSHALL'S GOOSEBERRY | Native |
Ribes menziesii | CANYON GOOSEBERRY | Native |
Ribes menziesii var. faustum (Under Ribes menziesii var. menziesii) | | Synonym |
Ribes menziesii var. hystriculum (Under Ribes menziesii var. menziesii) | | Synonym |
Ribes menziesii var. hystrix (Under Ribes menziesii var. menziesii) | | Synonym |
Ribes menziesii var. ixoderme | AROMATIC CANYON GOOSEBERRY | Native |
Ribes menziesii var. leptosmum (Under Ribes menziesii var. menziesii) | | Synonym |
Ribes menziesii var. menziesii | | Native |
Ribes menziesii var. minus (Under Ribes victoris) | | Synonym |
Ribes menziesii var. retineatum (Under Ribes menziesii var. menziesii) | | Synonym |
Ribes menziesii var. senile (Under Ribes menziesii var. menziesii) | | Synonym |
Ribes menziesii var. thacherianum (Under Ribes thacherianum) | | Synonym |
Ribes montigenum | WESTERN PRICKLY GOOSEBERRY | Native |
Ribes nevadense | MOUNTAIN PINK CURRANT | Native |
Ribes nevadense var. glaucescens (Under Ribes nevadense) | | Synonym |
Ribes nevadense var. jaegeri (Under Ribes nevadense) | | Synonym |
Ribes petiolare (Under Ribes hudsonianum var. petiolare) | | Synonym |
Ribes quercetorum | OAKWOODS GOOSEBERRY | Native |
Ribes roezlii | SIERRAN GOOSEBERRY | Native |
Ribes roezlii var. amictum | HOARY GOOSEBERRY | Native |
Ribes roezlii var. cruentum | | Native |
Ribes roezlii var. roezlii | | Native |
Ribes sanguineum | RED-FLOWERING CURRANT | Native |
Ribes sanguineum var. deductum (Under Ribes sanguineum var. glutinosum) | | Synonym |
Ribes sanguineum var. glutinosum | | Native |
Ribes sanguineum var. melanocarpum (Under Ribes sanguineum var. glutinosum) | | Synonym |
Ribes sanguineum var. sanguineum | | Native |
Ribes sericeum | SANTA LUCIA GOOSEBERRY | Native |
Ribes speciosum | FUCHSIA-FLOWERED GOOSEBERRY | Native |
Ribes thacherianum | SANTA CRUZ ISLAND GOOSEBERRY | Native |
Ribes tularense | SEQUOIA GOOSEBERRY | Native |
Ribes velutinum | | Native |
Ribes velutinum var. glanduliferum (Under Ribes velutinum) | | Synonym |
Ribes velutinum var. gooddingii (Under Ribes velutinum) | | Synonym |
Ribes viburnifolium | SANTA CATALINA ISLAND CURRANT | Native |
Ribes victoris | VICTOR'S GOOSEBERRY | Native |
Ribes victoris var. minus (Under Ribes victoris) | | Synonym |
Ribes viscosissimum | STICKY CURRANT | Native |
Ribes viscosissimum var. hallii (Under Ribes viscosissimum) | | Synonym |
Ricinus | CASTOR BEAN | |
Ricinus communis | | Naturalized |
Rigiopappus | | |
Rigiopappus leptocladus | | Native |
Robinia ↳ Key to Robinia | LOCUST | |
Robinia neomexicana | NEW MEXICO LOCUST | Native |
Robinia pseudoacacia | BLACK LOCUST | Naturalized |
Romanzoffia ↳ Key to Romanzoffia | | |
Romanzoffia californica | CALIFORNIA MISTMAIDEN | Native |
Romanzoffia glauca (Under Romanzoffia sitchensis) | | Synonym |
Romanzoffia leibergii (Under Romanzoffia sitchensis) | | Synonym |
Romanzoffia macounii (Under Romanzoffia sitchensis) | | Synonym |
Romanzoffia mendocina (Under Romanzoffia californica) | | Synonym |
Romanzoffia minima (Under Romanzoffia sitchensis) | | Synonym |
Romanzoffia rubella (Under Romanzoffia sitchensis) | | Synonym |
Romanzoffia sitchensis | SITKA MISTMAID | Native |
Romanzoffia spergulina (Under Romanzoffia californica) | | Synonym |
Romanzoffia suksdorfii (Under Romanzoffia sitchensis) | | Synonym |
Romanzoffia tracyi | TRACY'S MISTMAIDEN | Native |
Romneya ↳ Key to Romneya | MATILIJA POPPY | |
Romneya coulteri | COULTER'S MATILIJA POPPY | Native |
Romneya trichocalyx | HAIRY MATILIJA POPPY | Native |
Romulea | | |
Romulea longifolia (Under Romulea rosea var. australis) | | Synonym |
Romulea rosea var. australis | | Naturalized |
Rorippa ↳ Key to Rorippa | YELLOW CRESS | |
Rorippa austriaca | AUSTRIAN FIELD-CRESS | Naturalized |
Rorippa calycina var. columbiae (Under Rorippa columbiae) | | Synonym |
Rorippa columbiae | COLUMBIA YELLOW CRESS | Native |
Rorippa curvipes | | Native |
Rorippa curvipes var. curvipes (Under Rorippa curvipes) | | Synonym |
Rorippa curvipes var. truncata (Under Rorippa curvipes) | | Synonym |
Rorippa curvisiliqua | | Native |
Rorippa curvisiliqua var. curvisiliqua (Under Rorippa curvisiliqua) | | Synonym |
Rorippa curvisiliqua var. occidentalis (Under Rorippa curvisiliqua) | | Synonym |
Rorippa curvisiliqua var. orientalis (Under Rorippa curvisiliqua) | | Synonym |
Rorippa curvisiliqua var. procumbens (Under Rorippa curvisiliqua) | | Synonym |
Rorippa gambelii (Under Nasturtium gambelii) | | Synonym |
Rorippa nasturtium-aquaticum (Under Nasturtium officinale) | | Synonym |
Rorippa palustris | | Native |
Rorippa palustris subsp. fernaldiana (Under Rorippa palustris subsp. palustris) | | Synonym |
Rorippa palustris subsp. hispida | | Native |
Rorippa palustris subsp. occidentalis (Under Rorippa palustris subsp. palustris) | | Synonym |
Rorippa palustris subsp. palustris | | Native |
Rorippa palustris var. fernaldiana (Under Rorippa palustris subsp. palustris) | | Synonym |
Rorippa palustris var. hispida (Under Rorippa palustris subsp. hispida) | | Synonym |
Rorippa palustris var. occidentalis (Under Rorippa palustris subsp. palustris) | | Synonym |
Rorippa sinuata | | Native |
Rorippa sphaerocarpa | | Native |
Rorippa subumbellata | TAHOE YELLOW CRESS | Native |
Rorippa tenerrima | | Native |
Rosa ↳ Key to Rosa | | |
Rosa bridgesii | SIERRAN DWARF ROSE | Native |
Rosa californica | CALIFORNIA ROSE | Native |
Rosa canina | DOG ROSE | Naturalized |
Rosa crenulata (Under Rosa bridgesii) | | Synonym |
Rosa eglanteria (Under Rosa rubiginosa) | | Synonym |
Rosa gymnocarpa | WOOD ROSE | Native |
Rosa gymnocarpa var. gymnocarpa | | Native |
Rosa gymnocarpa var. pubescens (Under Rosa bridgesii) | | Synonym |
Rosa gymnocarpa var. serpentina | GASQUET ROSE | Native |
Rosa minutifolia | SMALL-LEAVED ROSE | Native |
Rosa mohavensis (Under Rosa woodsii var. glabrata) | | Synonym |
Rosa multiflora | MULTIFLORA ROSA | Naturalized |
Rosa nutkana | | Native |
Rosa nutkana subsp. macdougalii | | Native |
Rosa nutkana subsp. nutkana | NOOTKA ROSE | Native |
Rosa nutkana var. muriculata (Under Rosa nutkana subsp. nutkana) | | Synonym |
Rosa nutkana var. nutkana (Under Rosa nutkana subsp. nutkana) | | Synonym |
Rosa nutkana var. setosa (Under Rosa nutkana subsp. nutkana) | | Synonym |
Rosa pinetorum | PINE ROSE | Native |
Rosa pisocarpa | CLUSTER ROSE | Native |
Rosa pisocarpa subsp. ahartii | AHART ROSE | Native |
Rosa pisocarpa subsp. pisocarpa | CLUSTER or PEA ROSE | Native |
Rosa rubiginosa | SWEET-BRIER | Naturalized |
Rosa spithamea | COAST GROUND ROSE | Native |
Rosa spithamea var. sonomensis (Under Rosa spithamea) | | Synonym |
Rosa woodsii | | Native |
Rosa woodsii subsp. gratissima | MOJAVE ROSE | Native |
Rosa woodsii subsp. ultramontana | INTERIOR ROSE | Native |
Rosa woodsii var. glabrata | | Native |
Rosa woodsii var. gratissima | | Native |
Rosa woodsii var. ultramontana (Under Rosa woodsii subsp. ultramontana) | | Synonym |
Rosa yainacensis (Under Rosa bridgesii) | | Synonym |
Rosaceae ↳ Key to Rosaceae | ROSE FAMILY | |
Rostraria cristata (Under Koeleria gerardi) | | Synonym |
Rotala ↳ Key to Rotala | | |
Rotala catholica (Under Rotala ramosior) | | Synonym |
Rotala dentifera (Under Rotala ramosior) | | Synonym |
Rotala indica | | Naturalized |
Rotala ramosior | | Native |
Rottboellia cylindrica (Under Hainardia cylindrica) | | Synonym |
Rubacer parviflorum (Under Rubus parviflorus) | | Synonym |
Rubiaceae ↳ Key to Rubiaceae | MADDER FAMILY | |
Rubus ↳ Key to Rubus | | |
Rubus almus (Under Rubus pensilvanicus) | | Synonym |
Rubus armeniacus | HIMALAYAN BLACKBERRY | Naturalized |
Rubus bernardinus (Under Rubus leucodermis) | | Synonym |
Rubus discolor (Under Rubus armeniacus) | | Misapplied name |
Rubus eastwoodianus (Under Rubus ursinus) | | Synonym |
Rubus franciscanus (Under Rubus spectabilis) | | Synonym |
Rubus ganderi (Under Rubus glaucifolius) | | Synonym |
Rubus glaucifolius | WAXLEAF RASPBERRY | Native |
Rubus glaucifolius var. ganderi (Under Rubus glaucifolius) | | Synonym |
Rubus inermis (Under Rubus ulmifolius var. anoplothyrsus) | | Synonym |
Rubus inermis (Under Rubus ulmifolius var. anoplothyrsus) | | Illegitimate name |
Rubus laciniatus | CUTLEAF BLACKBERRY | Naturalized |
Rubus lasiococcus | ROUGHFRUIT RASPBERRY | Native |
Rubus lemurum (Under Rubus ursinus) | | Synonym |
Rubus leucodermis | WHITEBARK RASPBERRY | Native |
Rubus leucodermis var. bernardinus (Under Rubus leucodermis) | | Synonym |
Rubus leucodermis var. glaucifolius (Under Rubus glaucifolius) | | Synonym |
Rubus leucodermis var. leucodermis (Under Rubus leucodermis) | | Synonym |
Rubus leucodermis var. trinitatis (Under Rubus leucodermis) | | Synonym |
Rubus macropetalus (Under Rubus ursinus) | | Synonym |
Rubus nivalis | SNOW DWARF BRAMBLE | Native |
Rubus nutkanus (Under Rubus parviflorus) | | Synonym |
Rubus nutkanus var. bifarius (Under Rubus parviflorus) | | Synonym |
Rubus nutkanus var. nuttallii (Under Rubus parviflorus) | | Synonym |
Rubus nutkanus var. parviflorus (Under Rubus parviflorus) | | Synonym |
Rubus nutkanus var. scopulorum (Under Rubus parviflorus) | | Synonym |
Rubus parviflorus | THIMBLEBERRY | Native |
Rubus parviflorus var. bifarius (Under Rubus parviflorus) | | Synonym |
Rubus parviflorus var. hypomalacus (Under Rubus parviflorus) | | Synonym |
Rubus parviflorus var. velutinus (Under Rubus parviflorus) | | Synonym |
Rubus pensilvanicus | | Naturalized |
Rubus sirbenus (Under Rubus ursinus) | | Synonym |
Rubus spectabilis | SALMONBERRY | Native |
Rubus spectabilis var. franciscanus (Under Rubus spectabilis) | | Synonym |
Rubus spectabilis var. menziesii (Under Rubus spectabilis) | | Synonym |
Rubus stenopetalus (Under Rubus spectabilis) | | Synonym |
Rubus titanus (Under Rubus ursinus) | | Synonym |
Rubus trinitatis (Under Rubus leucodermis) | | Synonym |
Rubus ulmifolius | ELMLEAF BLACKBERRY | Naturalized |
Rubus ulmifolius var. anoplothyrsus | | Naturalized |
Rubus ulmifolius var. inermis (Under Rubus ulmifolius var. anoplothyrsus) | | Synonym |
Rubus ulmifolius var. ulmifolius | | Naturalized |
Rubus ursinus | CALIFORNIA BLACKBERRY | Native |
Rubus ursinus subsp. macropetalus (Under Rubus ursinus) | | Synonym |
Rubus ursinus var. eastwoodianus (Under Rubus ursinus) | | Synonym |
Rubus ursinus var. macropetalus (Under Rubus ursinus) | | Synonym |
Rubus ursinus var. medusae (Under Rubus ursinus) | | Synonym |
Rubus ursinus var. pentaphyllus (Under Rubus ursinus) | | Synonym |
Rubus ursinus var. sirbenus (Under Rubus ursinus) | | Synonym |
Rubus ursinus var. vitifolius (Under Rubus ursinus) | | Synonym |
Rubus velutinus (Under Rubus parviflorus) | | Synonym |
Rubus vitifolius (Under Rubus ursinus) | | Synonym |
Rubus vitifolius subsp. ursinus (Under Rubus ursinus) | | Synonym |
Rubus vitifolius var. eastwoodianus (Under Rubus ursinus) | | Synonym |
Rubus vitifolius var. titanus (Under Rubus ursinus) | | Synonym |
Rudbeckia ↳ Key to Rudbeckia | CONE-FLOWER | |
Rudbeckia californica | CALIFORNIA CONE-FLOWER | Native |
Rudbeckia californica var. glauca (Under Rudbeckia glaucescens) | | Synonym |
Rudbeckia californica var. intermedia (Under Rudbeckia klamathensis) | | Synonym |
Rudbeckia glaucescens | WAXY CONE-FLOWER | Native |
Rudbeckia hirta var. pulcherrima | BLACK-EYED SUSAN | Naturalized |
Rudbeckia klamathensis | KLAMATH CONE-FLOWER | Native |
Rudbeckia occidentalis | WESTERN CONE-FLOWER | Native |
Rumex ↳ Key to Rumex | DOCK | |
Rumex acetosella | SHEEP SORREL | Naturalized |
Rumex angiocarpus (Under Rumex acetosella) | | Synonym |
Rumex britannica | | Native |
Rumex californicus | | Native |
Rumex conglomeratus | | Naturalized |
Rumex crassus | | Native |
Rumex crispus | CURLY DOCK | Naturalized |
Rumex dentatus | | Naturalized |
Rumex dentatus subsp. klotzschianus (Under Rumex dentatus) | | Synonym |
Rumex fenestratus (Under Rumex occidentalis) | | Synonym |
Rumex fueginus | GOLDEN DOCK | Native |
Rumex hymenosepalus | CANAIGRE, WILD-RHUBARB | Native |
Rumex kerneri | | Naturalized |
Rumex lacustris | | Native |
Rumex maritimus (Under Rumex fueginus) | | Misapplied name |
Rumex obtusifolius | BITTER DOCK | Naturalized |
Rumex obtusifolius subsp. agrestis (Under Rumex obtusifolius) | | Synonym |
Rumex occidentalis | WESTERN DOCK | Native |
Rumex orbiculatus (Under Rumex britannica) | | Synonym |
Rumex orbiculatus var. orbiculatus (Under Rumex britannica) | | Synonym |
Rumex palustris | | Historical waif |
Rumex paucifolius | | Native |
Rumex paucifolius var. gracilescens (Under Rumex paucifolius) | | Synonym |
Rumex persicarioides | | Native |
Rumex pulcher | FIDDLE DOCK | Naturalized |
Rumex salicifolius | WILLOW DOCK | Native |
Rumex salicifolius var. crassus (Under Rumex crassus) | | Synonym |
Rumex salicifolius var. denticulatus (Under Rumex californicus) | | Synonym |
Rumex salicifolius var. lacustris (Under Rumex lacustris) | | Synonym |
Rumex salicifolius var. salicifolius (Under Rumex salicifolius) | | Synonym |
Rumex salicifolius var. transitorius (Under Rumex transitorius) | | Synonym |
Rumex salicifolius var. triangulivalvis (Under Rumex triangulivalvis) | | Synonym |
Rumex stenophyllus | | Naturalized |
Rumex transitorius | | Native |
Rumex triangulivalvis | | Native |
Rumex utahensis | | Native |
Rumex venosus | WINGED DOCK | Native |
Rumex violascens | | Native |
Rupalleya volubilis (Under Dichelostemma volubile) | | Synonym |
Rupertia ↳ Key to Rupertia | RUPERT'S SCURF-PEA | |
Rupertia hallii | HALL'S RUPERTIA | Native |
Rupertia physodes | | Native |
Rupertia rigida | PARISH'S RUPERTIA | Native |
Ruppia ↳ Key to Ruppia | DITCH-GRASS | |
Ruppia cirrhosa | | Native |
Ruppia maritima | | Native |
Ruppia occidentalis (Under Ruppia cirrhosa) | | Synonym |
Ruppia spiralis (Under Ruppia cirrhosa) | | Synonym |
Ruppia spiralis (Under Ruppia cirrhosa) | | Synonym ined. |
Ruppiaceae | DITCH-GRASS FAMILY | |
Ruscaceae ↳ Key to Ruscaceae | BUTCHER'S-BROOM FAMILY | |
Ruta | RUE | |
Ruta chalepensis | | Naturalized |
Rutaceae ↳ Key to Rutaceae | RUE FAMILY | |
Rytidosperma ↳ Key to Rytidosperma | | |
Rytidosperma caespitosa (Under Rytidosperma caespitosum) | | Orthographic variant |
Rytidosperma caespitosum | | Naturalized |
Rytidosperma penicillatum | HAIRY OAT GRASS, POVERTY GRASS | Naturalized |
Rytidosperma racemosum | | Naturalized |
Sabulina ↳ Key to Sabulina | SANDWORT | |
Sabulina californica | CALIFORNIA SANDWORT | Native |
Sabulina cismontana | CISMONTANE MINUARTIA | Native |
Sabulina decumbens | THE LASSICS SANDWORT | Native |
Sabulina douglasii | DOUGLAS' STITCHWORT | Native |
Sabulina howellii | HOWELL'S SANDWORT | Native |
Sabulina nuttallii | NUTTALL'S SANDWORT | Native |
Sabulina nuttallii var. fragilis | | Native |
Sabulina nuttallii var. gracilis | | Native |
Sabulina nuttallii var. gregaria | | Native |
Sabulina pusilla | ANNUAL SANDWORT | Native |
Sabulina rosei | PEANUT SANDWORT | Native |
Sabulina rubella | REDDISH SANDWORT | Native |
Sabulina stolonifera | SCOTT MOUNTAIN SANDWORT | Native |
Sabulina stricta | BOG SANDWORT | Native |
Saccharum | | |
Saccharum ravennae | RAVENNA GRASS | Naturalized |
Sagina ↳ Key to Sagina | PEARLWORT | |
Sagina apetala | DWARF PEARLWORT | Naturalized |
Sagina apetala var. barbata (Under Sagina apetala) | | Synonym |
Sagina crassicaulis (Under Sagina maxima subsp. crassicaulis) | | Synonym |
Sagina decumbens subsp. occidentalis | WESTERN PEARLWORT | Native |
Sagina maxima subsp. crassicaulis | THICK-STEMMED PEARLWORT | Native |
Sagina occidentalis (Under Sagina decumbens subsp. occidentalis) | | Synonym |
Sagina procumbens | MATTED PEARLWORT | Naturalized |
Sagina saginoides | ARCTIC PEARLWORT | Native |
Sagina saginoides var. hesperia (Under Sagina saginoides) | | Synonym |
Sagina subulata | SCOTTISH MOSS | Waif |
Sagittaria ↳ Key to Sagittaria | ARROWHEAD | |
Sagittaria cuneata | | Native |
Sagittaria latifolia | | Native |
Sagittaria longiloba | | Native |
Sagittaria montevidensis subsp. calycina | | Native |
Sagittaria rigida | SESSILE-FRUITED ARROWHEAD | Naturalized |
Sagittaria sanfordii | SANFORD'S ARROWHEAD | Native |
Sairocarpus breweri (Under Antirrhinum vexillocalyculatum subsp. breweri) | | Synonym |
Sairocarpus cornutus (Under Antirrhinum cornutum) | | Synonym |
Sairocarpus coulterianus (Under Antirrhinum coulterianum) | | Synonym |
Sairocarpus kingii (Under Antirrhinum kingii) | | Synonym |
Sairocarpus multiflorus (Under Antirrhinum thompsonii) | | Synonym |
Sairocarpus subcordatus (Under Antirrhinum subcordatum) | | Synonym |
Sairocarpus virga (Under Antirrhinum virga) | | Synonym |
Salazaria mexicana (Under Scutellaria mexicana) | | Synonym |
Salicaceae ↳ Key to Salicaceae | WILLOW FAMILY | |
Salicornia ↳ Key to Salicornia | PICKLEWEED | |
Salicornia bigelovii | | Native |
Salicornia depressa | | Native |
Salicornia europaea (Under Salicornia depressa) | | Misapplied name |
Salicornia pacifica | | Native |
Salicornia perennis | | Native |
Salicornia rubra | | Native |
Salicornia subterminalis (Under Arthrocnemum subterminale) | | Synonym |
Salicornia virginica (Under Salicornia pacifica) | | Misapplied name |
Salix ↳ Key to Salix | WILLOW | |
Salix alba | WHITE WILLOW | Naturalized |
Salix alba var. vitellina (Under Salix alba) | | Synonym |
Salix arctica (Under Salix petrophila) | | Misapplied name |
Salix arctica subsp. petraea (Under Salix petrophila) | | Synonym |
Salix babylonica | WEEPING WILLOW | Naturalized |
Salix bebbiana | BEBB'S WILLOW | Native |
Salix bonplandiana var. laevigata (Under Salix laevigata) | | Synonym |
Salix boothii | BOOTH'S WILLOW | Native |
Salix brachycarpa subsp. brachycarpa (Under Salix brachycarpa var. brachycarpa) | | Synonym |
Salix brachycarpa var. brachycarpa | SHORT-FRUITED WILLOW | Native |
Salix breweri | BREWER'S WILLOW | Native |
Salix caudata var. bryantiana (Under Salix lasiandra var. caudata) | | Synonym |
Salix cordata var. mackenzieana (Under Salix prolixa) | | Synonym |
Salix coulteri (Under Salix sitchensis) | | Synonym |
Salix delnortensis | DEL NORTE WILLOW | Native |
Salix drummondiana | DRUMMOND'S WILLOW | Native |
Salix eastwoodiae | SIERRA WILLOW | Native |
Salix eriocephala subsp. mackenzieana (Under Salix prolixa) | | Synonym |
Salix eriocephala var. ligulifolia (Under Salix ligulifolia) | | Synonym |
Salix eriocephala var. watsonii (Under Salix lutea) | | Synonym |
Salix exigua ↳ Key to Salix exigua | | Native |
Salix exigua subsp. melanopsis (Under Salix melanopsis) | | Synonym |
Salix exigua var. exigua | NARROW-LEAVED WILLOW, COYOTE WILLOW | Native |
Salix exigua var. hindsiana | HINDS' WILLOW | Native |
Salix exigua var. nevadensis (Under Salix exigua var. exigua) | | Synonym |
Salix exigua var. stenophylla (Under Salix exigua var. exigua) | | Synonym |
Salix geyeriana | GEYER'S WILLOW | Native |
Salix geyeriana var. argentea (Under Salix geyeriana) | | Synonym |
Salix gooddingii | GOODDING'S BLACK WILLOW | Native |
Salix gooddingii var. variabilis (Under Salix gooddingii) | | Synonym |
Salix hindsiana (Under Salix exigua var. hindsiana) | | Synonym |
Salix hindsiana var. leucodendroides (Under Salix exigua var. hindsiana) | | Synonym |
Salix hindsiana var. parishiana (Under Salix exigua var. hindsiana) | | Synonym |
Salix hookeriana | COASTAL WILLOW | Native |
Salix jepsonii | JEPSON'S WILLOW | Native |
Salix laevigata | RED WILLOW | Native |
Salix laevigata f. araquipa (Under Salix laevigata) | | Synonym |
Salix laevigata var. congesta (Under Salix laevigata) | | Synonym |
Salix lasiandra ↳ Key to Salix lasiandra | | Native |
Salix lasiandra var. abramsii (Under Salix lasiandra var. lasiandra) | | Synonym |
Salix lasiandra var. caudata | TAIL-LEAF WILLOW | Native |
Salix lasiandra var. lancifolia (Under Salix lasiandra var. lasiandra) | | Synonym |
Salix lasiandra var. lasiandra | PACIFIC WILLOW | Native |
Salix lasiandra var. macrophylla (Under Salix lasiandra var. lasiandra) | | Synonym |
Salix lasiolepis | ARROYO WILLOW | Native |
Salix lasiolepis var. bigelovii (Under Salix lasiolepis) | | Synonym |
Salix lasiolepis var. bracelinae (Under Salix lasiolepis) | | Synonym |
Salix lasiolepis var. lasiolepis (Under Salix lasiolepis) | | Synonym |
Salix lasiolepis var. sandbergii (Under Salix lasiolepis) | | Synonym |
Salix lemmonii | LEMMON'S WILLOW | Native |
Salix ligulifolia | STRAP-LEAFED WILLOW | Native |
Salix lucida subsp. caudata (Under Salix lasiandra var. caudata) | | Synonym |
Salix lucida subsp. lasiandra (Under Salix lasiandra var. lasiandra) | | Synonym |
Salix lutea | YELLOW WILLOW | Native |
Salix lutea var. nivaria (Under Salix lasiolepis) | | Synonym |
Salix lutea var. watsonii (Under Salix lutea) | | Synonym |
Salix mackenzieana (Under Salix prolixa) | | Synonym |
