List of Alaska Plants
| Plant Name | Scientific Name | Plant CD | Family | Type |
|---|---|---|---|---|
| adder"s-mouth orchid | Malaxis | MALAX | Orchidaceae | Monocot |
| adder"s-mouth orchid | Malaxis monophyllos | MAMO9 | Orchidaceae | Monocot |
| adderstongue | Ophioglossum | OPHIO | Ophioglossaceae | Fern |
| adoxa | Adoxa | ADOXA | Adoxaceae | Dicot |
| agoseris | Agoseris | AGOSE | Asteraceae | Dicot |
| Alaska alkaligrass | Puccinellia kamtschatica | PUKA | Poaceae | Monocot |
| Alaska arnica | Arnica unalaschcensis | ARUN | Asteraceae | Dicot |
| Alaska bellheather | Harrimanella stelleriana | HAST3 | Ericaceae | Dicot |
| Alaska blackberry | Rubus alaskensis | RUAL6 | Rosaceae | Dicot |
| Alaska blue-eyed grass | Sisyrinchium littorale | SILI4 | Iridaceae | Monocot |
| Alaska blueberry | Vaccinium alaskaense | VAAL3 | Ericaceae | Dicot |
| Alaska bluegrass | Poa paucispicula | POPA26 | Poaceae | Monocot |
| Alaska bog willow | Salix fuscescens | SAFU | Salicaceae | Dicot |
| Alaska brome | Bromus sitchensis | BRSI | Poaceae | Monocot |
| Alaska cedar | Callitropsis nootkatensis | CANO9 | Cupressaceae | Gymnosperm |
| Alaska curved woodrush | Luzula arcuata ssp. unalaschcensis | LUARU | Juncaceae | Monocot |
| Alaska draba | Draba stenoloba | DRST2 | Brassicaceae | Dicot |
| Alaska draba | Draba stenoloba var. stenoloba | DRSTS | Brassicaceae | Dicot |
| Alaska dwarf-primrose | Douglasia ochotensis | DOOC | Primulaceae | Dicot |
| Alaska grass of Parnassus | Parnassia palustris var. palustris | PAPAP | Saxifragaceae | Dicot |
| Alaska hawkweed | Hieracium gracile var. alaskanum | HIGRA | Asteraceae | Dicot |
| Alaska hollyfern | Polystichum setigerum | POSE5 | Dryopteridaceae | Fern |
| Alaska Indian paintbrush | Castilleja unalaschcensis | CAUN4 | Scrophulariaceae | Dicot |
| Alaska knotweed | Polygonum caurianum | POCA10 | Polygonaceae | Dicot |
| Alaska mistmaiden | Romanzoffia unalaschcensis | ROUN | Hydrophyllaceae | Dicot |
| Alaska mistmaiden | Romanzoffia unalaschcensis var. glabriuscula | ROUNG | Hydrophyllaceae | Dicot |
| Alaska mistmaiden | Romanzoffia unalaschcensis var. unalaschcensis | ROUNU | Hydrophyllaceae | Dicot |
| Alaska moonwort | Botrychium alaskense | BOAK | Ophioglossaceae | Fern |
| Alaska oniongrass | Melica subulata | MESU | Poaceae | Monocot |
| Alaska oniongrass | Melica subulata var. subulata | MESUS | Poaceae | Monocot |
| Alaska orache | Atriplex alaskensis | ATAL | Chenopodiaceae | Dicot |
| Alaska rush | Juncus arcticus ssp. alaskanus | JUARA | Juncaceae | Monocot |
| Alaska saxifrage | Saxifraga razshivinii | SARA7 | Saxifragaceae | Dicot |
| Alaska springbeauty | Claytonia sarmentosa | CLSA2 | Portulacaceae | Dicot |
| Alaska starwort | Stellaria alaskana | STAL3 | Caryophyllaceae | Dicot |
| Alaska tall bluebells | Mertensia paniculata var. alaskana | MEPAA | Boraginaceae | Dicot |
| Alaska wild rhubarb | Polygonum alpinum | POAL11 | Polygonaceae | Dicot |
| Alaska wormwood | Artemisia alaskana | ARAL5 | Asteraceae | Dicot |
| Alaskan bluegrass | Poa hartzii ssp. alaskana | POHAA | Poaceae | Monocot |
| Alaskan bugseed | Corispermum ochotense var. alaskanum | COOCA | Chenopodiaceae | Dicot |
| Alaskan douglasia | Douglasia alaskana | DOAL2 | Primulaceae | Dicot |
| Alaskan glacier buttercup | Ranunculus glacialis ssp. alaskensis | RAGLA | Ranunculaceae | Dicot |
| Alaskan mountain-avens | Dryas octopetala ssp. alaskensis | DROCA2 | Rosaceae | Dicot |
