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Key to families Table of families and genera
  Index to accepted names and synonyms:
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Scientific Name

Index Page: A

Scientific NameCommon Name
Abies
  ↳  Key to Abies
FIR
Abies
(Under Abies magnifica var. shastensis)
Synonym (tjm2)
Abies amabilisPACIFIC SILVER FIRNative
Abies bifolia
(Under Abies lasiocarpa var. lasiocarpa)
Mentioned in
a note
Abies bracteataBRISTLECONE FIRNative
Abies concolorWHITE FIRNative
Abies concolor var. concolor
(Under Abies concolor)
Mentioned in
a note
Abies concolor var. lowiana
(Under Abies concolor)
Mentioned in
a note
Abies grandisGRAND FIRNative
Abies lasiocarpa var. lasiocarpaSUBALPINE FIRNative
Abies lowiana
(Under Abies concolor)
Synonym (tjm2)
Abies magnificaCALIFORNIA RED FIRNative
Abies magnifica var. critchfieldii
(Under Abies magnifica var. shastensis)
Mentioned in
a note
Abies magnifica var. magnificaNative
Abies magnifica var. shastensisSHASTA RED FIRNative
Abies proceraNOBLE FIRNative
Abies venusta
(Under Abies bracteata)
Synonym (tjm2)
Abronia
  ↳  Key to Abronia
SAND-VERBENA
Abronia alpinaRAMSHAW MEADOWS ABRONIANative
Abronia crux-maltae
(Under Tripterocalyx crux-maltae)
Synonym (tjm2)
Abronia gracilis
(Under Abronia)
Mentioned in
a note
Abronia latifoliaNative
Abronia maritimaRED SAND-VERBENANative
Abronia micrantha
(Under Tripterocalyx micranthus)
Synonym (tjm2)
Abronia nana subsp. covillei
(Under Abronia nana var. covillei)
Synonym (tjm2)
Abronia nana var. covilleiCOVILLE'S DWARF ABRONIANative
Abronia nana var. nana
(Under Abronia nana var. covillei)
Mentioned in
a note
Abronia pogonanthaNative
Abronia turbinataNative
Abronia umbellataNative
Abronia umbellata subsp. alba
(Under Abronia umbellata)
Synonym
Abronia umbellata subsp. alba
(Under Abronia umbellata)
Mentioned in
a note
Abronia umbellata subsp. breviflora
(Under Abronia umbellata var. breviflora)
Synonym (tjm2)
Abronia umbellata subsp. platyphylla
(Under Abronia umbellata)
Synonym
Abronia umbellata subsp. platyphylla
(Under Abronia umbellata)
Mentioned in
a note
Abronia umbellata subsp. umbellata
(Under Abronia umbellata var. umbellata)
Synonym (tjm2)
Abronia umbellata subsp. variabilis
(Under Abronia umbellata)
Synonym
Abronia umbellata subsp. variabilis
(Under Abronia umbellata)
Mentioned in
a note
Abronia umbellata var. acutalata
(Under Abronia umbellata)
Mentioned in
a note
Abronia umbellata var. brevifloraPINK SAND-VERBENANative
Abronia umbellata var. umbellataNative
Abronia villosaNative
Abronia villosa var. auritaCHAPARRAL SAND-VERBENANative
Abronia villosa var. villosaNative
Abutilon
  ↳  Key to Abutilon
Abutilon crispum
(Under Herissantia crispa)
Synonym (tjm2)
Abutilon palmeriNative
Abutilon parvulumDWARF ABUTILONNative
Abutilon theophrastiVELVET-LEAFNaturalized
Acacia
  ↳  Key to Acacia
Acacia baileyanaCOOTAMUNDRA WATTLENaturalized
Acacia cultriformis
(Under Acacia)
Mentioned in
a note
Acacia cyclopsWESTERN COASTAL WATTLENaturalized
Acacia dealbataSILVER WATTLENaturalized
Acacia decurrensGREEN WATTLEWaif
Acacia decurrens var. dealbata
(Under Acacia dealbata)
Synonym (tjm2)
Acacia elata
(Under Acacia)
Mentioned in
a note
Acacia farnesiana
(Under Acacia)
Mentioned in
a note
Acacia farnesiana subsp. minuta
(Under Vachellia farnesiana var. minuta)
Synonym (tjm2)
Acacia farnesiana var. farnesiana
(Under Vachellia farnesiana var. farnesiana)
Synonym (tjm2)
Acacia greggii
(Under Acacia)
Mentioned in
a note
Acacia greggii
(Under Senegalia greggii)
Synonym (tjm2)
Acacia greggii var. greggii
(Under Senegalia greggii)
Synonym (tjm2)
Acacia longifoliaSYDNEY GOLDEN WATTLENaturalized
Acacia lophantha
(Under Albizia lophantha)
Synonym (tjm2)
Acacia mearnsiiBLACK WATTLEWaif
Acacia melanoxylonBLACKWOOD ACACIANaturalized
Acacia minuta
(Under Vachellia farnesiana var. minuta)
Synonym (tjm2)
Acacia paradoxaKANGAROO THORNWaif
Acacia podalyriifoliaQUEENSLAND SILVER WATTLEWaif
Acacia pycnanthaGOLDEN WATTLEWaif
Acacia redolensVANILLA-SCENTED WATTLENaturalized
Acacia retinodesEVERBLOOMING WATTLEWaif
Acacia salignaGOLDEN WREATH WATTLENaturalized
Acacia verticillataSTAR ACACIA, PRICKLY MOSESWaif
Acaena
  ↳  Key to Acaena
Acaena anserinifolia
(Under Acaena novae-zelandiae)
Synonym (tjm2)
Acaena novae-zelandiaeBIDDY-BIDDYNaturalized
Acaena pallidaNaturalized
Acaena pinnatifida var. californicaNative
Acalypha
Acalypha californicaNative
Acamptopappus
  ↳  Key to Acamptopappus
GOLDENHEAD
Acamptopappus shockleyiSHOCKLEY'S GOLDENHEADNative
Acamptopappus sphaerocephalusRAYLESS GOLDENHEADNative
Acamptopappus sphaerocephalus var. hirtellusNative
Acamptopappus sphaerocephalus var. sphaerocephalusNative
Acanthaceae
  ↳  Key to Acanthaceae
ACANTHUS FAMILY
Acanthogonum corrugatum
(Under Chorizanthe corrugata)
Synonym (tjm2)
Acanthogonum polygonoides
(Under Chorizanthe polygonoides var. polygonoides)
Synonym (tjm2)
Acanthogonum polygonoides var. longispinum
(Under Chorizanthe polygonoides var. longispina)
Synonym (tjm2)
Acanthogonum polygonoides var. polygonoides
(Under Chorizanthe polygonoides var. polygonoides)
Synonym (tjm2)
Acanthogonum rigidum
(Under Chorizanthe rigida)
Synonym (tjm2)
Acanthomintha
  ↳  Key to Acanthomintha
THORNMINT
Acanthomintha duttoniiSAN MATEO THORNMINTNative
Acanthomintha ilicifoliaSAN DIEGO THORNMINTNative
Acanthomintha lanceolataSANTA CLARA THORNMINTNative
Acanthomintha obovataNative
Acanthomintha obovata subsp. cordataHEART-LEAVED THORNMINTNative
Acanthomintha obovata subsp. duttonii
(Under Acanthomintha duttonii)
Synonym (tjm2)
Acanthomintha obovata subsp. obovataSAN BENITO THORNMINTNative
Acanthoscyphus
Acanthoscyphus parishii
  ↳  Key to Acanthoscyphus parishii
FLOWERY PUNCTUREBRACTNative
Acanthoscyphus parishii var. abramsiiABRAMS' OXYTHECANative
Acanthoscyphus parishii var. cienegensisCIENEGA SECA OXYTHECANative
Acanthoscyphus parishii var. goodmanianaCUSHENBURY OXYTHECANative
Acanthoscyphus parishii var. parishiiPARISH'S OXYTHECANative
Acca sellowiana
(Under Myrtaceae)
Mentioned in
a note
Acer
  ↳  Key to Acer
MAPLE
Acer campestreHEDGE MAPLEWaif
Acer circinatumVINE MAPLENative
Acer glabrumMOUNTAIN MAPLENative
Acer glabrum var. diffusumNative
Acer glabrum var. douglasii
(Under Acer glabrum)
Mentioned in
a note
Acer glabrum var. glabrumNative
Acer glabrum var. greenei
(Under Acer glabrum var. glabrum)
Synonym (tjm2)
Acer glabrum var. torreyi
(Under Acer glabrum)
Mentioned in
a note
Acer glabrum var. torreyi
(Under Acer glabrum var. glabrum)
Synonym (tjm2)
Acer macrophyllumBIG-LEAF MAPLENative
Acer negundoBOX ELDERNative
Acer negundo var. arizonicum
(Under Acer negundo)
Synonym (tjm2)
Acer negundo var. californicum
(Under Acer negundo)
Synonym (tjm2)
Acer negundo var. interius
(Under Acer negundo)
Synonym (tjm2)
Acer saccharinumSILVER MAPLENaturalized
AchilleaYARROW
Achillea borealis subsp. arenicola
(Under Achillea millefolium)
Synonym (tjm2)
Achillea borealis subsp. californica
(Under Achillea millefolium)
Synonym (tjm2)
Achillea lanulosa subsp. alpicola
(Under Achillea millefolium)
Synonym (tjm2)
Achillea lanulosa var. lanulosa
(Under Achillea millefolium)
Synonym (tjm2)
Achillea millefoliumNative
Achillea millefolium subsp. lanulosa
(Under Achillea millefolium)
Synonym (tjm2)
Achillea millefolium var. alpicola
(Under Achillea millefolium)
Synonym (tjm2)
Achillea millefolium var. arenicola
(Under Achillea millefolium)
Synonym (tjm2)
Achillea millefolium var. borealis
(Under Achillea millefolium)
Synonym (tjm2)
Achillea millefolium var. californica
(Under Achillea millefolium)
Synonym (tjm2)
Achillea millefolium var. gigantea
(Under Achillea millefolium)
Synonym (tjm2)
Achillea millefolium var. littoralis
(Under Achillea millefolium)
Synonym (tjm2)
Achillea millefolium var. pacifica
(Under Achillea millefolium)
Synonym (tjm2)
Achillea millefolium var. puberula
(Under Achillea millefolium)
Synonym (tjm2)
Achlys
  ↳  Key to Achlys
VANILLA LEAF
Achlys californicaNative
Achlys triphylla subsp. triphyllaNative
Achnatherum aridum
(Under Stipa arida)
Synonym (tjm2)
Achnatherum brachychaetum
(Under Stipa brachychaeta)
Synonym (tjm2)
Achnatherum coronatum
(Under Stipa coronata)
Synonym (tjm2)
Achnatherum diegoense
(Under Stipa diegoensis)
Synonym (tjm2)
Achnatherum hymenoides
(Under Stipa hymenoides)
Synonym (tjm2)
Achnatherum latiglume
(Under Stipa latiglumis)
Synonym (tjm2)
Achnatherum lemmonii subsp. lemmonii
(Under Stipa lemmonii var. lemmonii)
Synonym (tjm2)
Achnatherum lemmonii subsp. pubescens
(Under Stipa lemmonii var. pubescens)
Synonym (tjm2)
Achnatherum lettermanii
(Under Stipa lettermanii)
Synonym (tjm2)
Achnatherum nelsonii subsp. dorei
(Under Stipa nelsonii var. dorei)
Synonym (tjm2)
Achnatherum nevadense
(Under Stipa nevadensis)
Synonym (tjm2)
Achnatherum occidentale subsp. californicum
(Under Stipa occidentalis var. californica)
Synonym (tjm2)
Achnatherum occidentale subsp. occidentale
(Under Stipa occidentalis var. occidentalis)
Synonym (tjm2)
Achnatherum occidentale subsp. pubescens
(Under Stipa occidentalis var. pubescens)
Synonym (tjm2)
Achnatherum parishii subsp. parishii
(Under Stipa parishii var. parishii)
Synonym (tjm2)
Achnatherum parishii var. parishii
(Under Stipa parishii var. parishii)
Synonym (tjm2)
Achnatherum pinetorum
(Under Stipa pinetorum)
Synonym (tjm2)
Achnatherum speciosum
(Under Stipa speciosa)
Synonym (tjm2)
Achnatherum stillmanii
(Under Stipa stillmanii)
Synonym (tjm2)
Achnatherum thurberianum
(Under Stipa thurberiana)
Synonym (tjm2)
Achnatherum webberi
(Under Stipa webberi)
Synonym (tjm2)
AchyrachaenaBLOW-WIVES
Achyrachaena mollisNative
Achyranthes lanuginosa
(Under Tidestromia lanuginosa)
Synonym
Achyronychia
Achyronychia cooperiONYX FLOWER, FROST-MATNative
Achyronychia rixfordii
(Under Scopulophila rixfordii)
Synonym (tjm2)
Acleisanthes
  ↳  Key to Acleisanthes
TRUMPETS
Acleisanthes diffusa
(Under Acleisanthes nevadensis)
Mentioned in
a note
Acleisanthes longifloraANGEL TRUMPETSNative
Acleisanthes nevadensisDESERT WING-FRUITNative
Acmispon
  ↳  Key to Acmispon
DEERVETCH, DEERWEED
Acmispon americanus var. americanusNative
Acmispon argophyllusNative
Acmispon argophyllus var. adsurgensSAN CLEMENTE ISLAND BIRD'S-FOOT TREFOILNative
Acmispon argophyllus var. argenteusNative
Acmispon argophyllus var. argophyllusNative
Acmispon argophyllus var. fremontiiNative
Acmispon argophyllus var. niveusSANTA CRUZ ISLAND BIRD'S-FOOT TREFOILNative
Acmispon argyraeusNative
Acmispon argyraeus var. argyraeusNative
Acmispon argyraeus var. multicaulisSCRUB LOTUSNative
Acmispon argyraeus var. notitiusPROVIDENCE MOUNTAINS LOTUSNative
Acmispon brachycarpusNative
Acmispon cytisoidesNative
Acmispon dendroideusNative
Acmispon dendroideus var. dendroideusISLAND BROOMNative
Acmispon dendroideus var. traskiaeSAN CLEMENTE ISLAND LOTUSNative
Acmispon dendroideus var. veatchiiSAN MIGUEL ISLAND DEERWEEDNative
Acmispon denticulatusNative
Acmispon glaberDEERWEED, CALIFORNIA BROOMNative
Acmispon glaber var. brevialatusNative
Acmispon glaber var. glaberNative
Acmispon grandiflorusNative
Acmispon grandiflorus var. grandiflorusNative
Acmispon grandiflorus var. macranthusNative
Acmispon haydoniiPYGMY LOTUSNative
Acmispon heermanniiNative
Acmispon heermannii var. heermanniiNative
Acmispon heermannii var. orbicularisNative
Acmispon junceusNative
Acmispon junceus var. biolettiiNative
Acmispon junceus var. junceusNative
Acmispon maritimusNative
Acmispon maritimus var. brevivexillusNative
Acmispon maritimus var. maritimusNative
Acmispon micranthusNative
Acmispon nevadensisNative
Acmispon nevadensis var. davidsoniiNative
Acmispon nevadensis var. nevadensisNative
Acmispon parviflorusNative
Acmispon procumbensNative
Acmispon procumbens var. jepsoniiNative
Acmispon procumbens var. procumbensNative
Acmispon prostratusNUTTALL'S ACMISPONNative
Acmispon rigidusNative
Acmispon rubriflorusRED-FLOWERED BIRD'S-FOOT TREFOILNative
Acmispon strigosusNative
Acmispon strigosus var. hirtellus
(Under Acmispon strigosus)
Synonym (tjm2)
Acmispon wrangelianusNative
AconitumMONKSHOOD
Aconitum bulbiferum
(Under Aconitum columbianum subsp. viviparum)
Synonym (tjm2)
Aconitum columbianum
  ↳  Key to Aconitum columbianum
Native
Aconitum columbianum subsp. columbianumNative
Aconitum columbianum subsp. pallidum
(Under Aconitum columbianum subsp. columbianum)
Synonym (tjm2)
Aconitum columbianum subsp. viviparumNative
Aconitum columbianum var. columbianum
(Under Aconitum columbianum subsp. columbianum)
Synonym (tjm2)
Aconitum columbianum var. howellii
(Under Aconitum columbianum subsp. viviparum)
Synonym (tjm2)
Aconitum columbianum var. ochroleucum
(Under Aconitum columbianum subsp. columbianum)
Synonym (tjm2)
Aconitum geranioides
(Under Aconitum columbianum subsp. columbianum)
Synonym (tjm2)
Aconitum hansenii
(Under Aconitum columbianum subsp. viviparum)
Synonym (tjm2)
Aconitum helleri
(Under Aconitum columbianum subsp. columbianum)
Synonym (tjm2)
Aconitum leibergii
(Under Aconitum columbianum subsp. columbianum)
Synonym (tjm2)
Aconitum mogollonicum
(Under Aconitum columbianum subsp. columbianum)
Synonym (tjm2)
Aconitum noveboracense
(Under Aconitum columbianum subsp. columbianum)
Synonym (tjm2)
Aconitum uncinatum subsp. noveboracense
(Under Aconitum columbianum subsp. columbianum)
Synonym (tjm2)
Aconitum viviparum
(Under Aconitum columbianum subsp. viviparum)
Synonym (tjm2)
Aconogonon
  ↳  Key to Aconogonon
Aconogonon davisiaeNative
Aconogonon davisiae var. glabrum
(Under Aconogonon davisiae)
Synonym (tjm2)
Aconogonon newberryiNative
Aconogonon phytolaccifoliumNative
Aconogonon phytolaccifolium
(Under Aconogonon phytolaccifolium)
Synonym (tjm2)
Aconogonon phytolaccifolium var. glabrum
(Under Aconogonon phytolaccifolium)
Synonym (tjm2)
Aconogonon polystachyum
(Under Persicaria wallichii)
Synonym (tjm2)
Acorus calamus
(Under Araceae)
Mentioned in
a note
Acourtia
Acourtia microcephalaNative
Acrachne racemosa
(Under Poaceae)
Mentioned in
a note
Acroptilon
Acroptilon repensRUSSIAN KNAPWEEDNaturalized
ActaeaBANEBERRY
Actaea rubraNative
Actaea rubra subsp. arguta
(Under Actaea rubra)
Synonym (tjm2)
Adenocaulon
Adenocaulon bicolorTRAIL PLANTNative
Adenophyllum
  ↳  Key to Adenophyllum
Adenophyllum cooperiNative
Adenophyllum porophylloidesNative
Adenostoma
  ↳  Key to Adenostoma
Adenostoma fasciculatumCHAMISE, GREASEWOODNative
Adenostoma fasciculatum var. fasciculatumNative
Adenostoma fasciculatum var. obtusifoliumNative
Adenostoma fasciculatum var. prostratumNative
Adenostoma sparsifoliumRED SHANK, RIBBON WOODNative
Adiantum
  ↳  Key to Adiantum
Adiantum aleuticumFIVE-FINGER FERNNative
Adiantum boreale
(Under Adiantum aleuticum)
Synonym (tjm2)
Adiantum capillus-venerisSOUTHERN MAIDENHAIRNative
Adiantum jordaniiCALIFORNIA MAIDENHAIRNative
Adiantum pedatum subsp. calderi
(Under Adiantum aleuticum)
Synonym (tjm2)
Adiantum pedatum var. aleuticum
(Under Adiantum aleuticum)