Salix macrostachya var. leucodendroides (Under Salix exigua var. hindsiana) | | Synonym |
Salix melanopsis | DUSKY WILLOW | Native |
Salix melanopsis var. bolanderiana (Under Salix melanopsis) | | Synonym |
Salix melanopsis var. gracilipes (Under Salix melanopsis) | | Synonym |
Salix nivalis | SNOW WILLOW | Native |
Salix orestera | GRAY-LEAFED SIERRA WILLOW | Native |
Salix parksiana (Under Salix melanopsis) | | Synonym |
Salix petrophila | ROCKY MOUNTAIN WILLOW | Native |
Salix phylicifolia var. monica (Under Salix planifolia) | | Synonym |
Salix piperi (Under Salix hookeriana) | | Synonym |
Salix planifolia | TEA-LEAFED WILLOW | Native |
Salix planifolia subsp. planifolia (Under Salix planifolia) | | Synonym |
Salix prolixa | MACKENZIE'S WILLOW | Native |
Salix pseudocordata (Under Salix boothii) | | Unabridged misapplied name |
Salix pseudocordata (Under Salix boothii) | | Unabridged misapplied name, in part |
Salix purpurea | BASKET WILLOW | Naturalized |
Salix reticulata subsp. nivalis (Under Salix nivalis) | | Synonym |
Salix scouleriana | SCOULER'S WILLOW | Native |
Salix scouleriana var. coetanea (Under Salix scouleriana) | | Synonym |
Salix sitchensis | SITKA WILLOW | Native |
Salix sitchensis var. angustifolia (Under Salix jepsonii) | | Synonym |
Salix sitchensis var. ralphiana (Under Salix jepsonii) | | Synonym |
Salix tracyi | TRACY'S WILLOW | Native |
Salpichroa | | |
Salpichroa origanifolia | | Naturalized |
Salpichroa rhomboidea (Under Salpichroa origanifolia) | | Synonym |
Salsola ↳ Key to Salsola | | |
Salsola atriplicifolia (Under Cycloloma atriplicifolium) | | Synonym |
Salsola australis | | Naturalized |
Salsola damascena | | Naturalized |
Salsola gobicola | | Naturalized |
Salsola iberica (Under Salsola tragus) | | Synonym |
Salsola kali subsp. pontica (Under Salsola australis) | | Misapplied name |
Salsola kali var. tenuifolia (Under Salsola australis) | | Unabridged misapplied name |
Salsola kali var. tenuifolia (Under Salsola tragus) | | Synonym |
Salsola paulsenii | BARBWIRE RUSSIAN THISTLE | Naturalized |
Salsola paulsenii (Under Salsola gobicola) | | Synonym, in part |
Salsola pestifer (Under Salsola tragus) | | Synonym |
Salsola ryanii | | Naturalized |
Salsola soda | | Naturalized |
Salsola tragus | RUSSIAN THISTLE, TUMBLEWEED | Naturalized |
Salsola tragus (Under Salsola australis) | | Synonym, in part |
Salsola tragus (Under Salsola gobicola) | | Synonym, in part |
Salsola vermiculata (Under Salsola damascena) | | Synonym, in part |
Saltugilia ↳ Key to Saltugilia | | |
Saltugilia australis | | Native |
Saltugilia caruifolia | CARAWAY-LEAVED WOODLAND-GILIA | Native |
Saltugilia grinnellii (Under Saltugilia splendens) | | Illegitimate name |
Saltugilia latimeri | LATIMER'S WOODLAND-GILIA | Native |
Saltugilia splendens | SPLENDID WOODLAND-GILIA | Native |
Saltugilia splendens subsp. grantii | | Native |
Saltugilia splendens subsp. splendens | | Native |
Salvia ↳ Key to Salvia | | |
Salvia aethiopis | MEDITERRANEAN SAGE | Naturalized |
Salvia apiana | WHITE SAGE | Native |
Salvia brandegeei | BRANDEGEE'S SAGE | Native |
Salvia brandegei (Under Salvia brandegeei) | | Orthographic variant |
Salvia carduacea | THISTLE SAGE | Native |
Salvia carnosa subsp. gilmanii (Under Salvia dorrii var. dorrii) | | Synonym |
Salvia clevelandii | | Native |
Salvia columbariae | CHIA | Native |
Salvia columbariae var. ziegleri (Under Salvia columbariae) | | Synonym |
Salvia dorrii | | Native |
Salvia dorrii subsp. argentea (Under Salvia dorrii var. dorrii) | | Synonym |
Salvia dorrii subsp. carnosa (Under Salvia dorrii var. incana) | | Synonym |
Salvia dorrii subsp. gilmanii (Under Salvia dorrii var. dorrii) | | Synonym |
Salvia dorrii var. carnosa (Under Salvia dorrii var. incana) | | Synonym |
Salvia dorrii var. dorrii | | Native |
Salvia dorrii var. incana | FLESHY SAGE | Native |
Salvia dorrii var. pilosa | | Native |
Salvia eremostachya | DESERT SAGE | Native |
Salvia funerea | DEATH VALLEY SAGE | Native |
Salvia funerea var. fornacis (Under Salvia funerea) | | Synonym |
Salvia greatae | OROCOPIA SAGE | Native |
Salvia leucophylla | PURPLE SAGE | Native |
Salvia mellifera | BLACK SAGE | Native |
Salvia mohavensis | | Native |
Salvia munzii | MUNZ'S SAGE | Native |
Salvia pachyphylla | | Native |
Salvia sonomensis | | Native |
Salvia spathacea | CALIFORNIA HUMMINGBIRD SAGE | Native |
Salvia vaseyi | | Native |
Salvia virgata | MEADOW SAGE | Naturalized |
Salvinia ↳ Key to Salvinia | | |
Salvinia minima | | Naturalized |
Salvinia molesta | | Naturalized |
Salvinia oblongifolia | | Waif |
Salviniaceae | FLOATING-FERN or WATER-SPANGLE FAMILY | |
Sambucus ↳ Key to Sambucus | ELDERBERRY | |
Sambucus caerulea (Under Sambucus mexicana) | | Synonym |
Sambucus melanocarpa (Under Sambucus racemosa var. melanocarpa) | | Synonym |
Sambucus mexicana | BLUE ELDERBERRY | Native |
Sambucus microbotrys (Under Sambucus racemosa var. racemosa) | | Synonym |
Sambucus nigra subsp. caerulea (Under Sambucus mexicana) | | Synonym |
Sambucus racemosa | | Native |
Sambucus racemosa var. melanocarpa | BLACK ELDERBERRY | Native |
Sambucus racemosa var. microbotrys (Under Sambucus racemosa var. racemosa) | | Synonym |
Sambucus racemosa var. racemosa | RED ELDERBERRY | Native |
Samolus | | |
Samolus floribundus (Under Samolus parviflorus) | | Synonym |
Samolus parviflorus | SEASIDE BROOKWEED | Native |
Samolus valerandi subsp. parviflorus (Under Samolus parviflorus) | | Synonym |
Sanguisorba | | |
Sanguisorba annua (Under Poteridium annuum) | | Synonym |
Sanguisorba minor (Under Poterium sanguisorba) | | Synonym |
Sanguisorba minor subsp. muricata (Under Poterium sanguisorba) | | Synonym |
Sanguisorba muricata (Under Sanguisorba officinalis) | | Synonym |
Sanguisorba occidentalis (Under Poteridium annuum) | | Synonym |
Sanguisorba officinalis | GREAT BURNET | Native |
Sanicula ↳ Key to Sanicula | | |
Sanicula arctopoides | FOOTSTEPS OF SPRING, YELLOW MATS | Native |
Sanicula arguta | | Native |
Sanicula bipinnata | POISON SANICLE | Native |
Sanicula bipinnatifida | PURPLE SANICLE, SHOE BUTTONS | Native |
Sanicula crassicaulis | | Native |
Sanicula graveolens | | Native |
Sanicula hoffmannii | HOFFMANN'S SANICLE | Native |
Sanicula laciniata | | Native |
Sanicula maritima | ADOBE SANICLE | Native |
Sanicula peckiana | PECK'S SANICLE | Native |
Sanicula saxatilis | ROCK SANICLE | Native |
Sanicula simulans (Under Sanicula arguta) | | Synonym |
Sanicula tracyi | TRACY'S SANICLE | Native |
Sanicula tuberosa | | Native |
Santolina | | |
Santolina chamaecyparissus | LAVENDER-COTTON | Waif |
Santolina suaveolens (Under Matricaria discoidea) | | Synonym |
Sanvitalia | | |
Sanvitalia abertii | ABERT'S SANVITALIA | Native |
Sapindaceae ↳ Key to Sapindaceae | SOAPBERRY FAMILY | |
Sapium sebiferum (Under Triadica sebifera) | | Synonym |
Saponaria | SOAPWORT | |
Saponaria hispanica (Under Gypsophila vaccaria) | | Synonym |
Saponaria officinalis | | Naturalized |
Saponaria vaccaria (Under Gypsophila vaccaria) | | Synonym |
Sarcobataceae | SARCOBATUS or GREASEWOOD FAMILY | |
Sarcobatus ↳ Key to Sarcobatus | GREASEWOOD | |
Sarcobatus baileyi | | Native |
Sarcobatus maximilianii (Under Sarcobatus vermiculatus) | | Synonym |
Sarcobatus vermiculatus | | Native |
Sarcobatus vermiculatus var. baileyi (Under Sarcobatus baileyi) | | Synonym |
Sarcocornia pacifica (Under Salicornia pacifica) | | Synonym |
Sarcocornia perennis (Under Salicornia perennis) | | Synonym |
Sarcodes | SNOW PLANT | |
Sarcodes sanguinea | | Native |
Sarcostemma crispum (Under Funastrum crispum) | | Synonym |
Sarcostemma cynanchoides subsp. hartwegii (Under Funastrum cynanchoides var. hartwegii) | | Synonym |
Sarcostemma hirtellum (Under Funastrum hirtellum) | | Synonym |
Sarracenia | PITCHER-PLANT | |
Sarracenia purpurea | | Naturalized |
Sarraceniaceae ↳ Key to Sarraceniaceae | PITCHER-PLANT FAMILY | |
Satureja chandleri (Under Clinopodium chandleri) | | Synonym |
Satureja douglasii (Under Clinopodium douglasii) | | Synonym |
Satureja mimuloides (Under Clinopodium mimuloides) | | Synonym |
Saururaceae | LIZARD'S-TAIL FAMILY | |
Saussurea | | |
Saussurea americana | AMERICAN SAW-WORT | Native |
Savastana hirta (Under Anthoxanthum nitens subsp. nitens) | | Synonym |
Saviniona assurgentiflora (Under Malva assurgentiflora) | | Synonym |
Saviniona clementina (Under Malva assurgentiflora) | | Synonym |
Saviniona reticulata (Under Malva assurgentiflora) | | Synonym |
Saxifraga ↳ Key to Saxifraga | SAXIFRAGE | |
Saxifraga aprica (Under Micranthes aprica) | | Synonym |
Saxifraga bryophora (Under Micranthes bryophora) | | Synonym |
Saxifraga bryophora var. bryophora (Under Micranthes bryophora) | | Synonym |
Saxifraga californica (Under Micranthes californica) | | Synonym |
Saxifraga cespitosa | TUFTED SAXIFRAGE | Native |
Saxifraga cespitosa var. emarginata (Under Saxifraga cespitosa) | | Synonym |
Saxifraga ferruginea (Under Micranthes ferruginea) | | Synonym |
Saxifraga ferruginea var. ferruginea (Under Micranthes ferruginea) | | Synonym |
Saxifraga fragarioides (Under Saxifragopsis fragarioides) | | Synonym |
Saxifraga howellii (Under Micranthes howellii) | | Synonym |
Saxifraga hyperborea | | Native |
Saxifraga integrifolia (Under Micranthes integrifolia) | | Synonym |
Saxifraga marshallii (Under Micranthes marshallii) | | Synonym |
Saxifraga mertensiana | | Native |
Saxifraga nidifica var. claytoniifolia (Under Micranthes fragosa) | | Synonym |
Saxifraga nidifica var. nidifica (Under Micranthes nidifica) | | Synonym |
Saxifraga nuttallii (Under Cascadia nuttallii) | | Synonym |
Saxifraga odontoloma (Under Micranthes odontoloma) | | Synonym |
Saxifraga oregana (Under Micranthes oregana) | | Synonym |
Saxifraga peltata (Under Darmera peltata) | | Synonym |
Saxifraga rivularis (Under Saxifraga hyperborea) | | Misapplied name |
Saxifraga tolmiei (Under Micranthes tolmiei) | | Synonym |
Saxifragaceae ↳ Key to Saxifragaceae | SAXIFRAGE FAMILY | |
Saxifragopsis | | |
Saxifragopsis fragarioides | | Native |
Scabiosa ↳ Key to Scabiosa | PINCUSHION FLOWER | |
Scabiosa atropurpurea | | Naturalized |
Scabiosa stellata | | Waif |
Scandix | | |
Scandix pecten-veneris | VENUS' NEEDLE | Naturalized |
Sceptridium | GRAPE-FERN | |
Sceptridium multifidum | LEATHER GRAPE-FERN | Native |
Schedonorus arundinaceus (Under Festuca arundinacea) | | Synonym |
Schedonorus phoenix (Under Festuca arundinacea) | | Synonym |
Schedonorus pratensis (Under Festuca pratensis) | | Synonym |
Scheuchzeria | | |
Scheuchzeria palustris | SCHEUCHZERIA | Native |
Scheuchzeria palustris subsp. americana (Under Scheuchzeria palustris) | | Synonym |
Scheuchzeria palustris var. americana (Under Scheuchzeria palustris) | | Synonym |
Scheuchzeriaceae | SCHEUCHZERIA FAMILY | |
Schinus ↳ Key to Schinus | | |
Schinus molle | PEPPER TREE | Naturalized |
Schinus polygama | CHILEAN PEPPER TREE | Naturalized |
Schinus polygamus (Under Schinus polygama) | | Orthographic variant |
Schinus terebinthifolia | BRAZILIAN PEPPER TREE | Naturalized |
Schinus terebinthifolius var. raddianus (Under Schinus terebinthifolia) | | Orthographic variant |
Schismus ↳ Key to Schismus | MEDITERRANEAN GRASS | |
Schismus arabicus | | Naturalized |
Schismus barbatus | | Naturalized |
Schizococcus myrtifolius (Under Arctostaphylos myrtifolia) | | Synonym |
Schizococcus nissenanus (Under Arctostaphylos nissenana) | | Synonym |
Schizotechium jamesianum (Under Torreyostellaria jamesiana) | | Synonym |
Schkuhria multiflora (Under Picradeniopsis multiflora) | | Synonym |
Schkuhria multiflora var. multiflora (Under Picradeniopsis multiflora) | | Synonym |
Schmaltzia trilobata (Under Rhus aromatica) | | Synonym |
Schoenolirion album (Under Hastingsia alba) | | Synonym |
Schoenoplectus ↳ Key to Schoenoplectus | NAKED-STEMMED BULRUSHES | |
Schoenoplectus acutus var. occidentalis | COMMON TULE | Native |
Schoenoplectus americanus | OLNEY'S THREE-SQUARE BULRUSH | Native |
Schoenoplectus californicus | SOUTHERN BULRUSH | Native |
Schoenoplectus fluviatilis (Under Bolboschoenus fluviatilis) | | Synonym |
Schoenoplectus glaucus (Under Bolboschoenus glaucus) | | Synonym |
Schoenoplectus heterochaetus | SLENDER BULRUSH | Native |
Schoenoplectus mucronatus | ROUGH-SEED BULRUSH, RICE-FIELD BULRUSH | Naturalized |
Schoenoplectus pungens var. badius (Under Schoenoplectus pungens var. longispicatus) | | Synonym |
Schoenoplectus pungens var. longispicatus | COMMON THREE-SQUARE BULRUSH | Native |
Schoenoplectus robustus (Under Bolboschoenus robustus) | | Synonym |
Schoenoplectus saximontanus | ROCKY MOUNTAIN BULRUSH | Native |
Schoenoplectus subterminalis | WATER BULRUSH | Native |
Schoenoplectus tabernaemontani | SOFT-STEM BULRUSH | Native |
Schoenoplectus triqueter | THREE-SIDED BULRUSH | Historical waif |
Schoenus | | |
Schoenus nigricans | BLACK BOG-RUSH | Native |
Scirpus ↳ Key to Scirpus | BULRUSH | |
Scirpus acutus var. occidentalis (Under Schoenoplectus acutus var. occidentalis) | | Synonym |
Scirpus albomarginatus (Under Eleocharis quadrangulata) | | Synonym |
Scirpus alpinus (Under Trichophorum pumilum) | | Synonym |
Scirpus americanus (Under Schoenoplectus americanus) | | Synonym |
Scirpus americanus subsp. monophyllus (Under Schoenoplectus pungens var. longispicatus) | | Synonym, in part |
Scirpus americanus var. longispicatus (Under Schoenoplectus pungens var. longispicatus) | | Synonym |
Scirpus atropurpureus (Under Eleocharis atropurpurea) | | Synonym |
Scirpus autumnalis (Under Fimbristylis autumnalis) | | Synonym |
Scirpus bernardinus (Under Eleocharis bernardina) | | Synonym |
Scirpus californicus (Under Schoenoplectus californicus) | | Synonym |
Scirpus campestris (Under Bolboschoenus maritimus subsp. paludosus) | | Illegitimate name |
Scirpus capillaris (Under Bulbostylis capillaris) | | Synonym |
Scirpus carinatus (Under Isolepis carinata) | | Illegitimate name |
Scirpus cernuus (Under Isolepis cernua) | | Synonym |
Scirpus cernuus subsp. californicus (Under Isolepis cernua) | | Synonym |
Scirpus cernuus var. californicus (Under Isolepis cernua) | | Synonym |
Scirpus clementis (Under Trichophorum clementis) | | Synonym |
Scirpus coloradoensis (Under Eleocharis coloradoensis) | | Synonym |
Scirpus congdonii | | Native |
Scirpus cyperinus | | Naturalized |
Scirpus diffusus | | Native |
Scirpus emergens (Under Trichophorum pumilum) | | Synonym |
Scirpus fluviatilis (Under Bolboschoenus fluviatilis) | | Synonym |
Scirpus geniculatus (Under Eleocharis geniculata) | | Synonym |
Scirpus glaucus (Under Bolboschoenus glaucus) | | Synonym |
Scirpus heterochaetus (Under Schoenoplectus heterochaetus) | | Synonym |
Scirpus koilolepis (Under Isolepis carinata) | | Synonym |
Scirpus lacustris var. tenuiculmis (Under Schoenoplectus heterochaetus) | | Synonym |
Scirpus marginatus (Under Eleocharis quadrangulata) | | Illegitimate name |
Scirpus maritimus (Under Bolboschoenus maritimus subsp. paludosus) | | Synonym, in part |
Scirpus maritimus var. fluviatilis (Under Bolboschoenus fluviatilis) | | Synonym |
Scirpus maritimus var. paludosus (Under Bolboschoenus maritimus subsp. paludosus) | | Synonym |
Scirpus microcarpus | | Native |
Scirpus microcarpus var. rubrotinctus (Under Scirpus microcarpus) | | Synonym |
Scirpus mucronatus (Under Schoenoplectus mucronatus) | | Synonym |
Scirpus nanus (Under Eleocharis parvula) | | Synonym |
Scirpus nevadensis (Under Amphiscirpus nevadensis) | | Synonym |
Scirpus obtusus (Under Eleocharis obtusa) | | Synonym |
Scirpus olneyi (Under Schoenoplectus americanus) | | Synonym |
Scirpus ovatus (Under Eleocharis ovata) | | Synonym |
Scirpus pacificus (Under Bolboschoenus maritimus subsp. paludosus) | | Synonym |
Scirpus paludosus (Under Bolboschoenus maritimus subsp. paludosus) | | Synonym |
Scirpus palustris (Under Eleocharis palustris) | | Synonym |
Scirpus parvulus (Under Eleocharis parvula) | | Synonym |
Scirpus pauciflorus (Under Eleocharis quinqueflora) | | Synonym |
Scirpus pendulus | PENDULOUS BULRUSH | Native |
Scirpus pumilus (Under Trichophorum pumilum) | | Synonym |
Scirpus pumilus subsp. rollandii (Under Trichophorum pumilum) | | Synonym |
Scirpus pumilus var. rollandii (Under Trichophorum pumilum) | | Synonym |
Scirpus pungens (Under Schoenoplectus pungens var. longispicatus) | | Synonym, in part |
Scirpus quadrangulatus (Under Eleocharis quadrangulata) | | Synonym |
Scirpus quinqueflorus (Under Eleocharis quinqueflora) | | Synonym |
Scirpus radicans (Under Eleocharis radicans) | | Synonym |
Scirpus robustus (Under Bolboschoenus robustus) | | Synonym |
Scirpus rollandii (Under Trichophorum pumilum) | | Synonym |
Scirpus rostellatus (Under Eleocharis rostellata) | | Synonym |
Scirpus rubrotinctus (Under Scirpus microcarpus) | | Synonym |
Scirpus saximontanus (Under Schoenoplectus saximontanus) | | Synonym |
Scirpus setaceus (Under Isolepis setacea) | | Synonym |
Scirpus subterminalis (Under Schoenoplectus subterminalis) | | Synonym |
Scirpus tabernaemontani (Under Schoenoplectus tabernaemontani) | | Synonym |
Scirpus tenuis (Under Eleocharis tenuis var. tenuis) | | Synonym |
Scirpus triqueter (Under Schoenoplectus triqueter) | | Synonym |
Scirpus tuberosus (Under Bolboschoenus glaucus) | | Misapplied name |
Scirpus vahlii (Under Fimbristylis vahlii) | | Synonym |
Scirpus yosemitanus (Under Trichophorum clementis) | | Synonym |
Scleranthus | | |
Scleranthus annuus subsp. annuus | KNAWEL | Naturalized |
Sclerocactus ↳ Key to Sclerocactus | PINEAPPLE CACTUS | |
Sclerocactus johnsonii | JOHNSON'S BEE-HIVE CACTUS | Native |
Sclerocactus polyancistrus | MOJAVE FISHHOOK CACTUS | Native |
Sclerochloa | | |
Sclerochloa dura | HARDGRASS, FAIRGROUND GRASS | Naturalized |
Sclerolinon | | |
Sclerolinon digynum | | Native |
Scleropoa rigida (Under Desmazeria rigida) | | Synonym |
Scleropogon | | |
Scleropogon brevifolius | BURRO GRASS | Native |
Scoliopus | | |
Scoliopus bigelovii | | Native |
Scolymus | GOLDENTHISTLE | |
Scolymus hispanicus | | Naturalized |
Scopulophila | | |
Scopulophila rixfordii | RIXFORD ROCKWORT | Native |
Scorzonera | | |
Scorzonera hispanica | SPANISH SALSIFY, VIPER'S GRASS | Naturalized |
Scribneria | SCRIBNER GRASS | |
Scribneria bolanderi | | Native |
Scrophularia ↳ Key to Scrophularia | FIGWORT | |
Scrophularia atrata | BLACK-FLOWERED FIGWORT | Native |
Scrophularia californica | CALIFORNIA FIGWORT | Native |
Scrophularia californica subsp. californica (Under Scrophularia californica) | | Synonym |
Scrophularia californica subsp. floribunda (Under Scrophularia californica) | | Synonym |
Scrophularia californica var. floribunda (Under Scrophularia californica) | | Synonym |
Scrophularia desertorum | | Native |
Scrophularia lanceolata | | Native |
Scrophularia peregrina | | Naturalized |
Scrophularia villosa | SANTA CATALINA FIGWORT | Native |
Scrophulariaceae ↳ Key to Scrophulariaceae | FIGWORT FAMILY | |
Scutellaria ↳ Key to Scutellaria | SKULLCAP | |
Scutellaria angustifolia var. canescens (Under Scutellaria siphocampyloides) | | Synonym |
Scutellaria antirrhinoides | | Native |
Scutellaria austiniae (Under Scutellaria siphocampyloides) | | Synonym |
Scutellaria bolanderi | | Native |
Scutellaria bolanderi subsp. austromontana | SOUTHERN MOUNTAINS SKULLCAP | Native |
Scutellaria bolanderi subsp. bolanderi | | Native |
Scutellaria californica | | Native |
Scutellaria galericulata | MARSH SKULLCAP | Native |
Scutellaria holmgreniorum (Under Scutellaria nana) | | Synonym |
Scutellaria lateriflora | SIDE-FLOWERING SKULLCAP | Native |
Scutellaria linearifolia (Under Scutellaria siphocampyloides) | | Synonym |
Scutellaria mexicana | BLADDER-SAGE | Native |
Scutellaria nana | | Native |
Scutellaria pilosiuscula (Under Scutellaria tuberosa) | | Synonym |
Scutellaria sanhedrinsis (Under Scutellaria antirrhinoides) | | Synonym |
Scutellaria siphocampyloides | | Native |
Scutellaria tuberosa | | Native |
Scutellaria tuberosa subsp. similis (Under Scutellaria tuberosa) | | Synonym |
Scutellaria viarum (Under Scutellaria antirrhinoides) | | Synonym |
Searsia | | |
Searsia lancea | AFRICAN SUMAC | Naturalized |
Secale | RYE | |
Secale cereale | | Naturalized |
Securigera varia (Under Coronilla varia) | | Synonym |
Sedella ↳ Key to Sedella | | |
Sedella congdonii (Under Sedella pumila) | | Synonym |
Sedella leiocarpa | LAKE COUNTY STONECROP | Native |
Sedella pentandra | | Native |
Sedella pumila | | Native |
Sedum ↳ Key to Sedum | STONECROP | |
Sedum albomarginatum | FEATHER RIVER STONECROP | Native |
Sedum album | WHITE STONECROP | Naturalized |
Sedum anomalum (Under Sedum spathulifolium) | | Synonym |
Sedum burnhamii (Under Sedum obtusatum) | | Synonym |
Sedum californicum (Under Sedum spathulifolium) | | Synonym |
Sedum citrinum | BLUE CREEK STONECROP | Native |
Sedum congdonii (Under Sedella pumila) | | Synonym |