| Alaskan phlox | Phlox richardsonii ssp. alaskensis | PHRIA | Polemoniaceae | Dicot |
| Alaskan scouringrush | Equisetum variegatum var. alaskanum | EQVAA | Equisetaceae | Horsetail |
| Alaskan wheatgrass | Elymus alaskanus | ELAL5 | Poaceae | Monocot |
| Alaskan wheatgrass | Elymus alaskanus ssp. alaskanus | ELALA2 | Poaceae | Monocot |
| Alaskan wheatgrass | Elymus alaskanus ssp. latiglumis | ELALL | Poaceae | Monocot |
| Alberta saxifrage | Saxifraga occidentalis | SAOC4 | Saxifragaceae | Dicot |
| alder | Alnus | ALNUS | Betulaceae | Dicot |
| Aleutian avens | Geum pentapetalum | GEPE2 | Rosaceae | Dicot |
| Aleutian bog orchid | Platanthera tipuloides | PLTI | Orchidaceae | Monocot |
| Aleutian bog orchid | Platanthera tipuloides var. behringiana | PLTIB | Orchidaceae | Monocot |
| Aleutian brome | Bromus aleutensis | BRAL6 | Poaceae | Monocot |
| Aleutian chickweed | Cerastium aleuticum | CEAL | Caryophyllaceae | Dicot |
| Aleutian cress | Aphragmus eschscholtzianus | APES | Brassicaceae | Dicot |
| Aleutian draba | Draba aleutica | DRAL | Brassicaceae | Dicot |
| Aleutian holly fern | Polystichum aleuticum | POAL6 | Dryopteridaceae | Fern |
| Aleutian maidenhair | Adiantum aleuticum | ADAL | Pteridaceae | Fern |
| Aleutian mountainheath | Phyllodoce aleutica | PHAL4 | Ericaceae | Dicot |
| Aleutian ragwort | Senecio cannabifolius | SECA7 | Asteraceae | Dicot |
| Aleutian saxifrage | Saxifraga aleutica | SAAL6 | Saxifragaceae | Dicot |
| Aleutian selfheal | Prunella vulgaris ssp. aleutica | PRVUA | Lamiaceae | Dicot |
| Aleutian violet | Viola langsdorffii | VILA6 | Violaceae | Dicot |
| Aleutian wildrye | ×Elyleymus aleuticus | ELAL4 | Poaceae | Monocot |
| Aleutian wormwood | Artemisia aleutica | ARAL6 | Asteraceae | Dicot |
| alfalfa | Medicago sativa | MESA | Fabaceae | Dicot |
| alfalfa | Medicago sativa ssp. sativa | MESAS | Fabaceae | Dicot |
| alfalfa | Medicago | MEDIC | Fabaceae | Dicot |
| alkali buttercup | Ranunculus cymbalaria | RACY | Ranunculaceae | Dicot |
| alkaligrass | Puccinellia | PUCCI | Poaceae | Monocot |
| alliaria | Alliaria | ALLIA | Brassicaceae | Dicot |
| alpine aster | Aster alpinus | ASAL3 | Asteraceae | Dicot |
| alpine azalea | Loiseleuria procumbens | LOPR | Ericaceae | Dicot |
| alpine bearberry | Arctostaphylos alpina | ARAL2 | Ericaceae | Dicot |
| alpine bearberry | Arctostaphylos alpina var. alpina | ARALA7 | Ericaceae | Dicot |
| alpine bentgrass | Agrostis humilis | AGHU | Poaceae | Monocot |
| alpine bistort | Polygonum viviparum | POVI3 | Polygonaceae | Dicot |
| alpine bittercress | Cardamine bellidifolia | CABE | Brassicaceae | Dicot |
| alpine bittercress | Cardamine bellidifolia var. bellidifolia | CABEB | Brassicaceae | Dicot |
| alpine bluegrass | Poa alpina | POAL2 | Poaceae | Monocot |
| alpine bulrush | Trichophorum alpinum | TRAL7 | Cyperaceae | Monocot |
| alpine clubmoss | Lycopodium alpinum | LYAL3 | Lycopodiaceae | Lycopod |
| alpine draba | Draba alpina | DRAL2 | Brassicaceae | Dicot |
| alpine fescue | Festuca brachyphylla | FEBR | Poaceae | Monocot |
| alpine fescue | Festuca brachyphylla ssp. brachyphylla | FEBRB | Poaceae | Monocot |
| alpine forget-me-not | Eritrichium | ERITR | Boraginaceae | Dicot |
| alpine golden buckwheat | Eriogonum flavum | ERFL4 | Polygonaceae | Dicot |
| alpine golden buckwheat | Eriogonum flavum var. aquilinum | ERFLA | Polygonaceae | Dicot |
