List of New Mexico Plants
| Plant Name | Scientific Name | Plant CD | Family | Type |
|---|---|---|---|---|
| Abert"s buckwheat | Eriogonum abertianum | ERAB2 | Polygonaceae | Dicot |
| Abert"s creeping zinnia | Sanvitalia abertii | SAAB | Asteraceae | Dicot |
| Abrams" sandmat | Chamaesyce abramsiana | CHAB2 | Euphorbiaceae | Dicot |
| acacia | Acacia | ACACI | Fabaceae | Dicot |
| adder"s-mouth orchid | Malaxis | MALAX | Orchidaceae | Monocot |
| adderstongue | Ophioglossum | OPHIO | Ophioglossaceae | Fern |
| Adonis blazingstar | Mentzelia multiflora | MEMU3 | Loasaceae | Dicot |
| Adonis blazingstar | Mentzelia multiflora var. integra | MEMUI | Loasaceae | Dicot |
| Adonis blazingstar | Mentzelia multiflora var. multiflora | MEMUM2 | Loasaceae | Dicot |
| adoxa | Adoxa | ADOXA | Adoxaceae | Dicot |
| African mustard | Malcolmia africana | MAAF | Brassicaceae | Dicot |
| African sheepbush | Pentzia incana | PEIN4 | Asteraceae | Dicot |
| agave | Agave | AGAVE | Agavaceae | Monocot |
| agoseris | Agoseris | AGOSE | Asteraceae | Dicot |
| agrimony | Agrimonia | AGRIM | Rosaceae | Dicot |
| agropogon | ×Agropogon | AGROP3 | Poaceae | Monocot |
| ailanthus | Ailanthus | AILAN | Simaroubaceae | Dicot |
| airplant | Tillandsia | TILLA2 | Bromeliaceae | Monocot |
| Ajo Mountain scrub oak | Quercus ajoensis | QUAJ | Fagaceae | Dicot |
| Alabama lipfern | Cheilanthes alabamensis | CHAL5 | Pteridaceae | Fern |
| Aladdin"s slippers | Astragalus amphioxys var. vespertinus | ASAMV | Fabaceae | Dicot |
| Alaskan wheatgrass | Elymus alaskanus | ELAL5 | Poaceae | Monocot |
| Alaskan wheatgrass | Elymus alaskanus ssp. latiglumis | ELALL | Poaceae | Monocot |
| Alberta saxifrage | Saxifraga occidentalis | SAOC4 | Saxifragaceae | Dicot |
| albizia | Albizia | ALBIZ | Fabaceae | Dicot |
| Albuquerque prairie clover | Dalea scariosa | DASC4 | Fabaceae | Dicot |
| alder | Alnus | ALNUS | Betulaceae | Dicot |
| alderleaf mountain mahogany | Cercocarpus montanus | CEMO2 | Rosaceae | Dicot |
| alderleaf mountain mahogany | Cercocarpus montanus var. montanus | CEMOM4 | Rosaceae | Dicot |
| alfalfa | Medicago | MEDIC | Fabaceae | Dicot |
| alfalfa | Medicago sativa | MESA | Fabaceae | Dicot |
| alfalfa | Medicago sativa ssp. sativa | MESAS | Fabaceae | Dicot |
| alfalfa dodder | Cuscuta approximata | CUAP2 | Cuscutaceae | Dicot |
| algerita | Mahonia trifoliolata | MATR3 | Berberidaceae | Dicot |
| alhagi | Alhagi | ALHAG | Fabaceae | Dicot |
| aliciella | Aliciella | ALICI | Polemoniaceae | Dicot |
| alkali buttercup | Ranunculus cymbalaria | RACY | Ranunculaceae | Dicot |
| alkali cordgrass | Spartina gracilis | SPGR | Poaceae | Monocot |
| alkali lovegrass | Eragrostis obtusiflora | EROB | Poaceae | Monocot |
| alkali mallow | Malvella leprosa | MALE3 | Malvaceae | Dicot |
| alkali marsh aster | Almutaster | ALMUT2 | Asteraceae | Dicot |
| alkali marsh aster | Almutaster pauciflorus | ALPA14 | Asteraceae | Dicot |
| alkali pepperweed | Lepidium crenatum | LECR12 | Brassicaceae | Dicot |
| alkali sacaton | Sporobolus airoides | SPAI | Poaceae | Monocot |
| alkali sunflower | Helianthus laciniatus | HELA8 | Asteraceae | Dicot |
| alkali swainsonpea | Sphaerophysa salsula | SPSA3 | Fabaceae | Dicot |
| alkali yellowtops | Flaveria campestris | FLCA | Asteraceae | Dicot |
| alkaligrass | Puccinellia | PUCCI | Poaceae | Monocot |
| alkaliweed | Cressa | CRESS | Convolvulaceae | Dicot |
| allenrolfea | Allenrolfea | ALLEN | Chenopodiaceae | Dicot |
| alligator juniper | Juniperus deppeana | JUDE2 | Cupressaceae | Gymnosperm |
| allthorn | Koeberlinia | KOEBE | Capparaceae | Dicot |
| alpine bentgrass | Agrostis humilis | AGHU | Poaceae | Monocot |
| alpine besseya | Besseya alpina | BEAL | Scrophulariaceae | Dicot |
| alpine bistort | Polygonum viviparum | POVI3 | Polygonaceae | Dicot |
| alpine bluebells | Mertensia alpina | MEAL7 | Boraginaceae | Dicot |
| alpine bluegrass | Poa alpina | POAL2 | Poaceae | Monocot |
| alpine cancer-root | Conopholis alpina | COAL6 | Orobanchaceae | Dicot |
| alpine clover | Trifolium dasyphyllum | TRDA2 | Fabaceae | Dicot |
| alpine false goldenaster | Heterotheca pumila | HEPU14 | Asteraceae | Dicot |
| alpine false springparsley | Pseudocymopterus montanus | PSMO | Apiaceae | Dicot |
| alpine fescue | Festuca brachyphylla | FEBR | Poaceae | Monocot |
| alpine feverfew | Parthenium alpinum | PAAL6 | Asteraceae | Dicot |
| alpine forget-me-not | Eritrichium | ERITR | Boraginaceae | Dicot |
| alpine leafybract aster | Symphyotrichum foliaceum | SYFO2 | Asteraceae | Dicot |
| alpine leafybract aster | Symphyotrichum foliaceum var. apricum | SYFOA | Asteraceae | Dicot |
| alpine lewisia | Lewisia pygmaea | LEPY2 | Portulacaceae | Dicot |
| alpine meadow-rue | Thalictrum alpinum | THAL | Ranunculaceae | Dicot |
| alpine milkvetch | Astragalus alpinus | ASAL7 | Fabaceae | Dicot |
| alpine milkvetch | Astragalus alpinus var. alpinus | ASALA4 | Fabaceae | Dicot |
| alpine mountainsorrel | Oxyria digyna | OXDI3 | Polygonaceae | Dicot |
| alpine oatgrass | Helictotrichon | HELIC | Poaceae | Monocot |
| alpine oreoxis | Oreoxis alpina | ORAL | Apiaceae | Dicot |
| alpine oreoxis | Oreoxis alpina ssp. alpina | ORALA | Apiaceae | Dicot |
| alpine pennycress | Noccaea fendleri ssp. glauca | NOFEG | Brassicaceae | Dicot |
| alpine pondweed | Potamogeton alpinus | POAL8 | Potamogetonaceae | Monocot |
| alpine primrose | Primula angustifolia | PRAN | Primulaceae | Dicot |
| alpine sagebrush | Artemisia scopulorum | ARSC | Asteraceae | Dicot |
| alpine spicywintergreen | Gaultheria humifusa | GAHU | Ericaceae | Dicot |
| alpine springbeauty | Claytonia megarhiza | CLME | Portulacaceae | Dicot |
| alpine springbeauty | Claytonia megarhiza var. megarhiza | CLMEM | Portulacaceae | Dicot |
| alpine timothy | Phleum alpinum | PHAL2 | Poaceae | Monocot |
| alpine tundra draba | Draba streptobrachia | DRST5 | Brassicaceae | Dicot |
| alpine willow | Salix petrophila | SAPE18 | Salicaceae | Dicot |
| alpine woodsorrel | Oxalis alpina | OXAL2 | Oxalidaceae | Dicot |
| alplily | Lloydia | LLOYD | Liliaceae | Monocot |
| alsike clover | Trifolium hybridum | TRHY | Fabaceae | Dicot |
| alumroot | Heuchera | HEUCH | Saxifragaceae | Dicot |
| alyssum | Alyssum simplex | ALSI8 | Brassicaceae | Dicot |
| American alpine speedwell | Veronica wormskjoldii | VEWO2 | Scrophulariaceae | Dicot |
| American alpine speedwell | Veronica wormskjoldii var. wormskjoldii | VEWOW | Scrophulariaceae | Dicot |
| American bistort | Polygonum bistortoides | POBI6 | Polygonaceae | Dicot |
| American black currant | Ribes americanum | RIAM2 | Grossulariaceae | Dicot |
| American black elderberry | Sambucus nigra ssp. canadensis | SANIC4 | Caprifoliaceae | Dicot |
| American black nightshade | Solanum americanum | SOAM | Solanaceae | Dicot |
| American bugseed | Corispermum americanum | COAM8 | Chenopodiaceae | Dicot |
| American bugseed | Corispermum americanum var. americanum | COAMA2 | Chenopodiaceae | Dicot |
| American bugseed | Corispermum americanum var. rydbergii | COAMR | Chenopodiaceae | Dicot |
| American common reed | Phragmites australis ssp. americanus | PHAUA6 | Poaceae | Monocot |
| American cranberrybush | Viburnum opulus var. americanum | VIOPA2 | Caprifoliaceae | Dicot |
| American dragonhead | Dracocephalum parviflorum | DRPA2 | Lamiaceae | Dicot |
| American eelgrass | Vallisneria americana | VAAM3 | Hydrocharitaceae | Monocot |
| American licorice | Glycyrrhiza lepidota | GLLE3 | Fabaceae | Dicot |
| American mannagrass | Glyceria grandis | GLGR | Poaceae | Monocot |
| American mannagrass | Glyceria grandis var. grandis | GLGRG | Poaceae | Monocot |
| American plum | Prunus americana | PRAM | Rosaceae | Dicot |
| American pokeweed | Phytolacca americana | PHAM4 | Phytolaccaceae | Dicot |
| American pokeweed | Phytolacca americana var. americana | PHAMA3 | Phytolaccaceae | Dicot |
| American red raspberry | Rubus idaeus | RUID | Rosaceae | Dicot |
| American rockbrake | Cryptogramma acrostichoides | CRAC3 | Pteridaceae | Fern |
| American sloughgrass | Beckmannia syzigachne | BESY | Poaceae | Monocot |
| American speedwell | Veronica americana | VEAM2 | Scrophulariaceae | Dicot |
| American spikenard | Aralia racemosa | ARRA | Araliaceae | Dicot |
| American spikenard | Aralia racemosa ssp. bicrenata | ARRAB2 | Araliaceae | Dicot |
| American star-thistle | Centaurea americana | CEAM2 | Asteraceae | Dicot |
| American tarwort | Flourensia cernua | FLCE | Asteraceae | Dicot |
| American thorow wax | Bupleurum americanum | BUAM2 | Apiaceae | Dicot |
| American threefold | Trixis californica | TRCA8 | Asteraceae | Dicot |
| American vetch | Vicia americana | VIAM | Fabaceae | Dicot |
| American vetch | Vicia americana ssp. americana | VIAMA3 | Fabaceae | Dicot |
| American water horehound | Lycopus americanus | LYAM | Lamiaceae | Dicot |
| American water plantain | Alisma subcordatum | ALSU | Alismataceae | Monocot |
| American white waterlily | Nymphaea odorata | NYOD | Nymphaeaceae | Dicot |
| American white waterlily | Nymphaea odorata ssp. odorata | NYODO | Nymphaeaceae | Dicot |