Synonym (tjm2)
Adiantum pedatum var. subpumilum
(Under Adiantum aleuticum)
Synonym (tjm2)
Adiantum shastenseSHASTA MAIDENHAIRNative
Adolphia
Adolphia californicaCALIFORNIA ADOLPHIANative
Adolphia infesta
(Under Adolphia californica)
Mentioned in
a note
AdonisPHEASANT'S EYE
Adonis aestivalisSUMMER PHEASANT'S EYENaturalized
Adoxaceae
  ↳  Key to Adoxaceae
MUSKROOT FAMILY
Aegilops
  ↳  Key to Aegilops
GOAT GRASS
Aegilops cylindricaJOINTED GOAT GRASSNaturalized
Aegilops geniculataOVATE GOAT GRASSWaif
Aegilops neglectaTHREE-AWNED GOAT GRASSNaturalized
Aegilops ovata
(Under Aegilops geniculata)
Synonym (tjm2)
Aegilops tauschii
(Under Aegilops)
Mentioned in
a note
Aegilops triaristata
(Under Aegilops neglecta)
Synonym (tjm2)
Aegilops triuncialisBARBED GOAT GRASSNaturalized
Aegochloa cotulifolia
(Under Navarretia cotulifolia)
Synonym (tjm2)
Aeonium
  ↳  Key to Aeonium
Aeonium arboreum var. arboreumNaturalized
Aeonium haworthiiNaturalized
Aeschynomene
Aeschynomene rudisROUGH JOINTVETCHAgricultural weed
AesculusBUCKEYE
Aesculus californicaCALIFORNIA BUCKEYENative
Agastache
  ↳  Key to Agastache
HORSEMINT
Agastache glaucifolia
(Under Agastache urticifolia)
Synonym (tjm2)
Agastache parvifoliaNative
Agastache urticifoliaNative
Agastache urticifolia subsp. parvifolia
(Under Agastache parvifolia)
Synonym (tjm2)
Agavaceae
  ↳  Key to Agavaceae
CENTURY PLANT FAMILY
Agave
  ↳  Key to Agave
CENTURY PLANT
Agave consociata
(Under Agave deserti var. deserti)
Synonym (tjm2)
Agave desertiNative
Agave deserti subsp. deserti
(Under Agave deserti var. deserti)
Synonym (tjm2)
Agave deserti subsp. simplex
(Under Agave deserti var. simplex)
Synonym (tjm2)
Agave deserti var. desertiDESERT AGAVENative
Agave deserti var. simplexSIMPLE DESERT AGAVENative
Agave eborispina
(Under Agave utahensis var. eborispina)
Synonym (tjm2)
Agave nevadensis
(Under Agave utahensis var. nevadensis)
Synonym (tjm2)
Agave orcuttiana
(Under Agave shawii var. shawii)
Synonym (tjm2)
Agave pachyacantha
(Under Agave shawii var. shawii)
Synonym (tjm2)
Agave shawii var. shawiiSHAW AGAVENative
Agave utahensisUTAH AGAVENative
Agave utahensis var. eborispinaIVORY-SPINED AGAVENative
Agave utahensis var. nevadensisCLARK MOUNTAIN AGAVENative
Ageratina
  ↳  Key to Ageratina
SNAKEROOT
Ageratina adenophoraCROFTON WEEDNaturalized
Ageratina herbaceaDESERT AGERATINANative
Ageratina occidentalisWESTERN SNAKEROOTNative
Ageratina shastensisSHASTA AGERATINANative
Ageratum conyzoides
(Under Asteraceae)
Mentioned in
a note
Agnorhiza bolanderi
(Under Wyethia bolanderi)
Synonym (tjm2)
Agnorhiza elata
(Under Wyethia elata)
Synonym (tjm2)
Agnorhiza invenusta
(Under Wyethia invenusta)
Synonym (tjm2)
Agnorhiza ovata
(Under Wyethia ovata)
Synonym (tjm2)
Agnorhiza reticulata
(Under Wyethia reticulata)
Synonym (tjm2)
Agoseris
  ↳  Key to Agoseris
Agoseris
  ↳  Key to Agoseris
Native
Agoseris
  ↳  Key to Agoseris
Native
Agoseris apargioidesNative
Agoseris apargioides subsp. maritima
(Under Agoseris apargioides var. maritima)
Synonym
Agoseris apargioides var. apargioidesNative
Agoseris apargioides var. eastwoodiaeNative
Agoseris apargioides var. maritimaNative
Agoseris aurantiaca
(Under Agoseris)
Mentioned in
a note
Agoseris aurantiaca
(Under Agoseris)
Mentioned in
a note
Agoseris aurantiaca
(Under Agoseris)
Mentioned in
a note
Agoseris aurantiaca
(Under Agoseris grandiflora var. grandiflora)
Mentioned in
a note
Agoseris aurantiaca
(Under Agoseris grandiflora var. leptophylla)
Mentioned in
a note
Agoseris aurantiaca
(Under Agoseris monticola)
Mentioned in
a note
Agoseris aurantiaca
(Under Agoseris parviflora)
Mentioned in
a note
Agoseris aurantiaca var. aurantiacaNative
Agoseris californica
(Under Agoseris heterophylla var. cryptopleura)
Synonym (tjm2)
Agoseris cinerea
(Under Agoseris grandiflora var. grandiflora)
Synonym
Agoseris decumbens
(Under Agoseris)
Synonym
Agoseris decumbens
(Under Agoseris)
Synonym
Agoseris decumbens
(Under Agoseris)
Synonym
Agoseris eastwoodiae
(Under Agoseris apargioides var. eastwoodiae)
Synonym
Agoseris elata
(Under Agoseris)
Synonym (tjm2)
Agoseris elata
(Under Agoseris)
Synonym (tjm2)
Agoseris elata
(Under Agoseris)
Synonym (tjm2)
Agoseris glauca
(Under Agoseris aurantiaca var. aurantiaca)
Mentioned in
a note
Agoseris glauca
(Under Agoseris monticola)
Mentioned in
a note
Agoseris glauca
(Under Agoseris parviflora)
Mentioned in
a note
Agoseris glauca var. agrestis
(Under Agoseris)
Mentioned in
a note
Agoseris glauca var. agrestis
(Under Agoseris)
Mentioned in
a note
Agoseris glauca var. agrestis
(Under Agoseris)
Mentioned in
a note
Agoseris glauca var. dasycephala
(Under Agoseris monticola)
Synonym (tjm2)
Agoseris glauca var. glaucaNative
Agoseris glauca var. laciniata
(Under Agoseris parviflora)
Synonym (tjm2)
Agoseris glauca var. monticola
(Under Agoseris monticola)
Synonym (tjm2)
Agoseris gracilens
(Under Agoseris aurantiaca var. aurantiaca)
Synonym
Agoseris grandifloraNative
Agoseris grandiflora var. grandifloraNative
Agoseris grandiflora var. laciniata
(Under Agoseris)
Synonym
Agoseris grandiflora var. laciniata
(Under Agoseris)
Synonym
Agoseris grandiflora var. laciniata
(Under Agoseris)
Synonym
Agoseris grandiflora var. leptophyllaNative
Agoseris greenei
(Under Agoseris aurantiaca var. aurantiaca)
Synonym
Agoseris heterophyllaNative
Agoseris heterophylla var. californica
(Under Agoseris heterophylla var. cryptopleura)
Synonym (tjm2)
Agoseris heterophylla var. crenulata
(Under Agoseris heterophylla var. cryptopleura)
Synonym (tjm2)
Agoseris heterophylla var. cryptopleuraNative
Agoseris heterophylla var. heterophyllaNative
Agoseris heterophylla var. turgida
(Under Agoseris heterophylla var. cryptopleura)
Synonym (tjm2)
Agoseris hirsutaNative
Agoseris intermedia
(Under Agoseris grandiflora var. grandiflora)
Synonym
Agoseris laciniata
(Under Agoseris)
Synonym
Agoseris laciniata
(Under Agoseris)
Synonym
Agoseris laciniata
(Under Agoseris)
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 (tjm2)
Agoseris maritima
(Under Agoseris apargioides var. eastwoodiae)
Synonym
Agoseris maritima
(Under Agoseris apargioides var. maritima)
Synonym
Agoseris marshallii
(Under Agoseris grandiflora var. grandiflora)
Synonym
Agoseris monticolaNative
Agoseris obtusifolia
(Under Agoseris grandiflora var. grandiflora)
Synonym
Agoseris parvifloraNative
Agoseris plebeia
(Under Agoseris grandiflora var. grandiflora)
Synonym
Agoseris retrorsaNative
Agoseris tenuifolia
(Under Agoseris)
Synonym
Agoseris tenuifolia
(Under Agoseris)
Synonym
Agoseris tenuifolia
(Under Agoseris)
Synonym
Agrimonia
  ↳  Key to Agrimonia
AGRIMONY
Agrimonia brittoniana
(Under Agrimonia striata)
Synonym (tjm2)
Agrimonia gryposepalaCOMMON AGRIMONYNative
Agrimonia macrocarpa
(Under Agrimonia gryposepala)
Synonym (tjm2)
Agrimonia parviflora var. macrocarpa
(Under Agrimonia gryposepala)
Synonym (tjm2)
Agrimonia striataBRITTON'S AGRIMONY, GROOVED AGRIMONYNative
Agrimonia striata var. campanulata
(Under Agrimonia striata)
Synonym (tjm2)
Agropogon lutosus
(Under Agrostis)
Mentioned in
a note
AgropyronCRESTED WHEAT GRASS
Agropyron cristatum
(Under Elymus trachycaulus subsp. trachycaulus)
Mentioned in
a note
Agropyron cristatum subsp. desertorum
(Under Agropyron cristatum subsp. pectinatum)
Synonym (tjm2)
Agropyron cristatum subsp. pectinatumNaturalized
Agropyron dasystachyum
(Under Elymus lanceolatus subsp. lanceolatus)
Synonym (tjm2)
Agropyron desertorum
(Under Agropyron cristatum subsp. pectinatum)
Synonym (tjm2)
Agropyron elongatum
(Under Elymus ponticus)
Synonym (tjm2)
Agropyron fragile
(Under Agropyron)
Mentioned in
a note
Agropyron intermedium
(Under Elymus hispidus)
Synonym (tjm2)
Agropyron junceum
(Under Elymus)
Mentioned in
a note
Agropyron junceum
(Under Elymus)
Mentioned in
a note
Agropyron junceum
(Under Elymus)
Mentioned in
a note
Agropyron parishii
(Under Elymus stebbinsii)
Synonym (tjm2)
Agropyron pringlei
(Under Elymus sierrae)
Synonym (tjm2)
Agropyron repens
(Under Elymus repens)
Synonym
Agropyron riparium
(Under Elymus lanceolatus subsp. lanceolatus)
Synonym (tjm2)
Agropyron saundersii
(Under Elymus elymoides)
Mentioned in
a note
Agropyron saxicola
(Under Elymus elymoides)
Mentioned in
a note
Agropyron saxicola
(Under Elymus spicatus)
Mentioned in
a note
Agropyron scribneri
(Under Elymus scribneri)
Synonym (tjm2)
Agropyron smithii
(Under Elymus smithii)
Synonym
Agropyron spicatum
(Under Elymus spicatus)
Synonym (tjm2)
Agropyron trachycaulum
(Under Elymus trachycaulus subsp. trachycaulus)
Synonym (tjm2)
Agropyron trichophorum
(Under Elymus hispidus)
Synonym (tjm2)
AgrostemmaCORN-COCKLE
Agrostemma githago var. githagoNaturalized
Agrostis
  ↳  Key to Agrostis
BENT GRASS
Agrostis alba
(Under Agrostis gigantea)
Synonym
Agrostis alba var. alba
(Under Agrostis stolonifera)
Synonym (tjm2)
Agrostis alba var. palustris
(Under Agrostis stolonifera)
Synonym (tjm2)
Agrostis ampla
(Under Agrostis exarata)
Synonym
Agrostis aristiglumis
(Under Agrostis microphylla)
Synonym (tjm2)
Agrostis avenaceaPACIFIC BENT GRASSNaturalized
Agrostis blasdaleiBLASDALE'S BENT GRASSNative
Agrostis blasdalei var. marinensis
(Under Agrostis blasdalei)
Synonym
Agrostis californica
(Under Agrostis densiflora)
Synonym (tjm2)
Agrostis capillarisCOLONIAL BENTNaturalized
Agrostis clivicola
(Under Agrostis densiflora)
Synonym (tjm2)
Agrostis clivicola var. punta-reyesensis
(Under Agrostis densiflora)
Synonym (tjm2)
Agrostis densifloraCALIFORNIA BENT GRASSNative
Agrostis diegoensis
(Under Agrostis pallens)
Synonym (tjm2)
Agrostis elliottianaSIERRA BENT GRASSNative
Agrostis exarataSPIKE BENT GRASSNative
Agrostis exarata var. monolepis
(Under Agrostis exarata)
Synonym
Agrostis exigua
(Under Agrostis elliottiana)
Synonym (tjm2)
Agrostis filiformis
(Under Agrostis avenacea)
Synonym (tjm2)
Agrostis giganteaREDTOPNaturalized
Agrostis halliiHALL'S BENT GRASSNative
Agrostis hendersoniiHENDERSON'S BENT GRASSNative
Agrostis hooveriHOOVER'S BENT GRASSNative
Agrostis humilisMOUNTAIN BENT GRASSNative
Agrostis idahoensisIDAHO REDTOPNative
Agrostis kennedyana
(Under Agrostis tandilensis)
Synonym (tjm2)
Agrostis lacuna-vernalisVERNAL POOL BENT GRASSNative
Agrostis lepida
(Under Agrostis pallens)
Synonym (tjm2)
Agrostis longiligula var. australis
(Under Agrostis exarata)
Synonym
Agrostis microphyllaSMALL-LEAF BENT GRASSNative
Agrostis microphylla var. hendersonii
(Under Agrostis hendersonii)
Synonym (tjm2)
Agrostis microphylla var. intermedia
(Under Agrostis microphylla)
Synonym (tjm2)
Agrostis nebulosa
(Under Agrostis)
Mentioned in
a note
Agrostis oregonensisOREGON REDTOPNative
Agrostis pallensDUNE BENT GRASSNative
Agrostis scabraROUGH BENT GRASSNative
Agrostis scabra var. geminata
(Under Agrostis scabra)
Synonym (tjm2)
Agrostis semiverticillata
(Under Polypogon viridis)
Synonym (tjm2)
Agrostis stoloniferaCREEPING BENTNaturalized
Agrostis tandilensisKENNEDY'S BENT GRASSNaturalized
Agrostis tenuis
(Under Agrostis capillaris)
Synonym (tjm2)
Agrostis tenuis
(Under Agrostis idahoensis)
Synonym (tjm2)
Agrostis thurberiana
(Under Agrostis humilis)
Synonym (tjm2)
Agrostis variabilisMOUNTAIN BENT GRASSNative
Agrostis viridis
(Under Agrostis)
Mentioned in
a note
Agrostis viridis
(Under Polypogon viridis)
Synonym (tjm2)
Ailanthus
Ailanthus altissimaTREE OF HEAVENNaturalized
Aira
  ↳  Key to Aira
Aira caryophylleaSILVER HAIR GRASSNaturalized
Aira caryophyllea var. capillaris
(Under Aira elegans)
Synonym (tjm2)
Aira caryophyllea var. cupaniana
(Under Aira)
Mentioned in
a note
Aira cupaniana
(Under Aira)
Mentioned in
a note
Aira elegansELEGANT HAIR GRASSNaturalized
Aira elegantissima
(Under Aira elegans)
Synonym (tjm2)
Aira praecoxEARLY HAIR GRASSNaturalized
Aira pulchella
(Under Aira elegans)
Synonym (tjm2)
Aizoaceae
  ↳  Key to Aizoaceae
FIG-MARIGOLD or ICEPLANT FAMILY
Ajuga iva
(Under Iva)
Mentioned in
a note
Albizia
  ↳  Key to Albizia
Albizia julibrissinSILK TREE, MIMOSANaturalized
Albizia lophanthaPLUME ACACIANaturalized
Alcea
Alcea roseaHOLLYHOCKNaturalized
Alchemilla occidentalis
(Under Aphanes occidentalis)
Synonym (tjm2)
Alhagi
Alhagi maurorumCAMEL THORNNaturalized
Alhagi pseudalhagi
(Under Alhagi maurorum)
Synonym (tjm2)
Aliciella
  ↳  Key to Aliciella
Aliciella humillimaSMALLEST ALICIELLANative
Aliciella hutchinsifoliaDESERT PALE ALICIELLANative
Aliciella latifolia subsp. imperialis
(Under Aliciella latifolia subsp. latifolia)
Mentioned in
a note
Aliciella latifolia subsp. latifoliaBROAD-LEAVED ALICIELLANative
Aliciella leptomeriaSAND ALICIELLANative
Aliciella lottiaeLOTT'S ALICIELLANative
Aliciella micromeriaDAINTY ALICIELLANative
Aliciella monoensisMONO LAKE ALICIELLANative
Aliciella ripleyiRIPLEY'S ALICIELLANative
Aliciella subacaulis
(Under Aliciella monoensis)
Synonym (tjm2)
Aliciella triodonCOYOTE GILIANative
Aliciella triodon var. humillima
(Under Aliciella humillima)
Synonym (tjm2)
Alisma
  ↳  Key to Alisma
WATER-PLANTAIN
Alisma geyeri
(Under Alisma gramineum)
Synonym
Alisma gramineumGRASS ALISMANative
Alisma lanceolatumNaturalized
Alisma plantago-aquatica
(Under Alisma triviale)
Synonym (tjm2)
Alisma subcordatum
(Under Alisma triviale)
Synonym
Alisma trivialeNative
Alismataceae
  ↳  Key to Alismataceae
WATER-PLANTAIN FAMILY
AllenrolfeaIODINE BUSH
Allenrolfea occidentalisNative
Alliaceae
  ↳  Key to Alliaceae
ONION or GARLIC FAMILY
AllioniaWINDMILLS
Allionia incarnata
  ↳  Key to Allionia incarnata
Native
Allionia incarnata var. incarnataNative
Allionia incarnata var. nudata
(Under Allionia incarnata var. incarnata)
Synonym (tjm2)
Allionia incarnata var. villosaNative
Allium
  ↳  Key to Allium
ONION, GARLIC
Allium abramsiiNative
Allium acuminatumNative
Allium acuminatum var. gracile
(Under Allium amplectens)
Synonym (tjm2)
Allium amplectensNative
Allium ancepsNative
Allium anserinum
(Under Allium fimbriatum var. fimbriatum)
Synonym (tjm2)
Allium atrorubensNative
Allium atrorubens var. atrorubensGREAT BASIN ONIONNative
Allium atrorubens var. cristatumINYO ONIONNative
Allium atrorubens var. inyonis
(Under Allium atrorubens var. cristatum)
Synonym (tjm2)
Allium attenuifolium
(Under Allium amplectens)
Synonym (tjm2)
Allium attenuifolium var. monospermum
(Under Allium amplectens)
Synonym (tjm2)
Allium bisceptrumNative
Allium bisceptrum var. bisceptrum
(Under Allium bisceptrum)
Synonym
Allium bolanderiNative
Allium bolanderi var. bolanderiNative
Allium bolanderi var. mirabileNative
Allium bolanderi var. stenanthum
(Under Allium bolanderi var. bolanderi)
Synonym (tjm2)
Allium breweri
(Under Allium falcifolium)
Synonym (tjm2)
Allium burlewiiNative
Allium campanulatumNative
Allium cepaWaif
Allium cratericolaNative
Allium crispumNative
Allium croceum
(Under Bloomeria crocea)
Synonym
Allium davisiae
(Under Allium lacunosum var. davisiae)
Synonym (tjm2)
Allium denticulatumNative
Allium denticulatum
(Under Allium denticulatum)
Synonym (tjm2)
Allium diabloense, orth. var.