| alpine groundsel | Packera pauciflora | PAPA19 | Asteraceae | Dicot |
| alpine heuchera | Heuchera glabra | HEGL5 | Saxifragaceae | Dicot |
| alpine ladyfern | Athyrium americanum | ATAM | Dryopteridaceae | Fern |
| alpine laurel | Kalmia microphylla | KAMI | Ericaceae | Dicot |
| alpine leafybract aster | Symphyotrichum foliaceum | SYFO2 | Asteraceae | Dicot |
| alpine leafybract aster | Symphyotrichum foliaceum var. foliaceum | SYFOF | Asteraceae | Dicot |
| alpine lewisia | Lewisia pygmaea | LEPY2 | Portulacaceae | Dicot |
| Alpine Meadow-Foxtail | Alopecurus magellanicus | ALMA8 | Poaceae | Monocot |
| 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 pondweed | Potamogeton alpinus | POAL8 | Potamogetonaceae | Monocot |
| alpine pussytoes | Antennaria alpina | ANAL4 | Asteraceae | Dicot |
| alpine saxifrage | Saxifraga nivalis | SANI6 | Saxifragaceae | Dicot |
| alpine smelowskia | Smelowskia calycina | SMCA | Brassicaceae | Dicot |
| alpine sweetgrass | Anthoxanthum monticola | ANMO7 | Poaceae | Monocot |
| alpine sweetgrass | Anthoxanthum monticola ssp. alpinum | ANMOA3 | Poaceae | Monocot |
| alpine sweetgrass | Anthoxanthum monticola ssp. monticola | ANMOM2 | Poaceae | Monocot |
| alpine sweetvetch | Hedysarum alpinum | HEAL | Fabaceae | Dicot |
| alpine timothy | Phleum alpinum | PHAL2 | Poaceae | Monocot |
| alpine woodrush | Luzula alpinopilosa | LUAL8 | Juncaceae | Monocot |
| alpine woodsia | Woodsia alpina | WOAL | Dryopteridaceae | Fern |
| alplily | Lloydia | LLOYD | Liliaceae | Monocot |
| alsike clover | Trifolium hybridum | TRHY | Fabaceae | Dicot |
| Altai fescue | Festuca altaica | FEAL | Poaceae | Monocot |
| alumroot | Heuchera | HEUCH | Saxifragaceae | Dicot |
| American alpine speedwell | Veronica wormskjoldii | VEWO2 | Scrophulariaceae | Dicot |
| American alpine speedwell | Veronica wormskjoldii var. stelleri | VEWOS | Scrophulariaceae | Dicot |
| American alpine speedwell | Veronica wormskjoldii var. wormskjoldii | VEWOW | Scrophulariaceae | Dicot |
| American bugseed | Corispermum americanum | COAM8 | Chenopodiaceae | Dicot |
| American bugseed | Corispermum americanum var. americanum | COAMA2 | Chenopodiaceae | Dicot |
| American dragonhead | Dracocephalum parviflorum | DRPA2 | Lamiaceae | Dicot |
| American dunegrass | Leymus mollis | LEMO8 | Poaceae | Monocot |
| American dunegrass | Leymus mollis ssp. mollis | LEMOM2 | Poaceae | Monocot |
| American dunegrass | Leymus mollis ssp. villosissimus | LEMOV | Poaceae | Monocot |
| American madwort | Alyssum obovatum | ALOB5 | Brassicaceae | Dicot |
| American mannagrass | Glyceria grandis | GLGR | Poaceae | Monocot |
| American mannagrass | Glyceria grandis var. grandis | GLGRG | Poaceae | Monocot |
| American mannagrass | Glyceria grandis var. komarovii | GLGRK | Poaceae | Monocot |
| American milkvetch | Astragalus americanus | ASAM3 | Fabaceae | Dicot |
| American red raspberry | Rubus idaeus | RUID | Rosaceae | Dicot |
| American red raspberry | Rubus idaeus ssp. idaeus | RUIDI | Rosaceae | Dicot |
| American rockbrake | Cryptogramma acrostichoides | CRAC3 | Pteridaceae | Fern |
| American saw-wort | Saussurea americana | SAAM3 | Asteraceae | Dicot |
| American searocket | Cakile edentula | CAED | Brassicaceae | Dicot |
| American searocket | Cakile edentula ssp. edentula | CAEDE | Brassicaceae | Dicot |
| American searocket | Cakile edentula ssp. edentula var. edentula | CAEDE2 | Brassicaceae | Dicot |