| American wild carrot | Daucus pusillus | DAPU3 | Apiaceae | Dicot |
| American yellowrocket | Barbarea orthoceras | BAOR | Brassicaceae | Dicot |
| ammocodon | Ammocodon | AMMOC | Nyctaginaceae | Dicot |
| analogue sedge | Carex simulata | CASI2 | Cyperaceae | Monocot |
| Andean prairie clover | Dalea cylindriceps | DACY | Fabaceae | Dicot |
| anemone | Anemone | ANEMO | Ranunculaceae | Dicot |
| angel"s trumpets | Acleisanthes longiflora | ACLO2 | Nyctaginaceae | Dicot |
| angelica | Angelica | ANGEL | Apiaceae | Dicot |
| annual agoseris | Agoseris heterophylla | AGHE2 | Asteraceae | Dicot |
| annual agoseris | Agoseris heterophylla var. heterophylla | AGHEH | Asteraceae | Dicot |
| annual bastardcabbage | Rapistrum rugosum | RARU | Brassicaceae | Dicot |
| annual bluegrass | Poa annua | POAN | Poaceae | Monocot |
| annual buckwheat | Eriogonum annuum | ERAN4 | Polygonaceae | Dicot |
| annual bushsunflower | Simsia lagasceiformis | SILA11 | Asteraceae | Dicot |
| annual canarygrass | Phalaris canariensis | PHCA5 | Poaceae | Monocot |
| annual candyleaf | Stevia micrantha | STMI | Asteraceae | Dicot |
| annual fescue | Vulpia myuros | VUMY | Poaceae | Monocot |
| annual hairgrass | Deschampsia danthonioides | DEDA | Poaceae | Monocot |
| annual marsh elder | Iva annua | IVAN2 | Asteraceae | Dicot |
| annual marsh elder | Iva annua var. annua | IVANA | Asteraceae | Dicot |
| annual muhly | Muhlenbergia minutissima | MUMI2 | Poaceae | Monocot |
| annual rabbitsfoot grass | Polypogon monspeliensis | POMO5 | Poaceae | Monocot |
| annual ragweed | Ambrosia artemisiifolia | AMAR2 | Asteraceae | Dicot |
| annual ragweed | Ambrosia artemisiifolia var. elatior | AMARE | Asteraceae | Dicot |
| annual silver hairgrass | Aira elegans | AIEL4 | Poaceae | Monocot |
| annual Townsend daisy | Townsendia annua | TOAN | Asteraceae | Dicot |
| annual wallrocket | Diplotaxis muralis | DIMU2 | Brassicaceae | Dicot |
| annual wheatgrass | Eremopyrum triticeum | ERTR13 | Poaceae | Monocot |
| annual windmills | Allionia choisyi | ALCH | Nyctaginaceae | Dicot |
| annual yellow sweetclover | Melilotus indicus | MEIN2 | Fabaceae | Dicot |
| anoda | Anoda | ANODA | Malvaceae | Dicot |
| antelope bitterbrush | Purshia tridentata | PUTR2 | Rosaceae | Dicot |
| antelopehorns | Asclepias asperula ssp. capricornu | ASASC | Asclepiadaceae | Dicot |
| Apache beardtongue | Penstemon oliganthus | PEOL | Scrophulariaceae | Dicot |
| Apache dwarf mistletoe | Arceuthobium apachecum | ARAP2 | Viscaceae | Dicot |
| Apache lobelia | Lobelia anatina | LOAN | Campanulaceae | Dicot |
| Apache milkvetch | Astragalus nutriosensis | ASNU7 | Fabaceae | Dicot |
| Apache Pass spiderling | Boerhavia pterocarpa | BOPT | Nyctaginaceae | Dicot |
| Apache pine | Pinus engelmannii | PIEN2 | Pinaceae | Gymnosperm |
| Apache plume | Fallugia | FALLU | Rosaceae | Dicot |
| Apache plume | Fallugia paradoxa | FAPA | Rosaceae | Dicot |
| apachebush | Apacheria chiricahuensis | APCH | Crossosomataceae | Dicot |
| apacheria | Apacheria | APACH | Crossosomataceae | Dicot |
| apodanthera | Apodanthera | APODA | Cucurbitaceae | Dicot |
| apple | Malus | MALUS | Rosaceae | Dicot |
| apple mint | Mentha suaveolens | MESU5 | Lamiaceae | Dicot |
| Arabian schismus | Schismus arabicus | SCAR | Poaceae | Monocot |
| Arboles milkvetch | Astragalus oocalycis | ASOO | Fabaceae | Dicot |
| arctic alpine forget-me-not | Eritrichium nanum | ERNA | Boraginaceae | Dicot |
| arctic alpine forget-me-not | Eritrichium nanum var. elongatum | ERNAE | Boraginaceae | Dicot |
| arctic bellflower | Campanula uniflora | CAUN2 | Campanulaceae | Dicot |
| arctic bluegrass | Poa arctica | POAR2 | Poaceae | Monocot |
| arctic bluegrass | Poa arctica ssp. aperta | POARA | Poaceae | Monocot |
| arctic bluegrass | Poa arctica ssp. arctica | POARA2 | Poaceae | Monocot |
| arctic bluegrass | Poa arctica ssp. grayana | POARG | Poaceae | Monocot |
| arctic pearlwort | Sagina saginoides | SASA | Caryophyllaceae | Dicot |
| arctic rush | Juncus arcticus | JUAR2 | Juncaceae | Monocot |
| aridland goosefoot | Chenopodium desiccatum | CHDE | Chenopodiaceae | Dicot |
| Arizona adder"s-mouth orchid | Malaxis tenuis | MATE2 | Orchidaceae | Monocot |
| Arizona alder | Alnus oblongifolia | ALOB2 | Betulaceae | Dicot |
| Arizona baccharis | Baccharis thesioides | BATH | Asteraceae | Dicot |
| Arizona barley | Hordeum arizonicum | HOAR | Poaceae | Monocot |
| Arizona blue-eyed grass | Sisyrinchium arizonicum | SIAR3 | Iridaceae | Monocot |
| Arizona bluecurls | Trichostema arizonicum | TRAR | Lamiaceae | Dicot |
| Arizona boxelder | Acer negundo var. arizonicum | ACNEA | Aceraceae | Dicot |
| Arizona buttercup | Ranunculus arizonicus | RAAR2 | Ranunculaceae | Dicot |
| Arizona centaury | Centaurium arizonicum | CEAR12 | Gentianaceae | Dicot |
| Arizona clematis | Clematis hirsutissima var. arizonica | CLHIA | Ranunculaceae | Dicot |
| Arizona coraldrops | Besseya arizonica | BEAR | Scrophulariaceae | Dicot |
| Arizona cottontop | Digitaria californica | DICA8 | Poaceae | Monocot |
| Arizona cypress | Hesperocyparis arizonica | HEAR22 | Cupressaceae | Gymnosperm |
| Arizona desert foxglove | Brachystigma wrightii | BRWR | Scrophulariaceae | Dicot |
| Arizona dewberry | Rubus arizonensis | RUAR3 | Rosaceae | Dicot |
| Arizona dock | Rumex nematopodus | RUNE4 | Polygonaceae | Dicot |
| Arizona eryngo | Eryngium sparganophyllum | ERSP10 | Apiaceae | Dicot |
| Arizona false goldenaster | Heterotheca fulcrata var. arizonica | HEFUA | Asteraceae | Dicot |
| Arizona fescue | Festuca arizonica | FEAR2 | Poaceae | Monocot |
| Arizona fleabane | Erigeron arizonicus | ERAR4 | Asteraceae | Dicot |
| Arizona foldwing | Dicliptera resupinata | DIRE4 | Acanthaceae | Dicot |
| Arizona four-nerve daisy | Tetraneuris acaulis var. arizonica | TEACA | Asteraceae | Dicot |
| Arizona gumweed | Grindelia arizonica | GRAR2 | Asteraceae | Dicot |
| Arizona gumweed | Grindelia arizonica var. arizonica | GRARA | Asteraceae | Dicot |
| Arizona gumweed | Grindelia arizonica var. stenophylla | GRARS | Asteraceae | Dicot |
| Arizona honeysuckle | Lonicera arizonica | LOAR | Caprifoliaceae | Dicot |
| Arizona madrone | Arbutus arizonica | ARAR2 | Ericaceae | Dicot |
| Arizona milkvetch | Astragalus arizonicus | ASAR6 | Fabaceae | Dicot |
| Arizona mountain ash | Sorbus dumosa | SODU2 | Rosaceae | Dicot |
| Arizona mousetail | Myosurus cupulatus | MYCU | Ranunculaceae | Dicot |
| Arizona muhly | Muhlenbergia arizonica | MUAR3 | Poaceae | Monocot |
| Arizona mule-ears | Wyethia arizonica | WYAR | Asteraceae | Dicot |
| Arizona needle grama | Bouteloua aristidoides var. arizonica | BOARA2 | Poaceae | Monocot |
| Arizona phacelia | Phacelia arizonica | PHAR13 | Hydrophyllaceae | Dicot |
| Arizona pine | Pinus arizonica | PIAR5 | Pinaceae | Gymnosperm |
| Arizona pine | Pinus arizonica var. arizonica | PIARA | Pinaceae | Gymnosperm |
| Arizona popcornflower | Plagiobothrys arizonicus | PLAR | Boraginaceae | Dicot |
| Arizona poppy | Kallstroemia grandiflora | KAGR | Zygophyllaceae | Dicot |
| Arizona ragwort | Senecio arizonicus | SEAR3 | Asteraceae | Dicot |
| Arizona rosemallow | Hibiscus biseptus | HIBI | Malvaceae | Dicot |
| Arizona rosewood | Vauquelinia californica | VACA5 | Rosaceae | Dicot |
| Arizona rosewood | Vauquelinia californica ssp. pauciflora | VACAP | Rosaceae | Dicot |
| Arizona sandmat | Chamaesyce arizonica | CHAR18 | Euphorbiaceae | Dicot |
| Arizona signalgrass | Urochloa arizonica | URAR | Poaceae | Monocot |
| Arizona skeletonplant | Lygodesmia arizonica | LYAR2 | Asteraceae | Dicot |
| Arizona snakecotton | Froelichia arizonica | FRAR2 | Amaranthaceae | Dicot |
| Arizona spikemoss | Selaginella arizonica | SEAR2 | Selaginellaceae | Lycopod |
| Arizona spikenard | Aralia humilis | ARHU | Araliaceae | Dicot |
| Arizona spinystar | Escobaria vivipara var. arizonica | ESVIA | Cactaceae | Dicot |
| Arizona stoneseed | Lithospermum confine | LICO9 | Boraginaceae | Dicot |
| Arizona sunflower | Helianthus arizonensis | HEAR8 | Asteraceae | Dicot |
| Arizona swallow-wort | Cynanchum arizonicum | CYAR12 | Asclepiadaceae | Dicot |
| Arizona sycamore | Platanus wrightii | PLWR2 | Platanaceae | Dicot |
| Arizona thistle | Cirsium arizonicum | CIAR3 | Asteraceae | Dicot |
| Arizona threeawn | Aristida arizonica | ARAR6 | Poaceae | Monocot |
| Arizona ticktrefoil | Desmodium arizonicum | DEAR2 | Fabaceae | Dicot |
| Arizona valerian | Valeriana arizonica | VAAR3 | Valerianaceae | Dicot |
| Arizona walnut | Juglans major | JUMA | Juglandaceae | Dicot |
| Arizona wheatgrass | Elymus arizonicus | ELAR7 | Poaceae | Monocot |
| Arizona white oak | Quercus arizonica | QUAR | Fagaceae | Dicot |
| Arizona willow | Salix arizonica | SAAR14 | Salicaceae | Dicot |
| Arkansas dozedaisy | Aphanostephus skirrhobasis | APSK | Asteraceae | Dicot |
| Arkansas dozedaisy | Aphanostephus skirrhobasis var. skirrhobasis | APSKS | Asteraceae | Dicot |
| arnica | Arnica | ARNIC | Asteraceae | Dicot |
| aromatic aster | Symphyotrichum oblongifolium | SYOB | Asteraceae | Dicot |
| aromatic false pennyroyal | Hedeoma hyssopifolia | HEHY | Lamiaceae | Dicot |