(Under Allium diabolense)
Synonym (tjm2)
Allium diabolenseNative
Allium dichlamydeumNative
Allium falcifoliumNative
Allium falcifolium var. breweri
(Under Allium falcifolium)
Synonym (tjm2)
Allium falcifolium var. demissum
(Under Allium siskiyouense)
Synonym (tjm2)
Allium fimbriatumNative
Allium fimbriatum subsp. parryi
(Under Allium parryi)
Synonym (tjm2)
Allium fimbriatum var. aboriginum
(Under Allium fimbriatum var. fimbriatum)
Synonym (tjm2)
Allium fimbriatum var. abramsii
(Under Allium abramsii)
Synonym (tjm2)
Allium fimbriatum var. denticulatum
(Under Allium denticulatum)
Synonym (tjm2)
Allium fimbriatum var. diabolense
(Under Allium diabolense)
Synonym (tjm2)
Allium fimbriatum var. fimbriatumNative
Allium fimbriatum var. mohavenseNative
Allium fimbriatum var. munzii
(Under Allium munzii)
Synonym (tjm2)
Allium fimbriatum var. purdyiPURDY'S ONIONNative
Allium fimbriatum var. sharsmithiae
(Under Allium sharsmithiae)
Synonym (tjm2)
Allium haematochitonNative
Allium hickmaniiHICKMAN'S ONIONNative
Allium hoffmaniiBEEGUM ONIONNative
Allium howelliiNative
Allium howellii subsp. sanbenitense
(Under Allium howellii var. sanbenitense)
Synonym (tjm2)
Allium howellii var. clokeyiMOUNT PINOS ONIONNative
Allium howellii var. howelliiNative
Allium howellii var. sanbenitenseNative
Allium howellii var. sanbenitense
(Under Allium howellii var. sanbenitense)
Synonym (tjm2)
Allium hyalinumNative
Allium intactum
(Under Allium sanbornii var. congdonii)
Synonym (tjm2)
Allium jepsoniiJEPSON'S ONIONNative
Allium jepsonii
(Under Allium jepsonii)
Synonym (tjm2)
Allium lacteum
(Under Triteleia hyacinthina)
Synonym (tjm2)
Allium lacunosumNative
Allium lacunosum var. davisiaeNative
Allium lacunosum var. kernenseNative
Allium lacunosum var. kernensis
(Under Allium lacunosum var. kernense)
Synonym (tjm2)
Allium lacunosum var. lacunosumNative
Allium lacunosum var. micranthumNative
Allium lemmoniiNative
Allium marviniiYUCAIPA ONIONNative
Allium membranaceumNative
Allium monospermum
(Under Allium amplectens)
Synonym (tjm2)
Allium monticolaNative
Allium monticola subsp. keckii
(Under Allium monticola)
Synonym (tjm2)
Allium monticola var. keckii
(Under Allium monticola)
Synonym (tjm2)
Allium munziiMUNZ'S ONIONNative
Allium neapolitanumNaturalized
Allium nevadenseNEVADA ONIONNative
Allium nevadense var. cristatum
(Under Allium atrorubens var. cristatum)
Synonym (tjm2)
Allium obtusumNative
Allium obtusum var. conspicuumNative
Allium obtusum var. obtusumNative
Allium occidentale
(Under Allium amplectens)
Synonym (tjm2)
Allium paniculatum var. paniculatumNaturalized
Allium parishiiPARISH'S ONIONNative
Allium parishii var. keckii
(Under Allium monticola)
Synonym (tjm2)
Allium parryiNative
Allium parvumNative
Allium peirsonii
(Under Allium monticola)
Synonym (tjm2)
Allium peninsulareNative
Allium peninsulare var. franciscanumFRANCISCAN ONIONNative
Allium peninsulare var. peninsulareNative
Allium platycauleNative
Allium praecoxNative
Allium punctumDOTTED ONIONNative
Allium sanborniiNative
Allium sanbornii var. congdoniiCONGDON'S ONIONNative
Allium sanbornii var. jepsonii
(Under Allium jepsonii)
Synonym (tjm2)
Allium sanbornii var. sanborniiSANBORN'S ONIONNative
Allium sanbornii var. tuolumnense
(Under Allium tuolumnense)
Synonym (tjm2)
Allium sativumGARLICWaif
Allium serraNative
Allium serratum
(Under Allium amplectens)
Synonym (tjm2)
Allium serratum
(Under Allium serra)
Synonym
Allium sharsmithae, orth. var.
(Under Allium sharsmithiae)
Synonym (tjm2)
Allium sharsmithiaeSHARSMITH'S ONIONNative
Allium sharsmithiae
(Under Allium sharsmithiae)
Synonym (tjm2)
Allium shevockiiSPANISH NEEDLE ONIONNative
Allium siskiyouenseSISKIYOU ONIONNative
Allium stenanthum
(Under Allium bolanderi var. bolanderi)
Synonym (tjm2)
Allium tilingii
(Under Triteleia hyacinthina)
Synonym (tjm2)
Allium tolmiei var. tolmieiNative
Allium tribracteatumTHREE-BRACTED ONIONNative
Allium tribracteatum var. jacintense
(Under Allium cratericola)
Synonym (tjm2)
Allium triquetrumNaturalized
Allium tuolumnenseRAWHIDE HILL ONIONNative
Allium tuolumnense
(Under Allium tuolumnense)
Synonym (tjm2)
Allium unifoliumNative
Allium validumNative
Allium vinealeNaturalized
Allium yosemitenseYOSEMITE ONIONNative
Allocarya californica var. minuta
(Under Plagiobothrys reticulatus var. reticulatus)
Mentioned in
a note
Allocarya parishii
(Under Plagiobothrys parishii)
Synonym (tjm2)
Allolepis texana
(Under Poaceae)
Mentioned in
a note
Allophyllum
  ↳  Key to Allophyllum
Allophyllum divaricatumNative
Allophyllum gilioidesNative
Allophyllum gilioides subsp. gilioidesNative
Allophyllum gilioides subsp. violaceumNative
Allophyllum glutinosumNative
Allophyllum integrifoliumNative
Allophyllum violaceum
(Under Allophyllum gilioides subsp. violaceum)
Synonym (tjm2)
AllotropaSUGAR STICK
Allotropa virgataNative
AlmutasterMARSH ALKALI ASTER
Almutaster pauciflorusNative
Alnus
  ↳  Key to Alnus
ALDER
Alnus cordataITALIAN ALDERWaif
Alnus fruticosa
(Under Alnus viridis subsp. fruticosa)
Synonym (tjm2)
Alnus incana subsp. tenuifoliaMOUNTAIN ALDERNative
Alnus oregona
(Under Alnus rubra)
Synonym (tjm2)
Alnus rhombifoliaWHITE ALDERNative
Alnus rubraRED ALDERNative
Alnus sinuata
(Under Alnus viridis subsp. sinuata)
Synonym (tjm2)
Alnus tenuifolia
(Under Alnus incana subsp. tenuifolia)
Synonym (tjm2)
Alnus viridisGREEN ALDERNative
Alnus viridis subsp. fruticosaSIBERIAN ALDERNative
Alnus viridis subsp. sinuataTHINLEAF or SITKA ALDERNative
Aloe
  ↳  Key to Aloe
Aloe
  ↳  Key to Aloe
Naturalized
Aloe maculataNaturalized
Aloe saponaria
(Under Aloe maculata)
Synonym (tjm2)
Aloe saponaria
(Under Aloe)
Synonym (tjm2)
Aloe saponaria
(Under Aloe)
Synonym (tjm2)
Aloe striata
(Under Aloe)
Mentioned in
a note
Aloe striata
(Under Aloe)
Mentioned in
a note
Aloe striatula
(Under Aloe)
Mentioned in
a note
Aloe striatula
(Under Aloe)
Mentioned in
a note
Alopecurus
  ↳  Key to Alopecurus
FOXTAIL
Alopecurus aequalisSHORT-AWN FOXTAILNative
Alopecurus aequalis var. aequalisNative
Alopecurus aequalis var. sonomensisSONOMA ALOPECURUSNative
Alopecurus aristulatus
(Under Alopecurus aequalis var. aequalis)
Synonym (tjm2)
Alopecurus californicus
(Under Alopecurus saccatus)
Synonym (tjm2)
Alopecurus carolinianusNative
Alopecurus geniculatusWATER FOXTAILNative
Alopecurus howellii
(Under Alopecurus saccatus)
Synonym (tjm2)
Alopecurus myosuroidesNaturalized
Alopecurus pallescens
(Under Alopecurus geniculatus)
Synonym (tjm2)
Alopecurus pratensisMEADOW FOXTAILNaturalized
Alopecurus saccatusNative
Aloysia
Aloysia wrightiiWRIGHT'S BEEBRUSHNative
Aloysia wrightii
(Under Aloysia wrightii)
Synonym (tjm2)
Alternanthera
  ↳  Key to Alternanthera
Alternanthera caracasanaNaturalized
Alternanthera ficoidea var. bettzickiana
(Under Alternanthera)
Mentioned in
a note
Alternanthera lanuginosa
(Under Tidestromia lanuginosa)
Synonym
Alternanthera peploides
(Under Alternanthera caracasana)
Synonym
Alternanthera philoxeroidesALLIGATOR WEEDNaturalized
Alternanthera pungens
(Under Alternanthera caracasana)
Synonym
Alternanthera repens
(Under Alternanthera caracasana)
Synonym
Alternanthera sessilis
(Under Alternanthera)
Mentioned in
a note
Althaea rosea
(Under Alcea rosea)
Synonym (tjm2)
Alyogyne
Alyogyne huegeliiBLUE HIBISCUSWaif
Alyssum
  ↳  Key to Alyssum
Alyssum alyssoidesNaturalized
Alyssum desertorumNaturalized
Alyssum minus subsp. micranthum
(Under Alyssum simplex)
Synonym (tjm2)
Alyssum minus var. micranthum
(Under Alyssum simplex)
Synonym (tjm2)
Alyssum simplexNaturalized
Alyssum strigosum
(Under Alyssum)
Mentioned in
a note
Amaranthaceae
  ↳  Key to Amaranthaceae
AMARANTH FAMILY
Amaranthus
  ↳  Key to Amaranthus
AMARANTH, PIGWEED
Amaranthus albusTUMBLEWEEDNaturalized
Amaranthus arenicolaSAND AMARANTHNaturalized
Amaranthus blitoidesPROCUMBENT PIGWEEDNative
Amaranthus blitum subsp. emarginatusWaif
Amaranthus bouchonii
(Under Amaranthus powellii)
Synonym
Amaranthus californicusCALIFORNIAN AMARANTHNative
Amaranthus caudatusLOVE-LIES-BLEEDING, FOXTAIL AMARANTH, QUILETEWaif
Amaranthus cruentusPURPLE AMARANTHWaif
Amaranthus deflexusNaturalized
Amaranthus emarginatus
(Under Amaranthus blitum subsp. emarginatus)
Synonym
Amaranthus fimbriatusFRINGED AMARANTHNative
Amaranthus graecizans
(Under Amaranthus albus)
Synonym
Amaranthus graecizans
(Under Amaranthus blitoides)
Synonym
Amaranthus hybridusSMOOTH PIGWEED, GREEN AMARANTHNaturalized
Amaranthus hypochondriacusPRINCE'S-FEATHERWaif
Amaranthus palmeriPALMER'S AMARANTHNative
Amaranthus powelliiPOWELL'S AMARANTHNative
Amaranthus powellii subsp. bouchonii
(Under Amaranthus powellii)
Synonym
Amaranthus retroflexusREDROOT PIGWEEDNaturalized
Amaranthus rudis
(Under Amaranthus tuberculatus var. rudis)
Synonym
Amaranthus spinosusSPINY AMARANTH, THORNY AMARANTHWaif
Amaranthus torreyiTORREY'S AMARANTHNative
Amaranthus tuberculatus
(Under Amaranthus)
Mentioned in
a note
Amaranthus tuberculatus var. rudisCOMMON WATERHEMPNaturalized
Amaranthus viridisSLENDER AMARANTHWaif
Amaranthus watsoniiWATSON'S AMARANTHNative
Amaryllidaceae
  ↳  Key to Amaryllidaceae
AMARYLLIS FAMILY
Amaryllis
Amaryllis belladonnaNAKED LADIESNaturalized
Amauriopsis dissecta
(Under Hymenothrix dissecta)
Synonym (tjm2)
Amblyopappus
Amblyopappus pusillusNative
Ambrosia
  ↳  Key to Ambrosia
RAGWEED, BUR-SAGE, BURROBRUSH
Ambrosia
  ↳  Key to Ambrosia
HYBRID BUR-SAGESpontaneous hybrid
Ambrosia acanthicarpaANNUAL BUR-SAGENative
Ambrosia ambrosioidesBIG BUR-SAGENative
Ambrosia artemisiifoliaCOMMON RAGWEEDNaturalized
Ambrosia chamissonisBEACH BUR-SAGENative
Ambrosia chamissonis var. bipinnatisecta
(Under Ambrosia chamissonis)
Synonym (tjm2)
Ambrosia chenopodiifoliaSAN DIEGO BUR-SAGENative
Ambrosia confertifloraNative
Ambrosia dumosaWHITE BUR-SAGENative
Ambrosia eriocentraWOOLLY BUR-SAGENative
Ambrosia ilicifoliaHOLLY-LEAVED BUR-SAGENative
Ambrosia monogyraSINGLEWHORL BURROBRUSHNative
Ambrosia psilostachyaWESTERN RAGWEEDNative
Ambrosia psilostachya var. californica
(Under Ambrosia psilostachya)
Synonym (tjm2)
Ambrosia pumilaSAN DIEGO AMBROSIANative
Ambrosia salsolaCOMMON BURROBRUSH, CHEESEBUSHNative
Ambrosia salsola var. fasciculata
(Under Ambrosia salsola var. salsola)
Synonym (tjm2)
Ambrosia salsola var. pentalepisNative
Ambrosia salsola var. salsolaNative
Ambrosia trifidaGIANT RAGWEEDWaif
Amelanchier
  ↳  Key to Amelanchier
SERVICE-BERRY
Amelanchier alnifoliaNative
Amelanchier alnifolia var. pumilaNative
Amelanchier alnifolia var. semiintegrifoliaNative
Amelanchier florida
(Under Amelanchier alnifolia var. semiintegrifolia)
Synonym
Amelanchier pallida
(Under Amelanchier utahensis)
Mentioned in
a note
Amelanchier pumila
(Under Amelanchier alnifolia var. pumila)
Synonym
Amelanchier utahensisUTAH SERVICE-BERRYNative
Amelanchier utahensis var. covillei
(Under Amelanchier utahensis)
Mentioned in
a note
Amelichloa brachychaeta
(Under Stipa brachychaeta)
Synonym (tjm2)
Amelichloa caudata
(Under Stipa)
Mentioned in
a note
Amelichloa clandestina
(Under Stipa)
Mentioned in
a note
Ammannia
  ↳  Key to Ammannia
Ammannia coccineaNative
Ammannia coccinea subsp. purpurea
(Under Ammannia coccinea)
Synonym (tjm2)
Ammannia coccinea subsp. robusta
(Under Ammannia robusta)
Synonym (tjm2)
Ammannia robustaNative
Ammi
  ↳  Key to Ammi
Ammi majusNaturalized
Ammi visnagaBISNAGANaturalized
Ammobroma sonorae
(Under Pholisma sonorae)
Synonym (tjm2)
AmmophilaBEACHGRASS
Ammophila arenariaEUROPEAN BEACHGRASSNaturalized
Ammophila breviligulata
(Under Ammophila arenaria)
Mentioned in
a note
Ammoselinum
Ammoselinum giganteumDESERT SAND-PARSLEYNative
Amorpha
  ↳  Key to Amorpha
FALSE INDIGO
Amorpha californicaNative
Amorpha californica var. californicaNative
Amorpha californica var. napensisNAPA FALSE INDIGONative
Amorpha fruticosaNative
Amorpha fruticosa var. occidentalis
(Under Amorpha fruticosa)
Synonym (tjm2)
Amorphophallus titanum
(Under Araceae)
Mentioned in
a note
Ampelodesmos mauritanica
(Under Stipa mauritanica)
Synonym (tjm2)
Ampelodesmos mauritanicus
(Under Stipa mauritanica)
Synonym (tjm2)
Amphibromus nervosus
(Under Poaceae)
Mentioned in
a note
AmphipappusCHAFF-BUSH
Amphipappus fremontii
  ↳  Key to Amphipappus fremontii
Native
Amphipappus fremontii var. fremontiiNative
Amphipappus fremontii var. spinosusNative
AmphiscirpusNEVADA BULRUSH
Amphiscirpus nevadensisNative
Amsinckia
  ↳  Key to Amsinckia
FIDDLENECK
Amsinckia douglasianaDOUGLAS' FIDDLENECKNative
Amsinckia eastwoodiaeEASTWOOD'S FIDDLENECKNative
Amsinckia furcataFORKED FIDDLENECKNative
Amsinckia gloriosa
(Under Amsinckia tessellata var. gloriosa)
Synonym (tjm2)
Amsinckia grandifloraLARGE-FLOWERED FIDDLENECKNative
Amsinckia helleri
(Under Amsinckia retrorsa)
Synonym (tjm2)
Amsinckia intermediaCOMMON FIDDLENECKNative
Amsinckia intermedia var. eastwoodiae
(Under Amsinckia eastwoodiae)
Synonym (tjm2)