| American silvertop | Glehnia littoralis | GLLI | Apiaceae | Dicot |
| American silvertop | Glehnia littoralis ssp. leiocarpa | GLLIL | Apiaceae | Dicot |
| American skunkcabbage | Lysichiton americanus | LYAM3 | Araceae | Monocot |
| American sloughgrass | Beckmannia syzigachne | BESY | Poaceae | Monocot |
| American speedwell | Veronica americana | VEAM2 | Scrophulariaceae | Dicot |
| American stickseed | Hackelia deflexa var. americana | HADEA | Boraginaceae | Dicot |
| American thorow wax | Bupleurum americanum | BUAM2 | Apiaceae | Dicot |
| American vetch | Vicia americana | VIAM | Fabaceae | Dicot |
| American vetch | Vicia americana ssp. americana | VIAMA3 | Fabaceae | Dicot |
| American waterawlwort | Subularia aquatica var. americana | SUAQA2 | Brassicaceae | Dicot |
| American white waterlily | Nymphaea odorata | NYOD | Nymphaeaceae | Dicot |
| American white waterlily | Nymphaea odorata ssp. odorata | NYODO | Nymphaeaceae | Dicot |
| American woollyfruit sedge | Carex lasiocarpa var. americana | CALAA | Cyperaceae | Monocot |
| American yellowrocket | Barbarea orthoceras | BAOR | Brassicaceae | Dicot |
| amerorchis | Amerorchis | AMERO | Orchidaceae | Monocot |
| amphi-Beringian bluegrass | Poa arctostepporum | POAR23 | Poaceae | Monocot |
| Anadyr draba | Draba stenopetala | DRST3 | Brassicaceae | Dicot |
| Anderson"s alkaligrass | Puccinellia andersonii | PUAN | Poaceae | Monocot |
| Anderson"s hollyfern | Polystichum andersonii | POAN2 | Dryopteridaceae | Fern |
| Anderson"s rockjasmine | Androsace chamaejasme ssp. andersonii | ANCHA | Primulaceae | Dicot |
| anemone | Anemone | ANEMO | Ranunculaceae | Dicot |
| angelica | Angelica | ANGEL | Apiaceae | Dicot |
| annual bluegrass | Poa annua | POAN | Poaceae | Monocot |
| annual canarygrass | Phalaris canariensis | PHCA5 | Poaceae | Monocot |
| annual candytuft | Iberis amara | IBAM | Brassicaceae | Dicot |
| annual fescue | Vulpia myuros | VUMY | Poaceae | Monocot |
| annual hairgrass | Deschampsia danthonioides | DEDA | Poaceae | Monocot |
| annual rabbitsfoot grass | Polypogon monspeliensis | POMO5 | Poaceae | Monocot |
| annual water minerslettuce | Montia fontana | MOFO | Portulacaceae | Dicot |
| apetalous catchfly | Silene uralensis | SIUR | Caryophyllaceae | Dicot |
| apetalous catchfly | Silene uralensis ssp. ogilviensis | SIURO | Caryophyllaceae | Dicot |
| apetalous catchfly | Silene uralensis ssp. uralensis | SIURU | Caryophyllaceae | Dicot |
| aphragmus | Aphragmus | APHRA | Brassicaceae | Dicot |
| apple | Malus | MALUS | Rosaceae | Dicot |
| arborvitae | Thuja | THUJA | Cupressaceae | Gymnosperm |
| arctic alkaligrass | Puccinellia arctica | PUAR | Poaceae | Monocot |
| arctic alpine fleabane | Erigeron humilis | ERHU | Asteraceae | Dicot |
| arctic alpine forget-me-not | Eritrichium nanum | ERNA | Boraginaceae | Dicot |
| arctic alpine forget-me-not | Eritrichium nanum var. aretioides | ERNAA | Boraginaceae | Dicot |
| arctic alpine forget-me-not | Eritrichium nanum var. chamissonis | ERNAC | Boraginaceae | Dicot |
| arctic aster | Eurybia sibirica | EUSI13 | Asteraceae | Dicot |
| arctic bellflower | Campanula uniflora | CAUN2 | Campanulaceae | Dicot |
| arctic bentgrass | Agrostis aequivalvis | AGAE | Poaceae | Monocot |
| arctic bladderpod | Lesquerella arctica | LEAR2 | Brassicaceae | Dicot |
| arctic bladderwort | Utricularia stygia | UTST2 | Lentibulariaceae | Dicot |
| arctic bluegrass | Poa arctica | POAR2 | Poaceae | Monocot |