| arrowgrass | Triglochin | TRIGL | Juncaginaceae | Monocot |
| arrowhead | Sagittaria | SAGIT | Alismataceae | Monocot |
| arrowleaf mallow | Malvella sagittifolia | MASA3 | Malvaceae | Dicot |
| arrowleaf ragwort | Senecio triangularis | SETR | Asteraceae | Dicot |
| arrowweed | Pluchea sericea | PLSE | Asteraceae | Dicot |
| arroyo fameflower | Talinopsis frutescens | TAFR | Portulacaceae | Dicot |
| arroyo willow | Salix lasiolepis | SALA6 | Salicaceae | Dicot |
| arroyo willow | Salix lasiolepis var. lasiolepis | SALAL2 | Salicaceae | Dicot |
| arumleaf arrowhead | Sagittaria cuneata | SACU | Alismataceae | Monocot |
| ash | Fraxinus | FRAXI | Oleaceae | Dicot |
| ashen milkvetch | Astragalus tephrodes | ASTE8 | Fabaceae | Dicot |
| ashen milkvetch | Astragalus tephrodes var. brachylobus | ASTEB | Fabaceae | Dicot |
| ashen milkvetch | Astragalus tephrodes var. tephrodes | ASTET3 | Fabaceae | Dicot |
| ashy silktassel | Garrya flavescens | GAFL2 | Garryaceae | Dicot |
| Asian mustard | Brassica tournefortii | BRTO | Brassicaceae | Dicot |
| asparagus | Asparagus | ASPAR | Liliaceae | Monocot |
| aspen fleabane | Erigeron speciosus | ERSP4 | Asteraceae | Dicot |
| aspen fleabane | Erigeron speciosus var. macranthus | ERSPM | Asteraceae | Dicot |
| aspen fleabane | Erigeron speciosus var. speciosus | ERSPS | Asteraceae | Dicot |
| aspen onion | Allium bisceptrum var. palmeri | ALBIP | Liliaceae | Monocot |
| aspen pea | Lathyrus laetivirens | LALA6 | Fabaceae | Dicot |
| asphead | Aspicarpa | ASPIC | Malpighiaceae | Dicot |
| asphodelus | Asphodelus | ASPHO | Liliaceae | Monocot |
| aster | Ionactis | IONAC | Asteraceae | Dicot |
| aster | Eurybia | EURYB | Asteraceae | Dicot |
| aster | Symphyotrichum | SYMPH4 | Asteraceae | Dicot |
| asthmaweed | Conyza bonariensis | COBO | Asteraceae | Dicot |
| Atkinson"s tickseed | Coreopsis tinctoria var. atkinsoniana | COTIA | Asteraceae | Dicot |
| Atlantic pigeonwings | Clitoria mariana | CLMA4 | Fabaceae | Dicot |
| Aunt Lucy | Ellisia nyctelea | ELNY | Hydrophyllaceae | Dicot |
| Australian saltbush | Atriplex semibaccata | ATSE | Chenopodiaceae | Dicot |
| Australian waterbuttons | Cotula australis | COAU3 | Asteraceae | Dicot |
| autumn dwarf gentian | Gentianella amarella | GEAM3 | Gentianaceae | Dicot |
| autumn dwarf gentian | Gentianella amarella ssp. acuta | GEAMA | Gentianaceae | Dicot |
| autumn dwarf gentian | Gentianella amarella ssp. heterosepala | GEAMH | Gentianaceae | Dicot |
| avens | Geum | GEUM | Rosaceae | Dicot |
| avian goosefoot | Chenopodium hircinum | CHHI2 | Chenopodiaceae | Dicot |
| awlfruit sedge | Carex stipata | CAST5 | Cyperaceae | Monocot |
| awned halfchaff sedge | Lipocarpha aristulata | LIAR6 | Cyperaceae | Monocot |
| awnless bushsunflower | Simsia calva | SICA7 | Asteraceae | Dicot |
| ayenia | Ayenia | AYENI | Sterculiaceae | Dicot |
| Aztec gilia | Aliciella formosa | ALFO3 | Polemoniaceae | Dicot |
| Aztec goldenbush | Isocoma azteca | ISAZ | Asteraceae | Dicot |
| Aztec milkvetch | Astragalus proximus | ASPR8 | Fabaceae | Dicot |
| Aztec tobacco | Nicotiana rustica | NIRU | Solanaceae | Dicot |
| azure blue sage | Salvia azurea | SAAZ | Lamiaceae | Dicot |
| baby goldenrod | Solidago nana | SONA | Asteraceae | Dicot |
| baby jump-up | Mecardonia procumbens | MEPR2 | Scrophulariaceae | Dicot |
| baby sage | Salvia microphylla | SAMI20 | Lamiaceae | Dicot |
| baby"s-breath | Gypsophila | GYPSO | Caryophyllaceae | Dicot |
| babyslippers | Hybanthus verticillatus | HYVE | Violaceae | Dicot |
| baccharis | Baccharis | BACCH | Asteraceae | Dicot |
| badlands mule-ears | Scabrethia scabra | SCSC15 | Asteraceae | Dicot |
| badlands mule-ears | Scabrethia scabra ssp. attenuata | SCSCA2 | Asteraceae | Dicot |
| badlands mule-ears | Scabrethia scabra ssp. canescens | SCSCC | Asteraceae | Dicot |
| bahia | Bahia | BAHIA | Asteraceae | Dicot |
| bahia | Picradeniopsis | PICRA3 | Asteraceae | Dicot |
| Bailey"s hedgehog cactus | Echinocereus reichenbachii ssp. baileyi | ECREB2 | Cactaceae | Dicot |
| Bailey"s rabbitbrush | Chrysothamnus baileyi | CHBA11 | Asteraceae | Dicot |
| bajada lupine | Lupinus concinnus | LUCO | Fabaceae | Dicot |
| Baker"s alpineparsley | Oreoxis bakeri | ORBA | Apiaceae | Dicot |
| Baker"s cryptantha | Cryptantha bakeri | CRBA4 | Boraginaceae | Dicot |
| Baker"s lupine | Lupinus bakeri | LUBA3 | Fabaceae | Dicot |
| Baker"s lupine | Lupinus bakeri ssp. bakeri | LUBAB | Fabaceae | Dicot |
| Baker"s phacelia | Phacelia bakeri | PHBA3 | Hydrophyllaceae | Dicot |
| Baker"s wheatgrass | Elymus bakeri | ELBA3 | Poaceae | Monocot |
| bald brome | Bromus racemosus | BRRA2 | Poaceae | Monocot |
| Baldwin"s ironweed | Vernonia baldwinii | VEBA | Asteraceae | Dicot |
| ballhead ipomopsis | Ipomopsis congesta | IPCO5 | Polemoniaceae | Dicot |
| ballhead ipomopsis | Ipomopsis congesta ssp. crebrifolia | IPCOC | Polemoniaceae | Dicot |
| ballhead ipomopsis | Ipomopsis congesta ssp. frutescens | IPCOF | Polemoniaceae | Dicot |
| balloonbush | Epixiphium wislizeni | EPWI2 | Scrophulariaceae | Dicot |
| balsam apple | Echinopepon | ECHIN7 | Cucurbitaceae | Dicot |
| balsam groundsel | Packera paupercula | PAPA20 | Asteraceae | Dicot |
| balsamscale grass | Elionurus | ELION | Poaceae | Monocot |
| banana yucca | Yucca baccata | YUBA | Agavaceae | Monocot |
| baneberry | Actaea | ACTAE | Ranunculaceae | Dicot |
| Barbary fig | Opuntia ficus-indica | OPFI | Cactaceae | Dicot |
| Barber"s hawksbeard | Crepis runcinata ssp. barberi | CRRUB | Asteraceae | Dicot |
| barberry | Berberis | BERBE | Berberidaceae | Dicot |
| barberry | Mahonia | MAHON | Berberidaceae | Dicot |
| barbwire Russian thistle | Salsola paulsenii | SAPA8 | Chenopodiaceae | Dicot |
| barley | Hordeum | HORDE | Poaceae | Monocot |
| barley | ×Elyhordeum | ELYHO | Poaceae | Monocot |
| barnyardgrass | Echinochloa crus-galli | ECCR | Poaceae | Monocot |
| barometerbush | Leucophyllum | LEUCO3 | Scrophulariaceae | Dicot |
| barrel cactus | Ferocactus | FEROC | Cactaceae | Dicot |
| Bartlett daisy | Bartlettia scaposa | BASC | Asteraceae | Dicot |
| bartlettia | Bartlettia | BARTL | Asteraceae | Dicot |
| bashful ragwort | Senecio pudicus | SEPU3 | Asteraceae | Dicot |
| basin big sagebrush | Artemisia tridentata ssp. tridentata | ARTRT | Asteraceae | Dicot |
| basin fleabane | Erigeron pulcherrimus | ERPU9 | Asteraceae | Dicot |
| basin wildrye | Leymus cinereus | LECI4 | Poaceae | Monocot |
| basindaisy | Platyschkuhria | PLATY5 | Asteraceae | Dicot |
| basindaisy | Platyschkuhria integrifolia | PLIN7 | Asteraceae | Dicot |
| bastard toadflax | Comandra | COMAN | Santalaceae | Dicot |
| bastard toadflax | Comandra umbellata | COUM | Santalaceae | Dicot |
| bastardcabbage | Rapistrum | RAPIS | Brassicaceae | Dicot |
| bastardsage | Eriogonum wrightii | ERWR | Polygonaceae | Dicot |
| bastardsage | Eriogonum wrightii var. wrightii | ERWRW | Polygonaceae | Dicot |
| beaded lipfern | Cheilanthes wootonii | CHWO | Pteridaceae | Fern |
| beaked mock vervain | Glandularia quandrangulata | GLQU | Verbenaceae | Dicot |
| beaked spikerush | Eleocharis rostellata | ELRO2 | Cyperaceae | Monocot |
| bean | Phaseolus | PHASE | Fabaceae | Dicot |
| beancaper | Zygophyllum | ZYGOP | Zygophyllaceae | Dicot |
| Bear Mountain milkweed | Asclepias scaposa | ASSC9 | Asclepiadaceae | Dicot |
| Bear River fleabane | Erigeron ursinus | ERUR2 | Asteraceae | Dicot |
| beard lichen | Usnea | USNEA2 | Parmeliaceae | Lichen |
| bearded cinquefoil | Potentilla crinita | POCR4 | Rosaceae | Dicot |
| bearded cinquefoil | Potentilla crinita var. crinita | POCRC2 | Rosaceae | Dicot |
| bearded cryptantha | Cryptantha barbigera | CRBA5 | Boraginaceae | Dicot |
| bearded flatsedge | Cyperus squarrosus | CYSQ | Cyperaceae | Monocot |
| bearded prairie clover | Dalea pogonathera | DAPO | Fabaceae | Dicot |
| bearded prairie clover | Dalea pogonathera var. pogonathera | DAPOP | Fabaceae | Dicot |
| bearded sprangletop | Leptochloa fusca ssp. fascicularis | LEFUF | Poaceae | Monocot |
| beardgrass | Bothriochloa | BOTHR | Poaceae | Monocot |
| beardless rabbitsfoot grass | Polypogon viridis | POVI9 | Poaceae | Monocot |
| beardless wheatgrass | Pseudoroegneria spicata ssp. inermis | PSSPI | Poaceae | Monocot |
| beardless wildrye | Leymus triticoides | LETR5 | Poaceae | Monocot |
| beardlip penstemon | Penstemon barbatus | PEBA2 | Scrophulariaceae | Dicot |
| beardlip penstemon | Penstemon barbatus ssp. barbatus | PEBAB | Scrophulariaceae | Dicot |
| beardlip penstemon | Penstemon barbatus ssp. trichander | PEBAT2 | Scrophulariaceae | Dicot |
| beardtongue | Penstemon | PENST | Scrophulariaceae | Dicot |
| beargrass | Nolina | NOLIN | Liliaceae | Monocot |
| beautiful cinquefoil | Potentilla pulcherrima | POPU9 | Rosaceae | Dicot |
| beautiful fleabane | Erigeron formosissimus | ERFO3 | Asteraceae | Dicot |
| beautiful rockcress | Arabis pulchra | ARPU2 | Brassicaceae | Dicot |
| beautiful rockcress | Arabis pulchra var. pallens | ARPUP | Brassicaceae | Dicot |
| beautiful sandwort | Minuartia rubella | MIRU3 | Caryophyllaceae | Dicot |
| beautiful spikerush | Eleocharis bella | ELBE | Cyperaceae | Monocot |