Amsinckia intermedia var. echinata
(Under Amsinckia intermedia)
Synonym (tjm2)
Amsinckia lunarisBENT-FLOWERED FIDDLENECKNative
Amsinckia lycopsoidesBUGLOSS-FLOWERED FIDDLENECKNative
Amsinckia menziesiiCOMMON FIDDLENECK, SMALL-FLOWERED FIDDLENECKNative
Amsinckia menziesii var. intermedia
(Under Amsinckia douglasiana)
Mentioned in
a note
Amsinckia menziesii var. intermedia
(Under Amsinckia eastwoodiae)
Mentioned in
a note
Amsinckia menziesii var. intermedia
(Under Amsinckia intermedia)
Synonym (tjm2)
Amsinckia menziesii var. intermedia
(Under Amsinckia lycopsoides)
Mentioned in
a note
Amsinckia menziesii var. menziesii
(Under Amsinckia menziesii)
Synonym (tjm2)
Amsinckia menziesii var. menziesii
(Under Amsinckia retrorsa)
Mentioned in
a note
Amsinckia micrantha
(Under Amsinckia menziesii)
Synonym (tjm2)
Amsinckia retrorsaRIGID FIDDLENECKNative
Amsinckia scouleri
(Under Amsinckia spectabilis var. spectabilis)
Synonym (tjm2)
Amsinckia spectabilisNative
Amsinckia spectabilis var. microcarpaMESA FIDDLENECKNative
Amsinckia spectabilis var. sancti-nicolai
(Under Amsinckia spectabilis var. spectabilis)
Synonym (tjm2)
Amsinckia spectabilis var. spectabilisSEASIDE FIDDLENECKNative
Amsinckia straminea
(Under Amsinckia lycopsoides)
Synonym (tjm2)
Amsinckia tessellataNative
Amsinckia tessellata var. elegans
(Under Amsinckia tessellata var. tessellata)
Synonym (tjm2)
Amsinckia tessellata var. gloriosaCARRIZO FIDDLENECKNative
Amsinckia tessellata var. tessellataDESERT FIDDLENECKNative
Amsinckia vernicosaWAXY FIDDLENECKNative
Amsinckia vernicosa var. furcata
(Under Amsinckia furcata)
Synonym (tjm2)
Amsinckia vernicosa var. vernicosa
(Under Amsinckia vernicosa)
Synonym (tjm2)
Amsonia
Amsonia brevifolia
(Under Amsonia tomentosa)
Synonym (tjm2)
Amsonia tomentosaNative
Amsonia tomentosa var. tomentosa
(Under Amsonia tomentosa)
Synonym (tjm2)
Anacardiaceae
  ↳  Key to Anacardiaceae
SUMAC or CASHEW FAMILY
Anacharis canadensis
(Under Elodea canadensis)
Synonym (tjm2)
Anacharis nuttallii
(Under Elodea nuttallii)
Synonym (tjm2)
Anagallis arvensis
(Under Lysimachia arvensis)
Synonym (tjm2)
Anagallis arvensis subsp. arvensis
(Under Lysimachia arvensis)
Synonym (tjm2)
Anagallis arvensis subsp. foemina
(Under Lysimachia arvensis)
Synonym (tjm2)
Anagallis arvensis var. caerulea
(Under Lysimachia arvensis)
Synonym (tjm2)
Anagallis caerulea
(Under Lysimachia arvensis)
Synonym (tjm2)
Anagallis foemina
(Under Lysimachia arvensis)
Synonym (tjm2)
Anagallis minima
(Under Lysimachia minima)
Synonym (tjm2)
AnaphalisPEARLY EVERLASTING
Anaphalis margaritaceaNative
Anchusa
  ↳  Key to Anchusa
ALKANET
Anchusa arvensis
(Under Anchusa)
Mentioned in
a note
Anchusa azureaGARDEN ALKANETWaif
Anchusa officinalisCOMMON ALKANETNaturalized
Anchusa procera
(Under Anchusa officinalis)
Synonym (tjm2)
Ancistrocarphus
  ↳  Key to Ancistrocarphus
GROUNDSTAR, WOOLLY FISHHOOKS
Ancistrocarphus filagineusWOOLLY FISHHOOKSNative
Ancistrocarphus keiliiSANTA YNEZ GROUNDSTARNative
Andrena nigrihirta
(Under Darlingtonia californica)
Mentioned in
a note
Andromeda venulosa
(Under Arctostaphylos hookeri subsp. hookeri)
Synonym (tjm2)
Andropogon
  ↳  Key to Andropogon
BLUESTEM
Andropogon barbinodis
(Under Bothriochloa barbinodis)
Synonym (tjm2)
Andropogon glomeratus var. pumilus
(Under Andropogon glomeratus var. scabriglumis)
Mentioned in
a note
Andropogon glomeratus var. scabriglumisSOUTHWESTERN BUSHY BLUESTEMNative
Andropogon torreyanus
(Under Bothriochloa laguroides subsp. torreyana)
Synonym (tjm2)
Andropogon virginicus var. virginicusBROOMSEDGE BLUESTEMNaturalized
Androsace
  ↳  Key to Androsace
Androsace acuta
(Under Androsace elongata subsp. acuta)
Synonym (tjm2)
Androsace arizonica
(Under Androsace occidentalis)
Synonym (tjm2)
Androsace elongata subsp. acutaCALIFORNIA ANDROSACENative
Androsace filiformisSLENDER-STEMMED ANDROSACENative
Androsace occidentalisWESTERN ROCK-JASMINENative
Androsace occidentalis var. acuta
(Under Androsace elongata subsp. acuta)
Synonym (tjm2)
Androsace occidentalis var. simplex
(Under Androsace occidentalis)
Synonym (tjm2)
Androsace septentrionalisPYGMY-FLOWER ROCK-JASMINENative
Androsace septentrionalis subsp. puberulenta
(Under Androsace septentrionalis)
Synonym (tjm2)
Androsace septentrionalis subsp. subumbellata
(Under Androsace septentrionalis)
Synonym (tjm2)
Androstephium
Androstephium breviflorumSMALL-FLOWERED ANDROSTEPHIUMNative
Anelsonia
Anelsonia eurycarpaNative
Anemone
  ↳  Key to Anemone
ANEMONE
Anemone deltoideaNative
Anemone drummondii subsp. drummondii
(Under Anemone drummondii var. drummondii)
Synonym (tjm2)
Anemone drummondii var. drummondiiNative
Anemone drummondii var. lithophila
(Under Anemone drummondii var. drummondii)
Mentioned in
a note
Anemone grayiNative
Anemone lyalliiNative
Anemone multifida var. hudsoniana
(Under Anemone multifida var. multifida)
Synonym (tjm2)
Anemone multifida var. multifidaNative
Anemone occidentalisNative
Anemone oligantha
(Under Anemone lyallii)
Synonym (tjm2)
Anemone oregana
(Under Anemone grayi)
Mentioned in
a note
Anemone oregana
(Under Anemone lyallii)
Mentioned in
a note
Anemone oregana var. felix
(Under Anemone oregana var. oregana)
Mentioned in
a note
Anemone oregana var. oreganaNative
Anemone quinquefolia var. grayi
(Under Anemone grayi)
Synonym (tjm2)
Anemone quinquefolia var. lyallii
(Under Anemone lyallii)
Synonym (tjm2)
Anemone quinquefolia var. minor
(Under Anemone grayi)
Synonym (tjm2)
Anemone tuberosaNative
Anemopsis
Anemopsis californicaYERBA MANSANative
Anemopsis californica var. subglabra
(Under Anemopsis californica)
Synonym (tjm2)
Anethum
Anethum graveolensDILLNaturalized
Angelica
  ↳  Key to Angelica
Angelica argutaANGELICANative
Angelica breweriNative
Angelica californicaNative
Angelica calliiCALL'S ANGELICANative
Angelica genuflexaNative
Angelica hendersoniiNative
Angelica kingiiKING'S ANGELICANative
Angelica linearilobaNative
Angelica lineariloba var. culbertsonii
(Under Angelica lineariloba)
Synonym (tjm2)
Angelica lucidaSEA-WATCHNative
Angelica tomentosaNative
Angelica tomentosa var. californica
(Under Angelica californica)
Synonym (tjm2)
Angelica tomentosa var. hendersonii
(Under Angelica hendersonii)
Synonym (tjm2)
Anisocarpus
  ↳  Key to Anisocarpus
Anisocarpus madioidesWOODLAND TARWEEDNative
Anisocarpus scabridusSCABRID ALPINE TARPLANTNative
AnisocomaSCALEBUD
Anisocoma acaulisNative
Anisodontea
Anisodontea capensisCAPE MALLOWGarden and urban weed
Anoda
  ↳  Key to Anoda
Anoda cristataVIOLETTASNaturalized
Anoda cristata var. digitata
(Under Anoda cristata)
Synonym (tjm2)
Anoda pentaschistaFIELD ANODAAgricultural weed
Anotites diffusa
(Under Silene menziesii)
Synonym (tjm2)
AnrederaMADEIRA VINE
Anredera cordifoliaMIGNONETTE VINEAgricultural, garden, or urban weed
Antennaria
  ↳  Key to Antennaria
PUSSY-TOES
Antennaria argenteaNative
Antennaria corymbosaNative
Antennaria dimorphaNative
Antennaria dioica var. kernensis
(Under Antennaria umbrinella)
Synonym
Antennaria flagellarisSTOLONIFEROUS PUSSY-TOESNative
Antennaria geyeriNative
Antennaria howellii subsp. howelliiNative
Antennaria lanata
(Under Antennaria)
Mentioned in
a note
Antennaria luzuloidesNative
Antennaria luzuloides subsp. aberransNative
Antennaria luzuloides subsp. luzuloidesNative
Antennaria marginataWHITE-MARGINED EVERLASTINGNative
Antennaria mediaNative
Antennaria media subsp. ciliata
(Under Antennaria pulchella)
Synonym
Antennaria media subsp. media
(Under Antennaria media)
Synonym (tjm2)
Antennaria media subsp. pulchella
(Under Antennaria pulchella)
Synonym
Antennaria microcephala
(Under Antennaria luzuloides subsp. aberrans)
Synonym
Antennaria microphyllaNative
Antennaria pulchellaBEAUTIFUL PUSSY-TOESNative
Antennaria pyramidata
(Under Antennaria luzuloides subsp. aberrans)
Synonym
Antennaria racemosaNative
Antennaria roseaNative
Antennaria rosea subsp. arida
(Under Antennaria rosea)
Mentioned in
a note
Antennaria rosea subsp. confinisNative
Antennaria rosea subsp. pulvinata
(Under Antennaria rosea)
Mentioned in
a note
Antennaria rosea subsp. roseaNative
Antennaria scabra
(Under Antennaria pulchella)
Synonym
Antennaria suffrutescensEVERGREEN EVERLASTINGNative
Antennaria umbrinellaNative
Anthemis
  ↳  Key to Anthemis
DOG-FENNEL, CHAMOMILE
Anthemis arvensisCORN CHAMOMILENaturalized
Anthemis arvensis var. agrestis
(Under Anthemis arvensis)
Synonym
Anthemis cotulaMAYWEEDNaturalized
Anthemis foetida
(Under Anthemis cotula)
Synonym
Anthemis fuscata
(Under Chamaemelum fuscatum)
Synonym (tjm2)
Anthemis tinctoria
(Under Anthemis)
Mentioned in
a note
Anthemis tinctoria
(Under Cota tinctoria)
Synonym (tjm2)
Anthoxanthum
  ↳  Key to Anthoxanthum
VERNAL GRASS, VANILLA GRASS
Anthoxanthum aristatum subsp. aristatumANNUAL VERNAL GRASSNaturalized
Anthoxanthum hirtum
(Under Anthoxanthum)
Mentioned in
a note
Anthoxanthum hirtum
(Under Anthoxanthum nitens subsp. nitens)
Synonym (tjm2)
Anthoxanthum nitens subsp. nitensVANILLA GRASSNative
Anthoxanthum occidentaleCALIFORNIA SWEET GRASSNative
Anthoxanthum odoratumSWEET VERNAL GRASSNaturalized
Anthriscus
Anthriscus caucalisBUR-CHERVILNaturalized
Anthriscus scandicina
(Under Anthriscus caucalis)
Synonym (tjm2)
Anthyllis vulneraria
(Under Fabaceae)
Mentioned in
a note
Antirrhinum
  ↳  Key to Antirrhinum
SNAPDRAGON
Antirrhinum breweri
(Under Antirrhinum vexillocalyculatum subsp. breweri)
Synonym (tjm2)
Antirrhinum confertiflorum
(Under Mohavea confertiflora)
Synonym (tjm2)
Antirrhinum cornutumNative
Antirrhinum cornutum var. leptaleum
(Under Antirrhinum leptaleum)
Synonym (tjm2)
Antirrhinum coulterianumNative
Antirrhinum cyathiferum
(Under Antirrhinum)
Mentioned in
a note
Antirrhinum cyathiferum
(Under Pseudorontium cyathiferum)
Synonym (tjm2)
Antirrhinum filipesNative
Antirrhinum glandulosum
(Under Antirrhinum multiflorum)
Synonym (tjm2)
Antirrhinum kelloggiiNative
Antirrhinum kingiiNative
Antirrhinum leptaleumNative
Antirrhinum majusWaif
Antirrhinum multiflorumNative
Antirrhinum nuttallianumNative
Antirrhinum nuttallianum subsp. nuttallianumNative
Antirrhinum nuttallianum subsp. subsessileNative
Antirrhinum orontiumWaif
Antirrhinum ovatumOVAL-LEAVED SNAPDRAGONNative
Antirrhinum subcordatumDIMORPHIC SNAPDRAGONNative
Antirrhinum vexillo-calyculatum, orth. var.
(Under Antirrhinum vexillocalyculatum)
Synonym (tjm2)
Antirrhinum vexillocalyculatumNative
Antirrhinum vexillocalyculatum subsp. breweriNative
Antirrhinum vexillocalyculatum subsp. intermediumNative
Antirrhinum vexillocalyculatum subsp. vexillocalyculatumNative
Antirrhinum virgaTWIG-LIKE SNAPDRAGONNative
AnulocaulisRINGSTEM
Anulocaulis annulatusNative
Apera
  ↳  Key to Apera
Apera interruptaNaturalized
Apera spica-ventiNaturalized
Apetlorhamnus alnifolia
(Under Rhamnus alnifolia)
Synonym (tjm2)
Aphanes
Aphanes arvensis
(Under Aphanes occidentalis)
Mentioned in
a note
Aphanes microcarpa
(Under Aphanes occidentalis)
Mentioned in
a note
Aphanes occidentalisNative
Aphanisma
Aphanisma blitoidesAPHANISMANative
Apiaceae
  ↳  Key to Apiaceae
CARROT FAMILY
Apiastrum
Apiastrum angustifoliumNative
Apium
  ↳  Key to Apium
Apium graveolensCELERYNaturalized
Apium leptophyllum
(Under Cyclospermum leptophyllum)
Synonym
Apium nodiflorumWaif
Apocynaceae
  ↳  Key to Apocynaceae
DOGBANE FAMILY
Apocynum
  ↳  Key to Apocynum
DOGBANE
Apocynum
(Under Apocynum androsaemifolium)
Synonym (tjm2)
Apocynum androsaemifoliumBITTER DOGBANENative
Apocynum androsaemifolium var. glabrum
(Under Apocynum)
Mentioned in
a note
Apocynum androsaemifolium var. glabrum
(Under Apocynum androsaemifolium)
Synonym (tjm2)
Apocynum androsaemifolium var. nevadense
(Under Apocynum androsaemifolium)
Synonym (tjm2)
Apocynum cannabinumHEMP DOGBANENative
Apocynum cannabinum var. glaberrimum
(Under Apocynum)
Mentioned in
a note
Apocynum cannabinum var. glaberrimum
(Under Apocynum cannabinum)
Synonym (tjm2)
Apocynum diversifolium
(Under Apocynum androsaemifolium)
Synonym (tjm2)
Apocynum medium var. floribundum
(Under Apocynum)
Mentioned in
a note
Apocynum medium var. floribundum
(Under Apocynum androsaemifolium)
Synonym (tjm2)
Apocynum oblongum
(Under Apocynum cannabinum)
Synonym (tjm2)
Apocynum palustre
(Under Apocynum cannabinum)
Synonym (tjm2)
Apocynum pumilum
(Under Apocynum)
Mentioned in
a note
Apocynum pumilum
(Under Apocynum androsaemifolium)
Synonym (tjm2)
Apocynum pumilum var. rhomboideum
(Under Apocynum)
Mentioned in
a note
Apocynum pumilum var. rhomboideum
(Under Apocynum androsaemifolium)
Synonym (tjm2)
Apocynum rhomboideum
(Under Apocynum androsaemifolium)
Synonym (tjm2)
Apocynum sibiricum var. salignum
(Under Apocynum)
Mentioned in
a note
Apocynum sibiricum var. salignum
(Under Apocynum cannabinum)
Synonym (tjm2)
Apocynum viarum
(Under Apocynum androsaemifolium)
Synonym (tjm2)
ApodanthaceaeSTEMSUCKER FAMILY
Aponogeton
Aponogeton distachyon, orth. var.