Sedum dendroideum subsp. praealtum (Under Sedum praealtum) | | Synonym |
Sedum divergens | CASCADE STONECROP | Native |
Sedum douglasii (Under Sedum stenopetalum) | | Synonym |
Sedum douglasii subsp. radiatum (Under Sedum radiatum) | | Synonym |
Sedum eastwoodiae | RED MOUNTAIN STONECROP | Native |
Sedum flavidum | PALE-YELLOW STONECROP | Native |
Sedum hallii (Under Sedum obtusatum) | | Synonym |
Sedum heckneri (Under Sedum laxum subsp. heckneri) | | Synonym |
Sedum kiersteadiae | MOUNT EDDY STONECROP | Native |
Sedum lanceolatum | SPEARLEAF STONECROP | Native |
Sedum lanceolatum subsp. lanceolatum (Under Sedum lanceolatum) | | Synonym |
Sedum lanceolatum subsp. subalpinum (Under Sedum lanceolatum) | | Synonym |
Sedum lanceolatum var. lanceolatum (Under Sedum lanceolatum) | | Synonym |
Sedum lanceolatum var. nesioticum (Under Sedum lanceolatum) | | Synonym |
Sedum lanceolatum var. subalpinum (Under Sedum lanceolatum) | | Illegitimate name |
Sedum laxum | | Native |
Sedum laxum subsp. eastwoodiae (Under Sedum eastwoodiae) | | Synonym |
Sedum laxum subsp. flavidum (Under Sedum flavidum) | | Synonym |
Sedum laxum subsp. heckneri | HECKNER'S STONECROP | Native |
Sedum laxum subsp. latifolium (Under Sedum laxum subsp. laxum) | | Synonym |
Sedum laxum subsp. laxum | ROSEFLOWER STONECROP | Native |
Sedum laxum subsp. perplexum (Under Sedum laxum subsp. laxum) | | Synonym |
Sedum laxum subsp. retusum (Under Sedum sanhedrinum) | | Synonym |
Sedum laxum var. eastwoodiae (Under Sedum eastwoodiae) | | Synonym |
Sedum laxum var. flavidum (Under Sedum flavidum) | | Synonym |
Sedum laxum var. heckneri (Under Sedum laxum subsp. heckneri) | | Synonym |
Sedum laxum var. latifolium (Under Sedum laxum subsp. laxum) | | Synonym |
Sedum laxum var. laxum (Under Sedum laxum subsp. laxum) | | Synonym |
Sedum marmorense | MARBLE MOUNTAINS STONECROP | Native |
Sedum niveum | SNOWY or DAVIDSON'S STONECROP | Native |
Sedum oblanceolatum | APPLEGATE STONECROP | Native |
Sedum obtusatum | SIERRA STONECROP | Native |
Sedum obtusatum subsp. boreale (Under Sedum kiersteadiae) | | Synonym |
Sedum obtusatum subsp. obtusatum (Under Sedum obtusatum) | | Synonym |
Sedum obtusatum subsp. paradisum (Under Sedum paradisum) | | Synonym |
Sedum obtusatum subsp. retusum (Under Sedum flavidum) | | Misapplied name |
Sedum obtusatum subsp. retusum (Under Sedum sanhedrinum) | | Synonym |
Sedum obtusatum var. boreale (Under Sedum kiersteadiae) | | Synonym |
Sedum obtusatum var. hallii (Under Sedum obtusatum) | | Synonym |
Sedum obtusatum var. paradisum (Under Sedum paradisum) | | Synonym |
Sedum obtusatum var. retusum (Under Sedum sanhedrinum) | | Synonym |
Sedum oregonense | CREAM STONECROP | Native |
Sedum paradisum | PARADISE STONECROP | Native |
Sedum paradisum subsp. paradisum | CANYON CREEK OR PARADISE STONECROP | Native |
Sedum paradisum subsp. subroseum | PLUMAS STONECROP | Native |
Sedum patens | SMITH RIVER STONECROP | Native |
Sedum praealtum | GREEN COCKSCOMB, GREATER MEXICAN STONECROP | Naturalized |
Sedum purdyi (Under Sedum spathulifolium) | | Synonym |
Sedum radiatum | COAST RANGE STONECROP | Native |
Sedum radiatum subsp. ciliosum (Under Sedum stenopetalum subsp. ciliosum) | | Synonym |
Sedum radiatum subsp. depauperatum | DEPAUPERATE or ASHLAND STONECROP | Native |
Sedum radiatum subsp. radiatum | STAR-FRUITED, COAST RANGE STONECROP | Native |
Sedum radiatum var. ciliosum (Under Sedum stenopetalum subsp. ciliosum) | | Synonym |
Sedum radiatum var. depauperatum (Under Sedum radiatum subsp. depauperatum) | | Synonym |
Sedum radiatum var. radiatum (Under Sedum radiatum subsp. radiatum) | | Synonym |
Sedum rosea subsp. integrifolium (Under Rhodiola integrifolia subsp. integrifolia) | | Synonym |
Sedum roseum subsp. integrifolium (Under Rhodiola integrifolia subsp. integrifolia) | | Orthographic variant |
Sedum rubiginosum | TEDOC STONECROP | Native |
Sedum rubroglaucum (Under Sedum obtusatum) | | Synonym |
Sedum sanhedrinum | SANHEDRIN STONECROP | Native |
Sedum spathulifolium | BROADLEAF STONECROP | Native |
Sedum spathulifolium subsp. anomalum (Under Sedum spathulifolium) | | Synonym |
Sedum spathulifolium subsp. pruinosum (Under Sedum spathulifolium) | | Synonym |
Sedum spathulifolium subsp. purdyi (Under Sedum spathulifolium) | | Synonym |
Sedum spathulifolium subsp. spathulifolium (Under Sedum spathulifolium) | | Synonym |
Sedum spathulifolium subsp. yosemitense (Under Sedum spathulifolium) | | Synonym |
Sedum spathulifolium var. majus (Under Sedum spathulifolium) | | Synonym |
Sedum spathulifolium var. minus (Under Sedum spathulifolium) | | Synonym |
Sedum spathulifolium var. pruinosum (Under Sedum spathulifolium) | | Synonym |
Sedum spathulifolium var. spathulifolium (Under Sedum spathulifolium) | | Synonym |
Sedum stenopetalum | | Native |
Sedum stenopetalum subsp. ciliosum | PALE WORMLEAF STONECROP | Native |
Sedum stenopetalum subsp. monanthum (Under Sedum stenopetalum) | | Synonym |
Sedum stenopetalum subsp. radiatum (Under Sedum radiatum) | | Synonym |
Sedum stenopetalum subsp. stenopetalum | YELLOW WORMLEAF STONECROP | Native |
Sedum stenopetalum var. monanthum (Under Sedum stenopetalum) | | Synonym |
Sedum yosemitense (Under Sedum spathulifolium) | | Synonym |
Selaginella ↳ Key to Selaginella | SPIKE-MOSS | |
Selaginella asprella | BLUISH SPIKE-MOSS | Native |
Selaginella bigelovii | | Native |
Selaginella cinerascens | ASHY SPIKE-MOSS | Native |
Selaginella densa var. scopulorum (Under Selaginella scopulorum) | | Synonym |
Selaginella eremophila | DESERT SPIKE-MOSS | Native |
Selaginella hansenii | | Native |
Selaginella kraussiana | | Naturalized |
Selaginella leucobryoides | MOJAVE SPIKE-MOSS | Native |
Selaginella oregana | | Native |
Selaginella scopulorum | ROCKY MOUNTAIN SPIKE-MOSS | Native |
Selaginella wallacei | | Native |
Selaginella watsonii | | Native |
Selaginellaceae | SPIKE-MOSS FAMILY | |
Selinocarpus diffusus subsp. nevadensis (Under Acleisanthes nevadensis) | | Synonym |
Selinocarpus nevadensis (Under Acleisanthes nevadensis) | | Synonym |
Senecio ↳ Key to Senecio | RAGWORT, GROUNDSEL, BUTTERWEED | |
Senecio aphanactis | CHAPARRAL RAGWORT | Native |
Senecio aronicoides | RAYLESS RAGWORT | Native |
Senecio astephanus | SAN GABRIEL RAGWORT | Native |
Senecio bernardinus (Under Packera bernardina) | | Synonym |
Senecio blochmaniae | BLOCHMAN'S RAGWORT | Native |
Senecio bolanderi (Under Packera bolanderi var. bolanderi) | | Synonym |
Senecio bolanderi var. bolanderi (Under Packera bolanderi var. bolanderi) | | Synonym |
Senecio breweri (Under Packera breweri) | | Synonym |
Senecio californicus | CALIFORNIA RAGWORT | Native |
Senecio canus (Under Packera cana) | | Synonym |
Senecio clarkianus | CLARK'S RAGWORT | Native |
Senecio clevelandii (Under Packera clevelandii) | | Synonym |
Senecio covillei (Under Senecio scorzonella) | | Synonym |
Senecio cymbalarioides (Under Packera subnuda var. subnuda) | | Synonym |
Senecio douglasii (Under Senecio flaccidus var. douglasii) | | Synonym |
Senecio douglasii var. tularensis (Under Senecio flaccidus var. douglasii) | | Synonym |
Senecio elegans | RED-PURPLE RAGWORT | Naturalized |
Senecio eurycephalus var. eurycephalus (Under Packera eurycephala var. eurycephala) | | Synonym |
Senecio eurycephalus var. lewisrosei (Under Packera eurycephala var. lewisrosei) | | Synonym |
Senecio flaccidus | THREADLEAF RAGWORT | Native |
Senecio flaccidus var. douglasii | DOUGLAS' THREADLEAF RAGWORT | Native |
Senecio flaccidus var. monoensis | SMOOTH THREADLEAF RAGWORT | Native |
Senecio foetidus (Under Senecio hydrophiloides) | | Synonym |
Senecio foetidus var. hydrophiloides (Under Senecio hydrophiloides) | | Synonym |
Senecio fremontii | | Native |
Senecio fremontii var. fremontii | DWARF MOUNTAIN RAGWORT | Native |
Senecio fremontii var. occidentalis | WESTERN DWARF MOUNTAIN RAGWORT | Native |
Senecio ganderi (Under Packera ganderi) | | Synonym |
Senecio glomeratus | CUTLEAF BURNWEED | Naturalized |
Senecio greenei (Under Packera greenei) | | Synonym |
Senecio hesperius (Under Packera hesperia) | | Synonym |
Senecio hydrophiloides | SWEET MARSH RAGWORT | Native |
Senecio hydrophilus | WATER RAGWORT, ALKALI-MARSH RAGWORT | Native |
Senecio indecorus (Under Packera indecora) | | Synonym |
Senecio integerrimus | | Native |
Senecio integerrimus var. exaltatus | COLUMBIA RAGWORT | Native |
Senecio integerrimus var. major | LAMBS-TONGUE RAGWORT | Native |
Senecio integerrimus var. ochroleucus | PALE-YELLOW RAGWORT | Native |
Senecio ionophyllus (Under Packera ionophylla) | | Synonym |
Senecio jacobaea | TANSY RAGWORT | Naturalized |
Senecio layneae (Under Packera layneae) | | Synonym |
Senecio linearifolius var. linearifolius | LINEAR-LEAVED AUSTRALIAN FIREWEED | Naturalized |
Senecio lyonii | ISLAND SENECIO | Native |
Senecio macounii (Under Packera macounii) | | Synonym |
Senecio mikanioides (Under Delairea odorata) | | Synonym |
Senecio minimus | COASTAL BURNWEED | Naturalized |
Senecio mohavensis | MOJAVE RAGWORT | Native |
Senecio multilobatus (Under Packera multilobata) | | Synonym |
Senecio pattersonensis | MOUNT PATTERSON SENECIO | Native |
Senecio pauciflorus (Under Packera pauciflora) | | Synonym |
Senecio pseudaureus var. pseudaureus (Under Packera pseudaurea var. pseudaurea) | | Synonym |
Senecio quadridentatus | COTTON BURNWEED | Naturalized |
Senecio scorzonella | SIERRA RAGWORT | Native |
Senecio serra var. serra | TALL RAGWORT, SAWTOOTH GROUNDSEL | Native |
Senecio spartioides | BROOM-LIKE RAGWORT | Native |
Senecio spartioides var. multicapitatus (Under Senecio spartioides) | | Synonym |
Senecio streptanthifolius (Under Packera streptanthifolia var. streptanthifolia) | | Synonym |
Senecio sylvaticus | WOODLAND RAGWORT | Naturalized |
Senecio triangularis | ARROWLEAF RAGWORT | Native |
Senecio vulgaris | COMMON GROUNDSEL | Naturalized |
Senecio werneriifolius (Under Packera werneriifolia) | | Synonym |
Senegalia | | |
Senegalia greggii | CATCLAW, DEVIL'S CLAW | Native |
Senna ↳ Key to Senna | | |
Senna armata | SPINY SENNA | Native |
Senna artemisioides | SILVER SENNA | Naturalized |
Senna covesii | COUES' CASSIA | Native |
Senna didymobotrya | | Naturalized |
Senna eremophila (Under Senna artemisioides) | | Synonym ined. |
Senna marilandica | MARYLAND SENNA | Waif |
Senna multiglandulosa | | Naturalized |
Septimia multicava (Under Crassula multicava subsp. multicava) | | Synonym |
Sequoia | REDWOOD | |
Sequoia sempervirens | | Native |
Sequoiadendron | GIANT SEQUOIA | |
Sequoiadendron giganteum | | Native |
Sericocarpus | WHITE-TOPPED ASTER | |
Sericocarpus oregonensis ↳ Key to Sericocarpus oregonensis | | Native |
Sericocarpus oregonensis subsp. californicus | | Native |
Sericocarpus oregonensis subsp. oregonensis | | Native |
Sericocarpus oregonensis var. californicus (Under Sericocarpus oregonensis subsp. californicus) | | Synonym |
Sericocarpus oregonensis var. oregonensis (Under Sericocarpus oregonensis subsp. oregonensis) | | Synonym |
Sericocarpus tomentellus (Under Doellingeria tomentella) | | Synonym |
Sesbania ↳ Key to Sesbania | | |
Sesbania exaltata (Under Sesbania herbacea) | | Synonym |
Sesbania herbacea | BIGPOD SESBANIA, COFFEE WEED, COLORADO RIVER HEMP | Native |
Sesbania punicea | SCARLET SESBAN | Naturalized |
Sesbania tripetii (Under Sesbania punicea) | | Synonym |
Sesuvium | SEA-PURSLANE | |
Sesuvium portulacastrum (Under Trianthema portulacastrum) | | Synonym |
Sesuvium verrucosum | WESTERN SEA-PURSLANE | Native |
Setaria ↳ Key to Setaria | BRISTLE GRASS | |
Setaria adhaerens | BUR BRISTLE GRASS | Naturalized |
Setaria carnei (Under Setaria verticillata) | | Misapplied name |
Setaria faberi | CHINESE FOXTAIL | Naturalized |
Setaria geniculata (Under Setaria parviflora) | | Misapplied name |
Setaria glauca (Under Setaria pumila subsp. pumila) | | Synonym |
Setaria gracilis (Under Setaria parviflora) | | Synonym |
Setaria lutescens (Under Setaria pumila subsp. pumila) | | Synonym |
Setaria parviflora | KNOTROOT BRISTLE GRASS | Native |
Setaria pumila subsp. pumila | YELLOW BRISTLE GRASS | Naturalized |
Setaria sphacelata | AFRICAN BRISTLE GRASS | Naturalized |
Setaria verticillata | HOOKED BRISTLE GRASS | Naturalized |
Setaria viridis | GREEN BRISTLE GRASS | Naturalized |
Seubertia crocea (Under Triteleia crocea) | | Synonym |
Seubertia laxa (Under Triteleia laxa) | | Synonym |
Seubertia obscura (Under Triteleia laxa) | | Synonym |
Shepherdia ↳ Key to Shepherdia | | |
Shepherdia argentea | BUFFALO-BERRY | Native |
Shepherdia canadensis | CANADIAN BUFFALO-BERRY | Native |
Sherardia | | |
Sherardia arvensis | FIELD MADDER | Naturalized |
Sibara ↳ Key to Sibara | | |
Sibara deserti | DESERT WINGED ROCKCRESS | Native |
Sibara filifolia | SANTA CRUZ ISLAND ROCKCRESS | Native |
Sibara rosulata (Under Sibara deserti) | | Synonym |
Sibara virginica (Under Planodes virginica) | | Synonym |
Sibaropsis | | |
Sibaropsis hammittii | HAMMITT'S CLAY-CRESS | Native |
Sibbaldia | | |
Sibbaldia procumbens | | Native |
Sida ↳ Key to Sida | | |
Sida leprosa var. hederacea (Under Malvella leprosa) | | Synonym |
Sida rhombifolia | SIDA, RHOMBUS-LEAVED SIDA | Waif |
Sida spinosa | PRICKLY SIDA | Agricultural weed |
Sidalcea ↳ Key to Sidalcea | CHECKERBLOOM | |
Sidalcea asprella | | Native |
Sidalcea asprella subsp. asprella | HARSH CHECKERBLOOM, SIERRA FOOTHILLS CHECKERBLOOM | Native |
Sidalcea asprella subsp. nana | DWARF SIERRAN CHECKERBLOOM | Native |
Sidalcea calycosa | VERNAL POOL CHECKERBLOOM | Native |
Sidalcea calycosa subsp. calycosa | VERNAL POOL CHECKERBLOOM, HOGWALLOW CHECKERBLOOM | Native |
Sidalcea calycosa subsp. rhizomata | POINT REYES CHECKERBLOOM | Native |
Sidalcea celata | REDDING CHECKERBLOOM | Native |
Sidalcea covillei | OWENS VALLEY CHECKERBLOOM | Native |
Sidalcea delphiniifolia (Under Sidalcea malviflora subsp. malviflora) | | Synonym |
Sidalcea diploscypha | FRINGED CHECKERBLOOM | Native |
Sidalcea elegans | DEL NORTE CHECKERBLOOM | Native |
Sidalcea favosa (Under Sidalcea reptans) | | Synonym |
Sidalcea gigantea | GIANT CHECKERBLOOM | Native |
Sidalcea glaucescens | WAXY CHECKERBLOOM | Native |
Sidalcea hartwegii | HARTWEG'S CHECKERBLOOM | Native |
Sidalcea hickmanii | | Native |
Sidalcea hickmanii subsp. anomala | CUESTA PASS CHECKERBLOOM | Native |
Sidalcea hickmanii subsp. hickmanii | HICKMAN'S CHECKERBLOOM | Native |
Sidalcea hickmanii subsp. napensis | NAPA CHECKERBLOOM | Native |
Sidalcea hickmanii subsp. parishii | PARISH'S CHECKERBLOOM | Native |
Sidalcea hickmanii subsp. pillsburiensis | LAKE PILLSBURY CHECKERBLOOM | Native |
Sidalcea hickmanii subsp. viridis | MARIN CHECKERBLOOM | Native |
Sidalcea hickmanii var. parishii (Under Sidalcea hickmanii subsp. parishii) | | Synonym |
Sidalcea hirsuta | HAIRY CHECKERBLOOM | Native |
Sidalcea keckii | KECK'S CHECKERBLOOM | Native |
Sidalcea malachroides | MAPLE-LEAVED CHECKERBLOOM | Native |
Sidalcea malviflora | CHECKERBLOOM, CHECKERMALLOW | Native |
Sidalcea malviflora subsp. asprella (Under Sidalcea asprella subsp. asprella) | | Synonym |
Sidalcea malviflora subsp. californica | CHAPARRAL CHECKERBLOOM, CALIFORNIA CHECKERBLOOM | Native |
Sidalcea malviflora subsp. celata (Under Sidalcea celata) | | Synonym |
Sidalcea malviflora subsp. dolosa | BEAR VALLEY CHECKERBLOOM | Native |
Sidalcea malviflora subsp. elegans (Under Sidalcea elegans) | | Synonym |
Sidalcea malviflora subsp. laciniata | GERANIUM-LEAVED CHECKERBLOOM | Native |
Sidalcea malviflora subsp. malviflora | | Native |
Sidalcea malviflora subsp. nana (Under Sidalcea asprella subsp. nana) | | Synonym |
Sidalcea malviflora subsp. patula | SISKIYOU CHECKERBLOOM | Native |
Sidalcea malviflora subsp. purpurea | PURPLE-STEMMED CHECKERBLOOM | Native |
Sidalcea malviflora subsp. rostrata | SEACLIFF CHECKERBLOOM | Native |
Sidalcea malviflora subsp. sparsifolia (Under Sidalcea sparsifolia) | | Synonym |
Sidalcea malviflora var. celata (Under Sidalcea celata) | | Synonym |
Sidalcea malviflora var. hirsuta (Under Sidalcea sparsifolia) | | Synonym |
Sidalcea malviflora var. stellata (Under Sidalcea sparsifolia) | | Synonym |
Sidalcea malviflora var. uliginosa (Under Sidalcea sparsifolia) | | Synonym |
Sidalcea montana (Under Sidalcea glaucescens) | | Synonym |
Sidalcea multifida | CUT-LEAF CHECKERBLOOM | Native |
Sidalcea neomexicana | SALT SPRING CHECKERBLOOM | Native |
Sidalcea neomexicana subsp. thurberi (Under Sidalcea neomexicana) | | Synonym |
Sidalcea oregana | | Native |
Sidalcea oregana subsp. eximia | COAST CHECKERBLOOM | Native |
Sidalcea oregana subsp. hydrophila | MARSH CHECKERBLOOM | Native |
Sidalcea oregana subsp. oregana | OREGON CHECKERBLOOM | Native |
Sidalcea oregana subsp. spicata | | Native |
Sidalcea oregana subsp. valida | KENWOOD MARSH CHECKERBLOOM | Native |
Sidalcea pedata | BIRD-FOOT CHECKERBLOOM | Native |
Sidalcea ranunculacea | | Native |
Sidalcea reptans | | Native |
Sidalcea reptans var. nana (Under Sidalcea asprella subsp. nana) | | Synonym |
Sidalcea rhizomata (Under Sidalcea calycosa subsp. rhizomata) | | Synonym |
Sidalcea robusta | BUTTE COUNTY CHECKERBLOOM | Native |
Sidalcea rostrata (Under Sidalcea malviflora subsp. rostrata) | | Synonym |
Sidalcea setosa | BRISTLY CHECKERBLOOM | Native |
Sidalcea setosa (Under Sidalcea oregana subsp. spicata) | | Synonym, in part |
Sidalcea setosa var. setosa (Under Sidalcea oregana subsp. spicata) | | Synonym |
Sidalcea sparsifolia | SOUTHERN CHECKERBLOOM | Native |
Sidalcea stipularis | SCADDEN FLAT CHECKERBLOOM | Native |
Sidotheca ↳ Key to Sidotheca | STARRY PUNCTUREBRACT | |
Sidotheca caryophylloides | CHICKWEED OXYTHECA | Native |
Sidotheca emarginata | WHITE-MARGINED OXYTHECA | Native |
Sidotheca trilobata | THREE-LOBED STARRY PUNCTUREBRACT | Native |
Sieglingia decumbens (Under Danthonia decumbens) | | Synonym |
Silene ↳ Key to Silene | CATCHFLY, CAMPION | |
Silene antirrhina | SLEEPY CATCHFLY | Native |
Silene aperta | NAKED CATCHFLY, TULARE CAMPION | Native |
Silene armeria (Under Atocion armeria) | | Synonym |
Silene bernardina | PALMER'S CATCHFLY | Native |
Silene bernardina subsp. bernardina (Under Silene bernardina) | | Synonym |
Silene bernardina subsp. maguirei (Under Silene bernardina) | | Synonym |
Silene bernardina var. rigidula (Under Silene bernardina) | | Synonym |
Silene bernardina var. sierrae (Under Silene bernardina) | | Synonym |
Silene bolanderi | BOLANDER'S CATCHFLY | Native |
Silene bridgesii | BRIDGES' CATCHFLY | Native |
Silene californica (Under Silene laciniata subsp. californica) | | Synonym |
Silene campanulata (Under Silene greenei) | | Illegitimate name |
Silene campanulata subsp. campanulata (Under Silene greenei subsp. angustifolia) | | Illegitimate name |
Silene campanulata subsp. glandulosa (Under Silene greenei subsp. greenei) | | Synonym |
Silene campanulata subsp. greenei (Under Silene greenei subsp. greenei) | | Synonym |
Silene campanulata var. petrophila (Under Silene greenei subsp. greenei) | | Synonym |
Silene coniflora (Under Silene multinervia) | | Misapplied name |
Silene conoidea | LARGE SAND CATCHFLY | Naturalized |
Silene coronaria (Under Lychnis coronaria) | | Synonym |
Silene cucubalus (Under Silene vulgaris) | | Synonym |
Silene dichotoma subsp. dichotoma | FORKED CATCHFLY | Naturalized |
Silene douglasii var. douglasii | DOUGLAS' CATCHFLY | Native |
Silene douglasii var. monantha (Under Silene douglasii var. douglasii) | | Synonym |
Silene gallica | SMALL-FLOWER CATCHFLY, WINDMILL PINK | Naturalized |
Silene grandis (Under Silene scouleri subsp. scouleri) | | Synonym |
Silene grayi | GRAY'S CATCHFLY | Native |
Silene greenei | | Native |
Silene greenei subsp. angustifolia | RED MOUNTAIN CATCHFLY | Native |
Silene greenei subsp. greenei | BELL CATCHFLY | Native |
Silene hookeri | HOOKER'S CATCHFLY | Native |
Silene hookeri subsp. bolanderi (Under Silene bolanderi) | | Synonym |
Silene hookeri subsp. pulverulenta (Under Silene hookeri) | | Synonym |
Silene hookeri subsp. serpentinicola (Under Silene serpentinicola) | | Synonym |
Silene invisa | SHORT-PETALED CAMPION | Native |
Silene krantzii | KRANTZ'S CATCHFLY | Native |
Silene laciniata | | Native |
Silene laciniata subsp. brandegeei (Under Silene laciniata subsp. laciniata) | | Synonym |
Silene laciniata subsp. californica | CALIFORNIA PINK | Native |
Silene laciniata subsp. laciniata | MEXICAN PINK | Native |
Silene laciniata subsp. major (Under Silene laciniata subsp. laciniata) | | Synonym |
Silene laciniata var. angustifolia (Under Silene laciniata subsp. laciniata) | | Synonym |
Silene laciniata var. latifolia (Under Silene laciniata subsp. laciniata) | | Synonym |
Silene latifolia | WHITE CAMPION | Naturalized |
Silene latifolia subsp. alba (Under Silene latifolia) | | Synonym |
