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 | |