(Under Aponogeton distachyos)
Synonym (tjm2)
Aponogeton distachyosCAPE-PONDWEEDNaturalized
AponogetonaceaeCAPE-PONDWEED FAMILY
Aptenia
Aptenia cordifoliaBABY SUN-ROSENaturalized
Aptenia lancifolia
(Under Aptenia)
Mentioned in
a note
AquifoliaceaeHOLLY FAMILY
Aquilegia
  ↳  Key to Aquilegia
COLUMBINE
Aquilegia eximiaNative
Aquilegia fontinalis
(Under Aquilegia eximia)
Synonym (tjm2)
Aquilegia formosaNative
Aquilegia formosa f. anomala
(Under Aquilegia formosa)
Synonym (tjm2)
Aquilegia formosa var. caelifax
(Under Aquilegia shockleyi)
Synonym (tjm2)
Aquilegia formosa var. hypolasia
(Under Aquilegia formosa)
Synonym (tjm2)
Aquilegia formosa var. pauciflora
(Under Aquilegia formosa)
Synonym (tjm2)
Aquilegia formosa var. truncata
(Under Aquilegia formosa)
Synonym (tjm2)
Aquilegia mohavensis
(Under Aquilegia shockleyi)
Synonym (tjm2)
Aquilegia pubescensNative
Aquilegia shockleyiNative
Aquilegia tracyi
(Under Aquilegia eximia)
Synonym (tjm2)
Arabidopsis
Arabidopsis thalianaMOUSE-EAR CRESS, THALE CRESSNaturalized
Arabis
  ↳  Key to Arabis
ROCKCRESS
Arabis X divaricarpa
(Under Boechera divaricarpa)
Synonym (tjm2)
Arabis aculeolata
(Under Arabis)
Mentioned in
a note
Arabis arcuata var. rubicundula
(Under Boechera rubicundula)
Synonym
Arabis blepharophyllaCOAST ROCKCRESSNative
Arabis blepharophylla var. macdonaldiana
(Under Arabis mcdonaldiana)
Synonym (tjm2)
Arabis bodiensis
(Under Boechera bodiensis)
Synonym (tjm2)
Arabis breweri
(Under Boechera breweri)
Synonym (tjm2)
Arabis breweri var. austiniae
(Under Boechera breweri subsp. shastaensis)
Synonym (tjm2)
Arabis breweri var. breweri
(Under Boechera breweri subsp. breweri)
Synonym (tjm2)
Arabis breweri var. pecuniaria
(Under Boechera peirsonii)
Synonym (tjm2)
Arabis cobrensis
(Under Boechera cobrensis)
Synonym (tjm2)
Arabis constancei
(Under Boechera constancei)
Synonym (tjm2)
Arabis davidsonii
(Under Boechera davidsonii)
Synonym (tjm2)
Arabis davidsonii var. parva
(Under Boechera davidsonii)
Synonym (tjm2)
Arabis dispar
(Under Boechera dispar)
Synonym (tjm2)
Arabis divaricarpa
(Under Boechera divaricarpa)
Synonym (tjm2)
Arabis divaricarpa var. interposita
(Under Boechera acutina)
Synonym
Arabis drummondii
(Under Boechera stricta)
Synonym (tjm2)
Arabis eschscholtzianaNative
Arabis fernaldiana var. stylosa
(Under Boechera evadens)
Synonym (tjm2)
Arabis glabra
(Under Arabis)
Mentioned in
a note
Arabis glabra
(Under Turritis glabra)
Synonym (tjm2)
Arabis glabra var. furcatipilis
(Under Turritis glabra)
Synonym (tjm2)
Arabis glaucovalvula
(Under Boechera glaucovalvula)
Synonym (tjm2)
Arabis hirshbergiae
(Under Boechera johnstonii)
Synonym (tjm2)
Arabis hirsuta subsp. pycnocarpa
(Under Arabis pycnocarpa var. pycnocarpa)
Synonym
Arabis hirsuta var. eschscholtziana
(Under Arabis eschscholtziana)
Synonym (tjm2)
Arabis hirsuta var. glabrata
(Under Arabis eschscholtziana)
Synonym (tjm2)
Arabis hirsuta var. pycnocarpa
(Under Arabis pycnocarpa var. pycnocarpa)
Synonym (tjm2)
Arabis hoffmannii
(Under Boechera hoffmannii)
Synonym (tjm2)
Arabis holboellii var. pendulocarpa
(Under Boechera pendulocarpa)
Synonym (tjm2)
Arabis holboellii var. pinetorum
(Under Boechera pinetorum)
Synonym (tjm2)
Arabis holboellii var. retrofracta
(Under Boechera retrofracta)
Synonym (tjm2)
Arabis inyoensis
(Under Boechera inyoensis)
Synonym (tjm2)
Arabis johnstonii
(Under Boechera johnstonii)
Synonym (tjm2)
Arabis koehleri
(Under Boechera koehleri)
Synonym (tjm2)
Arabis koehleri var. stipitata
(Under Boechera koehleri)
Synonym (tjm2)
Arabis lemmonii
(Under Boechera lemmonii)
Synonym (tjm2)
Arabis lemmonii var. depauperata
(Under Boechera depauperata)
Synonym (tjm2)
Arabis lemmonii var. lemmonii
(Under Boechera lemmonii)
Synonym (tjm2)
Arabis lyallii
(Under Boechera lyallii)
Synonym (tjm2)
Arabis lyallii var. nubigena
(Under Boechera paupercula)
Synonym (tjm2)
Arabis macdonaldiana
(Under Arabis mcdonaldiana)
Synonym (tjm2)
Arabis mcdonaldianaMCDONALD'S ROCKCRESSNative
Arabis microphylla var. microphylla
(Under Boechera paupercula)
Synonym (tjm2)
Arabis modestaMODEST ROCKCRESSNative
Arabis oreganaOREGON ROCKCRESSNative
Arabis parishii
(Under Boechera parishii)
Synonym (tjm2)
Arabis paupercula
(Under Boechera paupercula)
Synonym (tjm2)
Arabis pendulina
(Under Boechera pendulina)
Synonym (tjm2)
Arabis pendulocarpa
(Under Boechera pendulocarpa)
Synonym (tjm2)
Arabis perennans
(Under Boechera perennans)
Synonym (tjm2)
Arabis pinzlae
(Under Boechera pinzliae)
Synonym (tjm2)
Arabis pinzliae
(Under Boechera pinzliae)
Synonym (tjm2)
Arabis platysperma
(Under Boechera platysperma)
Synonym (tjm2)
Arabis platysperma var. howellii
(Under Boechera howellii)
Synonym (tjm2)
Arabis platysperma var. platysperma
(Under Boechera elkoensis)
Synonym (tjm2)
Arabis pratincola
(Under Boechera pratincola)
Synonym
Arabis puberula
(Under Boechera puberula)
Synonym (tjm2)
Arabis pulchra
(Under Boechera pulchra)
Synonym (tjm2)
Arabis pulchra var. gracilis
(Under Boechera xylopoda)
Synonym (tjm2)
Arabis pulchra var. munciensis
(Under Boechera lincolnensis)
Synonym (tjm2)
Arabis pulchra var. pulchra
(Under Boechera pulchra)
Synonym (tjm2)
Arabis pycnocarpa var. pycnocarpaNative
Arabis pygmaea
(Under Boechera pygmaea)
Synonym (tjm2)
Arabis rectissima
(Under Boechera rectissima)
Synonym (tjm2)
Arabis rectissima var. rectissima
(Under Boechera rectissima)
Synonym (tjm2)
Arabis repanda
(Under Boechera repanda)
Synonym (tjm2)
Arabis repanda var. greenei
(Under Boechera repanda)
Synonym (tjm2)
Arabis repanda var. repanda
(Under Boechera repanda)
Synonym (tjm2)
Arabis retrofracta
(Under Boechera retrofracta)
Synonym (tjm2)
Arabis rigidissima
(Under Boechera rigidissima)
Synonym (tjm2)
Arabis rigidissima var. demota
(Under Boechera rigidissima)
Synonym (tjm2)
Arabis rigidissima var. rigidissima
(Under Boechera rigidissima)
Synonym (tjm2)
Arabis rollei
(Under Boechera rollei)
Synonym (tjm2)
Arabis serpentinicola
(Under Arabis mcdonaldiana)
Synonym (tjm2)
Arabis shockleyi
(Under Boechera shockleyi)
Synonym (tjm2)
Arabis sparsiflora
(Under Boechera sparsiflora)
Synonym (tjm2)
Arabis sparsiflora var. arcuata
(Under Boechera arcuata)
Synonym (tjm2)
Arabis sparsiflora var. californica
(Under Boechera californica)
Synonym (tjm2)
Arabis sparsiflora var. sparsiflora
(Under Boechera sparsiflora)
Synonym (tjm2)
Arabis sparsiflora var. subvillosa
(Under Boechera pauciflora)
Synonym (tjm2)
Arabis subpinnatifida
(Under Boechera subpinnatifida)
Synonym (tjm2)
Arabis suffrutescens
(Under Boechera suffrutescens)
Synonym (tjm2)
Arabis suffrutescens var. horizontalis
(Under Boechera)
Mentioned in
a note
Arabis suffrutescens var. suffrutescens
(Under Boechera suffrutescens)
Synonym (tjm2)
Arabis tiehmii
(Under Boechera tiehmii)
Synonym (tjm2)
Araceae
  ↳  Key to Araceae
ARUM FAMILY
AraliaSPIKENARD
Aralia californicaELK CLOVERNative
Araliaceae
  ↳  Key to Araliaceae
GINSENG FAMILY
AraujiaBLADDER-FLOWER
Araujia sericiferaNaturalized
ArbutusMADRONE
Arbutus menziesiiPACIFIC MADRONENative
Arceuthobium
  ↳  Key to Arceuthobium
DWARF MISTLETOE
Arceuthobium abietinum
(Under Arceuthobium campylopodum)
Synonym (tjm2)
Arceuthobium americanumLODGEPOLE-PINE DWARF MISTLETOENative
Arceuthobium californicum
(Under Arceuthobium campylopodum)
Synonym (tjm2)
Arceuthobium campylopodumWESTERN DWARF MISTLETOENative
Arceuthobium cyanocarpum
(Under Arceuthobium campylopodum)
Synonym (tjm2)
Arceuthobium divaricatum
(Under Arceuthobium campylopodum)
Synonym (tjm2)
Arceuthobium douglasiiDOUGLAS-FIR DWARF MISTLETOENative
Arceuthobium littorum
(Under Arceuthobium campylopodum)
Synonym (tjm2)
Arceuthobium monticola
(Under Arceuthobium campylopodum)
Synonym (tjm2)
Arceuthobium occidentale
(Under Arceuthobium campylopodum)
Synonym (tjm2)
Arceuthobium siskiyouense
(Under Arceuthobium campylopodum)
Synonym (tjm2)
Arceuthobium tsugense
(Under Arceuthobium campylopodum)
Synonym (tjm2)
Arceuthobium tsugense subsp. contortae
(Under Arceuthobium campylopodum)
Synonym (tjm2)
Arceuthobium tsugense subsp. mertensianae
(Under Arceuthobium campylopodum)
Synonym (tjm2)
Arceuthobium tsugense subsp. tsugense
(Under Arceuthobium campylopodum)
Synonym (tjm2)
Arctium
  ↳  Key to Arctium
BURDOCK
Arctium lappaNaturalized
Arctium minusNaturalized
Arctomecon
Arctomecon californica
(Under Arctomecon merriamii)
Mentioned in
a note
Arctomecon merriamiiWHITE BEAR POPPYNative
Arctostaphylos
  ↳  Key to Arctostaphylos
MANZANITA
Arctostaphylos
(Under Arctostaphylos nevadensis subsp. knightii)
Synonym (tjm2)
Arctostaphylos
(Under Arctostaphylos pacifica)
Synonym (tjm2)
Arctostaphylos acuta
(Under Arctostaphylos hookeri subsp. hookeri)
Synonym (tjm2)
Arctostaphylos acutifolia
(Under Arctostaphylos patula)
Synonym (tjm2)
Arctostaphylos andersoniiANDERSON'S MANZANITANative
Arctostaphylos andersonii var. auriculata
(Under Arctostaphylos auriculata)
Synonym (tjm2)
Arctostaphylos andersonii var. imbricata
(Under Arctostaphylos imbricata)
Synonym (tjm2)
Arctostaphylos andersonii var. pajaroensis
(Under Arctostaphylos pajaroensis)
Synonym (tjm2)
Arctostaphylos andersonii var. pallida
(Under Arctostaphylos pallida)
Synonym (tjm2)
Arctostaphylos andersonii var. pechoensis
(Under Arctostaphylos pechoensis)
Synonym (tjm2)
Arctostaphylos auriculataMOUNT DIABLO MANZANITANative
Arctostaphylos bakeriNative
Arctostaphylos bakeri subsp. bakeriBAKER'S MANZANITANative
Arctostaphylos bakeri subsp. sublaevisTHE CEDARS MANZANITANative
Arctostaphylos bowermaniae
(Under Arctostaphylos manzanita subsp. manzanita)
Synonym (tjm2)
Arctostaphylos candidissima
(Under Arctostaphylos canescens subsp. canescens)
Synonym (tjm2)
Arctostaphylos canescensNative
Arctostaphylos canescens subsp. canescensHOARY MANZANITANative
Arctostaphylos canescens subsp. malloryi
(Under Arctostaphylos malloryi)
Synonym (tjm2)
Arctostaphylos canescens subsp. sonomensisSONOMA CANESCENT MANZANITANative
Arctostaphylos canescens var. candidissima
(Under Arctostaphylos canescens subsp. canescens)
Synonym (tjm2)
Arctostaphylos catalinaeSANTA CATALINA ISLAND MANZANITANative
Arctostaphylos chaloneorum
(Under Arctostaphylos pungens)
Synonym (tjm2)
Arctostaphylos cinerea
(Under Arctostaphylos canescens subsp. canescens)
Synonym (tjm2)
Arctostaphylos columbianaCOLUMBIA MANZANITANative
Arctostaphylos columbiana f. tracyi
(Under Arctostaphylos columbiana)
Synonym (tjm2)
Arctostaphylos columbiana subsp. nortensis
(Under Arctostaphylos nortensis)
Synonym (tjm2)
Arctostaphylos columbiana var. tracyi
(Under Arctostaphylos columbiana)
Synonym (tjm2)
Arctostaphylos columbiana var. virgata
(Under Arctostaphylos virgata)
Synonym (tjm2)
Arctostaphylos confertifloraSANTA ROSA ISLAND MANZANITANative
Arctostaphylos crustaceaNative
Arctostaphylos crustacea subsp. crinitaCRINITE MANZANITANative
Arctostaphylos crustacea subsp. crustaceaNative
Arctostaphylos crustacea subsp. eastwoodianaEASTWOOD'S BRITTLE-LEAF MANZANITANative
Arctostaphylos crustacea subsp. insulicolaISLAND MANZANITANative
Arctostaphylos crustacea subsp. roseiROSE'S MANZANITANative
Arctostaphylos crustacea subsp. subcordataSANTA CRUZ ISLAND MANZANITANative
Arctostaphylos cruzensisARROYO DE LA CRUZ MANZANITANative
Arctostaphylos cushingiana
(Under Arctostaphylos glandulosa subsp. cushingiana)
Synonym (tjm2)
Arctostaphylos densifloraVINE HILL MANZANITANative
Arctostaphylos drupacea
(Under Arctostaphylos pringlei subsp. drupacea)
Synonym (tjm2)
Arctostaphylos edmundsiiLITTLE SUR MANZANITANative
Arctostaphylos elegans
(Under Arctostaphylos manzanita subsp. elegans)
Synonym (tjm2)
Arctostaphylos franciscanaFRANCISCAN MANZANITANative
Arctostaphylos gabilanensisGABILAN MOUNTAINS MANZANITANative
Arctostaphylos gabrielensis
(Under Arctostaphylos glandulosa subsp. gabrielensis)
Synonym (tjm2)
Arctostaphylos glandulosaNative
Arctostaphylos glandulosa f. cushingiana
(Under Arctostaphylos glandulosa subsp. cushingiana)
Synonym (tjm2)
Arctostaphylos glandulosa subsp. adamsiiNative
Arctostaphylos glandulosa subsp. crassifoliaDEL MAR MANZANITANative
Arctostaphylos glandulosa subsp. cushingianaCUSHING MANZANITANative
Arctostaphylos glandulosa subsp. gabrielensisSAN GABRIEL MANZANITANative
Arctostaphylos glandulosa subsp. glandulosaNative
Arctostaphylos glandulosa subsp. glaucomollis
(Under Arctostaphylos glandulosa subsp. mollis)
Synonym (tjm2)
Arctostaphylos glandulosa subsp. howelliiNative
Arctostaphylos glandulosa subsp. leucophyllaNative
Arctostaphylos glandulosa subsp. mollisNative
Arctostaphylos glandulosa subsp. zacaensis
(Under Arctostaphylos glandulosa subsp. glandulosa)
Synonym (tjm2)
Arctostaphylos glandulosa var. australis
(Under Arctostaphylos glandulosa subsp. glandulosa)
Synonym (tjm2)
Arctostaphylos glandulosa var. cushingiana
(Under Arctostaphylos glandulosa subsp. cushingiana)
Synonym (tjm2)
Arctostaphylos glandulosa var. howellii
(Under Arctostaphylos glandulosa subsp. howellii)
Synonym (tjm2)
Arctostaphylos glandulosa var. mollis
(Under Arctostaphylos glandulosa subsp. mollis)
Synonym (tjm2)
Arctostaphylos glandulosa var. virgata
(Under Arctostaphylos virgata)
Synonym (tjm2)
Arctostaphylos glaucaNative
Arctostaphylos glauca var. eremicola
(Under Arctostaphylos glauca)
Synonym (tjm2)
Arctostaphylos glauca var. puberula
(Under Arctostaphylos glauca)
Synonym (tjm2)
Arctostaphylos glutinosaSCHREIBER'S MANZANITANative
Arctostaphylos hearstiorum
(Under Arctostaphylos hookeri subsp. hearstiorum)
Synonym (tjm2)
Arctostaphylos hispidulaHOWELL'S MANZANITANative
Arctostaphylos hookeriNative
Arctostaphylos hookeri subsp. franciscana
(Under Arctostaphylos franciscana)
Synonym (tjm2)
Arctostaphylos hookeri subsp. hearstiorumHEARSTS' MANZANITANative
Arctostaphylos hookeri subsp. hookeriHOOKER'S MANZANITANative
Arctostaphylos hookeri subsp. montana
(Under Arctostaphylos montana subsp. montana)
Synonym (tjm2)
Arctostaphylos hookeri subsp. ravenii
(Under Arctostaphylos montana subsp. ravenii)
Synonym (tjm2)
Arctostaphylos hooveriHOOVER'S MANZANITANative
Arctostaphylos howellii
(Under Arctostaphylos glandulosa subsp. howellii)
Synonym (tjm2)
Arctostaphylos imbricataSAN BRUNO MOUNTAIN MANZANITANative
Arctostaphylos imbricata subsp. montaraensis
(Under Arctostaphylos montaraensis)
Synonym (tjm2)
Arctostaphylos insularisNative
Arctostaphylos insularis var. pubescens
(Under Arctostaphylos insularis)
Synonym (tjm2)