| Bebb willow | Salix bebbiana | SABE2 | Salicaceae | Dicot |
| bedstraw | Galium | GALIU | Rubiaceae | Dicot |
| beebalm | Monarda | MONAR | Lamiaceae | Dicot |
| beeblossom | Gaura | GAURA | Onagraceae | Dicot |
| beebrush | Aloysia | ALOYS | Verbenaceae | Dicot |
| beechleaf frangula | Frangula betulifolia | FRBE2 | Rhamnaceae | Dicot |
| beehive cactus | Coryphantha | CORYP | Cactaceae | Dicot |
| beetle spurge | Euphorbia eriantha | EUER2 | Euphorbiaceae | Dicot |
| beggarticks | Bidens | BIDEN | Asteraceae | Dicot |
| Bellardi bog sedge | Kobresia myosuroides | KOMY | Cyperaceae | Monocot |
| bellflower | Campanula | CAMPA | Campanulaceae | Dicot |
| bent two-whorl buckwheat | Stenogonum flexum | STFL2 | Polygonaceae | Dicot |
| bentgrass | Agrostis | AGROS2 | Poaceae | Monocot |
| bergia | Bergia | BERGI | Elatinaceae | Dicot |
| Bering chickweed | Cerastium beeringianum | CEBE2 | Caryophyllaceae | Dicot |
| Bering chickweed | Cerastium beeringianum ssp. earlei | CEBEE | Caryophyllaceae | Dicot |
| Berlandier"s sundrops | Calylophus berlandieri | CABE6 | Onagraceae | Dicot |
| Berlandier"s sundrops | Calylophus berlandieri ssp. berlandieri | CABEB2 | Onagraceae | Dicot |
| Berlandier"s sundrops | Calylophus berlandieri ssp. pinifolius | CABEP2 | Onagraceae | Dicot |
| Berlandier"s wolfberry | Lycium berlandieri | LYBE | Solanaceae | Dicot |
| Berlandier"s wolfberry | Lycium berlandieri var. berlandieri | LYBEB | Solanaceae | Dicot |
| Berlandier"s wolfberry | Lycium berlandieri var. parviflorum | LYBEP | Solanaceae | Dicot |
| Berlandier"s yellow flax | Linum berlandieri | LIBE2 | Linaceae | Dicot |
| Berlandier"s yellow flax | Linum berlandieri var. berlandieri | LIBEB2 | Linaceae | Dicot |
| Bermudagrass | Cynodon | CYNOD | Poaceae | Monocot |
| Bermudagrass | Cynodon dactylon | CYDA | Poaceae | Monocot |
| Bessey"s stickseed | Hackelia besseyi | HABE3 | Boraginaceae | Dicot |
| betatakin fiddleleaf | Nama retrorsum | NARE | Hydrophyllaceae | Dicot |
| betonyleaf brickellbush | Brickellia betonicifolia | BRBE | Asteraceae | Dicot |
| biannual lettuce | Lactuca ludoviciana | LALU | Asteraceae | Dicot |
| bicolor fanmustard | Nerisyrenia camporum | NECA3 | Brassicaceae | Dicot |
| biennial woollywhite | Hymenopappus biennis | HYBI | Asteraceae | Dicot |
| biennial wormwood | Artemisia biennis | ARBI2 | Asteraceae | Dicot |
| biennial wormwood | Artemisia biennis var. biennis | ARBIB | Asteraceae | Dicot |
| Big Bend barometerbush | Leucophyllum minus | LEMI4 | Scrophulariaceae | Dicot |
| Big Bend foxtail cactus | Escobaria dasyacantha | ESDA | Cactaceae | Dicot |
| Big Bend foxtail cactus | Escobaria dasyacantha var. dasyacantha | ESDAD | Cactaceae | Dicot |
| big bluestem | Andropogon gerardii | ANGE | Poaceae | Monocot |
| big chickweed | Cerastium fontanum ssp. vulgare | CEFOV2 | Caryophyllaceae | Dicot |
| big galleta | Pleuraphis rigida | PLRI3 | Poaceae | Monocot |
| big sacaton | Sporobolus wrightii | SPWR2 | Poaceae | Monocot |
| big sagebrush | Artemisia tridentata | ARTR2 | Asteraceae | Dicot |
| bigbract verbena | Verbena bracteata | VEBR | Verbenaceae | Dicot |
| Bigelow sage | Artemisia bigelovii | ARBI3 | Asteraceae | Dicot |
| Bigelow"s amaranth | Amaranthus bigelovii | AMBI | Amaranthaceae | Dicot |
| Bigelow"s beggarticks | Bidens bigelovii | BIBI | Asteraceae | Dicot |
| Bigelow"s beggarticks | Bidens bigelovii var. bigelovii | BIBIB2 | Asteraceae | Dicot |
| Bigelow"s bluegrass | Poa bigelovii | POBI | Poaceae | Monocot |
| Bigelow"s bristlehead | Carphochaete bigelovii | CABI6 | Asteraceae | Dicot |
| Bigelow"s desertgrass | Blepharidachne bigelovii | BLBI | Poaceae | Monocot |
| Bigelow"s false willow | Baccharis bigelovii | BABI | Asteraceae | Dicot |
| Bigelow"s fleabane | Erigeron bigelovii | ERBI3 | Asteraceae | Dicot |
| Bigelow"s leather flower | Clematis bigelovii | CLBI2 | Ranunculaceae | Dicot |
| Bigelow"s linanthus | Linanthus bigelovii | LIBI2 | Polemoniaceae | Dicot |
| Bigelow"s onion | Allium bigelovii | ALBI | Liliaceae | Monocot |
| Bigelow"s rubberweed | Hymenoxys bigelovii | HYBI2 | Asteraceae | Dicot |
| Bigelow"s tansyaster | Machaeranthera bigelovii | MABI | Asteraceae | Dicot |
| Bigelow"s tansyaster | Machaeranthera bigelovii var. bigelovii | MABIB | Asteraceae | Dicot |
| bigflower cinquefoil | Potentilla fissa | POFI3 | Rosaceae | Dicot |
| bigfruit dodder | Cuscuta megalocarpa | CUME4 | Cuscutaceae | Dicot |
| bighead pygmycudweed | Evax prolifera | EVPR | Asteraceae | Dicot |
| bigleaf periwinkle | Vinca major | VIMA | Apocynaceae | Dicot |
| bigleaf sedge | Carex amplifolia | CAAM10 | Cyperaceae | Monocot |
| bigroot springparsley | Cymopterus macrorhizus | CYMA | Apiaceae | Dicot |
| bigseed alfalfa dodder | Cuscuta indecora | CUIN | Cuscutaceae | Dicot |
| bigseed dodder | Cuscuta indecora var. neuropetala | CUINN | Cuscutaceae | Dicot |
| bigtooth maple | Acer grandidentatum | ACGR3 | Aceraceae | Dicot |
| bigtooth maple | Acer grandidentatum var. grandidentatum | ACGRG | Aceraceae | Dicot |
| Bill Williams Mountain giant hyssop | Agastache pallidiflora | AGPA | Lamiaceae | Dicot |
| Bill Williams Mountain giant hyssop | Agastache pallidiflora ssp. neomexicana | AGPAN | Lamiaceae | Dicot |
| Bill Williams Mountain giant hyssop | Agastache pallidiflora ssp. neomexicana var. havardii | AGPAH3 | Lamiaceae | Dicot |
| Bill Williams Mountain giant hyssop | Agastache pallidiflora ssp. neomexicana var. neomexicana | AGPAN2 | Lamiaceae | Dicot |
| Bill Williams Mountain giant hyssop | Agastache pallidiflora ssp. pallidiflora | AGPAP2 | Lamiaceae | Dicot |
| Bill Williams Mountain giant hyssop | Agastache pallidiflora ssp. pallidiflora var. gilensis | AGPAG3 | Lamiaceae | Dicot |
| Bill Williams Mountain giant hyssop | Agastache pallidiflora ssp. pallidiflora var. greenei | AGPAG4 | Lamiaceae | Dicot |
| Bill Williams Mountain giant hyssop | Agastache pallidiflora ssp. pallidiflora var. pallidiflora | AGPAP4 | Lamiaceae | Dicot |
| bindweed | Convolvulus | CONVO | Convolvulaceae | Dicot |
| birch | Betula | BETUL | Betulaceae | Dicot |
| bird"s-beak | Cordylanthus | CORDY | Scrophulariaceae | Dicot |
| bird"s-foot trefoil | Lotus corniculatus | LOCO6 | Fabaceae | Dicot |
| bird"s-foot trefoil | Lotus corniculatus var. corniculatus | LOCOC5 | Fabaceae | Dicot |
| bird-of-paradise shrub | Caesalpinia gilliesii | CAGI | Fabaceae | Dicot |
| birdbill dayflower | Commelina dianthifolia | CODI4 | Commelinaceae | Monocot |
| birdbill dayflower | Commelina dianthifolia var. dianthifolia | CODID | Commelinaceae | Monocot |
| birdbill dayflower | Commelina dianthifolia var. longispatha | CODIL | Commelinaceae | Monocot |
| birdeye speedwell | Veronica persica | VEPE3 | Scrophulariaceae | Dicot |
| Bisbee spinystar | Escobaria vivipara var. bisbeeana | ESVIB | Cactaceae | Dicot |
| bishop"s milkvetch | Astragalus episcopus | ASEP | Fabaceae | Dicot |
| bishop"s milkvetch | Astragalus episcopus var. episcopus | ASEPE | Fabaceae | Dicot |
| bitter cherry | Prunus emarginata | PREM | Rosaceae | Dicot |
| bitter cherry | Prunus emarginata var. emarginata | PREME | Rosaceae | Dicot |
| bitter dock | Rumex obtusifolius | RUOB | Polygonaceae | Dicot |
| bitter panicgrass | Panicum amarum | PAAM2 | Poaceae | Monocot |
| bitter panicgrass | Panicum amarum var. amarum | PAAMA3 | Poaceae | Monocot |
| bitter rubberweed | Hymenoxys odorata | HYOD | Asteraceae | Dicot |
| bitterbrush | Purshia | PURSH | Rosaceae | Dicot |
| bittercress | Cardamine | CARDA | Brassicaceae | Dicot |
| bittercress ragwort | Packera cardamine | PACA34 | Asteraceae | Dicot |
| black bindweed | Polygonum convolvulus | POCO10 | Polygonaceae | Dicot |
| black bindweed | Polygonum convolvulus var. convolvulus | POCOC2 | Polygonaceae | Dicot |
| black cherry | Prunus serotina | PRSE2 | Rosaceae | Dicot |
| black cherry | Prunus serotina var. rufula | PRSER2 | Rosaceae | Dicot |
| black cherry | Prunus serotina var. virens | PRSEV | Rosaceae | Dicot |
| black chokecherry | Prunus virginiana var. melanocarpa | PRVIM | Rosaceae | Dicot |
| black elderberry | Sambucus nigra | SANI4 | Caprifoliaceae | Dicot |
| black flatsedge | Cyperus niger | CYNI2 | Cyperaceae | Monocot |
| black grama | Bouteloua eriopoda | BOER4 | Poaceae | Monocot |
| black henbane | Hyoscyamus niger | HYNI | Solanaceae | Dicot |
| black locust | Robinia pseudoacacia | ROPS | Fabaceae | Dicot |
| black medick | Medicago lupulina | MELU | Fabaceae | Dicot |
| black mustard | Brassica nigra | BRNI | Brassicaceae | Dicot |
| black prairie clover | Dalea frutescens | DAFR2 | Fabaceae | Dicot |
| black sagebrush | Artemisia nova | ARNO4 | Asteraceae | Dicot |
| black sedge | Carex nova | CANO3 | Cyperaceae | Monocot |
| blackandwhite sedge | Carex albonigra | CAAL6 | Cyperaceae | Monocot |
| blackberry | Rubus | RUBUS | Rosaceae | Dicot |
| blackeyed Susan | Rudbeckia hirta | RUHI2 | Asteraceae | Dicot |
| blackeyed Susan | Rudbeckia hirta var. pulcherrima | RUHIP | Asteraceae | Dicot |
| blackfoot | Melampodium | MELAM | Asteraceae | Dicot |
| blackhead fleabane | Erigeron melanocephalus | ERME2 | Asteraceae | Dicot |