Silene lemmonii | LEMMON'S CATCHFLY | Native |
Silene marmorensis | MARBLE MOUNTAIN CAMPION | Native |
Silene menziesii | MENZIES' CATCHFLY | Native |
Silene montana subsp. bernardina (Under Silene bernardina) | | Illegitimate name |
Silene montana subsp. montana (Under Silene bernardina) | | Illegitimate name |
Silene montana var. rigidula (Under Silene bernardina) | | Illegitimate name |
Silene montana var. sierrae (Under Silene bernardina) | | Illegitimate name |
Silene multinervia | MULTINERVED CATCHFLY | Native |
Silene nelsonii | NELSON'S STRINGFLOWER | Native |
Silene noctiflora | NIGHT-FLOWERING CATCHFLY | Naturalized |
Silene nuda | STICKY CATCHFLY | Native |
Silene nuda subsp. insectivora (Under Silene nuda) | | Synonym |
Silene occidentalis | WESTERN CAMPION | Native |
Silene occidentalis subsp. longistipitata (Under Silene occidentalis) | | Synonym |
Silene occidentalis subsp. occidentalis (Under Silene occidentalis) | | Synonym |
Silene oregana | OREGON CAMPION | Native |
Silene parishii | PARISH'S CATCHFLY | Native |
Silene parishii var. latifolia (Under Silene parishii) | | Synonym |
Silene parishii var. viscida (Under Silene parishii) | | Synonym |
Silene pseudatocion | | Waif |
Silene salmonacea | KLAMATH MOUNTAIN CATCHFLY, SALMON-FLOWERED CATCHFLY | Native |
Silene sargentii | SARGENT'S CATCHFLY | Native |
Silene scouleri subsp. grandis (Under Silene scouleri subsp. scouleri) | | Synonym |
Silene scouleri subsp. scouleri | SCOULER'S CATCHFLY | Native |
Silene scouleri var. pacifica (Under Silene scouleri subsp. scouleri) | | Synonym |
Silene scouleri var. scouleri (Under Silene scouleri subsp. scouleri) | | Synonym |
Silene serpentinicola | SERPENTINE CATCHFLY | Native |
Silene suksdorfii | CASCADE ALPINE CAMPION, SUKSDORF'S CATCHFLY | Native |
Silene verecunda | SAN FRANCISCO CAMPION | Native |
Silene verecunda subsp. andersonii (Under Silene verecunda) | | Synonym |
Silene verecunda subsp. platyota (Under Silene verecunda) | | Synonym |
Silene verecunda subsp. verecunda (Under Silene verecunda) | | Synonym |
Silene verecunda var. eglandulosa (Under Silene verecunda) | | Synonym |
Silene verecunda var. platyota (Under Silene verecunda) | | Synonym |
Silene verecunda var. verecunda (Under Silene verecunda) | | Synonym |
Silene vulgaris | BLADDER CAMPION | Naturalized |
Silybum | MILK THISTLE | |
Silybum marianum | | Naturalized |
Simaroubaceae ↳ Key to Simaroubaceae | QUASSIA or SIMAROUBA FAMILY | |
Simmondsia | GOAT-NUT, JOJOBA | |
Simmondsia californica (Under Simmondsia chinensis) | | Synonym |
Simmondsia chinensis | | Native |
Simmondsiaceae | JOJOBA FAMILY | |
Simpsonanthus | | |
Simpsonanthus jonesii | SIMPSON'S POPCORNFLOWER, MOJAVE POPCORNFLOWER | Native |
Sinapis ↳ Key to Sinapis | | |
Sinapis alba | WHITE MUSTARD | Naturalized |
Sinapis arvensis | CHARLOCK | Naturalized |
Sisymbrium ↳ Key to Sisymbrium | | |
Sisymbrium altissimum | TUMBLE MUSTARD | Naturalized |
Sisymbrium erysimoides | | Naturalized |
Sisymbrium irio | LONDON ROCKET | Naturalized |
Sisymbrium loeselii | | Naturalized |
Sisymbrium officinale | HEDGE MUSTARD | Naturalized |
Sisymbrium orientale | | Naturalized |
Sisyrinchium ↳ Key to Sisyrinchium | | |
Sisyrinchium bellum | WESTERN BLUE-EYED-GRASS | Native |
Sisyrinchium boreale (Under Sisyrinchium californicum) | | Synonym |
Sisyrinchium brachypus (Under Sisyrinchium californicum) | | Synonym |
Sisyrinchium californicum | GOLDEN-EYED-GRASS | Native |
Sisyrinchium douglasii var. douglasii (Under Olsynium douglasii var. douglasii) | | Synonym |
Sisyrinchium eastwoodiae (Under Sisyrinchium bellum) | | Synonym |
Sisyrinchium elmeri | ELMER'S BLUE-EYED-GRASS | Native |
Sisyrinchium flavidum (Under Sisyrinchium californicum) | | Synonym |
Sisyrinchium funereum | DEATH VALLEY BLUE-EYED-GRASS | Native |
Sisyrinchium grandiflorum (Under Olsynium douglasii var. douglasii) | | Illegitimate name |
Sisyrinchium greenei (Under Sisyrinchium bellum) | | Synonym |
Sisyrinchium halophilum | NEVADA BLUE-EYED-GRASS | Native |
Sisyrinchium hesperium (Under Sisyrinchium bellum) | | Synonym |
Sisyrinchium hitchcockii | HITCHCOCK'S BLUE-EYED-GRASS | Native |
Sisyrinchium idahoense | IDAHO BLUE-EYED-GRASS | Native |
Sisyrinchium idahoense var. idahoense | | Native |
Sisyrinchium idahoense var. occidentale | | Native |
Sisyrinchium leptocaulon (Under Sisyrinchium halophilum) | | Synonym |
Sisyrinchium lineatum (Under Sisyrinchium californicum) | | Synonym |
Sisyrinchium longipes | TIMBERLAND BLUE-EYED-GRASS | Native |
Sisyrinchium maritimum (Under Sisyrinchium bellum) | | Synonym |
Sisyrinchium occidentale (Under Sisyrinchium idahoense var. occidentale) | | Synonym |
Sisyrinchium oreophilum (Under Sisyrinchium idahoense var. idahoense) | | Synonym |
Sisyrinchium oreophilum var. occidentale (Under Sisyrinchium idahoense var. occidentale) | | Synonym |
Sitanion hystrix (Under Elymus elymoides) | | Synonym |
Sitanion hystrix var. californicum (Under Elymus elymoides var. californicus) | | Synonym |
Sitanion hystrix var. hystrix (Under Elymus elymoides var. elymoides) | | Synonym, in part |
Sitanion jubatum (Under Elymus multisetus) | | Synonym |
Sitanion longifolium (Under Elymus elymoides var. brevifolius) | | Synonym |
Sium | | |
Sium suave | | Native |
Smelowskia | | |
Smelowskia ovalis | | Native |
Smelowskia ovalis var. congesta (Under Smelowskia ovalis) | | Synonym |
Smilacaceae | SMILAX FAMILY | |
Smilacina racemosa (Under Maianthemum racemosum) | | Synonym |
Smilacina racemosa var. amplexicaulis (Under Maianthemum racemosum) | | Synonym |
Smilacina racemosa var. glabra (Under Maianthemum racemosum) | | Synonym |
Smilacina stellata (Under Maianthemum stellatum) | | Synonym |
Smilacina stellata var. sessilifolia (Under Maianthemum stellatum) | | Synonym |
Smilax ↳ Key to Smilax | GREENBRIER | |
Smilax californica | | Native |
Smilax jamesii | ENGLISH PEAK GREENBRIER | Native |
Solanaceae ↳ Key to Solanaceae | NIGHTSHADE FAMILY | |
Solanoa purpurescens (Under Asclepias solanoana) | | Synonym |
Solanum ↳ Key to Solanum | NIGHTSHADE | |
Solanum americanum | | Native |
Solanum aviculare | | Naturalized |
Solanum carolinense | CAROLINA HORSE-NETTLE | Naturalized |
Solanum clokeyi (Under Solanum wallacei) | | Synonym |
Solanum dimidiatum | TORREY'S NIGHTSHADE | Urban weed |
Solanum douglasii | | Native |
Solanum dulcamara | | Naturalized |
Solanum elaeagnifolium | WHITE HORSE-NETTLE | Naturalized |
Solanum furcatum | | Naturalized |
Solanum lanceolatum | LANCELEAF NIGHTSHADE | Naturalized |
Solanum lycopersicum (Under Lycopersicon esculentum) | | Synonym |
Solanum marginatum | WHITE-MARGINED NIGHTSHADE | Naturalized |
Solanum nigrum | BLACK NIGHTSHADE | Naturalized |
Solanum nodiflorum (Under Solanum americanum) | | Synonym |
Solanum parishii | | Native |
Solanum peruvianum (Under Lycopersicon peruvianum) | | Synonym |
Solanum physalifolium var. nitidibaccatum | | Naturalized |
Solanum rostratum | BUFFALOBUR | Naturalized |
Solanum sarrachoides (Under Solanum physalifolium var. nitidibaccatum) | | Misapplied name |
Solanum sisymbriifolium | | Naturalized |
Solanum tenuilobatum (Under Solanum xanti) | | Synonym |
Solanum torreyi (Under Solanum dimidiatum) | | Synonym |
Solanum triflorum | | Naturalized |
Solanum umbelliferum | | Native |
Solanum umbelliferum var. glabrescens (Under Solanum umbelliferum) | | Synonym |
Solanum umbelliferum var. incanum (Under Solanum umbelliferum) | | Synonym |
Solanum wallacei | WALLACE'S NIGHTSHADE | Native |
Solanum wallacei var. clokeyi (Under Solanum wallacei) | | Synonym |
Solanum xanti | | Native |
Solanum xanti var. hoffmannii (Under Solanum xanti) | | Synonym |
Solanum xanti var. intermedium (Under Solanum xanti) | | Synonym |
Solanum xanti var. montanum (Under Solanum xanti) | | Synonym |
Solanum xanti var. obispoense (Under Solanum xanti) | | Synonym |
Soleirolia | BABY'S TEARS | |
Soleirolia soleirolii | | Naturalized |
Solidago ↳ Key to Solidago | GOLDENROD | |
Solidago altissima subsp. altissima | LATE GOLDENROD | Naturalized |
Solidago altissima var. altissima (Under Solidago altissima subsp. altissima) | | Synonym |
Solidago californica (Under Solidago velutina subsp. californica) | | Synonym |
Solidago canadensis subsp. elongata (Under Solidago elongata) | | Synonym |
Solidago canadensis var. elongata (Under Solidago elongata) | | Synonym |
Solidago canadensis var. salebrosa (Under Solidago lepida var. salebrosa) | | Synonym |
Solidago confinis | SOUTHERN GOLDENROD | Native |
Solidago elongata | WEST COAST CANADA GOLDENROD | Native |
Solidago gigantea (Under Solidago lepida var. salebrosa) | | Misapplied name |
Solidago guiradonis | GUIRADO'S GOLDENROD | Native |
Solidago guiradonis var. spectabilis (Under Solidago spectabilis) | | Synonym |
Solidago lepida var. salebrosa | WESTERN GOLDENROD | Native |
Solidago missouriensis (Under Solidago spectabilis) | | Misapplied name |
Solidago multiradiata | NORTHERN GOLDENROD | Native |
Solidago occidentalis (Under Euthamia occidentalis) | | Synonym |
Solidago sparsiflora (Under Solidago velutina subsp. sparsiflora) | | Synonym |
Solidago spathulata | COAST GOLDENROD | Native |
Solidago spectabilis | SHOWY GOLDENROD | Native |
Solidago spectabilis var. confinis (Under Solidago confinis) | | Synonym |
Solidago velutina | VELVETY GOLDENROD | Native |
Solidago velutina subsp. californica | CALIFORNIA GOLDENROD | Native |
Solidago velutina subsp. sparsiflora | | Native |
Soliva | | |
Soliva daucifolia (Under Soliva sessilis) | | Synonym |
Soliva pterosperma (Under Soliva sessilis) | | Synonym |
Soliva sessilis | | Naturalized |
Sollya heterophylla (Under Billardiera heterophylla) | | Synonym |
Sonchus ↳ Key to Sonchus | SOW THISTLE | |
Sonchus arvensis | PERENNIAL SOW THISTLE | Naturalized |
Sonchus arvensis subsp. arvensis | | Agricultural weed |
Sonchus arvensis subsp. uliginosus | | Naturalized |
Sonchus asper subsp. asper | PRICKLY SOW THISTLE | Naturalized |
Sonchus oleraceus | COMMON SOW THISTLE | Naturalized |
Sonchus tenerrimus | | Naturalized |
Sonnea | | |
Sonnea hispida | CASCADE POPCORNFLOWER, BRISTLY POPCORNFLOWER | Native |
Sophia nelsonii (Under Descurainia nelsonii) | | Synonym |
Sophora secundiflora (Under Calia secundiflora) | | Synonym |
Sorbus ↳ Key to Sorbus | MOUNTAIN ASH | |
Sorbus aucuparia | EUROPEAN MOUNTAIN ASH | Waif |
Sorbus californica | CALIFORNIA MOUNTAIN ASH | Native |
Sorbus cascadensis (Under Sorbus scopulina) | | Synonym |
Sorbus occidentalis (Under Sorbus sitchensis var. grayi) | | Synonym |
Sorbus scopulina | ROCKY MOUNTAIN or CASCADE MOUNTAIN ASH | Native |
Sorbus scopulina var. cascadensis (Under Sorbus scopulina) | | Synonym |
Sorbus sitchensis | | Native |
Sorbus sitchensis var. densa (Under Sorbus scopulina) | | Synonym |
Sorbus sitchensis var. grayi | DWARF or GRAY'S MOUNTAIN ASH | Native |
Sorbus sitchensis var. sitchensis | SITKA MOUNTAIN ASH | Native |
Sorghum ↳ Key to Sorghum | | |
Sorghum bicolor | SORGHUM | Naturalized |
Sorghum halepense | JOHNSON GRASS | Naturalized |
Sorghum lanceolatum (Under Sorghum bicolor) | | Synonym |
Sorghum sudanense (Under Sorghum bicolor) | | Synonym |
Sorghum virgatum (Under Sorghum bicolor) | | Synonym |
Sparaxis ↳ Key to Sparaxis | SPARAXIS | |
Sparaxis grandiflora | BUTTER CUP | Waif |
Sparaxis tricolor | HARLEQUIN FLOWER | Waif |
Sparganium ↳ Key to Sparganium | BUR-REED | |
Sparganium angustifolium | NARROW-LEAVED BUR-REED | Native |
Sparganium angustifolium subsp. emersum (Under Sparganium emersum) | | Synonym |
Sparganium angustifolium var. multipedunculatum (Under Sparganium angustifolium) | | Synonym |
Sparganium chlorocarpum (Under Sparganium emersum) | | Synonym |
Sparganium chlorocarpum var. acaule (Under Sparganium emersum) | | Synonym |
Sparganium emersum | | Native |
Sparganium emersum subsp. acaule (Under Sparganium emersum) | | Synonym |
Sparganium emersum var. multipedunculatum (Under Sparganium angustifolium) | | Synonym |
Sparganium erectum subsp. stoloniferum (Under Sparganium eurycarpum var. greenei) | | Synonym |
Sparganium eurycarpum | | Native |
Sparganium eurycarpum subsp. eurycarpum (Under Sparganium eurycarpum var. eurycarpum) | | Synonym |
Sparganium eurycarpum var. eurycarpum | | Native |
Sparganium eurycarpum var. greenei | | Native |
Sparganium greenei (Under Sparganium eurycarpum var. greenei) | | Synonym |
Sparganium minimum (Under Sparganium natans) | | Synonym |
Sparganium multipedunculatum (Under Sparganium angustifolium) | | Synonym |
Sparganium natans | SMALL BUR-REED | Native |
Sparganium simplex var. multipedunculatum (Under Sparganium angustifolium) | | Synonym |
Spartina ↳ Key to Spartina | CORD GRASS | |
Spartina alterniflora | SALT-WATER CORD GRASS | Naturalized |
Spartina densiflora | DENSE-FLOWERED CORD GRASS | Naturalized |
Spartina foliosa | CALIFORNIA CORD GRASS | Native |
Spartina gracilis | ALKALI CORD GRASS | Native |
Spartina patens | SALT-MEADOW CORD GRASS | Naturalized |
Spartium | | |
Spartium junceum | SPANISH BROOM | Naturalized |
Spergula | SPURREY | |
Spergula arvensis | STICKWORT, STARWORT | Naturalized |
Spergularia ↳ Key to Spergularia | SAND-SPURREY | |
Spergularia atrosperma | BLACK SEED SAND-SPURREY | Native |
Spergularia bocconei (Under Spergularia bocconi) | | Orthographic variant |
Spergularia bocconi | BOCCONE'S SAND-SPURREY | Naturalized |
Spergularia canadensis var. occidentalis | WESTERN SAND-SPURREY | Native |
Spergularia macrotheca | STICKY SAND-SPURREY | Native |
Spergularia macrotheca var. leucantha | | Native |
Spergularia macrotheca var. longistyla | | Native |
Spergularia macrotheca var. macrotheca | | Native |
Spergularia marina | SALTMARSH SAND-SPURREY | Native |
Spergularia marina var. tenuis (Under Spergularia marina) | | Synonym |
Spergularia maritima (Under Spergularia media var. media) | | Synonym |
Spergularia media var. media | GREATER SEA-SPURREY | Naturalized |
Spergularia platensis var. platensis | LA PLATA SAND-SPURREY | Naturalized |
Spergularia rubra | RED SAND-SPURREY | Naturalized |
Spergularia salina (Under Spergularia marina) | | Synonym |
Spergularia villosa | HAIRY SAND-SPURREY | Naturalized |
Spermolepis | | |
Spermolepis echinata | BRISTLY SCALESEED | Native |
Sphaeralcea ↳ Key to Sphaeralcea | GLOBEMALLOW | |
Sphaeralcea aboriginum (Under Malacothamnus aboriginum) | | Synonym |
Sphaeralcea ambigua | | Native |
Sphaeralcea ambigua subsp. ambigua (Under Sphaeralcea ambigua var. ambigua) | | Synonym |
Sphaeralcea ambigua subsp. monticola (Under Sphaeralcea ambigua var. ambigua) | | Synonym |
Sphaeralcea ambigua subsp. rosacea (Under Sphaeralcea ambigua var. rosacea) | | Synonym |
Sphaeralcea ambigua subsp. rugosa (Under Sphaeralcea ambigua var. rugosa) | | Synonym |
Sphaeralcea ambigua var. aculeata (Under Sphaeralcea ambigua var. ambigua) | | Synonym |
Sphaeralcea ambigua var. ambigua | APRICOT MALLOW | Native |
Sphaeralcea ambigua var. monticola (Under Sphaeralcea ambigua var. ambigua) | | Synonym |
Sphaeralcea ambigua var. rosacea | PARISH MALLOW | Native |
Sphaeralcea ambigua var. rugosa | ROUGHLEAF APRICOT MALLOW | Native |
Sphaeralcea angustifolia | NARROW-LEAVED GLOBEMALLOW | Native |
Sphaeralcea angustifolia var. cuspidata (Under Sphaeralcea angustifolia) | | Synonym |
Sphaeralcea angustifolia var. oblongifolia (Under Sphaeralcea angustifolia) | | Synonym |
Sphaeralcea arcuata (Under Malacothamnus arcuatus var. arcuatus) | | Synonym |
Sphaeralcea coulteri | COULTER'S GLOBEMALLOW | Native |
Sphaeralcea davidsonii (Under Malacothamnus davidsonii) | | Synonym |
Sphaeralcea densiflora (Under Malacothamnus densiflorus var. densiflorus) | | Synonym |
Sphaeralcea densiflora var. gabrielensis (Under Malacothamnus marrubioides) | | Synonym |
Sphaeralcea emoryi var. arida (Under Sphaeralcea emoryi var. emoryi) | | Synonym |
Sphaeralcea emoryi var. emoryi | EMORY'S GLOBEMALLOW | Native |
Sphaeralcea emoryi var. nevadensis (Under Sphaeralcea angustifolia) | | Synonym |
Sphaeralcea emoryi var. variabilis (Under Sphaeralcea emoryi var. emoryi) | | Synonym |
Sphaeralcea fasciculata (Under Malacothamnus fasciculatus var. fasciculatus) | | Synonym |
Sphaeralcea fasciculata var. elmeri (Under Malacothamnus arcuatus var. elmeri) | | Synonym |
Sphaeralcea fasciculata var. laxiflora (Under Malacothamnus fasciculatus var. laxiflorus) | | Synonym |
Sphaeralcea fasciculata var. nesiotica (Under Malacothamnus fasciculatus var. nesioticus) | | Synonym |
Sphaeralcea fasciculata var. nuttallii (Under Malacothamnus nuttallii) | | Synonym |
Sphaeralcea fremontii (Under Malacothamnus fremontii var. fremontii) | | Synonym |
Sphaeralcea fremontii var. cercophora (Under Malacothamnus fremontii var. fremontii) | | Synonym |
Sphaeralcea fremontii var. exfibulosa (Under Malacothamnus fremontii var. exfibulosus) | | Synonym |
Sphaeralcea grossulariifolia | GOOSEBERRY-LEAVED GLOBEMALLOW | Native |
Sphaeralcea grossulariifolia var. grossulariifolia (Under Sphaeralcea grossulariifolia) | | Synonym |
Sphaeralcea munroana | MUNRO'S DESERT-MALLOW | Native |
Sphaeralcea nesiotica (Under Malacothamnus fasciculatus var. nesioticus) | | Synonym |
Sphaeralcea orbiculata (Under Malacothamnus orbiculatus) | | Synonym |
Sphaeralcea orbiculata subsp. clementina (Under Malacothamnus clementinus) | | Synonym |
Sphaeralcea orbiculata var. clementina (Under Malacothamnus clementinus) | | Synonym |
Sphaeralcea orcuttii | CARRIZO MALLOW | Native |
Sphaeralcea rusbyi subsp. eremicola (Under Sphaeralcea rusbyi var. eremicola) | | Synonym |
Sphaeralcea rusbyi var. eremicola | RUSBY'S DESERT-MALLOW | Native |
Sphaeromeria ↳ Key to Sphaeromeria | | |
Sphaeromeria cana | GRAY CHICKENSAGE | Native |
Sphaeromeria potentilloides | FIVEFINGER CHICKENSAGE | Native |
Sphaeromeria potentilloides var. nitrophila | ALKALI TANSY-SAGE | Native |
Sphaeromeria potentilloides var. potentilloides | | Native |
Sphaerophysa | | |
Sphaerophysa salsula | AUSTRIAN PEAWEED | Extirpated alien |
Sphaeropteris | AUSTRALIAN TREE FERN | |
Sphaeropteris cooperi | COOPER'S TREE FERN | Naturalized |
Sphenopholis | WEDGE GRASS | |
Sphenopholis obtusata | PRAIRIE WEDGE GRASS | Native |
Sphenosciadium capitellatum (Under Angelica capitellata) | | Synonym |
Spiraea ↳ Key to Spiraea | | |
Spiraea densiflora (Under Spiraea splendens) | | Synonym |
Spiraea densiflora subsp. splendens (Under Spiraea splendens) | | Synonym |
Spiraea douglasii | | Native |
Spiraea helleri (Under Spiraea splendens) | | Synonym |
Spiraea splendens | | Native |
Spiraea splendens var. splendens (Under Spiraea splendens) | | Synonym |
Spiranthes ↳ Key to Spiranthes | LADIES' TRESSES | |
Spiranthes ×sierrae | SIERRA LADIES' TRESSES | Native |
Spiranthes ×stellata | STARRY LADIES' TRESSES | Native |
Spiranthes perexilis | SLENDER STARRY LADIES' TRESSES | Native |
Spiranthes porrifolia | WESTERN LADIES' TRESSES, LEEK-LEAVED LADIES' TRESSES | Native |
Spiranthes romanzoffiana | HOODED LADIES' TRESSES | Native |
Spirodela | DUCKMEAT | |
Spirodela oligorrhiza (Under Landoltia punctata) | | Synonym |
Spirodela polyrhiza | | Native |
Spirodela punctata (Under Landoltia punctata) | | Synonym |
Sporobolus ↳ Key to Sporobolus | DROPSEED, SACATON | |
Sporobolus airoides | ALKALI SACATON | Native |
Sporobolus airoides var. wrightii (Under Sporobolus wrightii) | | Synonym |
Sporobolus contractus | SPIKE DROPSEED | Native |
Sporobolus creber (Under Sporobolus indicus) | | Synonym |
Sporobolus cryptandrus | SAND DROPSEED | Native |
Sporobolus cryptandrus var. strictus (Under Sporobolus contractus) | | Synonym |
Sporobolus flexuosus | MESA DROPSEED | Native |
Sporobolus indicus | SMUT GRASS | Naturalized |
Sporobolus indicus var. creber (Under Sporobolus indicus) | | Synonym |
Sporobolus nealleyi (Under Sporobolus cryptandrus) | | Misapplied name |
Sporobolus poiretii (Under Sporobolus indicus) | | Misapplied name |
Sporobolus vaginiflorus | POVERTY DROPSEED | Naturalized |
Sporobolus wrightii | BIG SACATON | Native |
Stachys ↳ Key to Stachys | HEDGE-NETTLE | |
Stachys ajugoides | | Native |
Stachys ajugoides var. cymosa (Under Stachys pycnantha) | | Synonym |
Stachys ajugoides var. quercetorum (Under Stachys rigida var. quercetorum) | | Synonym |
Stachys ajugoides var. rigida (Under Stachys bergii) | | Synonym, in part |
Stachys ajugoides var. rigida (Under Stachys mexicana) | | Synonym, in part |
Stachys ajugoides var. rigida (Under Stachys rigida var. quercetorum) | | Synonym, in part |
Stachys ajugoides var. rigida (Under Stachys rigida var. rigida) | | Synonym |
Stachys ajugoides var. stricta (Under Stachys stricta) | | Synonym |
Stachys albens | | Native |
Stachys albens var. juliensis (Under Stachys albens) | | Synonym |
Stachys bergii | | Native |
Stachys bullata | | Native |