Arctostaphylos klamathensisKLAMATH MANZANITANative
Arctostaphylos laevigata
(Under Arctostaphylos manzanita subsp. laevigata)
Synonym (tjm2)
Arctostaphylos lucianaSANTA LUCIA MANZANITANative
Arctostaphylos malloryiMALLORY'S MANZANITANative
Arctostaphylos manzanitaNative
Arctostaphylos manzanita subsp. bakeri
(Under Arctostaphylos bakeri subsp. bakeri)
Synonym (tjm2)
Arctostaphylos manzanita subsp. elegansKONOCTI MANZANITANative
Arctostaphylos manzanita subsp. glaucescensNative
Arctostaphylos manzanita subsp. laevigataCONTRA COSTA MANZANITANative
Arctostaphylos manzanita subsp. manzanitaNative
Arctostaphylos manzanita subsp. roofiiNative
Arctostaphylos manzanita subsp. wieslanderiNative
Arctostaphylos manzanita var. elegans
(Under Arctostaphylos manzanita subsp. elegans)
Synonym (tjm2)
Arctostaphylos mariposa
(Under Arctostaphylos viscida subsp. mariposa)
Synonym (tjm2)
Arctostaphylos mendocinoensis
(Under Arctostaphylos nummularia subsp. mendocinoensis)
Synonym (tjm2)
Arctostaphylos mewukkaNative
Arctostaphylos mewukka subsp. mewukkaNative
Arctostaphylos mewukka subsp. trueiTRUE'S MANZANITANative
Arctostaphylos montanaNative
Arctostaphylos montana subsp. montanaMOUNT TAMALPAIS MANZANITANative
Arctostaphylos montana subsp. raveniiPRESIDIO MANZANITANative
Arctostaphylos montaraensisMONTARA MANZANITANative
Arctostaphylos montereyensisTORO MANZANITANative
Arctostaphylos morroensisMORRO MANZANITANative
Arctostaphylos myrtifoliaIONE MANZANITANative
Arctostaphylos nevadensisNative
Arctostaphylos nevadensis subsp. knightiiKNIGHT'S MANZANITANative
Arctostaphylos nevadensis subsp. nevadensisPINE-MAT MANZANITANative
Arctostaphylos nissenanaNISSENAN MANZANITANative
Arctostaphylos nissenana var. arcana
(Under Arctostaphylos nissenana)
Synonym (tjm2)
Arctostaphylos nortensisDEL NORTE MANZANITANative
Arctostaphylos nummulariaNative
Arctostaphylos nummularia subsp. mendocinoensisPYGMY MANZANITANative
Arctostaphylos nummularia subsp. nummulariaNative
Arctostaphylos nummularia subsp. sensitiva
(Under Arctostaphylos sensitiva)
Synonym (tjm2)
Arctostaphylos nummularia var. myrtifolia
(Under Arctostaphylos myrtifolia)
Synonym (tjm2)
Arctostaphylos nummularia var. sensitiva
(Under Arctostaphylos sensitiva)
Synonym (tjm2)
Arctostaphylos obispoensisBISHOP MANZANITANative
Arctostaphylos ohloneanaOHLONE MANZANITANative
Arctostaphylos osoensisOSO MANZANITANative
Arctostaphylos otayensisOTAY MANZANITANative
Arctostaphylos pacificaPACIFIC MANZANITANative
Arctostaphylos pajaroensisPAJARO MANZANITANative
Arctostaphylos pallidaPALLID MANZANITANative
Arctostaphylos parryanaNative
Arctostaphylos parryana subsp. deserticaDESERT MANZANITANative
Arctostaphylos parryana subsp. parryanaPARRY MANZANITANative
Arctostaphylos parryana subsp. tumescensINTERIOR MANZANITANative
Arctostaphylos parryana var. pinetorum
(Under Arctostaphylos patula)
Synonym (tjm2)
Arctostaphylos patulaGREENLEAF MANZANITANative
Arctostaphylos pechoensisPECHO MANZANITANative
Arctostaphylos pechoensis var. cruzensis
(Under Arctostaphylos cruzensis)
Synonym (tjm2)
Arctostaphylos pechoensis var. viridissima
(Under Arctostaphylos viridissima)
Synonym (tjm2)
Arctostaphylos pilosulaSANTA MARGARITA MANZANITANative
Arctostaphylos pilosula subsp. pismoensis
(Under Arctostaphylos pilosula)
Synonym (tjm2)
Arctostaphylos pringlei subsp. drupaceaNative
Arctostaphylos pringlei subsp. pringlei
(Under Arctostaphylos pringlei subsp. drupacea)
Mentioned in
a note
Arctostaphylos pseudopungens
(Under Arctostaphylos pungens)
Synonym (tjm2)
Arctostaphylos pulchella
(Under Arctostaphylos viscida subsp. pulchella)
Synonym (tjm2)
Arctostaphylos pumilaSANDMAT MANZANITANative
Arctostaphylos pungensNative
Arctostaphylos pungens subsp. bakeri
(Under Arctostaphylos bakeri subsp. bakeri)
Synonym (tjm2)
Arctostaphylos pungens subsp. chaloneorum
(Under Arctostaphylos pungens)
Synonym (tjm2)
Arctostaphylos pungens subsp. elegans
(Under Arctostaphylos manzanita subsp. elegans)
Synonym (tjm2)
Arctostaphylos pungens subsp. laevigata
(Under Arctostaphylos manzanita subsp. laevigata)
Synonym (tjm2)
Arctostaphylos pungens subsp. roofii
(Under Arctostaphylos manzanita subsp. roofii)
Synonym (tjm2)
Arctostaphylos pungens var. montana
(Under Arctostaphylos montana subsp. montana)
Synonym (tjm2)
Arctostaphylos pungens var. platyphylla
(Under Arctostaphylos patula)
Synonym (tjm2)
Arctostaphylos purissimaLA PURISIMA MANZANITANative
Arctostaphylos rainbowensisRAINBOW MANZANITANative
Arctostaphylos refugioensisREFUGIO MANZANITANative
Arctostaphylos regismontanaKINGS MOUNTAIN MANZANITANative
Arctostaphylos roofii
(Under Arctostaphylos manzanita subsp. roofii)
Synonym (tjm2)
Arctostaphylos rosei
(Under Arctostaphylos crustacea subsp. rosei)
Synonym (tjm2)
Arctostaphylos rudisSAND MESA MANZANITANative
Arctostaphylos sensitivaNative
Arctostaphylos serpentinicola
(Under Arctostaphylos viscida subsp. pulchella)
Synonym (tjm2)
Arctostaphylos silvicolaBONNY DOON MANZANITANative
Arctostaphylos sonomensis
(Under Arctostaphylos canescens subsp. sonomensis)
Synonym (tjm2)
Arctostaphylos stanfordianaNative
Arctostaphylos stanfordiana subsp. bakeri
(Under Arctostaphylos bakeri subsp. bakeri)
Synonym (tjm2)
Arctostaphylos stanfordiana subsp. decumbensRINCON RIDGE MANZANITANative
Arctostaphylos stanfordiana subsp. hispidula
(Under Arctostaphylos hispidula)
Synonym (tjm2)
Arctostaphylos stanfordiana subsp. raicheiRAICHE'S MANZANITANative
Arctostaphylos stanfordiana subsp. stanfordianaNative
Arctostaphylos stanfordiana var. repens
(Under Arctostaphylos stanfordiana subsp. decumbens)
Synonym (tjm2)
Arctostaphylos subcordata var. confertiflora
(Under Arctostaphylos confertiflora)
Synonym (tjm2)
Arctostaphylos tomentosaNative
Arctostaphylos tomentosa subsp. bracteosaNative
Arctostaphylos tomentosa subsp. crinita
(Under Arctostaphylos crustacea subsp. crinita)
Synonym (tjm2)
Arctostaphylos tomentosa subsp. crustacea
(Under Arctostaphylos crustacea subsp. crustacea)
Synonym (tjm2)
Arctostaphylos tomentosa subsp. daciticolaDACITE MANZANITANative
Arctostaphylos tomentosa subsp. eastwoodiana
(Under Arctostaphylos crustacea subsp. eastwoodiana)
Synonym (tjm2)
Arctostaphylos tomentosa subsp. hebecladaNative
Arctostaphylos tomentosa subsp. insulicola
(Under Arctostaphylos crustacea subsp. insulicola)
Synonym (tjm2)
Arctostaphylos tomentosa subsp. rosei
(Under Arctostaphylos crustacea subsp. rosei)
Synonym (tjm2)
Arctostaphylos tomentosa subsp. subcordata
(Under Arctostaphylos crustacea subsp. subcordata)
Synonym (tjm2)
Arctostaphylos tomentosa subsp. tomentosaNative
Arctostaphylos tomentosa var. crassifolia
(Under Arctostaphylos glandulosa subsp. crassifolia)
Synonym (tjm2)
Arctostaphylos tomentosa var. crinita
(Under Arctostaphylos crustacea subsp. crinita)
Synonym (tjm2)
Arctostaphylos tomentosa var. hebeclada
(Under Arctostaphylos tomentosa subsp. bracteosa)
Synonym (tjm2)
Arctostaphylos tomentosa var. hebeclada
(Under Arctostaphylos tomentosa subsp. hebeclada)
Synonym (tjm2)
Arctostaphylos tomentosa var. trichoclada
(Under Arctostaphylos tomentosa subsp. bracteosa)
Synonym (tjm2)
Arctostaphylos tracyi
(Under Arctostaphylos columbiana)
Synonym (tjm2)
Arctostaphylos truei
(Under Arctostaphylos mewukka subsp. truei)
Synonym (tjm2)
Arctostaphylos uva-ursiBEAR-BERRY, KINNIKINNICKNative
Arctostaphylos uva-ursi f. adenotricha
(Under Arctostaphylos uva-ursi)
Synonym (tjm2)
Arctostaphylos uva-ursi f. coactilis
(Under Arctostaphylos uva-ursi)
Synonym (tjm2)
Arctostaphylos uva-ursi subsp. adenotricha
(Under Arctostaphylos uva-ursi)
Synonym (tjm2)
Arctostaphylos uva-ursi subsp. coactilis
(Under Arctostaphylos uva-ursi)
Synonym (tjm2)
Arctostaphylos uva-ursi subsp. hookeri
(Under Arctostaphylos hookeri subsp. hookeri)
Synonym (tjm2)
Arctostaphylos uva-ursi subsp. monoensis
(Under Arctostaphylos uva-ursi)
Synonym (tjm2)
Arctostaphylos uva-ursi var. coactilis
(Under Arctostaphylos uva-ursi)
Synonym (tjm2)
Arctostaphylos uva-ursi var. leobreweri
(Under Arctostaphylos uva-ursi)
Synonym (tjm2)
Arctostaphylos uva-ursi var. marinensis
(Under Arctostaphylos uva-ursi)
Synonym (tjm2)
Arctostaphylos uva-ursi var. saxicola
(Under Arctostaphylos pacifica)
Synonym (tjm2)
Arctostaphylos virgataMARIN MANZANITANative
Arctostaphylos viridissimaWHITE-HAIRED MANZANITANative
Arctostaphylos viscidaNative
Arctostaphylos viscida subsp. mariposaMARIPOSA MANZANITANative
Arctostaphylos viscida subsp. pulchellaNative
Arctostaphylos viscida subsp. viscidaNative
Arctostaphylos viscosissima
(Under Arctostaphylos hispidula)
Synonym (tjm2)
Arctostaphylos wellsii
(Under Arctostaphylos pilosula)
Synonym (tjm2)
Arctostaphylos zacaensis
(Under Arctostaphylos glandulosa subsp. glandulosa)
Synonym (tjm2)
Arctotheca
  ↳  Key to Arctotheca
Arctotheca calendulaCAPEWEEDNaturalized
Arctotheca calendula
(Under Arctotheca prostrata)
Synonym (tjm2)
Arctotheca prostrataPROSTRATE CAPEWEEDNaturalized
Arctotis
Arctotis fastuosa
(Under Arctotis)
Mentioned in
a note
Arctotis stoechadifolia
(Under Arctotis venusta)
Synonym (tjm2)
Arctotis venustaBLUE-EYED AFRICAN DAISYNaturalized
Arecaceae
  ↳  Key to Arecaceae
PALM FAMILY
Arenaria
  ↳  Key to Arenaria
SANDWORT
Arenaria aculeata
(Under Eremogone aculeata)
Synonym (tjm2)
Arenaria californica
(Under Minuartia californica)
Synonym (tjm2)
Arenaria confusa
(Under Arenaria lanuginosa var. saxosa)
Synonym (tjm2)
Arenaria congesta
(Under Eremogone congesta)
Synonym (tjm2)
Arenaria congesta var. charlestonensis
(Under Eremogone congesta var. charlestonensis)
Synonym (tjm2)
Arenaria congesta var. congesta
(Under Eremogone congesta var. congesta)
Synonym (tjm2)
Arenaria congesta var. crassula
(Under Eremogone congesta var. crassula)
Synonym (tjm2)
Arenaria congesta var. simulans
(Under Eremogone congesta var. simulans)
Synonym (tjm2)
Arenaria congesta var. subcongesta
(Under Eremogone congesta var. subcongesta)
Synonym (tjm2)
Arenaria congesta var. suffrutescens
(Under Eremogone congesta var. suffrutescens)
Synonym (tjm2)
Arenaria douglasii
(Under Minuartia douglasii)
Synonym (tjm2)
Arenaria douglasii var. emarginata
(Under Minuartia douglasii)
Synonym (tjm2)
Arenaria howellii
(Under Minuartia howellii)
Synonym (tjm2)
Arenaria kingii subsp. compacta
(Under Eremogone kingii var. glabrescens)
Synonym (tjm2)
Arenaria kingii var. glabrescens
(Under Eremogone kingii var. glabrescens)
Synonym (tjm2)
Arenaria lanuginosa subsp. saxosa
(Under Arenaria lanuginosa var. saxosa)
Synonym (tjm2)
Arenaria lanuginosa var. saxosaROCK SANDWORT, SPREADING SANDWORTNative
Arenaria macradenia
(Under Eremogone macradenia)
Synonym (tjm2)
Arenaria macradenia subsp. ferrisiae
(Under Eremogone ferrisiae)
Synonym (tjm2)
Arenaria macradenia var. arcuifolia
(Under Eremogone macradenia var. arcuifolia)
Synonym (tjm2)
Arenaria macradenia var. kuschei
(Under Eremogone macradenia var. arcuifolia)
Synonym (tjm2)
Arenaria macradenia var. macradenia
(Under Eremogone macradenia var. macradenia)
Synonym (tjm2)
Arenaria macradenia var. parishiorum
(Under Eremogone macradenia var. macradenia)
Synonym (tjm2)
Arenaria macrophylla
(Under Moehringia macrophylla)
Synonym (tjm2)
Arenaria nuttallii subsp. fragilis
(Under Minuartia nuttallii var. fragilis)
Synonym (tjm2)
Arenaria nuttallii subsp. gracilis
(Under Minuartia nuttallii var. gracilis)
Synonym (tjm2)
Arenaria nuttallii subsp. gregaria
(Under Minuartia nuttallii var. gregaria)
Synonym (tjm2)
Arenaria nuttallii var. gracilis
(Under Minuartia nuttallii var. gracilis)
Synonym (tjm2)
Arenaria obtusiloba
(Under Minuartia obtusiloba)
Synonym (tjm2)
Arenaria paludicolaMARSH SANDWORTNative
Arenaria pumicola var. californica
(Under Eremogone kingii var. glabrescens)
Synonym (tjm2)
Arenaria pusilla
(Under Minuartia pusilla)
Synonym (tjm2)
Arenaria pusilla var. diffusa
(Under Minuartia californica)
Synonym (tjm2)
Arenaria rosei
(Under Minuartia rosei)
Synonym (tjm2)
Arenaria rubella
(Under Minuartia rubella)
Synonym (tjm2)
Arenaria serpyllifolia subsp. serpyllifolia
(Under Arenaria serpyllifolia var. serpyllifolia)
Synonym (tjm2)
Arenaria serpyllifolia var. serpyllifoliaTHYMELEAF SANDWORTNaturalized
Arenaria ursina
(Under Eremogone ursina)
Synonym (tjm2)
Argemone
  ↳  Key to Argemone
PRICKLY POPPY
Argemone corymbosaNative
Argemone munitaCHICALOTENative
Argemone munita subsp. argentea
(Under Argemone munita)
Synonym (tjm2)
Argemone munita subsp. robusta
(Under Argemone munita)
Synonym (tjm2)
Argemone munita subsp. rotundata
(Under Argemone munita)
Synonym (tjm2)
Argyranthemum
Argyranthemum foeniculaceumNaturalized
Argyranthemum frutescens
(Under Argyranthemum)
Mentioned in
a note
Argyrochosma
  ↳  Key to Argyrochosma
Argyrochosma jonesiiJONES' FALSE CLOAK-FERNNative
Argyrochosma limitanea subsp. limitaneaSOUTHWESTERN FALSE CLOAK-FERNNative
Argyrochosma limitanea var. limitanea
(Under Argyrochosma limitanea subsp. limitanea)
Synonym (tjm2)
Argythamnia californica
(Under Ditaxis serrata var. californica)
Synonym (tjm2)
Argythamnia clariana
(Under Ditaxis claryana)
Synonym (tjm2)
Argythamnia claryana
(Under Ditaxis claryana)
Synonym (tjm2)
Argythamnia lanceolata
(Under Ditaxis lanceolata)
Synonym (tjm2)
Argythamnia neomexicana
(Under Ditaxis neomexicana)
Synonym (tjm2)
Arida arizonica
(Under Leucosyris arida)
Synonym (tjm2)
Arida carnosa
(Under Leucosyris carnosa)
Synonym (tjm2)
Aristida
  ↳  Key to Aristida
THREE-AWN
Aristida adscensionisSIXWEEKS THREE-AWNNative
Aristida californicaCALIFORNIA THREE-AWN, MOJAVE THREE-AWNNative
Aristida dichotomaCHURCHMOUSE THREE-AWNNaturalized
Aristida divaricataPOVERTY THREE-AWNNative
Aristida fendleriana
(Under Aristida purpurea var. fendleriana)
Synonym (tjm2)
Aristida glauca
(Under Aristida purpurea var. nealleyi)
Synonym (tjm2)
Aristida hamulosa
(Under Aristida ternipes var. gentilis)
Synonym (tjm2)
Aristida longiseta
(Under Aristida purpurea var. longiseta)
Synonym (tjm2)
Aristida oliganthaOLDFIELD THREE-AWNNative
Aristida orcuttiana
(Under Aristida divaricata)
Mentioned in
a note
Aristida parishii
(Under Aristida purpurea var. parishii)
Synonym (tjm2)
Aristida purpureaNative
Aristida purpurea var. fendlerianaFENDLER THREE-AWNNative
Aristida purpurea var. longisetaRED THREE-AWNNative
Aristida purpurea var. nealleyiNEALLEY THREE-AWNNative
Aristida purpurea var. parishiiPARISH THREE-AWNNative
Aristida purpurea var. purpureaPURPLE THREE-AWNNative