| arctic bluegrass | Poa arctica ssp. arctica | POARA2 | Poaceae | Monocot |
| arctic bluegrass | Poa arctica ssp. lanata | POARL4 | Poaceae | Monocot |
| arctic catchfly | Silene involucrata | SIIN4 | Caryophyllaceae | Dicot |
| arctic catchfly | Silene involucrata ssp. elatior | SIINE | Caryophyllaceae | Dicot |
| arctic catchfly | Silene involucrata ssp. involucrata | SIINI2 | Caryophyllaceae | Dicot |
| arctic cinquefoil | Potentilla matsuokana | POMA47 | Rosaceae | Dicot |
| arctic cinquefoil | Potentilla matsuokana ssp. hemicryophila | POMAH | Rosaceae | Dicot |
| arctic cinquefoil | Potentilla nana | PONA6 | Rosaceae | Dicot |
| arctic cottongrass | Eriophorum callitrix | ERCA13 | Cyperaceae | Monocot |
| arctic cottongrass | Eriophorum callitrix var. callitrix | ERCAC2 | Cyperaceae | Monocot |
| arctic cottongrass | Eriophorum callitrix var. moravium | ERCAM | Cyperaceae | Monocot |
| arctic daisy | Chrysanthemum arcticum | CHAR13 | Asteraceae | Dicot |
| arctic daisy | Chrysanthemum arcticum ssp. arcticum | CHARA | Asteraceae | Dicot |
| arctic daisy | Chrysanthemum arcticum ssp. polare | CHARP3 | Asteraceae | Dicot |
| arctic dock | Rumex arcticus | RUAR6 | Polygonaceae | Dicot |
| arctic dock | Rumex arcticus var. arcticus | RUARA | Polygonaceae | Dicot |
| arctic dock | Rumex arcticus var. perlatus | RUARP | Polygonaceae | Dicot |
| arctic eyebright | Euphrasia subarctica | EUSU2 | Scrophulariaceae | Dicot |
| arctic goldenrod | Solidago multiradiata var. arctica | SOMUA | Asteraceae | Dicot |
| arctic groundsel | Tephroseris atropurpurea | TEAT2 | Asteraceae | Dicot |
| arctic groundsel | Tephroseris atropurpurea ssp. atropurpurea | TEATA | Asteraceae | Dicot |
| arctic groundsel | Tephroseris atropurpurea ssp. frigida | TEATF2 | Asteraceae | Dicot |
| arctic locoweed | Oxytropis arctica | OXAR2 | Fabaceae | Dicot |
| arctic locoweed | Oxytropis arctica var. arctica | OXARA | Fabaceae | Dicot |
| arctic lousewort | Pedicularis langsdorffii ssp. arctica | PELAA2 | Scrophulariaceae | Dicot |
| arctic lupine | Lupinus arcticus | LUAR2 | Fabaceae | Dicot |
| arctic lupine | Lupinus arcticus ssp. arcticus | LUARA4 | Fabaceae | Dicot |
| arctic lyme grass | Leymus ajanensis | LEAJ | Poaceae | Monocot |
| arctic marsh sedge | Carex holostoma | CAHO4 | Cyperaceae | Monocot |
| arctic pearlwort | Sagina saginoides | SASA | Caryophyllaceae | Dicot |
| arctic pennycress | Noccaea arctica | NOAR2 | Brassicaceae | Dicot |
| arctic poppy | Papaver gorodkovii | PAGO4 | Papaveraceae | Dicot |
| arctic primrose | Primula eximia | PREX2 | Primulaceae | Dicot |
| arctic raspberry | Rubus arcticus | RUAR | Rosaceae | Dicot |
| arctic raspberry | Rubus arcticus ssp. arcticus | RUARA3 | Rosaceae | Dicot |
| arctic raspberry | Rubus arcticus ssp. stellatus | RUARS | Rosaceae | Dicot |
| arctic rattlebox | Rhinanthus minor ssp. groenlandicus | RHMIG | Scrophulariaceae | Dicot |
| arctic rush | Juncus arcticus | JUAR2 | Juncaceae | Monocot |
| arctic seashore willow | Salix ovalifolia var. arctolitoralis | SAOVA | Salicaceae | Dicot |
| arctic springbeauty | Claytonia arctica | CLAR2 | Portulacaceae | Dicot |
| arctic starflower | Trientalis europaea | TREU | Primulaceae | Dicot |
| arctic starflower | Trientalis europaea ssp. arctica | TREUA | Primulaceae | Dicot |
| arctic stitchwort | Minuartia arctica | MIAR3 | Caryophyllaceae | Dicot |
| arctic sweet coltsfoot | Petasites frigidus | PEFR5 | Asteraceae | Dicot |