Stachys californica (Under Stachys bullata) | | Synonym |
Stachys chamissonis | | Native |
Stachys flaccida (Under Stachys chamissonis) | | Synonym |
Stachys gracilenta (Under Stachys rigida var. quercetorum) | | Synonym |
Stachys lanuginosa (Under Stachys albens) | | Synonym |
Stachys malacophylla (Under Stachys albens) | | Synonym |
Stachys mexicana | | Native |
Stachys palustris subsp. pilosa (Under Stachys pilosa) | | Synonym |
Stachys pilosa | PRAIRIE WOUNDWORT | Native |
Stachys pycnantha | SHORT-SPIKED HEDGE NETTLE | Native |
Stachys quercetorum (Under Stachys rigida var. quercetorum) | | Synonym |
Stachys ramosa (Under Stachys ajugoides) | | Synonym |
Stachys rigida | | Native |
Stachys rigida subsp. lanata (Under Stachys bergii) | | Synonym |
Stachys rigida subsp. quercetorum (Under Stachys rigida var. quercetorum) | | Synonym |
Stachys rigida subsp. rivularis (Under Stachys rigida var. rigida) | | Synonym |
Stachys rigida var. quercetorum | | Native |
Stachys rigida var. rigida | | Native |
Stachys stebbinsii | | Native |
Stachys stricta | | Native |
Stachys velutina (Under Stachys albens) | | Synonym |
Stachys veronicifolia (Under Stachys rigida var. rigida) | | Synonym |
Stachys viarum (Under Stachys rigida var. quercetorum) | | Synonym |
Stanfordia californica (Under Caulanthus californicus) | | Synonym |
Stanleya ↳ Key to Stanleya | PRINCE'S PLUME | |
Stanleya elata | | Native |
Stanleya pinnata subsp. inyoensis (Under Stanleya pinnata var. pinnata) | | Synonym |
Stanleya pinnata var. inyoensis (Under Stanleya pinnata var. pinnata) | | Synonym |
Stanleya pinnata var. pinnata | | Native |
Stanleya viridiflora | GREEN-FLOWERED PRINCE'S PLUME | Native |
Staphylea | BLADDERNUT | |
Staphylea bolanderi | SIERRA BLADDERNUT | Native |
Staphyleaceae | BLADDERNUT FAMILY | |
Statice perezii (Under Limonium perezii) | | Synonym |
Stebbinsoseris ↳ Key to Stebbinsoseris | | |
Stebbinsoseris decipiens | SANTA CRUZ MICROSERIS | Native |
Stebbinsoseris heterocarpa | GRASSLAND SILVERPUFFS | Native |
Stellaria ↳ Key to Stellaria | CHICKWEED, STARWORT | |
Stellaria biflora (Under Cherleria biflora) | | Synonym |
Stellaria borealis subsp. sitchana | SITKA STARWORT | Native |
Stellaria borealis var. bongardiana (Under Stellaria borealis subsp. sitchana) | | Synonym |
Stellaria calycantha | NORTHERN STARWORT | Native |
Stellaria calycantha subsp. interior (Under Stellaria calycantha) | | Synonym |
Stellaria calycantha var. bongardiana (Under Stellaria borealis subsp. sitchana) | | Synonym |
Stellaria calycantha var. simcoei (Under Stellaria calycantha) | | Synonym |
Stellaria calycantha var. sitchana (Under Stellaria borealis subsp. sitchana) | | Synonym |
Stellaria crispa | CRISP STARWORT | Native |
Stellaria graminea | COMMON STARWORT | Naturalized |
Stellaria jamesiana (Under Torreyostellaria jamesiana) | | Synonym |
Stellaria lagunensis (Under Arenaria lanuginosa var. saxosa) | | Synonym |
Stellaria littoralis | BEACH STARWORT | Native |
Stellaria longifolia | LONG-LEAVED STARWORT | Native |
Stellaria longipes subsp. longipes | GOLDIE'S STARWORT | Native |
Stellaria longipes var. laeta (Under Stellaria longipes subsp. longipes) | | Synonym |
Stellaria longipes var. longipes (Under Stellaria longipes subsp. longipes) | | Synonym |
Stellaria media | COMMON CHICKWEED | Naturalized |
Stellaria media subsp. neglecta (Under Stellaria neglecta) | | Synonym |
Stellaria media subsp. pallida (Under Stellaria pallida) | | Synonym |
Stellaria neglecta | GREATER CHICKWEED | Naturalized |
Stellaria nitens | SHINING CHICKWEED | Native |
Stellaria obtusa (Under Engellaria obtusa) | | Synonym |
Stellaria pallida | LESSER CHICKWEED | Naturalized |
Stellaria sitchana var. bongardiana (Under Stellaria borealis subsp. sitchana) | | Synonym |
Stellaria umbellata | UMBELLATE STARWORT | Native |
Stemodia | | |
Stemodia durantifolia | PURPLE STEMODIA | Native |
Stenanthium | | |
Stenanthium occidentale | | Native |
Stenophyllus capillaris (Under Bulbostylis capillaris) | | Synonym |
Stenotaphrum | | |
Stenotaphrum secundatum | SAINT AUGUSTINE GRASS | Naturalized |
Stenotus ↳ Key to Stenotus | | |
Stenotus acaulis | STEMLESS GOLDENWEED | Native |
Stenotus lanuginosus var. lanuginosus | WOOLLY STENOTUS | Native |
Stenotus stenophyllus (Under Nestotus stenophyllus) | | Synonym |
Stephanomeria ↳ Key to Stephanomeria | | |
Stephanomeria blairii (Under Munzothamnus blairii) | | Synonym |
Stephanomeria cichoriacea | SILVER ROCK-LETTUCE, CHICORYLEAF WIRE-LETTUCE | Native |
Stephanomeria diegensis | | Native |
Stephanomeria elata | | Native |
Stephanomeria exigua | | Native |
Stephanomeria exigua subsp. carotifera | | Native |
Stephanomeria exigua subsp. coronaria | | Native |
Stephanomeria exigua subsp. deanei | | Native |
Stephanomeria exigua subsp. exigua | | Native |
Stephanomeria exigua subsp. macrocarpa | | Native |
Stephanomeria lactucina | | Native |
Stephanomeria minor (Under Stephanomeria tenuifolia) | | Synonym |
Stephanomeria minor var. minor (Under Stephanomeria tenuifolia) | | Synonym |
Stephanomeria minor var. myrioclada (Under Stephanomeria tenuifolia) | | Synonym |
Stephanomeria paniculata | | Native |
Stephanomeria parryi | | Native |
Stephanomeria pauciflora | WIRE-LETTUCE | Native |
Stephanomeria pauciflora var. parishii (Under Stephanomeria pauciflora) | | Synonym |
Stephanomeria pauciflora var. pauciflora (Under Stephanomeria pauciflora) | | Synonym |
Stephanomeria runcinata var. parishii (Under Stephanomeria pauciflora) | | Synonym |
Stephanomeria spinosa (Under Pleiacanthus spinosus) | | Synonym |
Stephanomeria tenuifolia | NARROW-LEAVED WIRE-LETTUCE | Native |
Stephanomeria tenuifolia var. myrioclada (Under Stephanomeria tenuifolia) | | Synonym |
Stephanomeria tomentosa (Under Stephanomeria virgata subsp. virgata) | | Synonym |
Stephanomeria virgata | | Native |
Stephanomeria virgata subsp. pleurocarpa | | Native |
Stephanomeria virgata subsp. virgata | | Native |
Stillingia ↳ Key to Stillingia | | |
Stillingia linearifolia | | Native |
Stillingia paucidentata | | Native |
Stillingia spinulosa | | Native |
Stipa ↳ Key to Stipa | NEEDLE GRASS | |
Stipa arida | MORMON NEEDLE GRASS | Native |
Stipa brachychaeta | PUNA NEEDLE GRASS | Naturalized |
Stipa capensis | CAPE RICE GRASS | Naturalized |
Stipa cernua | NODDING NEEDLE GRASS | Native |
Stipa chaetophora | STIPOID RICE GRASS | Naturalized |
Stipa columbiana (Under Stipa nelsonii var. dorei) | | Synonym |
Stipa comata | NEEDLE-AND-THREAD | Native |
Stipa comata var. comata | | Native |
Stipa comata var. intermedia | | Native |
Stipa coronata | CRESTED NEEDLE GRASS | Native |
Stipa diegoensis | SAN DIEGO NEEDLE GRASS | Native |
Stipa divaricata | SMALL-FLOWERED RICE GRASS | Native |
Stipa exigua | LITTLE RICE GRASS | Native |
Stipa formicarum (Under Stipa manicata) | | Misapplied name |
Stipa hymenoides | SAND RICE GRASS | Native |
Stipa kingii | KING'S RICE GRASS | Native |
Stipa latiglumis | WIDE-GLUMED NEEDLE GRASS | Native |
Stipa lemmonii | LEMMON'S NEEDLE GRASS | Native |
Stipa lemmonii var. lemmonii | | Native |
Stipa lemmonii var. pubescens | | Native |
Stipa lepida | FOOTHILL NEEDLE GRASS | Native |
Stipa lettermanii | LETTERMAN'S NEEDLE GRASS | Native |
Stipa manicata | ANDEAN TUSSOCK GRASS | Naturalized |
Stipa mauritanica | MAURITANIAN GRASS | Naturalized |
Stipa miliacea var. miliacea | SMILO GRASS | Naturalized |
Stipa nelsonii var. dorei | MOUNTAIN NEEDLE GRASS | Native |
Stipa nevadensis | NEVADA NEEDLE GRASS | Native |
Stipa occidentalis | | Native |
Stipa occidentalis var. californica | CALIFORNIA NEEDLE GRASS | Native |
Stipa occidentalis var. occidentalis | WESTERN NEEDLE GRASS | Native |
Stipa occidentalis var. pubescens | COMMON WESTERN NEEDLE GRASS | Native |
Stipa parishii var. parishii | | Native |
Stipa pinetorum | PINEWOODS NEEDLE GRASS | Native |
Stipa pulchra | PURPLE NEEDLE GRASS | Native |
Stipa purpurata | BRISTLY NEEDLE GRASS | Naturalized |
Stipa speciosa | DESERT NEEDLE GRASS | Native |
Stipa stillmanii | STILLMAN'S NEEDLE GRASS | Native |
Stipa thurberiana | THURBER'S NEEDLE GRASS | Native |
Stipa webberi | WEBBER'S NEEDLE GRASS | Native |
Streptanthella | | |
Streptanthella longirostris | | Native |
Streptanthella longirostris var. derelicta (Under Streptanthella longirostris) | | Synonym |
Streptanthus ↳ Key to Streptanthus | JEWELFLOWER | |
Streptanthus albidus subsp. albidus (Under Streptanthus glandulosus subsp. albidus) | | Synonym |
Streptanthus albidus subsp. peramoenus (Under Streptanthus glandulosus subsp. glandulosus) | | Synonym |
Streptanthus anceps (Under Caulanthus anceps) | | Synonym |
Streptanthus anomalus | MOUNT BURDELL JEWELFLOWER | Native |
Streptanthus barbatus | PACIFIC JEWELFLOWER | Native |
Streptanthus barbiger | BEARDED JEWELFLOWER | Native |
Streptanthus batrachopus | TAMALPAIS JEWELFLOWER | Native |
Streptanthus bernardinus | LAGUNA MOUNTAINS JEWELFLOWER | Native |
Streptanthus brachiatus | SOCRATES MINE JEWELFLOWER | Native |
Streptanthus brachiatus subsp. brachiatus (Under Streptanthus brachiatus) | | Synonym |
Streptanthus brachiatus subsp. hoffmanii (Under Streptanthus brachiatus) | | Synonym |
Streptanthus breweri | BREWER'S JEWELFLOWER | Native |
Streptanthus breweri var. breweri (Under Streptanthus breweri) | | Synonym |
Streptanthus breweri var. hesperidis (Under Streptanthus hesperidis) | | Synonym |
Streptanthus callistus | MOUNT HAMILTON JEWELFLOWER | Native |
Streptanthus campestris | SOUTHERN JEWELFLOWER | Native |
Streptanthus cordatus | HEARTLEAF JEWELFLOWER | Native |
Streptanthus cordatus var. cordatus | | Native |
Streptanthus cordatus var. duranii (Under Streptanthus cordatus var. cordatus) | | Synonym |
Streptanthus cordatus var. exiguus (Under Streptanthus oliganthus) | | Synonym |
Streptanthus cordatus var. piutensis | PIUTE MOUNTAINS JEWELFLOWER | Native |
Streptanthus coulteri var. lemmonii (Under Caulanthus lemmonii) | | Synonym |
Streptanthus diversifolius | VARIED-LEAVED JEWELFLOWER | Native |
Streptanthus drepanoides | SICKLE-FRUIT JEWELFLOWER | Native |
Streptanthus farnsworthianus | FARNSWORTH'S JEWELFLOWER | Native |
Streptanthus fenestratus | TEHIPITE VALLEY JEWELFLOWER | Native |
Streptanthus flavescens (Under Caulanthus flavescens) | | Synonym |
Streptanthus glandulosus | BRISTLY JEWELFLOWER | Native |
Streptanthus glandulosus subsp. albidus | METCALF CANYON JEWELFLOWER | Native |
Streptanthus glandulosus subsp. arkii | KRUCKEBERG'S BRISTLY JEWELFLOWER | Native |
Streptanthus glandulosus subsp. glandulosus | | Native |
Streptanthus glandulosus subsp. hoffmanii | HOFFMAN'S BRISTLY JEWELFLOWER | Native |
Streptanthus glandulosus subsp. josephinensis | JOSEPHINE COUNTY JEWELFLOWER | Native |
Streptanthus glandulosus subsp. niger | TIBURON JEWELFLOWER | Native |
Streptanthus glandulosus subsp. pulchellus | MOUNT TAMALPAIS BRISTLY JEWELFLOWER | Native |
Streptanthus glandulosus subsp. raichei | RAICHE'S JEWELFLOWER | Native |
Streptanthus glandulosus subsp. secundus | ONE-SIDED JEWELFLOWER | Native |
Streptanthus glandulosus subsp. sonomensis | UNCOMMON JEWELFLOWER | Native |
Streptanthus glandulosus var. albidus (Under Streptanthus glandulosus subsp. albidus) | | Synonym |
Streptanthus glandulosus var. hoffmanii (Under Streptanthus glandulosus subsp. hoffmanii) | | Synonym |
Streptanthus glandulosus var. niger (Under Streptanthus glandulosus subsp. niger) | | Synonym |
Streptanthus glandulosus var. pulchellus (Under Streptanthus glandulosus subsp. pulchellus) | | Synonym |
Streptanthus glandulosus var. sonomensis (Under Streptanthus glandulosus subsp. sonomensis) | | Synonym |
Streptanthus glaucus (Under Caulanthus glaucus) | | Synonym |
Streptanthus gracilis | ALPINE JEWELFLOWER | Native |
Streptanthus hallii (Under Caulanthus hallii) | | Synonym |
Streptanthus hesperidis | GREEN JEWELFLOWER | Native |
Streptanthus heterophyllus (Under Caulanthus heterophyllus) | | Synonym |
Streptanthus hispidus | MOUNT DIABLO JEWELFLOWER | Native |
Streptanthus howellii | HOWELL'S JEWELFLOWER | Native |
Streptanthus inflatus (Under Caulanthus inflatus) | | Synonym |
Streptanthus insignis | SAN BENITO JEWELFLOWER | Native |
Streptanthus insignis subsp. insignis | | Native |
Streptanthus insignis subsp. lyonii | ARBURUA RANCH JEWELFLOWER | Native |
Streptanthus juneae | JUNE'S JEWELFLOWER | Native |
Streptanthus lemmonii (Under Caulanthus lemmonii) | | Synonym |
Streptanthus lemmonii (Under Streptanthus tortuosus) | | Synonym |
Streptanthus longisiliquus | LONG-FRUIT JEWELFLOWER | Native |
Streptanthus major (Under Caulanthus major) | | Synonym |
Streptanthus medeirosii | TEJON JEWELFLOWER | Native |
Streptanthus morrisonii | MORRISON'S JEWELFLOWER | Native |
Streptanthus morrisonii subsp. elatus (Under Streptanthus morrisonii) | | Synonym |
Streptanthus morrisonii subsp. hirtiflorus (Under Streptanthus morrisonii) | | Synonym |
Streptanthus morrisonii subsp. kruckebergii (Under Streptanthus morrisonii) | | Synonym |
Streptanthus morrisonii subsp. morrisonii (Under Streptanthus morrisonii) | | Synonym |
Streptanthus niger (Under Streptanthus glandulosus subsp. niger) | | Synonym |
Streptanthus oblanceolatus | TRINITY RIVER JEWELFLOWER | Native |
Streptanthus oliganthus | MASONIC MOUNTAIN JEWELFLOWER | Native |
Streptanthus pilosus (Under Caulanthus pilosus) | | Synonym |
Streptanthus polygaloides | MILKWORT JEWELFLOWER | Native |
Streptanthus polygaloides subsp. alternans | TUOLUMNE JEWELFLOWER | Native |
Streptanthus polygaloides subsp. aureus | GOLDEN JEWELFLOWER | Native |
Streptanthus polygaloides subsp. bicolor | RED HILLS JEWELFLOWER | Native |
Streptanthus polygaloides subsp. liber | | Native |
Streptanthus polygaloides subsp. polygaloides | | Native |
Streptanthus polygaloides subsp. purpureus | PURPLE MILKWORT JEWELFLOWER | Native |
Streptanthus polygaloides subsp. undulatus | PINE FLAT JEWELFLOWER | Native |
Streptanthus sanhedrensis (Under Streptanthus tortuosus var. tortuosus) | | Synonym |
Streptanthus simulans (Under Caulanthus simulans) | | Synonym |
Streptanthus tortuosus | MOUNTAIN JEWELFLOWER | Native |
Streptanthus tortuosus subsp. truei | TRUE'S MOUNTAIN JEWELFLOWER | Native |
Streptanthus tortuosus var. flavescens (Under Streptanthus tortuosus var. orbiculatus) | | Synonym |
Streptanthus tortuosus var. foliosus | WAWONA JEWELFLOWER | Native |
Streptanthus tortuosus var. oblongus | KLAMATH MOUNTAINS JEWELFLOWER | Native |
Streptanthus tortuosus var. optatus | SIERRAN FOOTHILL JEWELFLOWER | Native |
Streptanthus tortuosus var. orbiculatus | HIGH MOUNTAIN JEWELFLOWER | Native |
Streptanthus tortuosus var. pallidus | PALLID JEWELFLOWER | Native |
Streptanthus tortuosus var. suffrutescens (Under Streptanthus tortuosus var. tortuosus) | | Synonym |
Streptanthus tortuosus var. tortuosus | MOUNTAIN JEWELFLOWER | Native |
Streptanthus vernalis | EARLY JEWELFLOWER | Native |
Streptanthus vimineus | SLENDER JEWELFLOWER | Native |
Streptopus | | |
Streptopus amplexifolius var. americanus | | Native |
Streptopus amplexifolius var. denticulatus (Under Streptopus amplexifolius var. americanus) | | Synonym |
Strigosella | | |
Strigosella africana | | Naturalized |
Strombocarpa ↳ Key to Strombocarpa | | |
Strombocarpa pubescens | SCREWBEAN MESQUITE | Native |
Strombocarpa strombulifera | ARGENTINE SCREWBEAN | Waif |
Stropholirion californicum (Under Dichelostemma volubile) | | Synonym |
Struthiopteris | | |
Struthiopteris spicant | DEER FERN | Native |
Stuckenia ↳ Key to Stuckenia | PONDWEED | |
Stuckenia filiformis subsp. alpina | SLENDER-LEAVED PONDWEED | Native |
Stuckenia pectinata | FENNEL-LEAF PONDWEED | Native |
Stuckenia striata | NEVADA PONDWEED | Native |
Stutzia | | |
Stutzia covillei | COVILLE'S ORACH | Native |
Stylocline ↳ Key to Stylocline | NESTSTRAW | |
Stylocline amphibola (Under Micropus amphibolus) | | Synonym |
Stylocline citroleum | OIL NESTSTRAW | Native |
Stylocline filaginea (Under Ancistrocarphus filagineus) | | Synonym |
Stylocline filaginea var. depressa (Under Ancistrocarphus filagineus) | | Synonym |
Stylocline gnaphalioides (Under Stylocline gnaphaloides) | | Orthographic variant |
Stylocline gnaphaloides | EVERLASTING NESTSTRAW | Native |
Stylocline intertexta | MOJAVE NESTSTRAW | Native |
Stylocline masonii | MASON'S NESTSTRAW | Native |
Stylocline micropoides | DESERT NESTSTRAW, WOOLLYHEAD FANBRACT | Native |
Stylocline psilocarphoides | PECK NESTSTRAW | Native |
Stylocline sonorensis | MESQUITE NESTSTRAW | Native |
Stylomecon heterophylla (Under Papaver heterophyllum) | | Synonym |
Styracaceae | STORAX FAMILY | |
Styrax | SNOWDROP BUSH | |
Styrax officinalis var. californicus (Under Styrax redivivus) | | Synonym |
Styrax officinalis var. fulvescens (Under Styrax redivivus) | | Synonym |
Styrax officinalis var. redivivus (Under Styrax redivivus) | | Synonym |
Styrax redivivus | | Native |
Suaeda ↳ Key to Suaeda | SEABLITE, SEEPWEED | |
Suaeda calceoliformis | HORNED SEABLITE | Native |
Suaeda californica | CALIFORNIA SEABLITE | Native |
Suaeda californica var. pubescens (Under Suaeda taxifolia) | | Synonym |
Suaeda californica var. taxifolia (Under Suaeda taxifolia) | | Synonym |
Suaeda depressa var. depressa (Under Suaeda calceoliformis) | | Unabridged misapplied name |
Suaeda depressa var. erecta (Under Suaeda calceoliformis) | | Synonym |
Suaeda esteroa | ESTUARY SEABLITE | Native |
Suaeda fruticosa (Under Suaeda nigra) | | Unabridged misapplied name |
Suaeda moquinii (Under Suaeda nigra) | | Synonym |
Suaeda nigra | BUSH SEEPWEED | Native |
Suaeda occidentalis | WESTERN SEABLITE | Native |
Suaeda taxifolia | WOOLLY SEABLITE | Native |
Suaeda torreyana var. ramosissima (Under Suaeda nigra) | | Synonym |
Suaeda torreyana var. torreyana (Under Suaeda nigra) | | Synonym |
Subularia | AWLWORT | |
Subularia aquatica subsp. americana | WATER AWLWORT | Native |
Subularia aquatica var. americana (Under Subularia aquatica subsp. americana) | | Synonym |
Suksdorfia ranunculifolia (Under Hemieva ranunculifolia) | | Synonym |
Swallenia | | |
Swallenia alexandrae | EUREKA VALLEY DUNE GRASS | Native |
Swertia | | |
Swertia albicaulis (Under Frasera albicaulis) | | Synonym |
Swertia albicaulis var. albicaulis (Under Frasera albicaulis var. modocensis) | | Synonym, in part |
Swertia albicaulis var. nitida (Under Frasera albicaulis var. nitida) | | Synonym |
Swertia albomarginata (Under Frasera albomarginata) | | Synonym |
Swertia covillei (Under Swertia perennis) | | Synonym |
Swertia lassenica (Under Frasera albicaulis var. nitida) | | Synonym |
Swertia modocensis (Under Frasera albicaulis var. modocensis) | | Synonym |
Swertia neglecta (Under Frasera neglecta) | | Synonym |
Swertia parryi (Under Frasera parryi) | | Synonym |
Swertia perennis | STAR SWERTIA | Native |
Swertia puberulenta (Under Frasera puberulenta) | | Synonym |
Swertia radiata (Under Frasera speciosa) | | Synonym |
Swertia radiata var. radiata (Under Frasera speciosa) | | Synonym |
Swertia shastaensis (Under Frasera albicaulis var. modocensis) | | Synonym |
Swertia tubulosa (Under Frasera tubulosa) | | Synonym |
Swertia umpquaensis (Under Frasera umpquaensis) | | Synonym |
Syagrus | | |
Syagrus romanzoffiana | QUEEN PALM | Waif |
Sympetaleia rupestris (Under Eucnide rupestris) | | Synonym |
Symphoricarpos ↳ Key to Symphoricarpos | WAXBERRY, SNOWBERRY | |
Symphoricarpos acutus (Under Symphoricarpos mollis) | | Synonym |
Symphoricarpos albus var. laevigatus | SNOWBERRY | Native |
Symphoricarpos hesperius (Under Symphoricarpos mollis) | | Synonym |
Symphoricarpos longiflorus | FRAGRANT SNOWBERRY | Native |
Symphoricarpos mollis | CREEPING SNOWBERRY, TRIP VINE | Native |
Symphoricarpos parishii (Under Symphoricarpos rotundifolius var. parishii) | | Synonym |
Symphoricarpos rivularis (Under Symphoricarpos albus var. laevigatus) | | Synonym |
Symphoricarpos rotundifolius | | Native |
Symphoricarpos rotundifolius var. parishii | | Native |
Symphoricarpos rotundifolius var. rotundifolius | | Native |
Symphyotrichum ↳ Key to Symphyotrichum | AMERICAN-ASTER | |
Symphyotrichum ascendens | | Native |
Symphyotrichum bracteolatum | | Native |
Symphyotrichum campestre | | Native |
Symphyotrichum campestre var. bloomeri (Under Symphyotrichum campestre) | | Synonym |
Symphyotrichum campestre var. campestre (Under Symphyotrichum campestre) | | Synonym |
Symphyotrichum chilense | | Native |
Symphyotrichum chilense var. chilense (Under Symphyotrichum chilense) | | Synonym |
Symphyotrichum chilense var. invenustum (Under Symphyotrichum chilense) | | Synonym |
Symphyotrichum chilense var. medium (Under Symphyotrichum chilense) | | Synonym |
Symphyotrichum defoliatum | SAN BERNARDINO ASTER | Native |
Symphyotrichum eatonii (Under Symphyotrichum bracteolatum) | | Synonym |