Aristida purpurea var. robusta
(Under Aristida purpurea var. longiseta)
Synonym (tjm2)
Aristida purpurea var. wrightiiWRIGHT THREE-AWNNative
Aristida schiedeana var. orcuttiana
(Under Aristida divaricata)
Mentioned in
a note
Aristida ternipes var. gentilisHOOK THREE-AWNNative
Aristida ternipes var. hamulosa
(Under Aristida ternipes var. gentilis)
Synonym (tjm2)
Aristida wrightii
(Under Aristida purpurea var. wrightii)
Synonym (tjm2)
Aristocapsa
Aristocapsa insignisINDIAN VALLEY SPINEFLOWERNative
AristolochiaPIPEVINE, BIRTHWORT
Aristolochia californicaNative
Aristolochiaceae
  ↳  Key to Aristolochiaceae
PIPEVINE FAMILY
ArmeriaTHRIFT, SEA-PINK
Armeria maritima subsp. californicaNative
Armeria maritima var. californica
(Under Armeria maritima subsp. californica)
Synonym (tjm2)
Armoracia
Armoracia rusticanaHORSE RADISHNaturalized
Arnica
  ↳  Key to Arnica
Arnica
(Under Arnica ovata)
Synonym (tjm2)
Arnica amplexicaulis
(Under Arnica lanceolata subsp. prima)
Synonym (tjm2)
Arnica bernardina
(Under Arnica chamissonis)
Synonym (tjm2)
Arnica cernuaSERPENTINE ARNICANative
Arnica chamissonisCHAMISSO ARNICANative
Arnica chamissonis subsp. foliosa
(Under Arnica chamissonis)
Synonym (tjm2)
Arnica chamissonis var. bernardina
(Under Arnica chamissonis)
Synonym (tjm2)
Arnica cordifoliaHEARTLEAF ARNICANative
Arnica cordifolia var. pumila
(Under Arnica cordifolia)
Mentioned in
a note
Arnica dealbataMOCK LEOPARDBANENative
Arnica discoideaRAYLESS ARNICANative
Arnica discoidea var. alata
(Under Arnica discoidea)
Synonym (tjm2)
Arnica discoidea var. eradiata
(Under Arnica discoidea)
Synonym (tjm2)
Arnica diversifolia
(Under Arnica ovata)
Synonym (tjm2)
Arnica fulgensHILLSIDE ARNICANative
Arnica lanceolata subsp. primaCLASPING ARNICANative
Arnica latifoliaBROADLEAF ARNICANative
Arnica longifoliaSPEARLEAF ARNICANative
Arnica longifolia subsp. myriadenia
(Under Arnica longifolia)
Synonym (tjm2)
Arnica mollisHAIRY ARNICANative
Arnica nevadensisSIERRA ARNICANative
Arnica ovataSTICKY LEAF ARNICANative
Arnica parryiNODDING ARNICANative
Arnica parryi subsp. parryi
(Under Arnica parryi)
Synonym (tjm2)
Arnica parryi subsp. sonnei
(Under Arnica parryi)
Synonym (tjm2)
Arnica sonnei
(Under Arnica parryi)
Synonym (tjm2)
Arnica sororiaTWIN ARNICANative
Arnica spathulataKLAMATH ARNICANative
Arnica spathulata subsp. eastwoodiae
(Under Arnica spathulata)
Synonym (tjm2)
Arnica tomentella
(Under Arnica nevadensis)
Synonym (tjm2)
Arnica venosaSHASTA COUNTY ARNICANative
Arnica viscosaMOUNT SHASTA ARNICANative
ArrhenatherumOAT GRASS
Arrhenatherum elatiusTALL OAT GRASSNaturalized
Arrhenatherum elatius subsp. bulbosum
(Under Arrhenatherum elatius)
Synonym (tjm2)
Arrhenatherum elatius var. biaristatum
(Under Arrhenatherum elatius)
Synonym (tjm2)
Arrhenatherum elatius var. bulbosum
(Under Arrhenatherum elatius)
Synonym (tjm2)
Artemisia
  ↳  Key to Artemisia
MUGWORT, SAGEBRUSH, SAGEWORT
Artemisia absinthium
(Under Artemisia)
Mentioned in
a note
Artemisia annuaSWEET ANNIEWaif
Artemisia arbusculaLOW SAGEBRUSHNative
Artemisia arbuscula subsp. arbusculaNative
Artemisia arbuscula subsp. longilobaNative
Artemisia arbuscula subsp. nova
(Under Artemisia nova)
Synonym (tjm2)
Artemisia arbuscula var. thermopola
(Under Artemisia)
Mentioned in
a note
Artemisia arctica
(Under Artemisia norvegica subsp. saxatilis)
Synonym (tjm2)
Artemisia biennisBIENNIAL WORMWOODNaturalized
Artemisia biennis var. biennis
(Under Artemisia biennis)
Synonym (tjm2)
Artemisia bigeloviiBIGELOW SAGEWORTNative
Artemisia bolanderi
(Under Artemisia cana subsp. bolanderi)
Synonym (tjm2)
Artemisia borealis subsp. borealisBOREAL SAGENative
Artemisia californicaCALIFORNIA SAGEBRUSHNative
Artemisia californica var. insularis
(Under Artemisia nesiotica)
Synonym
Artemisia campestris subsp. borealis
(Under Artemisia borealis subsp. borealis)
Synonym (tjm2)
Artemisia campestris subsp. pacifica
(Under Artemisia)
Mentioned in
a note
Artemisia cana
(Under Artemisia spiciformis)
Mentioned in
a note
Artemisia cana subsp. bolanderiSILVER SAGEBRUSHNative
Artemisia douglasianaMUGWORTNative
Artemisia dracunculusTARRAGONNative
Artemisia lindleyana
(Under Artemisia ludoviciana subsp. incompta)
Synonym (tjm2)
Artemisia ludovicianaSILVER WORMWOODNative
Artemisia ludoviciana subsp. albulaNative
Artemisia ludoviciana subsp. candicansNative
Artemisia ludoviciana subsp. incomptaNative
Artemisia ludoviciana subsp. ludovicianaNative
Artemisia michauxianaLEMON SAGEWORTNative
Artemisia nesioticaISLAND SAGEBRUSHNative
Artemisia norvegica subsp. saxatilisALPINE SAGEWORTNative
Artemisia novaBLACK SAGEBRUSHNative
Artemisia palmeriSAN DIEGO SAGEWORTNative
Artemisia petrophila
(Under Artemisia bigelovii)
Synonym (tjm2)
Artemisia pycnocephalaCOASTAL SAGEWORTNative
Artemisia rothrockiiROTHROCK SAGEBRUSHNative
Artemisia spiciformisSNOWFIELD SAGEBRUSHNative
Artemisia spinescensBUDSAGENative
Artemisia suksdorfiiCOASTAL MUGWORTNative
Artemisia tridentataNative
Artemisia tridentata subsp. bolanderi
(Under Artemisia cana subsp. bolanderi)
Synonym (tjm2)
Artemisia tridentata subsp. parishiiNative
Artemisia tridentata subsp. tridentataBIG SAGEBRUSHNative
Artemisia tridentata subsp. vaseyanaMOUNTAIN SAGEBRUSHNative
Artemisia tridentata subsp. wyomingensisWYOMING SAGEBRUSHNative
ArthrocnemumPICKLEWEED
Arthrocnemum subterminaleNative
Arum
  ↳  Key to Arum
Arum italicumITALIAN ARUMNaturalized
Arum palaestinumBLACK CALLA, SOLOMON'S LILYWaif
AruncusGOAT'S BEARD
Aruncus acuminatus
(Under Aruncus dioicus var. acuminatus)
Synonym (tjm2)
Aruncus dioicus var. acuminatusNative
Aruncus dioicus var. pubescens
(Under Aruncus dioicus var. acuminatus)
Synonym (tjm2)
Arundo
Arundo donaxGIANT REEDNaturalized
Asarum
  ↳  Key to Asarum
WILD-GINGER
Asarum caudatumNative
Asarum hartwegiiNative
Asarum lemmoniiNative
Asarum marmoratumMARBLED WILD-GINGERNative
Asclepias
  ↳  Key to Asclepias
MILKWEED
Asclepias albicansWHITE-STEMMED MILKWEEDNative
Asclepias asperula subsp. asperulaANTELOPE-HORNSNative
Asclepias asperula subsp. capricornu
(Under Asclepias asperula subsp. asperula)
Mentioned in
a note
Asclepias asperula var. decumbens
(Under Asclepias asperula subsp. asperula)
Mentioned in
a note
Asclepias californicaCALIFORNIA MILKWEEDNative
Asclepias californica subsp. californica
(Under Asclepias californica)
Synonym (tjm2)
Asclepias californica subsp. greenei
(Under Asclepias californica)
Synonym (tjm2)
Asclepias capricornu subsp. occidentalis
(Under Asclepias asperula subsp. asperula)
Synonym (tjm2)
Asclepias cordifoliaPURPLE MILKWEEDNative
Asclepias cryptocerasHUMBOLDT MOUNTAINS MILKWEEDNative
Asclepias cryptoceras subsp. cryptoceras
(Under Asclepias cryptoceras)
Synonym (tjm2)
Asclepias cryptoceras subsp. davisii
(Under Asclepias cryptoceras)
Synonym (tjm2)
Asclepias eriocarpaKOTOLONative
Asclepias erosaDESERT MILKWEEDNative
Asclepias fascicularisNARROW-LEAF MILKWEEDNative
Asclepias fruticosaWaif
Asclepias giffordii
(Under Asclepias speciosa)
Synonym (tjm2)
Asclepias latifoliaBROADLEAF MILKWEEDNative
Asclepias nyctaginifoliaMOJAVE MILKWEEDNative
Asclepias solanoanaSERPENTINE MILKWEEDNative
Asclepias speciosaSHOWY MILKWEEDNative
Asclepias subulataRUSH MILKWEEDNative
Asclepias vestitaWOOLLY MILKWEEDNative
Asclepias vestita subsp. parishii
(Under Asclepias vestita)
Synonym (tjm2)
Asclepias vestita subsp. vestita
(Under Asclepias vestita)
Synonym (tjm2)
Asclepias vestita var. parishii
(Under Asclepias vestita)
Synonym (tjm2)
Asclepias vestita var. vestita
(Under Asclepias vestita)
Synonym (tjm2)
AsparagaceaeASPARAGUS FAMILY
Asparagus
  ↳  Key to Asparagus
Asparagus aethiopicusWaif
Asparagus asparagoidesNaturalized
Asparagus densiflorus
(Under Asparagus)
Mentioned in
a note
Asparagus officinalis subsp. officinalisNaturalized
Asparagus plumosus
(Under Asparagus setaceus)
Mentioned in
a note
Asparagus setaceusNaturalized
AsperugoMADWORT
Asperugo procumbensNaturalized
Asphodelaceae
  ↳  Key to Asphodelaceae
ASPHODEL FAMILY
AsphodelusASPHODEL
Asphodelus fistulosusNaturalized
Aspidotis
  ↳  Key to Aspidotis
Aspidotis californicaCALIFORNIA LACE FERNNative
Aspidotis carlotta-halliaeCARLOTTA HALL'S LACE FERNNative
Aspidotis densaDENSE LACE FERNNative
AspleniaceaeSPLEENWORT FAMILY
Asplenium
  ↳  Key to Asplenium
SPLEENWORT
Asplenium septentrionaleNORTHERN SPLEENWORTNative
Asplenium trichomanes subsp. trichomanesMAIDENHAIR SPLEENWORTNative
Asplenium trichomanes-ramosum
(Under Asplenium viride)
Synonym (tjm2)
Asplenium vespertinumWESTERN SPLEENWORTNative
Asplenium virideGREEN SPLEENWORTNative
Astephanus utahense
(Under Funastrum utahense)
Synonym (tjm2)
Aster alpigenus var. andersonii
(Under Oreostemma alpigenum var. andersonii)
Synonym (tjm2)
Aster ascendens
(Under Symphyotrichum ascendens)
Synonym (tjm2)
Aster ascendens var. parryi
(Under Symphyotrichum foliaceum var. parryi)
Synonym (tjm2)
Aster bahamensis
(Under Symphyotrichum subulatum var. elongatum)
Synonym (tjm2)
Aster bernardinus
(Under Symphyotrichum defoliatum)
Synonym (tjm2)
Aster bracteolatus
(Under Symphyotrichum bracteolatum)
Synonym (tjm2)
Aster breweri
(Under Eucephalus breweri)
Synonym (tjm2)
Aster brickellioides
(Under Eucephalus tomentellus)
Synonym (tjm2)
Aster brickellioides var. glabratus
(Under Eucephalus glabratus)
Synonym (tjm2)
Aster campestris
(Under Symphyotrichum campestre)
Synonym (tjm2)
Aster chilensis
(Under Symphyotrichum chilense)
Synonym (tjm2)
Aster chilensis subsp. ascendens
(Under Symphyotrichum ascendens)
Synonym (tjm2)
Aster chilensis var. bernardinus
(Under Symphyotrichum defoliatum)
Synonym (tjm2)
Aster chilensis var. lentus
(Under Symphyotrichum lentum)
Synonym (tjm2)
Aster chilensis var. medius
(Under Symphyotrichum chilense)
Synonym (tjm2)
Aster chilensis var. sonomensis
(Under Symphyotrichum lentum)
Synonym (tjm2)
Aster cognatus
(Under Xylorhiza cognata)
Synonym (tjm2)
Aster eatonii
(Under Symphyotrichum bracteolatum)
Synonym (tjm2)
Aster elmeri
(Under Erigeron elmeri)
Synonym (tjm2)
Aster engelmannii
(Under Eucephalus engelmannii)
Synonym (tjm2)
Aster foliaceus
(Under Symphyotrichum foliaceum)
Synonym (tjm2)
Aster foliaceus
(Under Symphyotrichum hendersonii)
Synonym (tjm2)
Aster foliaceus var. apricus
(Under Symphyotrichum foliaceum var. apricum)
Synonym (tjm2)
Aster foliaceus var. parryi
(Under Symphyotrichum foliaceum var. parryi)
Synonym (tjm2)
Aster frondosus
(Under Symphyotrichum frondosum)
Synonym (tjm2)
Aster greatae
(Under Symphyotrichum greatae)
Synonym (tjm2)
Aster greatai
(Under Symphyotrichum greatae)
Mentioned in
a note
Aster hendersonii
(Under Symphyotrichum hendersonii)
Synonym (tjm2)
Aster hesperius
(Under Symphyotrichum lanceolatum var. hesperium)
Synonym (tjm2)
Aster integrifolius
(Under Eurybia integrifolia)
Synonym (tjm2)
Aster intricatus
(Under Leucosyris carnosa)
Synonym (tjm2)
Aster lanceolatus subsp. hesperius
(Under Symphyotrichum lanceolatum var. hesperium)
Synonym (tjm2)
Aster ledophyllus var. covillei
(Under Eucephalus ledophyllus var. covillei)
Synonym (tjm2)
Aster lentus
(Under Symphyotrichum lentum)
Synonym (tjm2)
Aster lentus var. sonomensis
(Under Symphyotrichum lentum)
Synonym (tjm2)
Aster occidentalis
(Under Symphyotrichum spathulatum)
Synonym (tjm2)
Aster occidentalis var. delectabilis
(Under Symphyotrichum spathulatum var. spathulatum)
Synonym (tjm2)
Aster occidentalis var. intermedius
(Under Symphyotrichum spathulatum var. intermedium)
Synonym (tjm2)
Aster occidentalis var. occidentalis
(Under Symphyotrichum spathulatum var. spathulatum)
Synonym (tjm2)
Aster occidentalis var. parishii
(Under Symphyotrichum spathulatum var. spathulatum)
Synonym (tjm2)
Aster occidentalis var. yosemitanus
(Under Symphyotrichum spathulatum var. yosemitanum)
Synonym (tjm2)
Aster orcuttii
(Under Xylorhiza orcuttii)
Synonym (tjm2)
Aster oregonensis subsp. californicus
(Under Sericocarpus oregonensis subsp. californicus)
Synonym (tjm2)
Aster oregonensis subsp. oregonensis
(Under Sericocarpus oregonensis subsp. oregonensis)
Synonym (tjm2)
Aster paludicola
(Under Symphyotrichum spathulatum var. yosemitanum)
Synonym (tjm2)
Aster pauciflorus
(Under Almutaster pauciflorus)
Synonym (tjm2)
Aster peirsonii
(Under Oreostemma peirsonii)
Synonym (tjm2)
Aster radulinus
(Under Eurybia radulina)
Synonym (tjm2)
Aster scopulorum
(Under Ionactis alpina)
Synonym (tjm2)
Aster sibiricus var. meritus
(Under Eurybia merita)
Synonym (tjm2)
Aster siskiyouensis
(Under Eucephalus glabratus)
Synonym (tjm2)
Aster spathulatus
(Under Symphyotrichum spathulatum)
Synonym (tjm2)
Aster spathulatus var. intermedius
(Under Symphyotrichum spathulatum var. intermedium)
Synonym (tjm2)
Aster spinosus
(Under Chloracantha spinosa var. spinosa)
Synonym (tjm2)
Aster squamatum
(Under Symphyotrichum subulatum var. squamatum)
Synonym (tjm2)
Aster subspicatus
(Under Symphyotrichum subspicatum)
Synonym (tjm2)
Aster subulatus
(Under Symphyotrichum subulatum)
Synonym (tjm2)
Aster subulatus var. cubensis
(Under Symphyotrichum subulatum var. parviflorum)
Synonym (tjm2)
Aster subulatus var. elongatus
(Under Symphyotrichum subulatum var. elongatum)
Synonym (tjm2)
Aster subulatus var. ligulatus
(Under Symphyotrichum subulatum)
Mentioned in
a note
Aster vialis
(Under Eucephalus vialis)
Synonym (tjm2)
Asteraceae
  ↳  Key to Asteraceae
SUNFLOWER FAMILY
Asteriscus maritimus
(Under Pallenis maritima)
Mentioned in
a note
Astragalus
  ↳  Key to Astragalus
LOCOWEED, MILKVETCH
Astragalus accidens var. hendersoniiNative
Astragalus acutirostrisNative
Astragalus agnicidusHUMBOLDT COUNTY MILKVETCHNative
Astragalus agrestisFIELD MILKVETCHNative
Astragalus albensCUSHENBURY MILKVETCHNative
Astragalus allochrous
(Under Astragalus allochrous var. playanus)
Mentioned in
a note
Astragalus allochrous var. playanusPLAYA MILKVETCHNative
Astragalus andersoniiNative
Astragalus antisellii
(Under Astragalus trichopodus var. phoxus)
Synonym (tjm2)
Astragalus antisellii var. gaviotus
(Under Astragalus trichopodus var. phoxus)
Synonym (tjm2)
Astragalus antisellii var. phoxus
(Under Astragalus trichopodus var. phoxus)
Synonym (tjm2)
Astragalus anxiusASH VALLEY MILKVETCHNative
Astragalus argophyllus var. argophyllusSILVER-LEAVED MILKVETCHNative
Astragalus aridusNative
Astragalus asymmetricusNative
Astragalus atratus var. mensanusDARWIN MESA MILKVETCHNative
Astragalus austiniaeNative
Astragalus bernardianus, orth. var.