| arctic sweet coltsfoot | Petasites frigidus var. frigidus | PEFRF | Asteraceae | Dicot |
| arctic sweet coltsfoot | Petasites frigidus var. vitifolius | PEFRV | Asteraceae | Dicot |
| arctic sweetgrass | Hierochloe pauciflora | HIPA3 | Poaceae | Monocot |
| arctic whitlowgrass | Draba arctica | DRAR5 | Brassicaceae | Dicot |
| arctic willow | Salix arctica | SAAR27 | Salicaceae | Dicot |
| arctic willowherb | Epilobium arcticum | EPAR2 | Onagraceae | Dicot |
| arctic woodrush | Luzula arctica | LUAR9 | Juncaceae | Monocot |
| arctic woodrush | Luzula arctica ssp. arctica | LUARA8 | Juncaceae | Monocot |
| arctic wormwood | Artemisia senjavinensis | ARSE5 | Asteraceae | Dicot |
| arctic yellow violet | Viola biflora | VIBI2 | Violaceae | Dicot |
| arctic yellow violet | Viola biflora ssp. biflora | VIBIB2 | Violaceae | Dicot |
| arcuate barley | ×Elyhordeum arcuatum | ELAR5 | Poaceae | Monocot |
| armeria | Armeria | ARMER | Plumbaginaceae | Dicot |
| arnica | Arnica | ARNIC | Asteraceae | Dicot |
| arrowgrass | Triglochin | TRIGL | Juncaginaceae | Monocot |
| arrowhead | Sagittaria | SAGIT | Alismataceae | Monocot |
| arrowleaf ragwort | Senecio triangularis | SETR | Asteraceae | Dicot |
| arrowleaf sweet coltsfoot | Petasites frigidus var. sagittatus | PEFRS5 | Asteraceae | Dicot |
| arumleaf arrowhead | Sagittaria cuneata | SACU | Alismataceae | Monocot |
| aruncus | Aruncus | ARUNC | Rosaceae | Dicot |
| Asian forget-me-not | Myosotis asiatica | MYAS2 | Boraginaceae | Dicot |
| Asian oakfern | Gymnocarpium jessoense | GYJE | Dryopteridaceae | Fern |
| Asian oakfern | Gymnocarpium jessoense ssp. parvulum | GYJEP | Dryopteridaceae | Fern |
| aster | Aster | ASTER | Asteraceae | Dicot |
| aster | Eurybia | EURYB | Asteraceae | Dicot |
| aster | Symphyotrichum | SYMPH4 | Asteraceae | Dicot |
| Athabasca willow | Salix athabascensis | SAAT | Salicaceae | Dicot |
| attu hollyfern | Polystichum microchlamys | POMI5 | Dryopteridaceae | Fern |
| Austrian draba | Draba fladnizensis | DRFL | Brassicaceae | Dicot |
| Austrian draba | Draba fladnizensis var. fladnizensis | DRFLF2 | Brassicaceae | Dicot |
| autumn dwarf gentian | Gentianella amarella | GEAM3 | Gentianaceae | Dicot |
| autumn dwarf gentian | Gentianella amarella ssp. acuta | GEAMA | Gentianaceae | Dicot |
| avens | Geum | GEUM | Rosaceae | Dicot |
| avens | Geum ×macranthum | GEMA5 | Rosaceae | Dicot |
| awlfruit sedge | Carex stipata | CAST5 | Cyperaceae | Monocot |
| awlwort | Subularia | SUBUL | Brassicaceae | Dicot |
| baby blue eyes | Nemophila | NEMOP | Hydrophyllaceae | Dicot |
| baby blue eyes | Nemophila menziesii | NEME | Hydrophyllaceae | Dicot |
| baby blue eyes | Nemophila menziesii var. atomaria | NEMEA | Hydrophyllaceae | Dicot |
| baby"s-breath | Gypsophila | GYPSO | Caryophyllaceae | Dicot |
| Baffin fescue | Festuca baffinensis | FEBA | Poaceae | Monocot |
| Baikal sedge | Carex sabulosa | CASA5 | Cyperaceae | Monocot |
| bald brome | Bromus racemosus | BRRA2 | Poaceae | Monocot |
| bald spikerush | Eleocharis erythropoda | ELER | Cyperaceae | Monocot |
| ballmustard | Neslia paniculata | NEPA3 | Brassicaceae | Dicot |
| balsam groundsel | Packera paupercula | PAPA20 | Asteraceae | Dicot |
| balsam poplar | Populus balsamifera | POBA2 | Salicaceae | Dicot |
| balsam poplar | Populus balsamifera ssp. balsamifera | POBAB2 | Salicaceae | Dicot |
| baneberry | Actaea | ACTAE | Ranunculaceae | Dicot |