Symphyotrichum expansum (Under Symphyotrichum subulatum var. parviflorum) | | Synonym |
Symphyotrichum foliaceum | | Native |
Symphyotrichum foliaceum var. apricum | | Native |
Symphyotrichum foliaceum var. parryi | | Native |
Symphyotrichum frondosum | | Native |
Symphyotrichum greatae | GREATA'S ASTER | Native |
Symphyotrichum hendersonii | HENDERSON'S ASTER | Native |
Symphyotrichum lanceolatum subsp. hesperium (Under Symphyotrichum lanceolatum var. hesperium) | | Synonym |
Symphyotrichum lanceolatum var. hesperium | | Native |
Symphyotrichum lentum | SUISUN MARSH ASTER | Native |
Symphyotrichum spathulatum | | Native |
Symphyotrichum spathulatum var. intermedium | | Native |
Symphyotrichum spathulatum var. spathulatum | | Native |
Symphyotrichum spathulatum var. yosemitanum | WESTERN BOG ASTER | Native |
Symphyotrichum subspicatum | DOUGLAS ASTER | Native |
Symphyotrichum subulatum | ANNUAL SALTMARSH ASTER | Native |
Symphyotrichum subulatum var. elongatum | | Naturalized |
Symphyotrichum subulatum var. parviflorum | | Native |
Symphyotrichum subulatum var. squamatum | | Naturalized |
Symphytum ↳ Key to Symphytum | COMFREY | |
Symphytum ×uplandicum | RUSSIAN COMFREY | Naturalized |
Symphytum asperum (Under Symphytum ×uplandicum) | | Misapplied name |
Symphytum officinale | COMFREY | Waif |
Synthyris ↳ Key to Synthyris | | |
Synthyris cordata | SERPENTINE SNOW QUEEN | Native |
Synthyris major (Under Synthyris missurica subsp. missurica) | | Synonym |
Synthyris missurica subsp. missurica | KITTENTAIL | Native |
Synthyris reniformis | SNOW QUEEN | Native |
Synthyris reniformis var. cordata (Under Synthyris cordata) | | Synonym |
Synthyris reniformis var. reniformis (Under Synthyris reniformis) | | Synonym |
Synthyris stellata (Under Synthyris missurica subsp. missurica) | | Synonym |
Syntrichopappus ↳ Key to Syntrichopappus | | |
Syntrichopappus fremontii | | Native |
Syntrichopappus lemmonii | LEMMON'S SYNTRICHOPAPPUS | Native |
Systenotheca | | |
Systenotheca vortriedei | VORTRIEDE'S SPINEFLOWER | Native |
Syzygium | | |
Syzygium australe | SCRUB CHERRY | Waif |
Taeniatherum asperum (Under Elymus caput-medusae) | | Synonym |
Taeniatherum caput-medusae (Under Elymus caput-medusae) | | Synonym |
Tagetes ↳ Key to Tagetes | MARIGOLD | |
Tagetes erecta | AFRICAN or FRENCH MARIGOLD | Waif |
Tagetes minuta | WILD MARIGOLD | Naturalized |
Tagetes patula (Under Tagetes erecta) | | Synonym |
Talinum pygmaeum (Under Lewisia pygmaea) | | Synonym |
Tamaricaceae | TAMARISK FAMILY | |
Tamarix ↳ Key to Tamarix | TAMARISK, SALTCEDAR | |
Tamarix aphylla | ATHEL | Naturalized |
Tamarix chinensis | FIVESTAMEN TAMARISK | Naturalized |
Tamarix gallica | FRENCH TAMARISK | Naturalized |
Tamarix parviflora | SMALLFLOWER TAMARISK | Naturalized |
Tamarix pentandra (Under Tamarix ramosissima) | | Synonym |
Tamarix ramosissima | SALTCEDAR | Naturalized |
Tanacetum ↳ Key to Tanacetum | TANSY | |
Tanacetum bipinnatum | DUNE TANSY | Native |
Tanacetum camphoratum (Under Tanacetum bipinnatum) | | Synonym |
Tanacetum canum (Under Sphaeromeria cana) | | Synonym |
Tanacetum parthenium | FEVERFEW | Naturalized |
Tanacetum vulgare | COMMON TANSY | Naturalized |
Taraxacum ↳ Key to Taraxacum | DANDELION | |
Taraxacum californicum | CALIFORNIA DANDELION | Native |
Taraxacum ceratophorum | HORNED DANDELION | Native |
Taraxacum ceratophorum var. bernardinum (Under Taraxacum californicum) | | Synonym |
Taraxacum erythrospermum | RED-SEEDED DANDELION | Naturalized |
Taraxacum laevigatum (Under Taraxacum erythrospermum) | | Unabridged misapplied name |
Taraxacum laevigatum (Under Taraxacum officinale) | | Synonym |
Taraxacum laevigatum var. erythrospermum (Under Taraxacum erythrospermum) | | Synonym |
Taraxacum officinale | COMMON DANDELION | Naturalized |
Taraxacum officinale subsp. ceratophorum (Under Taraxacum ceratophorum) | | Synonym |
Taraxacum officinale var. erythrospermum (Under Taraxacum erythrospermum) | | Synonym |
Taraxia ↳ Key to Taraxia | | |
Taraxia ovata | | Native |
Taraxia subacaulis | | Native |
Taraxia tanacetifolia | | Native |
Tauschia ↳ Key to Tauschia | | |
Tauschia arguta | | Native |
Tauschia glauca | GLAUCOUS TAUSCHIA | Native |
Tauschia hartwegii | | Native |
Tauschia howellii | HOWELL'S TAUSCHIA | Native |
Tauschia kelloggii | | Native |
Tauschia parishii | | Native |
Taxaceae ↳ Key to Taxaceae | YEW FAMILY | |
Taxus | YEW | |
Taxus brevifolia | PACIFIC YEW | Native |
Taxus brevifolia var. brevifolia (Under Taxus brevifolia) | | Synonym |
Taxus brevifolia var. polychaeta (Under Taxus brevifolia) | | Synonym |
Taxus brevifolia var. reptaneta (Under Taxus brevifolia) | | Synonym |
Tecophilaeaceae | TECOPHILAEA FAMILY | |
Teesdalia ↳ Key to Teesdalia | | |
Teesdalia coronopifolia | | Waif |
Teesdalia nudicaulis | | Naturalized |
Tellima | FRINGE CUPS | |
Tellima grandiflora | | Native |
Tetracoccus ↳ Key to Tetracoccus | | |
Tetracoccus dioicus | PARRY'S TETRACOCCUS | Native |
Tetracoccus hallii | HALL'S TETRACOCCUS | Native |
Tetracoccus ilicifolius | HOLLY-LEAVED TETRACOCCUS | Native |
Tetradymia ↳ Key to Tetradymia | COTTONTHORN, HORSEBRUSH | |
Tetradymia argyraea | STRIPED HORSEBRUSH | Native |
Tetradymia axillaris | | Native |
Tetradymia axillaris var. axillaris | | Native |
Tetradymia axillaris var. longispina | | Native |
Tetradymia canescens | | Native |
Tetradymia comosa | | Native |
Tetradymia glabrata | | Native |
Tetradymia spinosa | | Native |
Tetradymia stenolepis | | Native |
Tetradymia tetrameres | DUNE HORSEBRUSH | Native |
Tetragonia | | |
Tetragonia expansa (Under Tetragonia tetragonoides) | | Synonym |
Tetragonia tetragonoides | NEW ZEALAND SPINACH | Naturalized |
Tetraneuris | | |
Tetraneuris acaulis var. arizonica | | Native |
Tetraneuris acaulis var. nana (Under Tetraneuris acaulis var. arizonica) | | Synonym |
Tetrapteron ↳ Key to Tetrapteron | | |
Tetrapteron graciliflorum | HILL SUN CUP | Native |
Tetrapteron palmeri | | Native |
Teucrium ↳ Key to Teucrium | | |
Teucrium cubense subsp. depressum | DWARF GERMANDER | Native |
Teucrium cubense var. densum (Under Teucrium cubense subsp. depressum) | | Synonym |
Teucrium glandulosum | DESERT GERMANDER | Native |
Teutliopsis patula (Under Atriplex patula) | | Synonym |
Thalictrum ↳ Key to Thalictrum | MEADOW-RUE | |
Thalictrum alpinum | ARCTIC MEADOW-RUE | Native |
Thalictrum fendleri | | Native |
Thalictrum fendleri var. fendleri | | Native |
Thalictrum fendleri var. polycarpum | | Native |
Thalictrum occidentale | | Native |
Thalictrum occidentale var. palousense (Under Thalictrum occidentale) | | Synonym |
Thalictrum polycarpum (Under Thalictrum fendleri var. polycarpum) | | Synonym |
Thalictrum sparsiflorum | | Native |
Thamnosma | TURPENTINE-BROOM | |
Thamnosma montana | | Native |
Thelaia aphylla (Under Pyrola aphylla) | | Synonym |
Thelesperma | GREENTHREAD | |
Thelesperma megapotamicum | RAYLESS GREENTHREAD | Waif |
Thelypodium ↳ Key to Thelypodium | | |
Thelypodium brachycarpum | SHORT-PODDED THELYPODIUM | Native |
Thelypodium cooperi (Under Caulanthus cooperi) | | Synonym |
Thelypodium crispum | | Native |
Thelypodium flavescens (Under Caulanthus flavescens) | | Synonym |
Thelypodium flexuosum | | Native |
Thelypodium howellii subsp. howellii | HOWELL'S THELYPODIUM | Native |
Thelypodium integrifolium | | Native |
Thelypodium integrifolium subsp. affine | | Native |
Thelypodium integrifolium subsp. complanatum | FOXTAIL THELYPODIUM | Native |
Thelypodium jaegeri (Under Hesperidanthus jaegeri) | | Synonym |
Thelypodium laciniatum | | Native |
Thelypodium laciniatum var. milleflorum (Under Thelypodium milleflorum) | | Synonym |
Thelypodium lasiophyllum (Under Caulanthus lasiophyllus) | | Synonym |
Thelypodium lasiophyllum var. inalienum (Under Caulanthus lasiophyllus) | | Synonym |
Thelypodium lasiophyllum var. lasiophyllum (Under Caulanthus lasiophyllus) | | Synonym |
Thelypodium lasiophyllum var. rigidum (Under Caulanthus lasiophyllus) | | Synonym |
Thelypodium lasiophyllum var. utahense (Under Caulanthus lasiophyllus) | | Synonym |
Thelypodium lemmonii (Under Caulanthus anceps) | | Synonym |
Thelypodium milleflorum | MANY-FLOWERED THELYPODIUM | Native |
Thelypodium stenopetalum | SLENDER-PETALED THELYPODIUM | Native |
Thelypteridaceae ↳ Key to Thelypteridaceae | THELYPTERIS FAMILY | |
Thelypteris nevadensis (Under Amauropelta nevadensis) | | Synonym |
Thelypteris puberula var. sonorensis (Under Pelazoneuron puberulum var. sonorense) | | Synonym |
Themidaceae ↳ Key to Themidaceae | BRODIAEA FAMILY | |
Theophrastaceae | THEOPHRASTA FAMILY | |
Thermopsis ↳ Key to Thermopsis | GOLDEN PEA, FALSE-LUPINE | |
Thermopsis argentata (Under Thermopsis californica var. argentata) | | Synonym |
Thermopsis californica | | Native |
Thermopsis californica var. argentata | SILVERY FALSE-LUPINE | Native |
Thermopsis californica var. californica | | Native |
Thermopsis californica var. semota | VELVETY FALSE-LUPINE | Native |
Thermopsis gracilis | | Native |
Thermopsis macrophylla | SANTA YNEZ FALSE-LUPINE | Native |
Thermopsis macrophylla var. agnina (Under Thermopsis macrophylla) | | Synonym |
Thermopsis macrophylla var. argentata (Under Thermopsis californica var. argentata) | | Synonym |
Thermopsis macrophylla var. macrophylla (Under Thermopsis macrophylla) | | Synonym |
Thermopsis macrophylla var. semota (Under Thermopsis californica var. semota) | | Synonym |
Thermopsis macrophylla var. venosa (Under Thermopsis gracilis) | | Synonym |
Thermopsis robusta | ROBUST FALSE-LUPINE | Native |
Thinopyrum intermedium (Under Elymus hispidus) | | Synonym |
Thinopyrum intermedium subsp. barbulatum (Under Elymus hispidus) | | Synonym |
Thinopyrum ponticum (Under Elymus ponticus) | | Synonym |
Thlaspi | PENNYCRESS | |
Thlaspi alpestre var. californicum (Under Noccaea fendleri subsp. californica) | | Synonym |
Thlaspi alpestre var. glaucum (Under Noccaea fendleri subsp. glauca) | | Synonym |
Thlaspi arvense | | Naturalized |
Thlaspi californicum (Under Noccaea fendleri subsp. californica) | | Synonym |
Thlaspi fendleri (Under Noccaea fendleri) | | Synonym |
Thlaspi fendleri var. glaucum (Under Noccaea fendleri subsp. glauca) | | Synonym |
Thlaspi glaucum subsp. californicum (Under Noccaea fendleri subsp. californica) | | Synonym |
Thlaspi montanum var. californicum (Under Noccaea fendleri subsp. californica) | | Synonym |
Thlaspi montanum var. fendleri (Under Noccaea fendleri) | | Synonym |
Thlaspi montanum var. montanum (Under Noccaea fendleri subsp. glauca) | | Synonym |
Thuja | ARBORVITAE | |
Thuja plicata | WESTERN RED CEDAR, CANOE CEDAR | Native |
Thymelaeaceae | DAPHNE FAMILY | |
Thymophylla ↳ Key to Thymophylla | | |
Thymophylla pentachaeta var. belenidium | | Native |
Thymophylla tenuiloba var. tenuiloba | | Waif |
Thysanocarpus ↳ Key to Thysanocarpus | LACEPOD, FRINGEPOD | |
Thysanocarpus amplectens (Under Thysanocarpus curvipes subsp. amplectens) | | Synonym |
Thysanocarpus conchuliferus | SANTA CRUZ ISLAND FRINGEPOD | Native |
Thysanocarpus curvipes | | Native |
Thysanocarpus curvipes (Under Thysanocarpus curvipes subsp. amplectens) | | Synonym, in part |
Thysanocarpus curvipes (Under Thysanocarpus curvipes subsp. curvipes) | | Synonym, in part |
Thysanocarpus curvipes (Under Thysanocarpus curvipes subsp. elegans) | | Synonym, in part |
Thysanocarpus curvipes (Under Thysanocarpus curvipes subsp. eradiatus) | | Synonym, in part |
Thysanocarpus curvipes (Under Thysanocarpus curvipes subsp. longistylus) | | Synonym, in part |
Thysanocarpus curvipes subsp. amplectens | | Native |
Thysanocarpus curvipes subsp. curvipes | | Native |
Thysanocarpus curvipes subsp. elegans | | Native |
Thysanocarpus curvipes subsp. eradiatus | | Native |
Thysanocarpus curvipes subsp. longistylus | | Native |
Thysanocarpus curvipes var. curvipes (Under Thysanocarpus curvipes subsp. curvipes) | | Synonym |
Thysanocarpus curvipes var. eradiatus (Under Thysanocarpus curvipes subsp. eradiatus) | | Synonym |
Thysanocarpus curvipes var. longistylus (Under Thysanocarpus curvipes subsp. longistylus) | | Synonym |
Thysanocarpus desertorum | | Native |
Thysanocarpus elegans (Under Thysanocarpus curvipes subsp. elegans) | | Synonym |
Thysanocarpus laciniatus | | Native |
Thysanocarpus laciniatus var. conchuliferus (Under Thysanocarpus conchuliferus) | | Synonym |
Thysanocarpus laciniatus var. hitchcockii (Under Thysanocarpus desertorum) | | Synonym |
Thysanocarpus laciniatus var. laciniatus (Under Thysanocarpus laciniatus) | | Synonym |
Thysanocarpus laciniatus var. rigidus (Under Thysanocarpus rigidus) | | Synonym |
Thysanocarpus pusillus (Under Athysanus pusillus) | | Synonym |
Thysanocarpus radians | | Native |
Thysanocarpus radians var. montanus (Under Thysanocarpus radians) | | Synonym |
Thysanocarpus rigidus | | Native |
Tiarella | SUGAR-SCOOP | |
Tiarella trifoliata ↳ Key to Tiarella trifoliata | LACE FLOWER | Native |
Tiarella trifoliata var. trifoliata | | Native |
Tiarella trifoliata var. unifoliata | | Native |
Tidestromia ↳ Key to Tidestromia | | |
Tidestromia lanuginosa | WOOLLY TIDESTROMIA | Native |
Tidestromia lanuginosa subsp. eliassoniana (Under Tidestromia lanuginosa) | | Synonym |
Tidestromia oblongifolia (Under Tidestromia suffruticosa var. oblongifolia) | | Synonym |
Tidestromia oblongifolia subsp. cryptantha (Under Tidestromia suffruticosa var. oblongifolia) | | Synonym |
Tidestromia suffruticosa var. oblongifolia | HONEYSWEET | Native |
Tillaea aquatica (Under Crassula aquatica) | | Synonym |
Tillaea erecta (Under Crassula connata) | | Synonym |
Tillaea muscosa (Under Crassula tillaea) | | Synonym |
Tiniaria convolvulus (Under Fallopia convolvulus) | | Synonym |
Tiniaria japonica (Under Fallopia japonica) | | Synonym |
Tiniaria sachalinensis (Under Fallopia sachalinensis) | | Synonym |
Tiquilia ↳ Key to Tiquilia | | |
Tiquilia canescens | SHRUBBY TIQUILIA | Native |
Tiquilia canescens var. canescens | | Native |
Tiquilia canescens var. pulchella | | Native |
Tiquilia nuttallii | ANNUAL TIQUILIA | Native |
Tiquilia palmeri | PALMER'S TIQUILIA | Native |
Tiquilia plicata | FAN-LEAVED TIQUILIA | Native |
Toelkenia ovata (Under Crassula ovata) | | Synonym |
Tofieldia occidentalis subsp. occidentalis (Under Triantha occidentalis subsp. occidentalis) | | Synonym |
Tofieldiaceae | FALSE-ASPHODEL FAMILY | |
Tolmiea | PIG-A-BACK PLANT | |
Tolmiea diplomenziesii | | Native |
Tolpis | | |
Tolpis barbata | | Naturalized |
Tolpis umbellata (Under Tolpis barbata) | | Synonym |
Tonella | | |
Tonella tenella | | Native |
Tonestus ↳ Key to Tonestus | | |
Tonestus eximius | TAHOE TONESTUS | Native |
Tonestus lyallii | LYALL'S TONESTUS | Native |
Tonestus peirsonii | PEIRSON'S TONESTUS | Native |
Torilis ↳ Key to Torilis | | |
Torilis arvensis | TALL SOCK-DESTROYER | Naturalized |
Torilis arvensis subsp. purpurea (Under Torilis arvensis) | | Synonym |
Torilis nodosa | SHORT SOCK-DESTROYER | Naturalized |
Torreya | TORREYA | |
Torreya californica | CALIFORNIA-NUTMEG | Native |
Torreya myristica (Under Torreya californica) | | Synonym |
Torreyochloa ↳ Key to Torreyochloa | FALSE MANNA GRASS | |
Torreyochloa erecta | | Native |
Torreyochloa pallida var. pauciflora | WEAK MANNA GRASS | Native |
Torreyostellaria | | |
Torreyostellaria jamesiana | TUBER STARWORT | Native |
Townsendia ↳ Key to Townsendia | | |
Townsendia condensata | CUSHION TOWNSENDIA | Native |
Townsendia leptotes | SLENDER TOWNSENDIA | Native |
Townsendia scapigera | | Native |
Toxicodendron | POISON OAK, POISON IVY | |
Toxicodendron diversilobum | WESTERN POISON OAK | Native |
Toxicodendron trilobatum (Under Rhus aromatica) | | Synonym |
Toxicodendron triphyllum var. trilobatum (Under Rhus aromatica) | | Invalid name |
Toxicoscordion ↳ Key to Toxicoscordion | DEATH CAMAS | |
Toxicoscordion brevibracteatum | | Native |
Toxicoscordion exaltatum | | Native |
Toxicoscordion fontanum | | Native |
Toxicoscordion fremontii | | Native |
Toxicoscordion micranthum | | Native |
Toxicoscordion paniculatum | | Native |
Toxicoscordion venenosum var. venenosum | | Native |
Tracyina | | |
Tracyina rostrata | BEAKED TRACYINA | Native |
Tradescantia ↳ Key to Tradescantia | | |
Tradescantia fluminensis | | Naturalized |
Tradescantia ohiensis | | Waif |
Tradescantia virginiana (Under Tradescantia ohiensis) | | Misapplied name |
Tragia | NOSEBURN | |
Tragia ramosa | DESERT TRAGIA | Native |
Tragia stylaris (Under Tragia ramosa) | | Synonym |
Tragopogon ↳ Key to Tragopogon | GOAT'S BEARD, SALSIFY | |
Tragopogon dubius | YELLOW SALSIFY | Naturalized |
Tragopogon porrifolius | SALSIFY, OYSTER PLANT | Naturalized |
Tragopogon pratensis | MEADOW SALSIFY | Naturalized |
Transberingia | | |
Transberingia bursifolia subsp. virgata | VIRGATE HALIMOLOBOS | Native |
Trautvetteria | | |
Trautvetteria caroliniensis | | Native |
Trautvetteria caroliniensis var. occidentalis (Under Trautvetteria caroliniensis) | | Synonym |
Trautvetteria grandis (Under Trautvetteria caroliniensis) | | Synonym |
Triadica | TALLOWTREE | |
Triadica sebifera | CHINESE TALLOWTREE | Naturalized |
Triantha | | |
Triantha occidentalis subsp. occidentalis | | Native |
Trianthema | HORSE-PURSLANE | |
Trianthema portulacastrum | | Native |
Tribulus | PUNCTURE VINE, CALTROP | |
Tribulus terrestris | | Naturalized |
Tricardia | | |
Tricardia watsonii | | Native |
Trichachne californica (Under Digitaria californica var. californica) | | Synonym |
Trichocoronis | | |
Trichocoronis riparia (Under Trichocoronis wrightii var. wrightii) | | Synonym |
Trichocoronis wrightii var. wrightii | WRIGHT'S TRICHOCORONIS | Native or naturalized |
Tricholaena rosea (Under Melinis repens subsp. repens) | | Synonym |
Trichophorum ↳ Key to Trichophorum | | |
Trichophorum clementis | | Native |
Trichophorum emergens (Under Trichophorum pumilum) | | Synonym |
Trichophorum pumilum | LITTLE BULRUSH | Native |
Trichophorum pumilum var. rollandii (Under Trichophorum pumilum) | | Synonym |
Trichoptilium | | |
Trichoptilium incisum | | Native |
Trichostema ↳ Key to Trichostema | BLUE CURLS | |
Trichostema austromontanum | | Native |
Trichostema austromontanum subsp. austromontanum | | Native |
Trichostema austromontanum subsp. compactum | HIDDEN LAKE BLUECURLS | Native |
Trichostema lanatum | WOOLLY BLUE CURLS | Native |
Trichostema lanceolatum | VINEGAR WEED | Native |
Trichostema laxum | TURPENTINE WEED | Native |
Trichostema micranthum | SMALL-FLOWERED BLUECURLS | Native |
Trichostema oblongum | | Native |
Trichostema ovatum | SAN JOAQUIN BLUECURLS | Native |
Trichostema parishii | | Native |
Trichostema rubisepalum | HERNANDEZ BLUECURLS | Native |
Trichostema ruygtii | NAPA BLUECURLS | Native |
Trichostema simulatum | | Native |
Tridens | | |
Tridens muticus var. muticus | SLIM TRIDENS | Native |
Tridens pilosus (Under Erioneuron pilosum) | | Synonym |
Tridens pulchellus (Under Dasyochloa pulchella) | | Synonym |
Trientalis arctica (Under Lysimachia europaea) | | Synonym |
Trientalis borealis subsp. latifolia (Under Lysimachia latifolia) | | Synonym |
Trientalis europaea (Under Lysimachia europaea) | | Synonym |
Trientalis europaea subsp. arctica (Under Lysimachia europaea) | | Synonym |
Trientalis latifolia (Under Lysimachia latifolia) | | Synonym |
Trifolium ↳ Key to Trifolium | CLOVER | |
Trifolium agrarium (Under Trifolium aureum) | | Misapplied name |
Trifolium albopurpureum | | Native |
Trifolium albopurpureum var. albopurpureum (Under Trifolium albopurpureum) | | Synonym |
Trifolium albopurpureum var. columbinum (Under Trifolium columbinum) | | Synonym |
Trifolium albopurpureum var. dichotomum (Under Trifolium dichotomum) | | Synonym |
Trifolium albopurpureum var. olivaceum (Under Trifolium columbinum) | | Synonym |
Trifolium alexandrinum | EGYPTIAN CLOVER | Waif |
Trifolium amoenum | TWO-FORK CLOVER | Native |
Trifolium amplectens (Under Trifolium depauperatum var. amplectens) | | Synonym |
Trifolium amplectens var. hydrophilum (Under Trifolium hydrophilum) | | Synonym |
Trifolium amplectens var. truncatum (Under Trifolium depauperatum var. truncatum) | | Synonym |
Trifolium andersonii | | Native |
Trifolium andersonii subsp. andersonii | ANDERSON'S CLOVER | Native |
Trifolium andersonii subsp. beatleyae | BEATLEY'S FIVE-LEAVED CLOVER | Native |
Trifolium andersonii subsp. monoense (Under Trifolium andersonii subsp. beatleyae) | | Synonym |
Trifolium andersonii var. andersonii (Under Trifolium andersonii subsp. andersonii) | | Synonym |
Trifolium andersonii var. beatleyae (Under Trifolium andersonii subsp. beatleyae) | | Synonym |
Trifolium angustifolium | NARROW-LEAVED CLOVER | Naturalized |
Trifolium appendiculatum | LARGE VARIEGATED CLOVER | Native |
Trifolium appendiculatum var. appendiculatum (Under Trifolium appendiculatum) | | Synonym |