| blackroot sedge | Carex elynoides | CAEL3 | Cyperaceae | Monocot |
| blacksamson echinacea | Echinacea angustifolia | ECAN2 | Asteraceae | Dicot |
| blacksamson echinacea | Echinacea angustifolia var. angustifolia | ECANA | Asteraceae | Dicot |
| blackseed spurge | Euphorbia bilobata | EUBI4 | Euphorbiaceae | Dicot |
| blackstem spleenwort | Asplenium resiliens | ASRE | Aspleniaceae | Fern |
| bladder campion | Silene latifolia | SILA21 | Caryophyllaceae | Dicot |
| bladder campion | Silene latifolia ssp. alba | SILAA3 | Caryophyllaceae | Dicot |
| bladder senna | Colutea arborescens | COAR6 | Fabaceae | Dicot |
| bladderfern | Cystopteris | CYSTO | Dryopteridaceae | Fern |
| bladdermallow | Herissantia crispa | HECR3 | Malvaceae | Dicot |
| bladderpod | Lesquerella | LESQU | Brassicaceae | Dicot |
| bladderwort | Utricularia | UTRIC | Lentibulariaceae | Dicot |
| blanketflower | Gaillardia | GAILL | Asteraceae | Dicot |
| blanketflower | Gaillardia aristata | GAAR | Asteraceae | Dicot |
| blazing star | Liatris | LIATR | Asteraceae | Dicot |
| blazingstar | Mentzelia | MENTZ | Loasaceae | Dicot |
| blessed milkthistle | Silybum marianum | SIMA3 | Asteraceae | Dicot |
| blister sedge | Carex vesicaria | CAVE6 | Cyperaceae | Monocot |
| blite goosefoot | Chenopodium capitatum | CHCA4 | Chenopodiaceae | Dicot |
| bloodleaf | Iresine | IRESI | Amaranthaceae | Dicot |
| blowout grass | Redfieldia | REDFI | Poaceae | Monocot |
| blowout grass | Redfieldia flexuosa | REFL | Poaceae | Monocot |
| blue elderberry | Sambucus nigra ssp. cerulea | SANIC5 | Caprifoliaceae | Dicot |
| blue eyed Mary | Collinsia | COLLI | Scrophulariaceae | Dicot |
| blue grama | Bouteloua gracilis | BOGR2 | Poaceae | Monocot |
| blue lettuce | Lactuca tatarica | LATA | Asteraceae | Dicot |
| blue lettuce | Lactuca tatarica var. pulchella | LATAP | Asteraceae | Dicot |
| blue milkwort | Polygala barbeyana | POBA | Polygalaceae | Dicot |
| blue mudplantain | Heteranthera limosa | HELI2 | Pontederiaceae | Monocot |
| blue nodding locoweed | Oxytropis deflexa var. sericea | OXDES | Fabaceae | Dicot |
| blue panicum | Panicum antidotale | PAAN4 | Poaceae | Monocot |
| blue pygmyflower | Monnina wrightii | MOWR | Polygalaceae | Dicot |
| blue skullcap | Scutellaria lateriflora | SCLA2 | Lamiaceae | Dicot |
| blue skullcap | Scutellaria lateriflora var. lateriflora | SCLAL2 | Lamiaceae | Dicot |
| blue spruce | Picea pungens | PIPU | Pinaceae | Gymnosperm |
| blue threeawn | Aristida purpurea var. nealleyi | ARPUN | Poaceae | Monocot |
| blue wildrye | Elymus glaucus | ELGL | Poaceae | Monocot |
| blue wildrye | Elymus glaucus ssp. glaucus | ELGLG | Poaceae | Monocot |
| blue woodsorrel | Oxalis caerulea | OXCA5 | Oxalidaceae | Dicot |
| blue-eyed grass | Sisyrinchium | SISYR | Iridaceae | Monocot |
| bluebell bellflower | Campanula rotundifolia | CARO2 | Campanulaceae | Dicot |
| bluebells | Mertensia | MERTE | Boraginaceae | Dicot |
| blueberry | Vaccinium | VACCI | Ericaceae | Dicot |
| bluebill | Clematis pitcheri | CLPI | Ranunculaceae | Dicot |
| bluebill | Clematis pitcheri var. dictyota | CLPID | Ranunculaceae | Dicot |
| bluebill | Clematis pitcheri var. pitcheri | CLPIP | Ranunculaceae | Dicot |
| bluebonnet lupine | Lupinus palmeri | LUPA3 | Fabaceae | Dicot |
| bluebowls | Giliastrum | GILIA2 | Polemoniaceae | Dicot |
| bluebowls | Giliastrum acerosum | GIAC4 | Polemoniaceae | Dicot |
| bluebowls | Giliastrum rigidulum | GIRI3 | Polemoniaceae | Dicot |
| bluebunch wheatgrass | Pseudoroegneria spicata ssp. spicata | PSSPS | Poaceae | Monocot |
| bluebunch wheatgrass | Pseudoroegneria spicata | PSSP6 | Poaceae | Monocot |
| bluecurls | Trichostema | TRICH9 | Lamiaceae | Dicot |
| bluedicks | Dichelostemma capitatum | DICA14 | Liliaceae | Monocot |
| bluedicks | Dichelostemma capitatum ssp. capitatum | DICAC5 | Liliaceae | Monocot |
| bluedicks | Dichelostemma capitatum ssp. pauciflorum | DICAP | Liliaceae | Monocot |
| bluegrass | Poa | POA | Poaceae | Monocot |
| bluehead gilia | Gilia capitata | GICA5 | Polemoniaceae | Dicot |
| bluehead gilia | Gilia capitata ssp. capitata | GICAC3 | Polemoniaceae | Dicot |
| bluejoint | Calamagrostis canadensis | CACA4 | Poaceae | Monocot |
| bluejoint | Calamagrostis canadensis var. canadensis | CACAC10 | Poaceae | Monocot |
| bluestar | Amsonia | AMSON | Apocynaceae | Dicot |
| bluestem | Andropogon | ANDRO2 | Poaceae | Monocot |
| bluet | Houstonia | HOUST | Rubiaceae | Dicot |
| bluewater fleabane | Erigeron acomanus | ERAC7 | Asteraceae | Dicot |
| Blumer"s draba | Draba helleriana var. blumeri | DRHEB2 | Brassicaceae | Dicot |
| blunt spikerush | Eleocharis obtusa | ELOB2 | Cyperaceae | Monocot |
| blunt tansymustard | Descurainia obtusa | DEOB | Brassicaceae | Dicot |
| blunt tansymustard | Descurainia obtusa ssp. adenophora | DEOBA | Brassicaceae | Dicot |
| blunt tansymustard | Descurainia obtusa ssp. obtusa | DEOBO | Brassicaceae | Dicot |
| bluntleaf sandwort | Moehringia lateriflora | MOLA6 | Caryophyllaceae | Dicot |
| bluntleaf spikemoss | Selaginella mutica | SEMU | Selaginellaceae | Lycopod |
| bluntleaf spikemoss | Selaginella mutica var. limitanea | SEMUL | Selaginellaceae | Lycopod |
| bluntleaf spikemoss | Selaginella mutica var. mutica | SEMUM | Selaginellaceae | Lycopod |
| bluntleaf spikemoss | Selaginella ×neomexicana | SENE3 | Selaginellaceae | Lycopod |
| bluntleaf yellowcress | Rorippa curvipes | ROCU2 | Brassicaceae | Dicot |
| bluntleaf yellowcress | Rorippa curvipes var. curvipes | ROCUC | Brassicaceae | Dicot |
| bluntleaf yellowcress | Rorippa curvipes var. truncata | ROCUT | Brassicaceae | Dicot |
| bluntpod bundleflower | Desmanthus obtusus | DEOB2 | Fabaceae | Dicot |
| bluntscale bahia | Bahia pedata | BAPE | Asteraceae | Dicot |
| bluntseed sweetroot | Osmorhiza depauperata | OSDE | Apiaceae | Dicot |
| Bodin"s milkvetch | Astragalus bodinii | ASBO | Fabaceae | Dicot |
| bog alkaligrass | Puccinellia parishii | PUPA | Poaceae | Monocot |
| bog sedge | Kobresia | KOBRE | Cyperaceae | Monocot |
| bog willowherb | Epilobium leptophyllum | EPLE2 | Onagraceae | Dicot |
| bog yellowcress | Rorippa palustris | ROPA2 | Brassicaceae | Dicot |
| Bolack"s sand verbena | Abronia bolackii | ABBO | Nyctaginaceae | Dicot |
| Bolander"s quillwort | Isoetes bolanderi | ISBO | Isoetaceae | Quillwort |
| Bolander"s sedge | Carex bolanderi | CABO2 | Cyperaceae | Monocot |
| Bollean mistletoe | Phoradendron bolleanum | PHBO3 | Viscaceae | Dicot |
| bommeria fern | Bommeria | BOMME | Pteridaceae | Fern |
| Bonneville pea | Lathyrus brachycalyx | LABR | Fabaceae | Dicot |
| Booth"s willow | Salix boothii | SABO2 | Salicaceae | Dicot |
| border pinyon | Pinus discolor | PIDI3 | Pinaceae | Gymnosperm |
| bottlebrush sedge | Carex hystericina | CAHY4 | Cyperaceae | Monocot |
| bouchea | Bouchea | BOUCH | Verbenaceae | Dicot |
| bouncingbet | Saponaria officinalis | SAOF4 | Caryophyllaceae | Dicot |
| bouvardia | Bouvardia | BOUVA | Rubiaceae | Dicot |
| bowlesia | Bowlesia | BOWLE | Apiaceae | Dicot |
| boxelder | Acer negundo var. interius | ACNEI2 | Aceraceae | Dicot |
| boxelder | Acer negundo var. texanum | ACNET | Aceraceae | Dicot |
| boxelder | Acer negundo | ACNE2 | Aceraceae | Dicot |
| brackenfern | Pteridium | PTERI | Dennstaedtiaceae | Fern |
| bract milkweed | Asclepias brachystephana | ASBR | Asclepiadaceae | Dicot |
| bracted bedstraw | Galium microphyllum | GAMI | Rubiaceae | Dicot |
| bracted lousewort | Pedicularis bracteosa | PEBR | Scrophulariaceae | Dicot |
| bractless blazingstar | Mentzelia nuda | MENU | Loasaceae | Dicot |
| bractless blazingstar | Mentzelia nuda var. nuda | MENUN | Loasaceae | Dicot |
| bractless blazingstar | Mentzelia nuda var. stricta | MENUS | Loasaceae | Dicot |
| branched cinquefoil | Potentilla effusa | POEF | Rosaceae | Dicot |
| branched noseburn | Tragia ramosa | TRRA5 | Euphorbiaceae | Dicot |
| Brandegee"s clover | Trifolium brandegeei | TRBR2 | Fabaceae | Dicot |
| Brandegee"s four-nerve daisy | Tetraneuris brandegeei | TEBR | Asteraceae | Dicot |
| Brandegee"s fumewort | Corydalis caseana ssp. brandegeei | COCAB2 | Fumariaceae | Dicot |
| Brandegee"s Jacob"s-ladder | Polemonium brandegeei | POBR8 | Polemoniaceae | Dicot |
| Brandegee"s milkvetch | Astragalus brandegeei | ASBR5 | Fabaceae | Dicot |
| Brandegee"s penstemon | Penstemon glaber var. brandegeei | PEGLB | Scrophulariaceae | Dicot |
| Brazilian waterweed | Egeria densa | EGDE | Hydrocharitaceae | Monocot |
| Brenda"s yellow cryptantha | Cryptantha flava | CRFL5 | Boraginaceae | Dicot |
| brickellbush | Brickellia | BRICK | Asteraceae | Dicot |
| brickellbush | Brickelliastrum | BRICK3 | Asteraceae | Dicot |
| brickellbush | Asanthus | ASANT2 | Asteraceae | Dicot |
| Bridge penstemon | Penstemon rostriflorus | PERO10 | Scrophulariaceae | Dicot |
| brightblue speedwell | Veronica serpyllifolia ssp. humifusa | VESEH2 | Scrophulariaceae | Dicot |
| brightwhite | Prenanthella exigua | PREX | Asteraceae | Dicot |
| bristle flax | Linum aristatum | LIAR3 | Linaceae | Dicot |
| bristlecone pine | Pinus aristata | PIAR | Pinaceae | Gymnosperm |