| Barclay"s willow | Salix barclayi | SABA3 | Salicaceae | Dicot |
| barley | ×Elyhordeum | ELYHO | Poaceae | Monocot |
| barley | Hordeum | HORDE | Poaceae | Monocot |
| Barneby"s locoweed | Oxytropis arctica var. barnebyana | OXARB | Fabaceae | Dicot |
| Barratt"s willow | Salix barrattiana | SABA4 | Salicaceae | Dicot |
| barren ground willow | Salix nummularia | SANU4 | Salicaceae | Dicot |
| barrenground willow | Salix niphoclada | SANI10 | Salicaceae | Dicot |
| bastard toadflax | Comandra | COMAN | Santalaceae | Dicot |
| bastard toadflax | Comandra umbellata | COUM | Santalaceae | Dicot |
| beach pea | Lathyrus japonicus | LAJA | Fabaceae | Dicot |
| beach pea | Lathyrus japonicus var. japonicus | LAJAJ | Fabaceae | Dicot |
| beach pea | Lathyrus japonicus var. maritimus | LAJAM | Fabaceae | Dicot |
| beach pine | Pinus contorta var. contorta | PICOC | Pinaceae | Gymnosperm |
| beach strawberry | Fragaria chiloensis | FRCH | Rosaceae | Dicot |
| beachhead iris | Iris setosa | IRSE | Iridaceae | Monocot |
| beachhead iris | Iris setosa var. setosa | IRSES | Iridaceae | Monocot |
| beaked sedge | Carex rostrata | CARO6 | Cyperaceae | Monocot |
| beaksedge | Rhynchospora | RHYNC3 | Cyperaceae | Monocot |
| bear sedge | Carex ursina | CAUR | Cyperaceae | Monocot |
| beard lichen | Usnea | USNEA2 | Parmeliaceae | Lichen |
| bearded fescue | Festuca subulata | FESU | Poaceae | Monocot |
| beardtongue | Penstemon | PENST | Scrophulariaceae | Dicot |
| beautiful sandwort | Minuartia rubella | MIRU3 | Caryophyllaceae | Dicot |
| beauverd spirea | Spiraea stevenii | SPST3 | Rosaceae | Dicot |
| Bebb willow | Salix bebbiana | SABE2 | Salicaceae | Dicot |
| Bebb"s sedge | Carex bebbii | CABE2 | Cyperaceae | Monocot |
| bedstraw | Galium | GALIU | Rubiaceae | Dicot |
| beechfern | Phegopteris | PHEGO | Thelypteridaceae | Fern |
| beggarticks | Bidens | BIDEN | Asteraceae | Dicot |
| Bellardi bog sedge | Kobresia myosuroides | KOMY | Cyperaceae | Monocot |
| bellflower | Campanula | CAMPA | Campanulaceae | Dicot |
| bellis | Bellis | BELLI | Asteraceae | Dicot |
| bent alkaligrass | Puccinellia agrostidea | PUAG | Poaceae | Monocot |
| bentgrass | Agrostis | AGROS2 | Poaceae | Monocot |
| Bering chickweed | Cerastium beeringianum | CEBE2 | Caryophyllaceae | Dicot |
| Bering chickweed | Cerastium beeringianum ssp. beeringianum | CEBEB2 | Caryophyllaceae | Dicot |
| Bering chickweed | Cerastium beeringianum ssp. beeringianum var. beeringianum | CEBEB4 | Caryophyllaceae | Dicot |
| Bering chickweed | Cerastium beeringianum ssp. beeringianum var. grandiflorum | CEBEG3 | Caryophyllaceae | Dicot |
| Bering dwarf-primrose | Douglasia beringensis | DOBE2 | Primulaceae | Dicot |
| Bering hairgrass | Deschampsia brevifolia | DEBR2 | Poaceae | Monocot |
| Bering Sea dock | Rumex beringensis | RUBE4 | Polygonaceae | Dicot |
| Bering Sea sedge | Carex microchaeta ssp. nesophila | CAMIN | Cyperaceae | Monocot |
| Bering"s tufted hairgrass | Deschampsia beringensis | DEBE2 | Poaceae | Monocot |
| Bicknell"s cranesbill | Geranium bicknellii | GEBI2 | Geraniaceae | Dicot |
| biennial wormwood | Artemisia biennis | ARBI2 | Asteraceae | Dicot |
| biennial wormwood | Artemisia biennis var. biennis | ARBIB | Asteraceae | Dicot |
| big chickweed | Cerastium fontanum ssp. vulgare | CEFOV2 | Caryophyllaceae | Dicot |
| big western bittercress | Cardamine occidentalis | CAOC | Brassicaceae | Dicot |