Trifolium appendiculatum var. rostratum (Under Trifolium variegatum) | | Synonym |
Trifolium arvense | RABBITFOOT CLOVER | Naturalized |
Trifolium aureum | LARGE HOP CLOVER | Naturalized |
Trifolium barbigerum | BEARDED CLOVER | Native |
Trifolium barbigerum var. andrewsii (Under Trifolium grayi) | | Synonym |
Trifolium barbigerum var. barbigerum (Under Trifolium barbigerum) | | Synonym |
Trifolium beckwithii | BECKWITH'S CLOVER | Native |
Trifolium bifidum | PINOLE CLOVER | Native |
Trifolium bifidum var. bifidum (Under Trifolium bifidum) | | Synonym |
Trifolium bifidum var. decipiens (Under Trifolium bifidum) | | Synonym |
Trifolium bolanderi | BOLANDER'S CLOVER | Native |
Trifolium breweri | BREWER'S CLOVER | Native |
Trifolium buckwestiorum | SANTA CRUZ CLOVER | Native |
Trifolium campestre | HOP CLOVER | Naturalized |
Trifolium cernuum | NODDING CLOVER | Naturalized |
Trifolium ciliolatum | FOOTHILL CLOVER | Native |
Trifolium columbinum | OLIVE CLOVER | Native |
Trifolium cyathiferum | BOWL CLOVER | Native |
Trifolium dedeckerae | DEDECKER'S CLOVER | Native |
Trifolium depauperatum | | Native |
Trifolium depauperatum var. amplectens | PALE SACK CLOVER | Native |
Trifolium depauperatum var. depauperatum | DWARF SACK CLOVER | Native |
Trifolium depauperatum var. hydrophilum (Under Trifolium hydrophilum) | | Synonym |
Trifolium depauperatum var. truncatum | TRUNCATE SACK CLOVER | Native |
Trifolium dichotomum | | Native |
Trifolium dubium | LITTLE HOP CLOVER | Naturalized |
Trifolium elmeri (Under Trifolium longipes subsp. elmeri) | | Synonym |
Trifolium eriocephalum subsp. eriocephalum | HAIRY HEAD CLOVER | Native |
Trifolium eriocephalum var. eriocephalum (Under Trifolium eriocephalum subsp. eriocephalum) | | Synonym |
Trifolium fragiferum | STRAWBERRY CLOVER | Naturalized |
Trifolium fucatum | BULL CLOVER | Native |
Trifolium fucatum var. gambelii (Under Trifolium fucatum) | | Synonym |
Trifolium fucatum var. virescens (Under Trifolium fucatum) | | Synonym |
Trifolium gemellum (Under Trifolium striatum) | | Misapplied name |
Trifolium geminiflorum (Under Trifolium variegatum) | | Synonym |
Trifolium glomeratum | CLUSTERED CLOVER | Naturalized |
Trifolium gracilentum | PINPOINT CLOVER | Native |
Trifolium gracilentum var. gracilentum (Under Trifolium gracilentum) | | Synonym |
Trifolium gracilentum var. inconspicuum (Under Trifolium gracilentum) | | Synonym |
Trifolium gracilentum var. palmeri (Under Trifolium palmeri) | | Synonym |
Trifolium grayi | GRAY'S CLOVER | Native |
Trifolium gymnocarpon | NUTTALL'S CLOVER | Native |
Trifolium gymnocarpon subsp. plummerae (Under Trifolium gymnocarpon) | | Synonym |
Trifolium gymnocarpon var. plummerae (Under Trifolium gymnocarpon) | | Synonym |
Trifolium hirtum | ROSE CLOVER | Naturalized |
Trifolium howellii | HOWELL'S CLOVER | Native |
Trifolium hybridum | ALSIKE CLOVER | Naturalized |
Trifolium hydrophilum | SALINE CLOVER | Native |
Trifolium incarnatum | CRIMSON CLOVER | Naturalized |
Trifolium jokerstii | BUTTE COUNTY GOLDEN CLOVER | Native |
Trifolium kingii subsp. dedeckerae (Under Trifolium dedeckerae) | | Synonym |
Trifolium kingii var. productum (Under Trifolium productum) | | Synonym |
Trifolium lemmonii | LEMMON'S CLOVER | Native |
Trifolium longipes | LONG-STALKED CLOVER | Native |
Trifolium longipes subsp. atrorubens | | Native |
Trifolium longipes subsp. elmeri | ELMER'S CLOVER | Native |
Trifolium longipes subsp. hansenii | | Native |
Trifolium longipes subsp. multipedunculatum | | Native |
Trifolium longipes subsp. oreganum | | Native |
Trifolium longipes subsp. shastense | | Native |
Trifolium longipes var. atrorubens (Under Trifolium longipes subsp. atrorubens) | | Synonym |
Trifolium longipes var. elmeri (Under Trifolium longipes subsp. elmeri) | | Synonym |
Trifolium longipes var. hansenii (Under Trifolium longipes subsp. hansenii) | | Synonym |
Trifolium longipes var. multipedunculatum (Under Trifolium longipes subsp. multipedunculatum) | | Synonym |
Trifolium longipes var. nevadense (Under Trifolium longipes subsp. hansenii) | | Synonym |
Trifolium longipes var. oreganum (Under Trifolium longipes subsp. oreganum) | | Synonym |
Trifolium longipes var. shastense (Under Trifolium longipes subsp. shastense) | | Synonym |
Trifolium macilentum var. dedeckerae (Under Trifolium dedeckerae) | | Synonym |
Trifolium macraei | MACRAE'S CLOVER | Native |
Trifolium macrocephalum | LARGE-HEAD CLOVER | Native |
Trifolium microcephalum | SMALL-HEAD CLOVER | Native |
Trifolium microdon | THIMBLE CLOVER | Native |
Trifolium microdon var. pilosum (Under Trifolium microdon) | | Synonym |
Trifolium minutissimum (Under Trifolium barbigerum) | | Synonym |
Trifolium monanthum | | Native |
Trifolium monanthum subsp. grantianum | GRANT'S CARPET CLOVER | Native |
Trifolium monanthum subsp. monanthum | CARPET CLOVER | Native |
Trifolium monanthum subsp. parvum | SMALL CARPET CLOVER | Native |
Trifolium monanthum subsp. tenerum | DELICATE CARPET CLOVER | Native |
Trifolium monanthum var. eastwoodianum (Under Trifolium monanthum subsp. tenerum) | | Synonym |
Trifolium monanthum var. grantianum (Under Trifolium monanthum subsp. grantianum) | | Synonym |
Trifolium monanthum var. monanthum (Under Trifolium monanthum subsp. monanthum) | | Synonym |
Trifolium monanthum var. parvum (Under Trifolium monanthum subsp. parvum) | | Synonym |
Trifolium monoense (Under Trifolium andersonii subsp. beatleyae) | | Synonym |
Trifolium multicaule (Under Trifolium monanthum subsp. parvum) | | Synonym |
Trifolium obtusiflorum | CLAMMY CLOVER | Native |
Trifolium oliganthum | FEW-FLOWERED CLOVER | Native |
Trifolium olivaceum (Under Trifolium columbinum) | | Synonym |
Trifolium oreganum (Under Trifolium longipes subsp. oreganum) | | Synonym |
Trifolium palmeri | SOUTHERN ISLAND CLOVER | Native |
Trifolium pauciflorum (Under Trifolium variegatum) | | Synonym |
Trifolium piorkowskii | MAVERICK CLOVER | Native |
Trifolium plummerae (Under Trifolium gymnocarpon) | | Synonym |
Trifolium polyodon | PACIFIC GROVE CLOVER | Native |
Trifolium pratense | RED CLOVER | Naturalized |
Trifolium procumbens (Under Trifolium campestre) | | Synonym |
Trifolium productum | PRODUCTIVE CLOVER | Native |
Trifolium repens | WHITE CLOVER | Naturalized |
Trifolium resupinatum | REVERSED CLOVER | Naturalized |
Trifolium retusum | TEASEL CLOVER | Naturalized |
Trifolium rusbyi var. atrorubens (Under Trifolium longipes subsp. atrorubens) | | Synonym |
Trifolium siskiyouense | SISKIYOU CLOVER | Native |
Trifolium striatum | KNOTTED CLOVER | Naturalized |
Trifolium subterraneum | SUBTERRANEAN CLOVER | Naturalized |
Trifolium suffocatum | SMALL CLUSTER CLOVER | Naturalized |
Trifolium tomentosum | WOOLLY CLOVER | Naturalized |
Trifolium tomentosum var. tomentosum (Under Trifolium tomentosum) | | Synonym |
Trifolium trichocalyx | MONTEREY CLOVER | Native |
Trifolium tridentatum (Under Trifolium willdenovii) | | Synonym |
Trifolium tridentatum var. aciculare (Under Trifolium willdenovii) | | Synonym |
Trifolium variegatum | | Native |
Trifolium variegatum var. geminiflorum (Under Trifolium variegatum) | | Synonym |
Trifolium variegatum var. major (Under Trifolium appendiculatum) | | Synonym |
Trifolium variegatum var. melananthum (Under Trifolium appendiculatum) | | Synonym |
Trifolium variegatum var. pauciflorum (Under Trifolium variegatum) | | Synonym |
Trifolium variegatum var. trilobatum (Under Trifolium variegatum) | | Synonym |
Trifolium vesiculosum | ARROWLEAF CLOVER | Naturalized |
Trifolium willdenovii | TOMCAT CLOVER | Native |
Trifolium wormskioldii | COW CLOVER | Native |
Trifolium wormskioldii var. siskiyouense (Under Trifolium siskiyouense) | | Synonym |
Triglochin ↳ Key to Triglochin | ARROW-GRASS | |
Triglochin concinna | | Native |
Triglochin concinna var. concinna | SEASIDE ARROW-GRASS | Native |
Triglochin concinna var. debilis | | Native |
Triglochin maritima | COMMON ARROW-GRASS | Native |
Triglochin palustris | MARSH ARROW-GRASS | Native |
Triglochin scilloides | FLOWERING-QUILLWORT | Native |
Triglochin striata | THREE-RIBBED ARROW-GRASS | Native |
Trillium ↳ Key to Trillium | WAKEROBIN, TRILLIUM | |
Trillium albidum | | Native |
Trillium angustipetalum | | Native |
Trillium chloropetalum | GIANT TRILLIUM | Native |
Trillium chloropetalum var. angustipetalum (Under Trillium angustipetalum) | | Synonym |
Trillium chloropetalum var. giganteum (Under Trillium chloropetalum) | | Synonym |
Trillium kurabayashii (Under Trillium angustipetalum) | | Synonym |
Trillium ovatum | WHITE or WESTERN TRILLIUM | Native |
Trillium ovatum subsp. oettingeri | SALMON MOUNTAINS WAKEROBIN | Native |
Trillium ovatum subsp. ovatum | | Native |
Trillium rivale (Under Pseudotrillium rivale) | | Synonym |
Trimorpha acris var. debilis (Under Erigeron nivalis) | | Synonym |
Trimorpha lonchophylla (Under Erigeron lonchophyllus) | | Synonym |
Triodanis ↳ Key to Triodanis | VENUS LOOKING-GLASS | |
Triodanis biflora | | Native |
Triodanis perfoliata | | Native |
Triphysaria ↳ Key to Triphysaria | | |
Triphysaria eriantha | BUTTER-AND-EGGS, JOHNNY-TUCK | Native |
Triphysaria eriantha subsp. eriantha | | Native |
Triphysaria eriantha subsp. rosea | | Native |
Triphysaria floribunda | SAN FRANCISCO OWL'S-CLOVER | Native |
Triphysaria micrantha | | Native |
Triphysaria pusilla | | Native |
Triphysaria versicolor | | Native |
Triphysaria versicolor subsp. faucibarbata | | Native |
Triphysaria versicolor subsp. versicolor | | Native |
Tripleurospermum | | |
Tripleurospermum inodorum | SCENTLESS MAYWEED, FALSE CHAMOMILE | Naturalized |
Tripleurospermum maritimum (Under Tripleurospermum inodorum) | | Misapplied name |
Tripterocalyx ↳ Key to Tripterocalyx | | |
Tripterocalyx crux-maltae | KELLOGG'S SAND-VERBENA | Native |
Tripterocalyx micranthus | SMALL-FLOWERED SAND-VERBENA | Native |
Trisetum ↳ Key to Trisetum | | |
Trisetum canescens | TALL FALSE OAT | Native |
Trisetum cernuum | NODDING FALSE OAT | Native |
Trisetum cernuum var. canescens (Under Trisetum canescens) | | Synonym |
Trisetum cernuum var. projectum (Under Trisetum projectum) | | Synonym |
Trisetum montanum (Under Trisetum spicatum) | | Synonym |
Trisetum projectum | INTERRUPTED FALSE OAT | Native |
Trisetum spicatum | SPIKE FALSE OAT | Native |
Trisetum spicatum var. projectum (Under Trisetum projectum) | | Synonym |
Trisetum spicatum var. spicatum (Under Trisetum spicatum) | | Synonym |
Trisetum wolfii | WOLF'S FALSE OAT | Native |
Triteleia ↳ Key to Triteleia | | |
Triteleia angustiflora (Under Triteleia laxa) | | Synonym |
Triteleia anilina (Under Triteleia ixioides subsp. anilina) | | Synonym |
Triteleia bicolor (Under Triteleia grandiflora) | | Synonym |
Triteleia bridgesii | | Native |
Triteleia candida (Under Triteleia laxa) | | Synonym |
Triteleia clementina | SAN CLEMENTE ISLAND TRITELEIA | Native |
Triteleia crocea | | Native |
Triteleia crocea var. modesta (Under Triteleia crocea) | | Synonym |
Triteleia dudleyi | | Native |
Triteleia gracilis (Under Triteleia montana) | | Illegitimate name |
Triteleia grandiflora | LARGE-FLOWERED TRITELEIA | Native |
Triteleia grandiflora subsp. howellii (Under Triteleia grandiflora) | | Synonym ined. |
Triteleia grandiflora var. howellii (Under Triteleia grandiflora) | | Synonym |
Triteleia hendersonii | | Native |
Triteleia hendersonii var. leachiae (Under Triteleia hendersonii) | | Synonym |
Triteleia howellii (Under Triteleia grandiflora) | | Synonym |
Triteleia hyacinthina | WHITE BRODIAEA, FOOL'S ONION | Native |
Triteleia hyacinthina var. greenei (Under Triteleia lilacina) | | Synonym |
Triteleia ixioides | | Native |
Triteleia ixioides subsp. anilina | PRETTY FACE | Native |
Triteleia ixioides subsp. cookii | COOK'S TRITELEIA | Native |
Triteleia ixioides subsp. ixioides | GOLDEN BRODIAEA | Native |
Triteleia ixioides subsp. scabra | | Native |
Triteleia ixioides subsp. unifolia | | Native |
Triteleia ixioides var. anilina (Under Triteleia ixioides subsp. anilina) | | Synonym |
Triteleia ixioides var. cookii (Under Triteleia ixioides subsp. cookii) | | Synonym |
Triteleia ixioides var. scabra (Under Triteleia ixioides subsp. scabra) | | Synonym |
Triteleia lactea (Under Triteleia hyacinthina) | | Synonym |
Triteleia laxa | ITHURIEL'S SPEAR, COMMON TRITELEIA | Native |
Triteleia lilacina | | Native |
Triteleia lugens | DARK-MOUTHED TRITELEIA | Native |
Triteleia modesta (Under Triteleia crocea) | | Synonym |
Triteleia montana | MOUNTAIN TRITELEIA | Native |
Triteleia peduncularis | LONG-RAYED BRODIAEA | Native |
Triteleia piutensis | PIUTE MOUNTAINS TRITELEIA | Native |
Triteleia scabra (Under Triteleia ixioides subsp. scabra) | | Synonym |
Triteleia uniflora (Under Ipheion uniflorum) | | Synonym |
Triticum | WHEAT, GOAT GRASS | |
Triticum aestivum | | Naturalized |
Trixis | | |
Trixis californica var. californica | | Native |
Tropaeolaceae | NASTURTIUM FAMILY | |
Tropaeolum | | |
Tropaeolum majus | GARDEN NASTURTIUM | Naturalized |
Tropidocarpum ↳ Key to Tropidocarpum | | |
Tropidocarpum californicum | KINGS GOLD | Native |
Tropidocarpum capparideum | CAPER-FRUITED TROPIDOCARPUM | Native |
Tropidocarpum gracile | | Native |
Tropidocarpum gracile var. dubium (Under Tropidocarpum gracile) | | Synonym |
Tsuga ↳ Key to Tsuga | HEMLOCK | |
Tsuga heterophylla | WESTERN HEMLOCK | Native |
Tsuga mertensiana | MOUNTAIN HEMLOCK | Native |
Tuberaria | | |
Tuberaria guttata | | Naturalized |
Tuctoria ↳ Key to Tuctoria | | |
Tuctoria greenei | GREENE'S TUCTORIA | Native |
Tuctoria mucronata | CRAMPTON'S TUCTORIA, SOLANO GRASS | Native |
Tulipa | | |
Tulipa clusiana | TULIP | Naturalized |
Tumion californicum (Under Torreya californica) | | Synonym |
Tunica prolifera (Under Petrorhagia prolifera) | | Synonym |
Turricula parryi (Under Eriodictyon parryi) | | Synonym |
Turritis | TOWER MUSTARD | |
Turritis glabra | | Native |
Twisselmannia californica (Under Tropidocarpum californicum) | | Synonym |
Typha ↳ Key to Typha | CATTAIL | |
Typha angustifolia | NARROW-LEAVED CATTAIL | Native or naturalized |
Typha domingensis | SOUTHERN CATTAIL | Native |
Typha latifolia | BROAD-LEAVED CATTAIL | Native |
Typhaceae ↳ Key to Typhaceae | CATTAIL FAMILY | |
Ulex | GORSE, FURZE | |
Ulex europaea (Under Ulex europaeus) | | Orthographic variant |
Ulex europaeus | | Naturalized |
Ulmaceae | ELM FAMILY | |
Ulmus ↳ Key to Ulmus | ELM | |
Ulmus americana | AMERICAN ELM | Waif |
Ulmus carpinifolia (Under Ulmus minor) | | Synonym |
Ulmus minor | ENGLISH ELM | Waif |
Ulmus parvifolia | CHINESE ELM, LACEBARK ELM | Naturalized |
Ulmus procera (Under Ulmus minor) | | Synonym |
Ulmus pumila | SIBERIAN ELM | Naturalized |
Umbellularia | CALIFORNIA BAY, CALIFORNIA LAUREL, PEPPERWOOD | |
Umbellularia californica | | Native |
Umbellularia californica var. fresnensis (Under Umbellularia californica) | | Synonym |
Uropappus | SILVERPUFFS | |
Uropappus lindleyi | | Native |
Urospermum | | |
Urospermum picroides | | Naturalized |
Urtica ↳ Key to Urtica | STINGING NETTLE | |
Urtica californica (Under Urtica dioica subsp. gracilis) | | Synonym |
Urtica dioica | | Native |
Urtica dioica subsp. gracilis | AMERICAN STINGING NETTLE | Native |
Urtica dioica subsp. holosericea | HOARY NETTLE | Native |
Urtica gracilis (Under Urtica dioica subsp. gracilis) | | Synonym |
Urtica holosericea (Under Urtica dioica subsp. holosericea) | | Synonym |
Urtica lyallii (Under Urtica dioica subsp. gracilis) | | Synonym |
Urtica urens | DWARF NETTLE | Naturalized |
Urticaceae ↳ Key to Urticaceae | NETTLE FAMILY | |
Utricularia ↳ Key to Utricularia | BLADDERWORT | |
Utricularia biflora (Under Utricularia gibba) | | Synonym |
Utricularia cleistogama (Under Utricularia subulata) | | Synonym |
Utricularia exoleta (Under Utricularia gibba) | | Synonym |
Utricularia fibrosa (Under Utricularia gibba) | | Synonym |
Utricularia gibba | | Native |
Utricularia intermedia | FLAT-LEAVED BLADDERWORT | Native |
Utricularia macrorhiza | COMMON BLADDERWORT | Native |
Utricularia minor | LESSER BLADDERWORT | Native |
Utricularia ochroleuca | CREAM-FLOWERED BLADDERWORT | Native |
Utricularia stygia (Under Utricularia ochroleuca) | | Synonym |
Utricularia subulata | | Naturalized |
Utricularia vulgaris subsp. macrorhiza (Under Utricularia macrorhiza) | | Synonym |
Utricularia vulgaris var. americana (Under Utricularia macrorhiza) | | Synonym |
Vaccaria hispanica (Under Gypsophila vaccaria) | | Synonym |
Vaccaria segetalis (Under Gypsophila vaccaria) | | Synonym |
Vaccinium ↳ Key to Vaccinium | BLUEBERRY, HUCKLEBERRY | |
Vaccinium arbuscula (Under Vaccinium cespitosum) | | Synonym |
Vaccinium caespitosum (Under Vaccinium cespitosum) | | Orthographic variant |
Vaccinium cespitosum | DWARF BILBERRY | Native |
Vaccinium deliciosum | CASCADE BILBERRY | Native |
Vaccinium macrocarpon | CRANBERRY | Naturalized |
Vaccinium membranaceum | THINLEAF HUCKLEBERRY | Native |
Vaccinium nivictum (Under Vaccinium cespitosum) | | Synonym |
Vaccinium occidentale (Under Vaccinium uliginosum subsp. occidentale) | | Synonym |
Vaccinium ovatum | CALIFORNIA HUCKLEBERRY | Native |
Vaccinium ovatum var. saporosum (Under Vaccinium ovatum) | | Synonym |
Vaccinium parvifolium | RED HUCKLEBERRY | Native |
Vaccinium scoparium | LITTLE-LEAVED HUCKLEBERRY | Native |
Vaccinium shastense | | Native |
Vaccinium shastense subsp. nevadense | SIERRA HUCKLEBERRY | Native |
Vaccinium shastense subsp. shastense | SHASTA HUCKLEBERRY | Native |
Vaccinium uliginosum subsp. occidentale | WESTERN BLUEBERRY | Native |
Vachellia | | |
Vachellia farnesiana ↳ Key to Vachellia farnesiana | SWEET ACACIA | Naturalized |
Vachellia farnesiana var. farnesiana | | Naturalized |
Vachellia farnesiana var. minuta | | Naturalized |
Vahlodea | MOUNTAIN HAIR GRASS | |
Vahlodea atropurpurea | | Native |
Valeriana ↳ Key to Valeriana | VALERIAN | |
Valeriana californica | | Native |
Valeriana capitata subsp. californica (Under Valeriana californica) | | Synonym |
Valeriana hookeri (Under Valeriana sitchensis subsp. scouleri) | | Synonym |
Valeriana occidentalis | WESTERN VALERIAN | Native |
Valeriana pubicarpa | | Native |
Valeriana scouleri (Under Valeriana sitchensis subsp. scouleri) | | Illegitimate name |
Valeriana sitchensis | | Native |
Valeriana sitchensis subsp. scouleri | | Native |
Valeriana sitchensis subsp. sitchensis | | Native |
Valerianaceae ↳ Key to Valerianaceae | VALERIAN FAMILY | |
Valerianella ↳ Key to Valerianella | CORN SALAD | |
Valerianella carinata | | Naturalized |
Valerianella locusta | | Naturalized |
Valerianella olitoria (Under Valerianella locusta) | | Synonym |
Vancouveria ↳ Key to Vancouveria | INSIDE-OUT-FLOWER | |
Vancouveria chrysantha | SISKIYOU INSIDE-OUT-FLOWER | Native |
Vancouveria hexandra | | Native |
Vancouveria parviflora (Under Vancouveria planipetala) | | Synonym |
Vancouveria planipetala | REDWOOD IVY | Native |
Veatchia crystallina (Under Triteleia hyacinthina) | | Synonym |
Velezia rigida (Under Dianthus nudiflorus) | | Synonym |
Venegasia | CANYON-SUNFLOWER | |
Venegasia carpesioides | | Native |
Ventenata | | |
Ventenata dubia | NORTH AFRICA GRASS | Naturalized |
Veratrum ↳ Key to Veratrum | CORN LILY, FALSE-HELLEBORE | |
Veratrum californicum var. californicum | | Native |
Veratrum californicum var. caudatum (Under Veratrum californicum var. californicum) | | Synonym |
Veratrum fimbriatum | FRINGED FALSE-HELLEBORE | Native |
Veratrum insolitum | SISKIYOU FALSE-HELLEBORE | Native |
Veratrum viride | | Native |
Veratrum viride var. eschscholzianum (Under Veratrum viride) | | Synonym |
Verbascum ↳ Key to Verbascum | MULLEIN | |
Verbascum blattaria | MOTH MULLEIN | Naturalized |
Verbascum bombyciferum | GIANT SILVER MULLEIN | Naturalized |
Verbascum speciosum | SHOWY MULLEIN | Naturalized |
Verbascum thapsus | WOOLLY MULLEIN | Naturalized |
Verbascum virgatum | WAND MULLEIN | Naturalized |
Verbena ↳ Key to Verbena | VERVAIN | |
Verbena abramsii (Under Verbena lasiostachys var. lasiostachys) | | Synonym |
Verbena bonariensis | | Naturalized |
Verbena bonariensis var. bonariensis (Under Verbena bonariensis) | | Synonym |
Verbena bonariensis var. conglomerata (Under Verbena bonariensis) | | Synonym |
Verbena bracteata | | Native |
Verbena brasiliensis (Under Verbena litoralis) | | Synonym |
Verbena californica | RED HILLS VERVAIN | Native |
Verbena gooddingii | | Native |
Verbena gooddingii var. nepetifolia (Under Verbena gooddingii) | | Synonym |
Verbena hastata | | Native |
Verbena hastata var. scabra (Under Verbena hastata) | | Synonym |
Verbena incompta (Under Verbena bonariensis) | | Synonym |
Verbena lasiostachys | | Native |
Verbena lasiostachys var. lasiostachys | | Native |
Verbena lasiostachys var. scabrida | | Native |
Verbena litoralis | | Naturalized |