(Under Astragalus bernardinus)
Synonym (tjm2)
Astragalus bernardinusNative
Astragalus bicristatusCRESTED MILKVETCHNative
Astragalus bolanderiNative
Astragalus brauntoniiBRAUNTON'S MILKVETCHNative
Astragalus breweriBREWER'S MILKVETCHNative
Astragalus californicusKLAMATH MILKVETCHNative
Astragalus calycosus var. calycosusTORREY'S MILKVETCHNative
Astragalus canadensis var. brevidensNative
Astragalus caseiNative
Astragalus cicerCHICKPEA MILKVETCHNaturalized
Astragalus cimae
  ↳  Key to Astragalus cimae
Native
Astragalus cimae var. cimaeCIMA MILKVETCHNative
Astragalus cimae var. sufflatusINFLATED CIMA MILKVETCHNative
Astragalus claranusCLARA HUNT'S MILKVETCHNative
Astragalus clarianus
(Under Astragalus claranus)
Synonym (tjm2)
Astragalus clevelandiiCLEVELAND'S MILKVETCHNative
Astragalus coccineusSCARLET MILKVETCHNative
Astragalus congdoniiNative
Astragalus crotalariaeSALTON MILKVETCHNative
Astragalus curtipesMORRO MILKVETCHNative
Astragalus curvicarpus var. curvicarpusSICKLE MILKVETCHNative
Astragalus deaneiDEAN'S MILKVETCHNative
Astragalus didymocarpus
  ↳  Key to Astragalus didymocarpus
TWO-SEEDED MILKVETCHNative
Astragalus didymocarpus var. daleoides
(Under Astragalus didymocarpus var. didymocarpus)
Synonym (tjm2)
Astragalus didymocarpus var. didymocarpusNative
Astragalus didymocarpus var. dispermusNative
Astragalus didymocarpus var. milesianusMILES' MILKVETCHNative
Astragalus didymocarpus var. obispoensisNative
Astragalus douglasii
  ↳  Key to Astragalus douglasii
DOUGLAS MILKVETCHNative
Astragalus douglasii var. douglasiiNative
Astragalus douglasii var. parishiiNative
Astragalus douglasii var. perstrictusJACUMBA MILKVETCHNative
Astragalus ertteraeWALKER PASS MILKVETCHNative
Astragalus filipesBASALT MILKVETCHNative
Astragalus funereusBLACK MILKVETCHNative
Astragalus gambelianusGAMBEL MILKVETCH, LITTLE BLUE LOCONative
Astragalus gambelianus var. elmeri
(Under Astragalus gambelianus)
Mentioned in
a note
Astragalus geyeri var. geyeriGEYER'S MILKVETCHNative
Astragalus gibbsiiGIBBS' MILKVETCHNative
Astragalus gilmaniiGILMAN'S MILKVETCHNative
Astragalus hornii var. horniiHORN'S MILKVETCHNative
Astragalus insularis var. harwoodiiHARWOOD'S MILKVETCHNative
Astragalus inversusSUSANVILLE MILKVETCHNative
Astragalus inyoensisINYO MILKVETCHNative
Astragalus iodanthus
  ↳  Key to Astragalus iodanthus
Native
Astragalus iodanthus var. diaphanoidesSNAKE MILKVETCHNative
Astragalus iodanthus var. iodanthusHUMBOLDT RIVER MILKVETCHNative
Astragalus iodanthus var. pseudiodanthus
(Under Astragalus pseudiodanthus)
Synonym (tjm2)
Astragalus jaegerianusLANE MOUNTAIN MILKVETCHNative
Astragalus johannis-howelliiLONG VALLEY MILKVETCHNative
Astragalus kentrophyta
  ↳  Key to Astragalus kentrophyta
Native
Astragalus kentrophyta var. danausSWEETWATER MOUNTAINS MILKVETCHNative
Astragalus kentrophyta var. elatusSPINY-LEAVED MILKVETCHNative
Astragalus kentrophyta var. implexus
(Under Astragalus kentrophyta var. tegetarius)
Synonym
Astragalus kentrophyta var. tegetariusNative
Astragalus kentrophyta var. ungulatusSPINY MILKVETCHNative
Astragalus layneaeLAYNE MILKVETCHNative
Astragalus lemmoniiLEMMON'S MILKVETCHNative
Astragalus lentiformisLENS-POD MILKVETCHNative
Astragalus lentiginosus
  ↳  Key to Astragalus lentiginosus
FRECKLED MILKVETCHNative
Astragalus lentiginosus var. albifoliusNative
Astragalus lentiginosus var. antoniusSAN ANTONIO MILKVETCHNative
Astragalus lentiginosus var. borreganusBORREGO MILKVETCHNative
Astragalus lentiginosus var. carinatus
(Under Astragalus lentiginosus var. lentiginosus)
Synonym (tjm2)
Astragalus lentiginosus var. chartaceusNative
Astragalus lentiginosus var. coachellaeCOACHELLA VALLEY MILKVETCHNative
Astragalus lentiginosus var. coulteri
(Under Astragalus lentiginosus var. borreganus)
Synonym (tjm2)
Astragalus lentiginosus var. floribundusNative
Astragalus lentiginosus var. fremontiiFREMONT'S MILKVETCHNative
Astragalus lentiginosus var. idriensisNative
Astragalus lentiginosus var. ineptusNative
Astragalus lentiginosus var. kernensisKERN PLATEAU MILKVETCHNative
Astragalus lentiginosus var. lentiginosusNative
Astragalus lentiginosus var. micansSHINING MILKVETCHNative
Astragalus lentiginosus var. nigricalycisNative
Astragalus lentiginosus var. piscinensisFISH SLOUGH MILKVETCHNative
Astragalus lentiginosus var. platyphyllidius
(Under Astragalus lentiginosus var. chartaceus)
Synonym (tjm2)
Astragalus lentiginosus var. salinusNative
Astragalus lentiginosus var. semotusNative
Astragalus lentiginosus var. sesquimetralisSODAVILLE MILKVETCHNative
Astragalus lentiginosus var. sierraeBIG BEAR VALLEY MILKVETCHNative
Astragalus lentiginosus var. variabilisNative
Astragalus leucolobusBIG BEAR VALLEY WOOLLYPODNative
Astragalus leucopsis
(Under Astragalus trichopodus var. lonchus)
Synonym (tjm2)
Astragalus leucopsis var. lonchus
(Under Astragalus trichopodus var. lonchus)
Synonym (tjm2)
Astragalus macrodonSALINAS MILKVETCHNative
Astragalus magdalenae var. peirsoniiPEIRSON'S MILKVETCHNative
Astragalus malacusNative
Astragalus miguelensisSAN MIGUEL ISLAND MILKVETCHNative
Astragalus minthorniae var. villosusNative
Astragalus mohavensis
  ↳  Key to Astragalus mohavensis
Native
Astragalus mohavensis var. hemigyrusCURVED-POD MILKVETCHNative
Astragalus mohavensis var. mohavensisNative
Astragalus monoensisMONO MILKVETCHNative
Astragalus monoensis var. ravenii
(Under Astragalus ravenii)
Synonym (tjm2)
Astragalus neviniiSAN CLEMENTE ISLAND MILKVETCHNative
Astragalus newberryi
(Under Astragalus coccineus)
Mentioned in
a note
Astragalus newberryi var. newberryiNEWBERRY'S MILKVETCHNative
Astragalus nutansPROVIDENCE MOUNTAINS MILKVETCHNative
Astragalus nuttallianus
  ↳  Key to Astragalus nuttallianus
SMALL-FLOWERED MILKVETCHNative
Astragalus nuttallianus var. austrinusPossibly in ca
Astragalus nuttallianus var. cedrosensisNative
Astragalus nuttallianus var. imperfectusNative
Astragalus nuttallii
  ↳  Key to Astragalus nuttallii
NUTTALL'S MILKVETCHNative
Astragalus nuttallii var. nuttalliiOCEAN BLUFF MILKVETCHNative
Astragalus nuttallii var. virgatusNative
Astragalus obscurusNative
Astragalus oocarpusSAN DIEGO MILKVETCHNative
Astragalus oophorous var. lavinii
(Under Astragalus oophorus var. lavinii)
Synonym
Astragalus oophorous var. oophorous
(Under Astragalus oophorus var. oophorus)
Synonym
Astragalus oophorous, orth. var.
(Under Astragalus oophorus)
Synonym (tjm2)
Astragalus oophorus
  ↳  Key to Astragalus oophorus
Native
Astragalus oophorus var. laviniiLAVIN'S MILKVETCHNative
Astragalus oophorus var. oophorusEGG MILKVETCHNative
Astragalus oxyphysusSTANISLAUS MILKVETCHNative
Astragalus pachypus
  ↳  Key to Astragalus pachypus
Native
Astragalus pachypus var. jaegeriJAEGER'S BUSH MILKVETCHNative
Astragalus pachypus var. pachypusBUSH MILKVETCHNative
Astragalus palmeriNative
Astragalus panamintensisNative
Astragalus pauperculusDEPAUPERATE MILKVETCHNative
Astragalus platytropisBROAD-KEELED MILKVETCHNative
Astragalus pomonensisNative
Astragalus preussii
  ↳  Key to Astragalus preussii
Native
Astragalus preussii var. laxiflorusLANCASTER MILKVETCHNative
Astragalus preussii var. preussiiPREUSS' MILKVETCHNative
Astragalus pseudiodanthusTONOPAH MILKVETCHNative
Astragalus pulsiferae
  ↳  Key to Astragalus pulsiferae
Native
Astragalus pulsiferae var. coronensisMODOC PLATEAU MILKVETCHNative
Astragalus pulsiferae var. pulsiferaePULSIFER'S MILKVETCHNative
Astragalus pulsiferae var. suksdorfiiSUKSDORF'S MILKVETCHNative
Astragalus purshii
  ↳  Key to Astragalus purshii
PURSH'S MILKVETCHNative
Astragalus purshii var. funereus
(Under Astragalus funereus)
Synonym (tjm2)
Astragalus purshii var. lagopinusNative
Astragalus purshii var. lectulusNative
Astragalus purshii var. longilobus
(Under Astragalus purshii var. tinctus)
Synonym (tjm2)
Astragalus purshii var. purshiiNative
Astragalus purshii var. tinctusNative
Astragalus pycnostachyus
  ↳  Key to Astragalus pycnostachyus
Native
Astragalus pycnostachyus var. lanosissimusVENTURA MARSH MILKVETCHNative
Astragalus pycnostachyus var. pycnostachyusCOASTAL MARSH MILKVETCHNative
Astragalus rattanii
  ↳  Key to Astragalus rattanii
Native
Astragalus rattanii var. jepsonianusJEPSON'S MILKVETCHNative
Astragalus rattanii var. rattaniiRATTAN'S MILKVETCHNative
Astragalus raveniiRAVEN'S MILKVETCHNative
Astragalus sabulonumNative
Astragalus sepultipesBISHOP MILKVETCHNative
Astragalus serenoi var. shockleyiSHOCKLEY'S MILKVETCHNative
Astragalus shevockiiSHEVOCK'S MILKVETCHNative
Astragalus subvestitusKERN COUNTY MILKVETCHNative
Astragalus tegetarioides var. anxius
(Under Astragalus anxius)
Synonym (tjm2)
Astragalus tener
  ↳  Key to Astragalus tener
Native
Astragalus tener var. ferrisiaeFERRIS' MILKVETCHNative
Astragalus tener var. tenerALKALI MILKVETCHNative
Astragalus tener var. titiCOASTAL DUNES MILKVETCHNative
Astragalus tephrodes var. brachylobusPossibly in ca
Astragalus tidestromiiTIDESTROM'S MILKVETCHNative
Astragalus traskiaeTRASK'S MILKVETCHNative
Astragalus tricarinatusTRIPLE-RIBBED MILKVETCHNative
Astragalus trichopodus
  ↳  Key to Astragalus trichopodus
Native
Astragalus trichopodus var. lonchusNative
Astragalus trichopodus var. phoxusANTISELL MILKVETCHNative
Astragalus trichopodus var. trichopodusSANTA BARBARA MILKVETCHNative
Astragalus umbraticusBALD MOUNTAIN MILKVETCHNative
Astragalus vaseyi
(Under Astragalus palmeri)
Synonym (tjm2)
Astragalus webberiWEBBER'S MILKVETCHNative
Astragalus whitneyi
  ↳  Key to Astragalus whitneyi
BALLOON MILKVETCHNative
Astragalus whitneyi var. confususNative
Astragalus whitneyi var. lenophyllusWOOLLY-LEAVED MILKVETCHNative
Astragalus whitneyi var. siskiyouensisNative
Astragalus whitneyi var. whitneyiNative
Astragalus wootoni var. wootoni
(Under Astragalus allochrous var. playanus)
Synonym (tjm2)
Astrolepis
Astrolepis cochisensisSCALY CLOAK-FERNNative
AsyneumaHAREBELL
Asyneuma prenanthoidesNative
AthyriaceaeLADY FERN FAMILY
Athyrium
  ↳  Key to Athyrium
LADY FERN
Athyrium alpestre var. americanum
(Under Athyrium distentifolium var. americanum)
Synonym (tjm2)
Athyrium distentifolium var. americanumNative
Athyrium distentifolium var. distentifolium
(Under Athyrium distentifolium var. americanum)
Mentioned in
a note
Athyrium filix-femina
(Under Thelypteris nevadensis)
Mentioned in
a note
Athyrium filix-femina var. californicum
(Under Athyrium filix-femina var. cyclosorum)
Synonym (tjm2)
Athyrium filix-femina var. cyclosorumNative
Athyrium filix-femina var. sitchense
(Under Athyrium filix-femina var. cyclosorum)
Synonym (tjm2)
Athysanus
  ↳  Key to Athysanus
Athysanus pusillusNative
Athysanus unilateralisNative
Atocion armeria
(Under Silene)
Mentioned in
a note
Atocion armeria
(Under Silene armeria)
Synonym (tjm2)
AtrichoserisGRAVEL-GHOST
Atrichoseris platyphyllaNative
Atriplex
  ↳  Key to Atriplex
SALTBUSH, ORACH
Atriplex amnicolaSWAMP SALTBUSHNaturalized
Atriplex argenteaSILVERSCALENative
Atriplex argentea subsp. expansa
(Under Atriplex argentea var. expansa)
Synonym (tjm2)
Atriplex argentea var. argenteaNative
Atriplex argentea var. expansaNative
Atriplex argentea var. hillmaniiHILLMAN'S SILVERSCALENative
Atriplex argentea var. longitrichomaPAHRUMP ORACHNative
Atriplex argentea var. mohavensis
(Under Atriplex argentea var. expansa)
Synonym (tjm2)
Atriplex bracteosa
(Under Atriplex serenana)
Synonym
Atriplex californica
(Under Atriplex)
Mentioned in
a note
Atriplex californica
(Under Extriplex californica)
Synonym (tjm2)
Atriplex canescensFOUR-WING SALTBUSHNative
Atriplex canescens subsp. canescens
(Under Atriplex canescens var. canescens)
Synonym (tjm2)
Atriplex canescens subsp. linearis
(Under Atriplex canescens var. linearis)
Synonym (tjm2)
Atriplex canescens var. canescensNative
Atriplex canescens var. laciniataCALEB SALTBUSHNative
Atriplex canescens var. linearisSLENDERLEAF SALTBUSHNative
Atriplex canescens var. macilentaSALTON SALTBUSHNative
Atriplex confertifoliaSHADSCALENative
Atriplex cordulataHEARTSCALENative
Atriplex cordulata var. cordulataNative
Atriplex cordulata var. erecticaulisEARLIMART ORACHNative
Atriplex cordulata var. tularensis
(Under Atriplex tularensis)
Synonym
Atriplex coronataNative
Atriplex coronata var. coronataCROWNSCALENative
Atriplex coronata var. notatiorSAN JACINTO VALLEY CROWNSCALENative
Atriplex coronata var. vallicolaLOST HILLS CROWNSCALENative
Atriplex coronata var. verna
(Under Atriplex coronata var. coronata)
Synonym
Atriplex coulteriCOULTER'S SALTBUSHNative
Atriplex covillei
(Under Atriplex)
Mentioned in
a note
Atriplex covillei
(Under Stutzia covillei)
Synonym (tjm2)
Atriplex crassipes
(Under Atriplex)
Mentioned in
a note
Atriplex curvidens
(Under Atriplex polycarpa)
Synonym
Atriplex davidsonii
(Under Atriplex serenana var. davidsonii)
Synonym
Atriplex decumbens
(Under Atriplex watsonii)
Synonym
Atriplex depressaBRITTLESCALENative
Atriplex dioicaTHICKLEAF ORACHNative
Atriplex elegansWHEELSCALENative
Atriplex elegans subsp. fasciculata
(Under Atriplex elegans var. fasciculata)
Synonym
Atriplex elegans var. elegansNative
Atriplex elegans var. fasciculataMECCA ORACHNative
Atriplex erecticaulis
(Under Atriplex cordulata var. erecticaulis)
Synonym
Atriplex expansa
(Under Atriplex argentea var. expansa)
Synonym (tjm2)
Atriplex falcata
(Under Atriplex gardneri var. falcata)
Synonym
Atriplex fasciculata
(Under Atriplex elegans var. fasciculata)
Synonym
Atriplex flagellaris
(Under Atriplex semibaccata)
Synonym
Atriplex fruticulosaBALLSCALE, LITTLE OAK ORACHNative
Atriplex gardneri var. falcataFALCATE SALTBUSHNative
Atriplex glaucaNaturalized
Atriplex gmelinii var. gmeliniiGMELIN'S SALTBUSHNative
Atriplex halimoides
(Under Atriplex lindleyi)
Synonym
Atriplex hastata
(Under Atriplex prostrata)
Synonym
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 hortensisGARDEN ORACHNaturalized
Atriplex hymenelytraDESERT-HOLLYNative
Atriplex joaquinana
(Under Atriplex)
Mentioned in
a note
Atriplex joaquinana
(Under Extriplex joaquinana)
Synonym (tjm2)
Atriplex joaquiniana, orth. var.
(Under Extriplex joaquinana)
Synonym (tjm2)
Atriplex johnstonii
(Under Atriplex nummularia)
Synonym
Atriplex lentiformisBIG SALTBUSHNative
Atriplex lentiformis subsp. breweri
(Under Atriplex lentiformis)
Mentioned in
a note
Atriplex lentiformis subsp. torreyi
(Under Atriplex torreyi var. torreyi)
Synonym (tjm2)
Atriplex lentiformis var. torreyi
(Under Atriplex torreyi var. torreyi)
Synonym (tjm2)
Atriplex leucophyllaBEACH SALTBUSHNative
Atriplex lindleyiNaturalized
Atriplex linearis
(Under Atriplex canescens var. linearis)
Synonym (tjm2)
Atriplex longitrichoma
(Under Atriplex argentea var. longitrichoma)
Synonym
Atriplex micranthaRUSSIAN ATRIPLEXNaturalized
Atriplex minusculaLESSER SALTSCALENative
Atriplex nitens
(Under Atriplex hortensis)
Synonym
Atriplex nummulariaNaturalized
Atriplex nuttallii
(Under Atriplex canescens)
Synonym
Atriplex nuttallii var. falcata
(Under Atriplex gardneri var. falcata)
Synonym
Atriplex pacificaSOUTH COAST SALTSCALENative
Atriplex parishiiPARISH'S BRITTLESCALENative
Atriplex parishii var. depressa
(Under Atriplex depressa)
Synonym (tjm2)
Atriplex parishii var. minuscula
(Under Atriplex minuscula)
Synonym (tjm2)
Atriplex parishii var. persistens
(Under Atriplex persistens)
Synonym
Atriplex parishii var. subtilis
(Under Atriplex subtilis)
Synonym (tjm2)
Atriplex parryiNative
Atriplex patulaSPEAR ORACHNative
Atriplex patula subsp. hastata
(Under Atriplex prostrata)
Synonym
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 (tjm2)
Atriplex persistensVERNAL POOL SMALLSCALENative
Atriplex phyllostegia
(Under Stutzia covillei)
Synonym (tjm2)
Atriplex polycarpaALLSCALE SALTBUSHNative
Atriplex prostrataFAT-HENNaturalized
Atriplex pusillaSMOOTH SALTBUSHNative
Atriplex ramosissima
(Under Atriplex pacifica)
Synonym
Atriplex roseaTUMBLING ORACHNaturalized
Atriplex saltonensis
(Under Atriplex elegans var. fasciculata)
Synonym
Atriplex semibaccataAUSTRALIAN SALTBUSHNaturalized
Atriplex serenanaBRACTSCALE, STINKING ORACHNative
Atriplex serenana var. davidsoniiDAVIDSON'S SALTSCALENative
Atriplex serenana var. serenanaNative
Atriplex spicata
(Under Extriplex joaquinana)
Synonym
Atriplex spicata var. lagunita
(Under Extriplex joaquinana)
Synonym
Atriplex spiniferaSPINY SALTBUSHNative
Atriplex subdecumbens
(Under Atriplex truncata)
Synonym
Atriplex suberectaSPRAWLING SALTBUSHNaturalized
Atriplex subspicata
(Under Atriplex dioica)
Synonym (tjm2)
Atriplex subtilisSUBTLE ORACHNative
Atriplex torreyi var. torreyiTORREY'S SALTBUSHNative
Atriplex triangularis
(Under Atriplex prostrata)
Synonym
Atriplex trinervata
(Under Atriplex argentea var. expansa)
Synonym (tjm2)
Atriplex truncataWEDGESCALENative
Atriplex truncata var. stricta
(Under Atriplex truncata)
Synonym
Atriplex tularensisBAKERSFIELD SMALLSCALENative
Atriplex vallicola
(Under Atriplex coronata var. vallicola)
Synonym
Atriplex verna
(Under Atriplex coronata var. coronata)
Synonym
Atriplex watsoniiNative
Aubrieta
Aubrieta deltoideaWaif
Aurinia saxatilis
(Under Brassicaceae)
Mentioned in
a note
Avena
  ↳  Key to Avena
OATS
Avena barbataSLENDER WILD OATNaturalized
Avena fatuaWILD OATNaturalized
Avena fatua var. sativa
(Under Avena sativa)
Synonym (tjm2)
Avena occidentalis
(Under Avena)
Mentioned in
a note
Avena sativaCULTIVATED OATNaturalized
Avena sterilisANIMATED OATNaturalized
Avena strigosa
(Under Avena)
Mentioned in
a note
Avicennia
Avicennia marina var. australasicaGRAY MANGROVENaturalized
Avicennia marina var. resinifera
(Under Avicennia marina var. australasica)
Synonym (tjm2)
Axonopus affinis
(Under Poaceae)
Mentioned in
a note
Axonopus fissifolius
(Under Poaceae)
Mentioned in
a note
Ayenia
Ayenia californica
(Under Ayenia compacta)
Synonym (tjm2)
Ayenia compactaCALIFORNIA AYENIANative
Azolla
  ↳  Key to Azolla
Azolla cristata
(Under Azolla)
Mentioned in
a note
Azolla filiculoidesNative
Azolla mexicana
(Under Azolla microphylla)
Synonym (tjm2)
Azolla microphyllaMEXICAN MOSQUITO FERNNative
AzollaceaeMOSQUITO FERN FAMILY