| bristlecup sandmat | Chamaesyce chaetocalyx | CHCH5 | Euphorbiaceae | Dicot |
| bristlecup sandmat | Chamaesyce chaetocalyx var. chaetocalyx | CHCHC3 | Euphorbiaceae | Dicot |
| bristlegrass | Setaria | SETAR | Poaceae | Monocot |
| bristlehead | Carphochaete | CARPH2 | Asteraceae | Dicot |
| bristly cryptantha | Cryptantha setosissima | CRSE5 | Boraginaceae | Dicot |
| bristly fiddleneck | Amsinckia tessellata | AMTE3 | Boraginaceae | Dicot |
| bristly fiddleneck | Amsinckia tessellata var. tessellata | AMTET | Boraginaceae | Dicot |
| bristly locust | Robinia hispida | ROHI | Fabaceae | Dicot |
| bristly locust | Robinia hispida var. hispida | ROHIH | Fabaceae | Dicot |
| bristly mousetail | Myosurus apetalus | MYAP | Ranunculaceae | Dicot |
| bristly mousetail | Myosurus apetalus var. montanus | MYAPM | Ranunculaceae | Dicot |
| bristly nama | Nama hispidum | NAHI | Hydrophyllaceae | Dicot |
| bristly Nootka rose | Rosa nutkana var. hispida | RONUH | Rosaceae | Dicot |
| bristly scaleseed | Spermolepis echinata | SPEC2 | Apiaceae | Dicot |
| bristly wolfstail | Lycurus setosus | LYSE3 | Poaceae | Monocot |
| bristlystalked sedge | Carex leptalea | CALE10 | Cyperaceae | Monocot |
| bristlystalked sedge | Carex leptalea ssp. leptalea | CALEL4 | Cyperaceae | Monocot |
| brittle bladderfern | Cystopteris fragilis | CYFR2 | Dryopteridaceae | Fern |
| brittle pricklypear | Opuntia fragilis | OPFR | Cactaceae | Dicot |
| brittle spineflower | Chorizanthe brevicornu | CHBR | Polygonaceae | Dicot |
| brittle spineflower | Chorizanthe brevicornu var. brevicornu | CHBRB | Polygonaceae | Dicot |
| brittlebush | Encelia | ENCEL | Asteraceae | Dicot |
| Britton"s skullcap | Scutellaria brittonii | SCBR3 | Lamiaceae | Dicot |
| broadbeard beardtongue | Penstemon angustifolius | PEAN4 | Scrophulariaceae | Dicot |
| broadbeard beardtongue | Penstemon angustifolius var. caudatus | PEANC | Scrophulariaceae | Dicot |
| broadbeard beardtongue | Penstemon angustifolius var. venosus | PEANV | Scrophulariaceae | Dicot |
| broadfruit bur-reed | Sparganium eurycarpum | SPEU | Sparganiaceae | Monocot |
| broadfruit combseed | Pectocarya platycarpa | PEPL | Boraginaceae | Dicot |
| broadleaf arnica | Arnica latifolia | ARLA8 | Asteraceae | Dicot |
| broadleaf arrowhead | Sagittaria latifolia | SALA2 | Alismataceae | Monocot |
| broadleaf cattail | Typha latifolia | TYLA | Typhaceae | Monocot |
| broadleaf four o"clock | Mirabilis decipiens | MIDE5 | Nyctaginaceae | Dicot |
| broadleaf helleborine | Epipactis helleborine | EPHE | Orchidaceae | Monocot |
| broadleaf lupine | Lupinus latifolius | LULA4 | Fabaceae | Dicot |
| broadleaf lupine | Lupinus latifolius ssp. leucanthus | LULAL | Fabaceae | Dicot |
| broadleaf milkweed | Asclepias latifolia | ASLA4 | Asclepiadaceae | Dicot |
| broadleaf pondweed | Stuckenia striata | STST20 | Potamogetonaceae | Monocot |
| broadleaf woodsorrel | Oxalis latifolia | OXLA6 | Oxalidaceae | Dicot |
| broadleaved pepperweed | Lepidium latifolium | LELA2 | Brassicaceae | Dicot |
| broadvein sedge | Carex lativena | CALA76 | Cyperaceae | Monocot |
| brome | Bromus | BROMU | Poaceae | Monocot |
| brome fescue | Vulpia bromoides | VUBR | Poaceae | Monocot |
| brook cinquefoil | Potentilla rivalis | PORI3 | Rosaceae | Dicot |
| brook saxifrage | Saxifraga odontoloma | SAOD2 | Saxifragaceae | Dicot |
| brookfoam | Telesonix | TELES2 | Saxifragaceae | Dicot |
| brookweed | Samolus | SAMOL | Primulaceae | Dicot |
| broom dalea | Psorothamnus scoparius | PSSC6 | Fabaceae | Dicot |
| broom milkwort | Polygala scoparioides | POSC2 | Polygalaceae | Dicot |
| broom sedge | Carex scoparia | CASC11 | Cyperaceae | Monocot |
| broom sedge | Carex scoparia var. scoparia | CASCS | Cyperaceae | Monocot |
| broom snakeweed | Gutierrezia sarothrae | GUSA2 | Asteraceae | Dicot |
| broom-like ragwort | Senecio spartioides | SESP3 | Asteraceae | Dicot |
| broom-like ragwort | Senecio spartioides var. multicapitatus | SESPM | Asteraceae | Dicot |
| broom-like ragwort | Senecio spartioides var. spartioides | SESPS2 | Asteraceae | Dicot |
| broomcorn millet | Panicum miliaceum ssp. miliaceum | PAMIM | Poaceae | Monocot |
| broomrape | Orobanche | OROBA | Orobanchaceae | Dicot |
| broomsage | Lepidospartum | LEPID2 | Asteraceae | Dicot |
| broomweed | Amphiachyris | AMPHI8 | Asteraceae | Dicot |
| brown mustard | Brassica juncea | BRJU | Brassicaceae | Dicot |
| brown sedge | Carex subfusca | CASU6 | Cyperaceae | Monocot |
| browneyes | Camissonia claviformis | CACL4 | Onagraceae | Dicot |
| brownfoot | Acourtia wrightii | ACWR5 | Asteraceae | Dicot |
| brownplume wirelettuce | Stephanomeria pauciflora | STPA4 | Asteraceae | Dicot |
| browntop signalgrass | Urochloa fusca | URFU2 | Poaceae | Monocot |
| brushland shrubverbena | Lantana achyranthifolia | LAAC | Verbenaceae | Dicot |
| buckbean | Menyanthes | MENYA | Menyanthaceae | Dicot |
| buckbean | Menyanthes trifoliata | METR3 | Menyanthaceae | Dicot |
| Buckley"s beardtongue | Penstemon buckleyi | PEBU | Scrophulariaceae | Dicot |
| buckthorn | Frangula | FRANG | Rhamnaceae | Dicot |
| buckthorn | Rhamnus | RHAMN | Rhamnaceae | Dicot |
| buckwheat | Stenogonum | STENO5 | Polygonaceae | Dicot |
| buckwheat | Fagopyrum | FAGOP2 | Polygonaceae | Dicot |
| buckwheat | Fagopyrum esculentum | FAES2 | Polygonaceae | Dicot |
| buckwheat | Eriogonum | ERIOG | Polygonaceae | Dicot |
| bud sagebrush | Picrothamnus | PICRO | Asteraceae | Dicot |
| bud sagebrush | Picrothamnus desertorum | PIDE4 | Asteraceae | Dicot |
| buffaloberry | Shepherdia | SHEPH | Elaeagnaceae | Dicot |
| buffalobur nightshade | Solanum rostratum | SORO | Solanaceae | Dicot |
| buffalograss | Bouteloua dactyloides | BODA2 | Poaceae | Monocot |
| buffelgrass | Pennisetum ciliare | PECI | Poaceae | Monocot |
| buffpetal | Rhynchosida physocalyx | RHPH2 | Malvaceae | Dicot |
| bugbane | Trautvetteria | TRAUT | Ranunculaceae | Dicot |
| bugseed | Corispermum | CORIS | Chenopodiaceae | Dicot |
| Bukhara fleeceflower | Polygonum baldschuanicum | POBA3 | Polygonaceae | Dicot |
| bulb panicgrass | Panicum bulbosum | PABU | Poaceae | Monocot |
| bulbil onion | Allium geyeri var. tenerum | ALGET | Liliaceae | Monocot |
| bulblet bladderfern | Cystopteris bulbifera | CYBU3 | Dryopteridaceae | Fern |
| bulbous bluegrass | Poa bulbosa | POBU | Poaceae | Monocot |
| bulbous springparsley | Cymopterus bulbosus | CYBU | Apiaceae | Dicot |
| bull thistle | Cirsium vulgare | CIVU | Asteraceae | Dicot |
| bullgrass | Muhlenbergia emersleyi | MUEM | Poaceae | Monocot |
| bully | Sideroxylon | SIDER2 | Sapotaceae | Dicot |
| bulrush | Schoenoplectus ×contortus | SCCO20 | Cyperaceae | Monocot |
| bulrush | Scirpus | SCIRP | Cyperaceae | Monocot |
| bulrush | Schoenoplectus | SCHOE6 | Cyperaceae | Monocot |
| bunchberry dogwood | Cornus canadensis | COCA13 | Cornaceae | Dicot |
| bundleflower | Desmanthus | DESMA | Fabaceae | Dicot |
| bupleurum | Bupleurum | BUPLE | Apiaceae | Dicot |
| bur bristlegrass | Setaria adhaerens | SEAD | Poaceae | Monocot |
| bur cucumber | Sicyos | SICYO | Cucurbitaceae | Dicot |
| bur grass | Tragus | TRAGU | Poaceae | Monocot |
| bur oak | Quercus macrocarpa | QUMA2 | Fagaceae | Dicot |
| bur oak | Quercus macrocarpa var. macrocarpa | QUMAM | Fagaceae | Dicot |
| bur-reed | Sparganium | SPARG | Sparganiaceae | Monocot |
| burclover | Medicago polymorpha | MEPO3 | Fabaceae | Dicot |
| burdock | Arctium | ARCTI | Asteraceae | Dicot |
| Burgess" broomsage | Lepidospartum burgessii | LEBU2 | Asteraceae | Dicot |
| burhead | Echinodorus | ECHIN6 | Alismataceae | Monocot |
| burnet | Sanguisorba | SANGU2 | Rosaceae | Dicot |
| burnet ragwort | Packera sanguisorboides | PASA12 | Asteraceae | Dicot |
| burningbush | Bassia scoparia | BASC5 | Chenopodiaceae | Dicot |
| burrobrush | Hymenoclea | HYMEN3 | Asteraceae | Dicot |
| burrograss | Scleropogon | SCLER7 | Poaceae | Monocot |
| burrograss | Scleropogon brevifolius | SCBR2 | Poaceae | Monocot |
| burroweed | Isocoma tenuisecta | ISTE2 | Asteraceae | Dicot |
| bush croton | Croton fruticulosus | CRFR | Euphorbiaceae | Dicot |
| bush morning-glory | Ipomoea leptophylla | IPLE | Convolvulaceae | Dicot |
| bush muhly | Muhlenbergia porteri | MUPO2 | Poaceae | Monocot |
| bush pea | Lathyrus brachycalyx ssp. zionis | LABRZ2 | Fabaceae | Dicot |
| bush vetchling | Lathyrus eucosmus | LAEU | Fabaceae | Dicot |
| bushbean | Macroptilium | MACRO4 | Fabaceae | Dicot |
| bushclover dodder | Cuscuta pentagona var. pubescens | CUPEP3 | Cuscutaceae | Dicot |
| bushclover dodder | Cuscuta pentagona var. glabrior | CUPEG | Cuscutaceae | Dicot |
| bushsunflower | Simsia | SIMSI | Asteraceae | Dicot |
| bushy bluestem | Andropogon glomeratus | ANGL2 | Poaceae | Monocot |
| bushy bluestem | Andropogon glomeratus var. pumilus | ANGLP | Poaceae | Monocot |
| bushy knotweed | Polygonum ramosissimum | PORA3 | Polygonaceae | Dicot |
| bushy knotweed | Polygonum ramosissimum var. prolificum | PORAP | Polygonaceae | Dicot |
| bushy knotweed | Polygonum ramosissimum var. ramosissimum | PORAR | Polygonaceae | Dicot |
| butter and eggs | Linaria vulgaris | LIVU2 | Scrophulariaceae | Dicot |