Verbena litoralis var. brasiliensis (Under Verbena litoralis) | | Synonym |
Verbena menthifolia | | Native |
Verbena pulchella | | Naturalized |
Verbena robusta (Under Verbena lasiostachys var. scabrida) | | Synonym |
Verbena scabra | | Native |
Verbena tenuisecta (Under Verbena pulchella) | | Synonym |
Verbenaceae ↳ Key to Verbenaceae | VERVAIN FAMILY | |
Verbesina ↳ Key to Verbesina | CROWNBEARD | |
Verbesina dissita | BIG-LEAVED CROWNBEARD | Native |
Verbesina encelioides subsp. exauriculata | GOLDEN CROWNBEARD | Naturalized |
Verbesina encelioides var. exauriculata (Under Verbesina encelioides subsp. exauriculata) | | Synonym |
Veronica ↳ Key to Veronica | SPEEDWELL, BROOKLIME | |
Veronica alpina var. alterniflora (Under Veronica wormskjoldii) | | Synonym |
Veronica americana | AMERICAN BROOKLIME | Native |
Veronica anagallis-aquatica | WATER SPEEDWELL | Naturalized |
Veronica arvensis | | Naturalized |
Veronica catenata | CHAIN SPEEDWELL | Native |
Veronica comosa (Under Veronica catenata) | | Synonym |
Veronica copelandii | COPELAND'S SPEEDWELL | Native |
Veronica cusickii | CUSICK'S SPEEDWELL | Native |
Veronica peregrina subsp. xalapensis | PURSLANE SPEEDWELL | Native |
Veronica persica | PERSIAN SPEEDWELL | Naturalized |
Veronica scutellata | MARSH SPEEDWELL | Native |
Veronica serpyllifolia subsp. humifusa | | Native |
Veronica triphyllos | | Waif |
Veronica wormskjoldii | AMERICAN ALPINE SPEEDWELL | Native |
Viburnaceae ↳ Key to Viburnaceae | MUSKROOT FAMILY | |
Viburnum ↳ Key to Viburnum | | |
Viburnum edule (Under Viburnum opulus) | | Misapplied name |
Viburnum ellipticum | OVAL-LEAVED VIBURNUM | Native |
Viburnum opulus | CRANBERRYBUSH | Naturalized |
Viburnum rigidum | | Naturalized |
Vicia ↳ Key to Vicia | VETCH | |
Vicia americana subsp. americana | AMERICAN VETCH | Native |
Vicia americana subsp. oregana (Under Vicia americana subsp. americana) | | Synonym |
Vicia americana var. americana (Under Vicia americana subsp. americana) | | Synonym |
Vicia americana var. linearis (Under Vicia americana subsp. americana) | | Synonym |
Vicia americana var. truncata (Under Vicia americana subsp. americana) | | Synonym |
Vicia angustifolia (Under Vicia sativa subsp. nigra) | | Synonym |
Vicia benghalensis | PURPLE VETCH | Naturalized |
Vicia bithynica | BITHYNIAN VETCH | Waif |
Vicia californica (Under Vicia americana subsp. americana) | | Synonym |
Vicia cracca | BIRD VETCH | Waif |
Vicia dasycarpa (Under Vicia villosa subsp. varia) | | Synonym |
Vicia disperma | TWO-SEEDED VETCH | Waif |
Vicia exigua var. exigua (Under Vicia ludoviciana subsp. ludoviciana) | | Synonym |
Vicia exigua var. hassei (Under Vicia hassei) | | Synonym |
Vicia faba | FAVA BEAN, BROAD BEAN, HORSE BEAN | Waif |
Vicia gigantea | GIANT VETCH | Native |
Vicia hassei | SLENDER VETCH | Native |
Vicia hirsuta | | Naturalized |
Vicia lathyroides | | Waif |
Vicia ludoviciana subsp. ludoviciana | DEERPEA VETCH | Native |
Vicia ludoviciana var. ludoviciana (Under Vicia ludoviciana subsp. ludoviciana) | | Synonym |
Vicia lutea | YELLOW VETCH | Naturalized |
Vicia nigricans var. gigantea (Under Vicia gigantea) | | Synonym |
Vicia pannonica | HUNGARIAN VETCH | Waif |
Vicia sativa | | Naturalized |
Vicia sativa subsp. nigra | NARROW-LEAVED VETCH | Naturalized |
Vicia sativa subsp. sativa | SPRING VETCH | Naturalized |
Vicia tetrasperma | SPARROW VETCH | Naturalized |
Vicia villosa | HAIRY VETCH, WINTER VETCH | Naturalized |
Vicia villosa subsp. varia | | Naturalized |
Vicia villosa subsp. villosa | | Naturalized |
Viguiera deltoidea var. parishii (Under Bahiopsis parishii) | | Synonym |
Viguiera laciniata (Under Bahiopsis laciniata) | | Synonym |
Viguiera parishii (Under Bahiopsis parishii) | | Synonym |
Viguiera purisimae (Under Aldama purisimae) | | Synonym |
Viguiera reticulata (Under Bahiopsis reticulata) | | Synonym |
Villarsia pumila (Under Hesperochiron pumilus) | | Synonym |
Vinca | PERIWINKLE | |
Vinca major | GREATER PERIWINKLE | Naturalized |
Vinca rosea (Under Catharanthus roseus) | | Synonym |
Viola ↳ Key to Viola | VIOLET | |
Viola adunca subsp. adunca | WESTERN DOG VIOLET, EARLY BLUE VIOLET | Native |
Viola adunca subsp. ashtoniae (Under Viola adunca subsp. adunca) | | Synonym |
Viola adunca subsp. oxyceras (Under Viola adunca subsp. adunca) | | Synonym |
Viola adunca var. adunca (Under Viola adunca subsp. adunca) | | Synonym |
Viola adunca var. cascadensis (Under Viola adunca subsp. adunca) | | Synonym |
Viola adunca var. kirkii (Under Viola adunca subsp. adunca) | | Synonym |
Viola adunca var. uncinulata (Under Viola adunca subsp. adunca) | | Synonym |
Viola affinis (Under Viola nephrophylla) | | Synonym |
Viola arizonica (Under Viola nephrophylla) | | Synonym |
Viola arvensis | FIELD PANSY, EUROPEAN FIELD-PANSY, WILD PANSY | Naturalized |
Viola aurea (Under Viola purpurea subsp. aurea) | | Synonym |
Viola aurea subsp. mohavensis (Under Viola purpurea subsp. mohavensis) | | Synonym |
Viola aurea var. venosa (Under Viola purpurea subsp. venosa) | | Synonym |
Viola bakeri | BAKER'S VIOLET | Native |
Viola bakeri subsp. shastensis (Under Viola bakeri) | | Synonym |
Viola beckwithii | BECKWITH'S VIOLET, GREAT BASIN VIOLET | Native |
Viola beckwithii subsp. glabrata (Under Viola beckwithii) | | Synonym |
Viola blanda subsp. macloskeyi (Under Viola macloskeyi) | | Synonym |
Viola blanda var. macloskeyi (Under Viola macloskeyi) | | Synonym |
Viola californica (Under Viola glabella) | | Synonym |
Viola cascadensis (Under Viola adunca subsp. adunca) | | Synonym |
Viola chrysantha (Under Viola douglasii) | | Illegitimate name |
Viola cognata (Under Viola nephrophylla) | | Synonym |
Viola cuneata | NORTHERN TWO-EYED VIOLET, WEDGE-LEAVED VIOLET | Native |
Viola deltoidea (Under Viola glabella) | | Illegitimate name |
Viola douglasii | DOUGLAS' VIOLET, GOLDEN VIOLET | Native |
Viola glabella | STREAM VIOLET, SMOOTH YELLOW VIOLET | Native |
Viola hallii | HALL'S VIOLET, WILD PANSY | Native |
Viola howellii | HOWELL'S VIOLET | Native |
Viola kelloggii (Under Viola purpurea subsp. purpurea) | | Synonym |
Viola langsdorffii | ALASKA VIOLET, LANGSDORFF'S VIOLET | Native |
Viola linguifolia (Under Viola praemorsa subsp. linguifolia) | | Synonym |
Viola lobata | PINE VIOLET, YELLOW WOOD VIOLET | Native |
Viola lobata subsp. integrifolia | | Native |
Viola lobata subsp. lobata | | Native |
Viola lobata subsp. psychodes (Under Viola lobata subsp. lobata) | | Synonym |
Viola macloskeyi | MACLOSKEY'S VIOLET, SMALL WHITE VIOLET, SMOOTH WHITE VIOLET | Native |
Viola macloskeyi subsp. pallens (Under Viola macloskeyi) | | Synonym |
Viola mccabeiana (Under Viola nephrophylla) | | Synonym |
Viola nephrophylla | LECONTE VIOLET | Native |
Viola nephrophylla var. arizonica (Under Viola nephrophylla) | | Synonym |
Viola nephrophylla var. cognata (Under Viola nephrophylla) | | Synonym |
Viola nuttallii subsp. praemorsa (Under Viola praemorsa subsp. praemorsa) | | Synonym |
Viola nuttallii var. linguifolia (Under Viola praemorsa subsp. linguifolia) | | Synonym |
Viola nuttallii var. praemorsa (Under Viola praemorsa subsp. praemorsa) | | Synonym |
Viola nuttallii var. venosa (Under Viola purpurea subsp. venosa) | | Synonym |
Viola ocellata | WESTERN HEART'S EASE, TWO-EYED VIOLET | Native |
Viola odorata | ENGLISH VIOLET, SWEET VIOLET | Naturalized |
Viola pallens (Under Viola macloskeyi) | | Synonym |
Viola pallens subsp. macloskeyi (Under Viola macloskeyi) | | Synonym |
Viola palustris | ALPINE MARSH VIOLET | Native |
Viola palustris subsp. brevipes (Under Viola palustris) | | Synonym |
Viola palustris var. brevipes (Under Viola palustris) | | Synonym |
Viola pedunculata | JOHNNY-JUMP-UP | Native |
Viola pedunculata subsp. pedunculata (Under Viola pedunculata) | | Synonym |
Viola pedunculata subsp. tenuifolia (Under Viola pedunculata) | | Synonym |
Viola pinetorum | MOUNTAIN YELLOW VIOLET | Native |
Viola pinetorum subsp. grisea | GRAY-LEAVED VIOLET | Native |
Viola pinetorum subsp. pinetorum | | Native |
Viola pinetorum var. grisea (Under Viola pinetorum subsp. grisea) | | Synonym |
Viola pinetorum var. pinetorum (Under Viola pinetorum subsp. pinetorum) | | Synonym |
Viola praemorsa | | Native |
Viola praemorsa subsp. arida (Under Viola praemorsa subsp. linguifolia) | | Synonym |
Viola praemorsa subsp. linguifolia | | Native |
Viola praemorsa subsp. major (Under Viola praemorsa subsp. linguifolia) | | Synonym |
Viola praemorsa subsp. oregona (Under Viola praemorsa subsp. linguifolia) | | Synonym |
Viola praemorsa subsp. praemorsa | ASTORIA VIOLET, YELLOW MONTANE VIOLET | Native |
Viola primulifolia subsp. occidentalis | WESTERN WHITE BOG VIOLET | Native |
Viola purpurea | | Native |
Viola purpurea subsp. atriplicifolia (Under Viola purpurea subsp. venosa) | | Synonym, in part |
Viola purpurea subsp. aurea | GOLDEN VIOLET | Native |
Viola purpurea subsp. dimorpha | | Native |
Viola purpurea subsp. geophyta (Under Viola purpurea subsp. venosa) | | Synonym |
Viola purpurea subsp. integrifolia | | Native |
Viola purpurea subsp. mesophyta | | Native |
Viola purpurea subsp. mohavensis | | Native |
Viola purpurea subsp. purpurea | MOUNTAIN VIOLET | Native |
Viola purpurea subsp. quercetorum | | Native |
Viola purpurea subsp. venosa | PURPLE-MARKED YELLOW VIOLET | Native |
Viola purpurea subsp. xerophyta (Under Viola pinetorum subsp. grisea) | | Synonym, in part |
Viola purpurea subsp. xerophyta (Under Viola pinetorum subsp. pinetorum) | | Synonym, in part |
Viola purpurea var. aurea (Under Viola purpurea subsp. aurea) | | Synonym |
Viola purpurea var. grisea (Under Viola pinetorum subsp. grisea) | | Synonym |
Viola purpurea var. pinetorum (Under Viola pinetorum subsp. pinetorum) | | Synonym |
Viola quercetorum (Under Viola purpurea subsp. quercetorum) | | Synonym |
Viola sarmentosa (Under Viola sempervirens) | | Illegitimate name |
Viola sempervirens | EVERGREEN VIOLET, REDWOOD VIOLET | Native |
Viola sempervirens subsp. orbiculoides (Under Viola sempervirens) | | Synonym |
Viola sequoiensis (Under Viola lobata subsp. lobata) | | Synonym |
Viola sheltonii | SHELTON'S VIOLET | Native |
Viola sheltonii var. biternata (Under Viola sheltonii) | | Synonym |
Viola simulata (Under Viola langsdorffii) | | Synonym |
Viola sororia subsp. affinis (Under Viola nephrophylla) | | Synonym |
Viola sororia var. affinis (Under Viola nephrophylla) | | Synonym |
Viola superba (Under Viola langsdorffii) | | Synonym |
Viola tomentosa | FELT-LEAVED VIOLET | Native |
Viola tricolor var. arvensis (Under Viola arvensis) | | Synonym |
Viola uncinulata (Under Viola adunca subsp. adunca) | | Synonym |
Viola venosa (Under Viola purpurea subsp. venosa) | | Synonym |
Violaceae | VIOLET FAMILY | |
Viscaceae ↳ Key to Viscaceae | MISTLETOE FAMILY | |
Viscum | MISTLETOE | |
Viscum album | EUROPEAN MISTLETOE | Naturalized |
Vitaceae ↳ Key to Vitaceae | GRAPE FAMILY | |
Vitis ↳ Key to Vitis | GRAPE | |
Vitis californica | CALIFORNIA WILD GRAPE | Native |
Vitis girdiana | DESERT WILD GRAPE | Native |
Vitis rupestris | ROCK GRAPE | Waif |
Vitis vinifera | WINE GRAPE | Naturalized |
Volutaria ↳ Key to Volutaria | | |
Volutaria canariensis (Under Volutaria tubuliflora) | | Misapplied name |
Volutaria muricata | MOROCCO KNAPWEED | Naturalized |
Volutaria tubuliflora | EGYPTIAN KNAPWEED | Naturalized |
Vulpia bromoides (Under Festuca bromoides) | | Synonym |
Vulpia microstachys var. ciliata (Under Festuca microstachys) | | Synonym |
Vulpia microstachys var. confusa (Under Festuca microstachys) | | Synonym |
Vulpia microstachys var. microstachys (Under Festuca microstachys) | | Synonym |
Vulpia microstachys var. pauciflora (Under Festuca microstachys) | | Synonym |
Vulpia myuros f. myuros (Under Festuca myuros) | | Synonym |
Vulpia myuros var. hirsuta (Under Festuca myuros) | | Synonym |
Vulpia myuros var. myuros (Under Festuca myuros) | | Synonym |
Vulpia octoflora (Under Festuca octoflora) | | Synonym |
Vulpia octoflora var. hirtella (Under Festuca octoflora) | | Synonym |
Washingtonia ↳ Key to Washingtonia | FAN PALM | |
Washingtonia filifera | CALIFORNIA FAN PALM | Native |
Washingtonia robusta | MEXICAN FAN PALM | Naturalized |
Watsonia ↳ Key to Watsonia | | |
Watsonia bulbillifera (Under Watsonia meriana) | | Synonym |
Watsonia marginata | | Waif |
Watsonia meriana | | Naturalized |
Whipplea | MODESTY | |
Whipplea modesta | | Native |
Whitlavia grandiflora (Under Phacelia minor) | | Synonym |
Whitlavia minor (Under Phacelia minor) | | Synonym |
Whitneya dealbata (Under Arnica dealbata) | | Synonym |
Wigandia | | |
Wigandia caracasana (Under Wigandia urens) | | Synonym |
Wigandia caracasana f. viscosa (Under Wigandia urens) | | Synonym |
Wigandia caracasana var. calycina (Under Wigandia urens) | | Synonym |
Wigandia caracasana var. macrophylla (Under Wigandia urens) | | Synonym |
Wigandia caracasana var. viscosa (Under Wigandia urens) | | Synonym |
Wigandia kunthii var. intermedia (Under Wigandia urens) | | Synonym |
Wigandia kunthii var. macrophylla (Under Wigandia urens) | | Synonym |
Wigandia kunthii var. viscosa (Under Wigandia urens) | | Synonym |
Wigandia macrophylla (Under Wigandia urens) | | Synonym |
Wigandia peruviana (Under Wigandia urens) | | Synonym |
Wigandia scorpioides (Under Wigandia urens) | | Synonym |
Wigandia urens | STINGING WIGANDIA | Naturalized |
Wigandia urens var. caracasana (Under Wigandia urens) | | Synonym |
Wislizenia californica (Under Cleomella californica) | | Synonym |
Wislizenia palmeri (Under Cleomella palmeri) | | Synonym |
Wislizenia refracta subsp. californica (Under Cleomella californica) | | Synonym |
Wislizenia refracta subsp. palmeri (Under Cleomella palmeri) | | Synonym |
Wislizenia refracta subsp. refracta (Under Cleomella refracta) | | Synonym |
Wolffia ↳ Key to Wolffia | WATERMEAL | |
Wolffia arrhiza | | Naturalized |
Wolffia borealis | | Native |
Wolffia brasiliensis | BRAZILIAN WATERMEAL | Native |
Wolffia columbiana | | Native |
Wolffia cylindracea (Under Wolffia globosa) | | Synonym |
Wolffia globosa | | Native |
Wolffia punctata (Under Wolffia borealis) | | Superfluous name |
Wolffiella ↳ Key to Wolffiella | MUD-MIDGET | |
Wolffiella lingulata | | Native |
Wolffiella oblonga | | Native |
Woodsia ↳ Key to Woodsia | CLIFF FERN | |
Woodsia oregana | | Native |
Woodsia plummerae | PLUMMER'S WOODSIA | Native |
Woodsia scopulina | | Native |
Woodsiaceae | CLIFF FERN FAMILY | |
Woodwardia | CHAIN FERN | |
Woodwardia chamissoi (Under Woodwardia fimbriata) | | Synonym |
Woodwardia fimbriata | GIANT CHAIN FERN | Native |
Woodwardia radicans (Under Woodwardia fimbriata) | | Misapplied name |
Wyethia ↳ Key to Wyethia | MULE'S EARS | |
Wyethia angustifolia | | Native |
Wyethia bolanderi | BOLANDER'S MULE'S EARS | Native |
Wyethia elata | HALL'S WYETHIA | Native |
Wyethia glabra | | Native |
Wyethia helenioides | | Native |
Wyethia invenusta | RAYLESS MULE'S EARS | Native |
Wyethia longicaulis | HUMBOLDT COUNTY WYETHIA | Native |
Wyethia mollis | | Native |
Wyethia ovata | SOUTHERN MULE'S EARS | Native |
Wyethia reticulata | EL DORADO COUNTY MULE EARS | Native |
Xanthisma ↳ Key to Xanthisma | | |
Xanthisma gracile | ANNUAL BRISTLEWEED | Native |
Xanthisma junceum | RUSH-LIKE BRISTLEWEED | Native |
Xanthisma spinulosum var. gooddingii | SPINY GOLDENWEED | Native |
Xanthium ↳ Key to Xanthium | COCKLEBUR | |
Xanthium orientale | COMMON COCKLEBUR | Native |
Xanthium spinosum | SPINY COCKLEBUR, SPINY CLOTBUT | Naturalized |
Xanthium strumarium (Under Xanthium orientale) | | Misapplied name |
Xanthium strumarium var. canadense (Under Xanthium orientale) | | Synonym |
Xanthium strumarium var. glabratum (Under Xanthium orientale) | | Synonym |
Xanthocyparis nootkatensis (Under Callitropsis nootkatensis) | | Superfluous name |
Xerobotrys glaucus (Under Arctostaphylos glauca) | | Synonym |
Xerobotrys venulosus (Under Arctostaphylos hookeri subsp. hookeri) | | Synonym |
Xerophyllum | BEAR-GRASS, BASKET-GRASS | |
Xerophyllum tenax | | Native |
Xylococcus | | |
Xylococcus bicolor | | Native |
Xylorhiza ↳ Key to Xylorhiza | DESERT-ASTER | |
Xylorhiza cognata | MECCA-ASTER | Native |
Xylorhiza orcuttii | ORCUTT'S WOODY-ASTER | Native |
Xylorhiza tortifolia var. tortifolia | MOJAVE-ASTER | Native |
Yabea | | |
Yabea microcarpa | | Native |
Yucca ↳ Key to Yucca | SPANISH BAYONET, YUCCA | |
Yucca baccata var. baccata | BANANA YUCCA, BLUE YUCCA | Native |
Yucca brevifolia | WESTERN JOSHUA TREE | Native |
Yucca brevifolia var. herbertii (Under Yucca brevifolia) | | Synonym |
Yucca brevifolia var. jaegeriana (Under Yucca jaegeriana) | | Synonym |
Yucca californica (Under Hesperoyucca whipplei) | | Synonym |
Yucca californica (Under Yucca schidigera) | | Synonym |
Yucca graminifolia (Under Hesperoyucca whipplei) | | Illegitimate name |
Yucca jaegeriana | EASTERN JOSHUA TREE | Native |
Yucca mohavensis (Under Yucca schidigera) | | Synonym |
Yucca nitida (Under Hesperoyucca whipplei) | | Synonym |
Yucca ortgiesiana (Under Hesperoyucca whipplei) | | Synonym |
Yucca schidigera | MOJAVE YUCCA | Native |
Yucca whipplei (Under Hesperoyucca whipplei) | | Synonym |
Yucca whipplei subsp. caespitosa (Under Hesperoyucca whipplei) | | Synonym |
Yucca whipplei subsp. intermedia (Under Hesperoyucca whipplei) | | Synonym |
Yucca whipplei subsp. parishii (Under Hesperoyucca whipplei) | | Synonym |
Yucca whipplei subsp. percursa (Under Hesperoyucca whipplei) | | Synonym |
Yucca whipplei var. caespitosa (Under Hesperoyucca whipplei) | | Synonym |
Yucca whipplei var. intermedia (Under Hesperoyucca whipplei) | | Synonym |
Yucca whipplei var. parishii (Under Hesperoyucca whipplei) | | Synonym |
Yucca whipplei var. percursa (Under Hesperoyucca whipplei) | | Synonym |
Zannichellia | HORNED-PONDWEED | |
Zannichellia palustris | | Native |
Zannichelliaceae | HORNED-PONDWEED FAMILY | |
Zantedeschia | | |
Zantedeschia aethiopica | CALLA-LILY | Naturalized |
Zauschneria californica subsp. californica (Under Epilobium canum subsp. canum) | | Synonym |
Zauschneria californica subsp. latifolia (Under Epilobium canum subsp. latifolium) | | Synonym |
Zauschneria cana (Under Epilobium canum subsp. canum) | | Synonym |
Zauschneria latifolia var. garrettii (Under Epilobium canum subsp. garrettii) | | Synonym |
Zauschneria septentrionalis (Under Epilobium septentrionale) | | Synonym |
Zeltnera ↳ Key to Zeltnera | CENTAURY | |
Zeltnera abramsii (Under Zeltnera venusta) | | Synonym |
Zeltnera arizonica | ARIZONA CENTAURY | Native |
Zeltnera davyi | DAVY'S CENTAURY | Native |
Zeltnera exaltata | TALL CENTAURY, DESERT CENTAURY | Native |
Zeltnera muehlenbergii | MONTEREY CENTAURY | Native |
Zeltnera namophila | SPRING-LOVING CENTAURY | Native |
Zeltnera trichantha | ALKALI CENTAURY | Native |
Zeltnera venusta | CALIFORNIA CENTAURY, CHARMING CENTAURY | Native |
Zigadenus brevibracteatus (Under Toxicoscordion brevibracteatum) | | Synonym |
Zigadenus exaltatus (Under Toxicoscordion exaltatum) | | Synonym |
Zigadenus fontanus (Under Toxicoscordion fontanum) | | Synonym |
Zigadenus fremontii (Under Toxicoscordion fremontii) | | Synonym |
Zigadenus fremontii var. inezianus (Under Toxicoscordion fremontii) | | Synonym |
Zigadenus fremontii var. minor (Under Toxicoscordion fremontii) | | Synonym |
Zigadenus fremontii var. salsus (Under Toxicoscordion fremontii) | | Synonym |
Zigadenus micranthus (Under Toxicoscordion micranthum) | | Synonym |
Zigadenus micranthus var. fontanus (Under Toxicoscordion fontanum) | | Synonym |
Zigadenus micranthus var. micranthus (Under Toxicoscordion micranthum) | | Synonym |
Zigadenus paniculatus (Under Toxicoscordion paniculatum) | | Synonym |
Zigadenus venenosus var. venenosus (Under Toxicoscordion venenosum var. venenosum) | | Synonym |
Zingiberaceae | GINGER FAMILY | |
Zizania | WILD RICE | |
Zizania aquatica var. angustifolia (Under Zizania palustris var. interior) | | Synonym |
Zizania palustris var. interior | INTERIOR WILD RICE, NORTHERN WILD RICE | Waif |
Ziziphus ↳ Key to Ziziphus | | |
Ziziphus jujuba (Under Ziziphus zizyphus) | | Synonym |
Ziziphus obtusifolia var. canescens | GRAYTHORN | Native |
Ziziphus parryi var. parryi | PARRY'S JUJUBE | Native |
Ziziphus zizyphus | JUJUBE | Naturalized |
Zostera ↳ Key to Zostera | EEL-GRASS | |
Zostera asiatica (Under Zostera pacifica) | | Synonym |
Zostera japonica | | Naturalized |
Zostera marina | | Native |
Zostera marina var. latifolia (Under Zostera marina) | | Synonym |
Zostera pacifica | | Native |
Zosteraceae ↳ Key to Zosteraceae | EEL-GRASS FAMILY | |
Zosterella dubia (Under Heteranthera dubia) | | Synonym |
Zygophyllaceae ↳ Key to Zygophyllaceae | CALTROP FAMILY | |
Zygophyllum | BEAN-CAPER | |
Zygophyllum fabago | | Naturalized |
Zygophyllum fabago var. brachycarpum (Under Zygophyllum fabago) | | Synonym |