| buttercup | Ranunculus | RANUN | Ranunculaceae | Dicot |
| butterfly milkweed | Asclepias tuberosa | ASTU | Asclepiadaceae | Dicot |
| butterfly milkweed | Asclepias tuberosa ssp. interior | ASTUI | Asclepiadaceae | Dicot |
| butterflybush | Buddleja | BUDDL2 | Buddlejaceae | Dicot |
| buttonbush dodder | Cuscuta cephalanthi | CUCE | Cuscutaceae | Dicot |
| buttonweed | Diodia | DIODI | Rubiaceae | Dicot |
| cabbage | Brassica oleracea | BROL | Brassicaceae | Dicot |
| cactus apple | Opuntia engelmannii | OPEN3 | Cactaceae | Dicot |
| cactus apple | Opuntia engelmannii var. cuija | OPENC | Cactaceae | Dicot |
| cactus apple | Opuntia engelmannii var. engelmannii | OPENE | Cactaceae | Dicot |
| caespitose four-nerve daisy | Tetraneuris acaulis var. caespitosa | TEACC | Asteraceae | Dicot |
| Cainville thistle | Cirsium calcareum | CICA10 | Asteraceae | Dicot |
| calcareous cryptantha | Cryptantha thyrsiflora | CRTH | Boraginaceae | Dicot |
| Caley pea | Lathyrus hirsutus | LAHI2 | Fabaceae | Dicot |
| calibrachoa | Calibrachoa | CALIB | Solanaceae | Dicot |
| caliche globemallow | Sphaeralcea laxa | SPLA | Malvaceae | Dicot |
| California brickellbush | Brickellia californica | BRCA3 | Asteraceae | Dicot |
| California brickellbush | Brickellia californica var. californica | BRCAC | Asteraceae | Dicot |
| California buckthorn | Frangula californica | FRCA12 | Rhamnaceae | Dicot |
| California buckthorn | Frangula californica ssp. ursina | FRCAU | Rhamnaceae | Dicot |
| California bulrush | Schoenoplectus californicus | SCCA11 | Cyperaceae | Monocot |
| California caltrop | Kallstroemia californica | KACA | Zygophyllaceae | Dicot |
| California cottonrose | Logfia californica | LOCA19 | Asteraceae | Dicot |
| California false hellebore | Veratrum californicum | VECA2 | Liliaceae | Monocot |
| California false hellebore | Veratrum californicum var. californicum | VECAC2 | Liliaceae | Monocot |
| California goldfields | Lasthenia californica | LACA7 | Asteraceae | Dicot |
| California goldfields | Lasthenia californica ssp. californica | LACAC2 | Asteraceae | Dicot |
| California loosestrife | Lythrum californicum | LYCA4 | Lythraceae | Dicot |
| California mustard | Guillenia lasiophylla | GULA4 | Brassicaceae | Dicot |
| California nettle | Urtica dioica ssp. gracilis | URDIG | Urticaceae | Dicot |
| California oatgrass | Danthonia californica | DACA3 | Poaceae | Monocot |
| California poppy | Eschscholzia | ESCHS | Papaveraceae | Dicot |
| California poppy | Eschscholzia californica | ESCA2 | Papaveraceae | Dicot |
| California poppy | Eschscholzia californica ssp. mexicana | ESCAM | Papaveraceae | Dicot |
| California satintail | Imperata brevifolia | IMBR2 | Poaceae | Monocot |
| California sawgrass | Cladium californicum | CLCA2 | Cyperaceae | Monocot |
| California tickseed | Coreopsis californica | COCA8 | Asteraceae | Dicot |
| caltrop | Kallstroemia | KALLS | Zygophyllaceae | Dicot |
| calyptocarpus | Calyptocarpus | CALYP2 | Asteraceae | Dicot |
| camelthorn | Alhagi maurorum | ALMA12 | Fabaceae | Dicot |
| camphorweed | Heterotheca subaxillaris | HESU3 | Asteraceae | Dicot |
| camphorweed | Pluchea | PLUCH | Asteraceae | Dicot |
| Canada bluegrass | Poa compressa | POCO | Poaceae | Monocot |
| Canada cocklebur | Xanthium strumarium var. canadense | XASTC | Asteraceae | Dicot |
| Canada germander | Teucrium canadense | TECA3 | Lamiaceae | Dicot |
| Canada germander | Teucrium canadense var. canadense | TECAC | Lamiaceae | Dicot |
| Canada goldenrod | Solidago altissima | SOAL6 | Asteraceae | Dicot |
| Canada goldenrod | Solidago canadensis | SOCA6 | Asteraceae | Dicot |
| Canada lettuce | Lactuca canadensis | LACA | Asteraceae | Dicot |
| Canada thistle | Cirsium arvense | CIAR4 | Asteraceae | Dicot |
| Canada wildrye | Elymus canadensis | ELCA4 | Poaceae | Monocot |
| Canadian anemone | Anemone canadensis | ANCA8 | Ranunculaceae | Dicot |
| Canadian horseweed | Conyza canadensis | COCA5 | Asteraceae | Dicot |
| Canadian horseweed | Conyza canadensis var. canadensis | COCAC3 | Asteraceae | Dicot |
| Canadian horseweed | Conyza canadensis var. glabrata | COCAG | Asteraceae | Dicot |
| Canadian lousewort | Pedicularis canadensis | PECA | Scrophulariaceae | Dicot |
| Canadian lousewort | Pedicularis canadensis ssp. canadensis | PECAC3 | Scrophulariaceae | Dicot |
| Canadian lousewort | Pedicularis canadensis ssp. fluviatilis | PECAF | Scrophulariaceae | Dicot |
| Canadian milkvetch | Astragalus canadensis | ASCA11 | Fabaceae | Dicot |
| Canadian milkvetch | Astragalus canadensis var. canadensis | ASCAC6 | Fabaceae | Dicot |
| Canadian waterweed | Elodea canadensis | ELCA7 | Hydrocharitaceae | Monocot |
| Canadian white violet | Viola canadensis | VICA4 | Violaceae | Dicot |
| Canadian white violet | Viola canadensis var. scopulorum | VICAS2 | Violaceae | Dicot |
| canaigre dock | Rumex hymenosepalus | RUHY | Polygonaceae | Dicot |
| canarygrass | Phalaris | PHALA2 | Poaceae | Monocot |
| Canby"s aster | Symphyotrichum foliaceum var. canbyi | SYFOC | Asteraceae | Dicot |
| cancer-root | Conopholis | CONOP | Orobanchaceae | Dicot |
| candelilla | Euphorbia antisyphilitica | EUAN3 | Euphorbiaceae | Dicot |
| candle anemone | Anemone cylindrica | ANCY | Ranunculaceae | Dicot |
| candle cholla | Cylindropuntia kleiniae | CYKL | Cactaceae | Dicot |
| candy barrelcactus | Ferocactus wislizeni | FEWI | Cactaceae | Dicot |
| candyleaf | Stevia | STEVI | Asteraceae | Dicot |
| candytuft | Iberis | IBERI | Brassicaceae | Dicot |
| cane bluestem | Bothriochloa barbinodis | BOBA3 | Poaceae | Monocot |
| cantaloupe | Cucumis melo | CUME | Cucurbitaceae | Dicot |
| canyon cupgrass | Eriochloa lemmonii | ERLE7 | Poaceae | Monocot |
| canyon drymary | Drymaria leptophylla | DRLE3 | Caryophyllaceae | Dicot |
| canyon grape | Vitis arizonica | VIAR2 | Vitaceae | Dicot |
| canyon live oak | Quercus chrysolepis | QUCH2 | Fagaceae | Dicot |
| canyon live oak | Quercus chrysolepis var. chrysolepis | QUCHC | Fagaceae | Dicot |
| canyon maple | Acer grandidentatum var. sinuosum | ACGRS | Aceraceae | Dicot |
| canyon morning-glory | Ipomoea barbatisepala | IPBA | Convolvulaceae | Dicot |
| canyon sage | Salvia lycioides | SALY | Lamiaceae | Dicot |
| Capitan Mountains alumroot | Heuchera woodsiaphila | HEWO2 | Saxifragaceae | Dicot |
| capsella | Capsella | CAPSE | Brassicaceae | Dicot |
| caraway | Carum carvi | CACA19 | Apiaceae | Dicot |
| cardinal beardtongue | Penstemon cardinalis | PECA15 | Scrophulariaceae | Dicot |
| cardinal beardtongue | Penstemon cardinalis ssp. cardinalis | PECAC5 | Scrophulariaceae | Dicot |
| cardinal beardtongue | Penstemon cardinalis ssp. regalis | PECAR | Scrophulariaceae | Dicot |
| cardinal catchfly | Silene laciniata | SILA2 | Caryophyllaceae | Dicot |
| cardinal catchfly | Silene laciniata ssp. greggii | SILAG2 | Caryophyllaceae | Dicot |
| cardinalflower | Lobelia cardinalis | LOCA2 | Campanulaceae | Dicot |
| carelessweed | Cyclachaena | CYCLA4 | Asteraceae | Dicot |
| Carelessweed | Cyclachaena xanthiifolia | CYXA2 | Asteraceae | Dicot |
| carelessweed | Amaranthus palmeri | AMPA | Amaranthaceae | Dicot |
| Carleton"s sand verbena | Abronia carletonii | ABCA | Nyctaginaceae | Dicot |
| carminatia | Carminatia | CARMI | Asteraceae | Dicot |
| Carolina bugbane | Trautvetteria caroliniensis | TRCA | Ranunculaceae | Dicot |
| Carolina canarygrass | Phalaris caroliniana | PHCA6 | Poaceae | Monocot |
| Carolina crabgrass | Digitaria pubiflora | DIPU9 | Poaceae | Monocot |
| Carolina draba | Draba reptans | DRRE2 | Brassicaceae | Dicot |
| Carolina foxtail | Alopecurus carolinianus | ALCA4 | Poaceae | Monocot |
| Carolina geranium | Geranium carolinianum | GECA5 | Geraniaceae | Dicot |
| Carolina geranium | Geranium carolinianum var. carolinianum | GECAC4 | Geraniaceae | Dicot |
| Carolina horsenettle | Solanum carolinense | SOCA3 | Solanaceae | Dicot |
| Carolina horsenettle | Solanum carolinense var. carolinense | SOCAC4 | Solanaceae | Dicot |
| Carolina larkspur | Delphinium carolinianum | DECA3 | Ranunculaceae | Dicot |
| Carolina larkspur | Delphinium carolinianum ssp. virescens | DECAV2 | Ranunculaceae | Dicot |
| carpet phlox | Phlox hoodii ssp. canescens | PHHOC | Polemoniaceae | Dicot |
| carpetweed | Mollugo | MOLLU | Molluginaceae | Dicot |
| Carrizo Creek ragwort | Packera spellenbergii | PASP18 | Asteraceae | Dicot |
| carrotleaf biscuitroot | Lomatium dissectum var. multifidum | LODIM | Apiaceae | Dicot |
| Carruth"s sagewort | Artemisia carruthii | ARCA14 | Asteraceae | Dicot |
| carum | Carum | CARUM | Apiaceae | Dicot |
| cassava | Manihot | MANIH | Euphorbiaceae | Dicot |
| Castetter"s milkvetch | Astragalus castetteri | ASCA16 | Fabaceae | Dicot |
| cat"s ear | Hypochaeris | HYPOC | Asteraceae | Dicot |
| catalpa | Catalpa | CATAL | Bignoniaceae | Dicot |
| catchfly | Silene | SILEN | Caryophyllaceae | Dicot |
| catchfly prairie gentian | Eustoma exaltatum | EUEX5 | Gentianaceae | Dicot |
| catchfly prairie gentian | Eustoma exaltatum ssp. exaltatum | EUEXE2 | Gentianaceae | Dicot |
| catclaw acacia | Acacia greggii | ACGR | Fabaceae | Dicot |
| catclaw acacia | Acacia greggii var. greggii | ACGRG3 | Fabaceae | Dicot |
| catclaw mimosa | Mimosa aculeaticarpa | MIAC3 | Fabaceae | Dicot |
| catclaw mimosa | Mimosa aculeaticarpa var. biuncifera | MIACB | Fabaceae | Dicot |
| caterpillars | Phacelia congesta | PHCO2 | Hydrophyllaceae | Dicot |
| catnip | Nepeta | NEPET | Lamiaceae | Dicot |
| catnip | Nepeta cataria | NECA2 | Lamiaceae | Dicot |
| catnip noseburn | Tragia nepetifolia | TRNE | Euphorbiaceae | Dicot |
| catnip noseburn | Tragia nepetifolia var. dissecta | TRNED | Euphorbiaceae | Dicot |
| cattail | Typha | TYPHA | Typhaceae | Monocot |
| Caucasian bluestem | Bothriochloa bladhii | BOBL | Poaceae | Monocot |
| cayenne pepper | Capsicum annuum | CAAN4 | Solanaceae | Dicot |
| cayenne pepper | Capsicum annuum var. glabriusculum | CAANG | Solanaceae | Dicot |
| ceanothus | Ceanothus | CEANO | Rhamnaceae | Dicot |
| cedar sedge | Carex planostachys | CAPL3 | Cyperaceae | Monocot |
| celery | Apium | APIUM | Apiaceae | Dicot |
| centaury | Centaurium | CENTA2 | Gentianaceae | Dicot |
| cereal rye | Secale cereale | SECE | Poaceae | Monocot |
| cerro hawthorn | Crataegus erythropoda | CRER | Rosaceae | Dicot |
| Chaco milkvetch | Astragalus micromerius | ASMI5 | Fabaceae | Dicot |
| chaffweed | Anagallis minima | ANMI4 | Primulaceae | Dicot |
| chairmaker"s bulrush | Schoenoplectus americanus | SCAM6 | Cyperaceae | Monocot |
| Chalk Hill hymenopappus | Hymenopappus tenuifolius | HYTE2 | Asteraceae | Dicot |
| chamaechaenactis | Chamaechaenactis | CHAMA3 | Asteraceae | Dicot |
| Chamisso arnica | Arnica chamissonis | ARCH3 | Asteraceae | Dicot |
| Chamisso arnica | Arnica chamissonis ssp. foliosa | ARCHF | Asteraceae | Dicot |
| Chamisso arnica | Arnica chamissonis ssp. foliosa var. andina | ARCHA2 | Asteraceae | Dicot |
| Chamisso"s larkspur | Delphinium ×confertiflorum | DECO3 | Ranunculaceae | Dicot |
| chamomile | Anthemis | ANTHE | Asteraceae | Dicot |
| changing fleabane | Erigeron versicolor | ERVE13 | Asteraceae | Dicot |
| chaparral asphead | Aspicarpa hirtella | ASHI3 | Malpighiaceae | Dicot |
| chaparral fleabane | Erigeron oreophilus | EROR5 | Asteraceae | Dicot |
| Chaplin"s golden columbine | Aquilegia chrysantha var. chaplinei | AQCHC | Ranunculaceae | Dicot |
| Charleston Mountain silverbush | Argythamnia cyanophylla | ARCY | Euphorbiaceae | Dicot |
| charlock mustard | Sinapis arvensis | SIAR4 | Brassicaceae | Dicot |
| chastetree | Vitex | VITEX | Verbenaceae | Dicot |
| cheatgrass | Bromus tectorum | BRTE | Poaceae | Monocot |
| checkerbloom | Sidalcea | SIDAL | Malvaceae | Dicot |
| cheerful sunflower | Helianthus ×laetiflorus | HELA | Asteraceae | Dicot |
| cheeseweed mallow | Malva parviflora | MAPA5 | Malvaceae | Dicot |
| chenopod brickellbush | Brickellia chenopodina | BRCH | Asteraceae | Dicot |
| chervil | Chaerophyllum | CHAER | Apiaceae | Dicot |
| chestnut rush | Juncus castaneus | JUCA6 | Juncaceae | Monocot |
| chestnut rush | Juncus castaneus ssp. castaneus | JUCAC2 | Juncaceae | Monocot |
| chestnut rush | Juncus castaneus ssp. castaneus var. castaneus | JUCAC6 | Juncaceae | Monocot |
| chia | Salvia columbariae | SACO6 | Lamiaceae | Dicot |
| chia | Salvia columbariae var. columbariae | SACOC | Lamiaceae | Dicot |
| Chickasaw plum | Prunus angustifolia | PRAN3 | Rosaceae | Dicot |
| chickenthief | Mentzelia oligosperma | MEOL | Loasaceae | Dicot |
| chickpea milkvetch | Astragalus cicer | ASCI4 | Fabaceae | Dicot |
| chicory | Cichorium | CICHO | Asteraceae | Dicot |
| chicory | Cichorium intybus | CIIN | Asteraceae | Dicot |
| Chihuahua pricklypear | Opuntia chihuahuensis | OPCH3 | Cactaceae | Dicot |
| Chihuahua scaly cloakfern | Astrolepis cochisensis ssp. chihuahuaensis | ASCOC2 | Pteridaceae | Fern |
| Chihuahua tansyaster | Machaeranthera pinnatifida ssp. pinnatifida var. chihuahuana | MAPIC | Asteraceae | Dicot |
| Chihuahuan arrowhead | Sagittaria demersa | SADE11 | Alismataceae | Monocot |
| Chihuahuan ash | Fraxinus papillosa | FRPA4 | Oleaceae | Dicot |
| Chihuahuan brickellbush | Brickellia floribunda | BRFL | Asteraceae | Dicot |
| Chihuahuan fishhook cactus | Sclerocactus uncinatus | SCUN4 | Cactaceae | Dicot |
| Chihuahuan fishhook cactus | Sclerocactus uncinatus var. wrightii | SCUNW | Cactaceae | Dicot |
| Chihuahuan flax | Linum vernale | LIVE2 | Linaceae | Dicot |
| Chihuahuan groundcherry | Physalis subulata | PHSU7 | Solanaceae | Dicot |
| Chihuahuan lovegrass | Eragrostis erosa | ERER | Poaceae | Monocot |
| Chihuahuan pine | Pinus leiophylla | PILE | Pinaceae | Gymnosperm |
| Chihuahuan pine | Pinus leiophylla var. chihuahuana | PILEC | Pinaceae | Gymnosperm |
| Chihuahuan prairie clover | Dalea exigua | DAEX2 | Fabaceae | Dicot |
| Chihuahuan stickseed | Hackelia ursina | HAUR | Boraginaceae | Dicot |
| Chihuahuan stickseed | Hackelia ursina var. pustulata | HAURP | Boraginaceae | Dicot |
| Chihuahuan stickseed | Hackelia ursina var. ursina | HAURU | Boraginaceae | Dicot |
| Chihuahuan waterclover | Marsilea mollis | MAMO4 | Marsileaceae | Fern |
| Chinaberrytree | Melia azedarach | MEAZ | Meliaceae | Dicot |
| chinchweed | Pectis | PECTI | Asteraceae | Dicot |
| Chinese lantern | Quincula lobata | QULO2 | Solanaceae | Dicot |
| Chinese thorn-apple | Datura quercifolia | DAQU | Solanaceae | Dicot |
| chinkapin oak | Quercus muehlenbergii | QUMU | Fagaceae | Dicot |
| Chiricahua adder"s-mouth orchid | Malaxis soulei | MASO8 | Orchidaceae | Monocot |
| Chiricahua Mountain alumroot | Heuchera glomerulata | HEGL6 | Saxifragaceae | Dicot |
| Chiricahua Mountain columbine | Aquilegia triternata | AQTR | Ranunculaceae | Dicot |
| Chiricahua Mountain dock | Rumex orthoneurus | RUOR3 | Polygonaceae | Dicot |
| Chiricahua Mountain eryngo | Eryngium lemmonii | ERLE12 | Apiaceae | Dicot |
| Chiricahua Mountain larkspur | Delphinium andesicola | DEAN2 | Ranunculaceae | Dicot |
| Chiricahua Mountain mock vervain | Glandularia chiricahensis | GLCH | Verbenaceae | Dicot |
| Chiricahua Mountain mudwort | Limosella pubiflora | LIPU5 | Scrophulariaceae | Dicot |
| Chiricahua Mountain stinkweed | Cleomella longipes | CLLO | Capparaceae | Dicot |
| Chiricahua Mountain tansyaster | Machaeranthera riparia | MARI | Asteraceae | Dicot |
| Chisos Mountain crested coralroot | Hexalectris revoluta | HERE2 | Orchidaceae | Monocot |
| Chisos Mountain false Indianmallow | Allowissadula holosericea | ALHO4 | Malvaceae | Dicot |
| chloracantha | Chloracantha | CHLOR6 | Asteraceae | Dicot |
| chokecherry | Prunus virginiana | PRVI | Rosaceae | Dicot |
| cholla | Cylindropuntia | CYLIN2 | Cactaceae | Dicot |
| cholla | Grusonia | GRUSO | Cactaceae | Dicot |
| chorispora | Chorispora | CHORI | Brassicaceae | Dicot |
| Christmas cactus | Cylindropuntia leptocaulis | CYLE8 | Cactaceae | Dicot |
| chrysactinia | Chrysactinia | CHRYS | Asteraceae | Dicot |
| chuckwalla combseed | Pectocarya heterocarpa | PEHE | Boraginaceae | Dicot |
| cibola milkvetch | Astragalus albulus | ASAL5 | Fabaceae | Dicot |
| Cimarron buckwheat | Eriogonum aliquantum | ERAL11 | Polygonaceae | Dicot |
| cinquefoil | Potentilla | POTEN | Rosaceae | Dicot |
| clammy groundcherry | Physalis heterophylla | PHHE5 | Solanaceae | Dicot |
| clammy groundcherry | Physalis heterophylla var. heterophylla | PHHEH3 | Solanaceae | Dicot |
| clammy hedgehyssop | Gratiola neglecta | GRNE | Scrophulariaceae | Dicot |
| clammyweed | Polanisia | POLAN | Capparaceae | Dicot |
| clapdaisy | Clappia | CLAPP | Asteraceae | Dicot |
| clasping coneflower | Dracopis amplexicaulis | DRAM | Asteraceae | Dicot |
| clasping pepperweed | Lepidium perfoliatum | LEPE2 | Brassicaceae | Dicot |
| clasping Venus" looking-glass | Triodanis perfoliata | TRPE4 | Campanulaceae | Dicot |
| clasping yellowtops | Flaveria chlorifolia | FLCH | Asteraceae | Dicot |
| claspleaf twistedstalk | Streptopus amplexifolius | STAM2 | Liliaceae | Monocot |
| claspleaf twistedstalk | Streptopus amplexifolius var. amplexifolius | STAMA2 | Liliaceae | Monocot |
| cleftleaf wildheliotrope | Phacelia crenulata | PHCR | Hydrophyllaceae | Dicot |
| cleftleaf wildheliotrope | Phacelia crenulata var. corrugata | PHCRC | Hydrophyllaceae | Dicot |
| cleftleaf wildheliotrope | Phacelia crenulata var. crenulata | PHCRC3 | Hydrophyllaceae | Dicot |
| cliff false goldenaster | Heterotheca viscida | HEVI5 | Asteraceae | Dicot |
| cliff fendlerbush | Fendlera rupicola | FERU | Hydrangeaceae | Dicot |
| cliff fern | Woodsia | WOODS | Dryopteridaceae | Fern |
| cliff goldenbush | Ericameria cuneata | ERCU7 | Asteraceae | Dicot |
| cliff goldenbush | Ericameria cuneata var. spathulata | ERCUS | Asteraceae | Dicot |
| cliff muhly | Muhlenbergia polycaulis | MUPO | Poaceae | Monocot |
| cliffbrake | Pellaea | PELLA | Pteridaceae | Fern |
| cliffbush | Jamesia | JAMES | Hydrangeaceae | Dicot |
| climbing arrowheads | Sicyosperma gracile | SIGR | Cucurbitaceae | Dicot |
| climbing nightshade | Solanum dulcamara | SODU | Solanaceae | Dicot |
| climbing nightshade | Solanum dulcamara var. dulcamara | SODUD | Solanaceae | Dicot |
| climbing wartclub | Boerhavia scandens | BOSC | Nyctaginaceae | Dicot |