| Bigelow"s sedge | Carex bigelowii | CABI5 | Cyperaceae | Monocot |
| bigflower tellima | Tellima grandiflora | TEGR2 | Saxifragaceae | Dicot |
| bigleaf lupine | Lupinus polyphyllus | LUPO2 | Fabaceae | Dicot |
| bigleaf lupine | Lupinus polyphyllus ssp. polyphyllus | LUPOP2 | Fabaceae | Dicot |
| bigleaf lupine | Lupinus polyphyllus ssp. polyphyllus var. polyphyllus | LUPOP4 | Fabaceae | Dicot |
| birch | Betula ×sargentii | BESA3 | Betulaceae | Dicot |
| birch | Betula ×winteri | BEWI2 | Betulaceae | Dicot |
| birch | Betula | BETUL | Betulaceae | Dicot |
| birch | Betula ×dugleana | BEDU | Betulaceae | Dicot |
| birch | Betula ×eastwoodiae | BEEA | Betulaceae | Dicot |
| birch | Betula ×hornei | BEHO | Betulaceae | Dicot |
| bird vetch | Vicia cracca | VICR | Fabaceae | Dicot |
| bird vetch | Vicia cracca ssp. cracca | VICRC | Fabaceae | Dicot |
| birdeye pearlwort | Sagina procumbens | SAPR | Caryophyllaceae | Dicot |
| birdeye speedwell | Veronica persica | VEPE3 | Scrophulariaceae | Dicot |
| bitter dock | Rumex obtusifolius | RUOB | Polygonaceae | Dicot |
| bitter fleabane | Erigeron acris | ERAC2 | Asteraceae | Dicot |
| bitter fleabane | Erigeron acris ssp. debilis | ERACD2 | Asteraceae | Dicot |
| bitter fleabane | Erigeron acris ssp. kamtschaticus | ERACK3 | Asteraceae | Dicot |
| bitter fleabane | Erigeron acris ssp. politus | ERACP2 | Asteraceae | Dicot |
| bittercress | Cardamine | CARDA | Brassicaceae | Dicot |
| black alpine sedge | Carex nigricans | CANI2 | Cyperaceae | Monocot |
| black bindweed | Polygonum convolvulus | POCO10 | Polygonaceae | Dicot |
| black bindweed | Polygonum convolvulus var. convolvulus | POCOC2 | Polygonaceae | Dicot |
| black chokecherry | Prunus virginiana var. melanocarpa | PRVIM | Rosaceae | Dicot |
| black cottonwood | Populus balsamifera ssp. trichocarpa | POBAT | Salicaceae | Dicot |
| black crowberry | Empetrum nigrum | EMNI | Empetraceae | Dicot |
| black crowberry | Empetrum nigrum ssp. hermaphroditum | EMNIH | Empetraceae | Dicot |
| black crowberry | Empetrum nigrum ssp. nigrum | EMNIN | Empetraceae | Dicot |
| black hawthorn | Crataegus douglasii | CRDO2 | Rosaceae | Dicot |
| black medick | Medicago lupulina | MELU | Fabaceae | Dicot |
| black nightshade | Solanum nigrum | SONI | Solanaceae | Dicot |
| black spruce | Picea mariana | PIMA | Pinaceae | Gymnosperm |
| black vetch | Vicia nigricans | VINI81 | Fabaceae | Dicot |
| blackandwhite sedge | Carex albonigra | CAAL6 | Cyperaceae | Monocot |
| blackberry | Rubus | RUBUS | Rosaceae | Dicot |
| blackeyed Susan | Rudbeckia hirta | RUHI2 | Asteraceae | Dicot |
| blackish oxytrope | Oxytropis nigrescens | OXNI | Fabaceae | Dicot |
| blackish oxytrope | Oxytropis nigrescens var. nigrescens | OXNIN2 | Fabaceae | Dicot |
| bladder campion | Silene latifolia | SILA21 | Caryophyllaceae | Dicot |
| bladder campion | Silene latifolia ssp. alba | SILAA3 | Caryophyllaceae | Dicot |
| bladderfern | Cystopteris | CYSTO | Dryopteridaceae | Fern |
| bladderpod | Lesquerella | LESQU | Brassicaceae | Dicot |
| bladderwort | Utricularia | UTRIC | Lentibulariaceae | Dicot |
| blanketflower | Gaillardia | GAILL | Asteraceae | Dicot |
| blite goosefoot | Chenopodium capitatum | CHCA4 | Chenopodiaceae | Dicot |
| bloody geranium | Geranium sanguineum | GESA2 | Geraniaceae | Dicot |
| blue eyed Mary | Collinsia | COLLI | Scrophulariaceae | Dicot |
| blue lettuce | Lactuca tatarica | LATA | Asteraceae | Dicot |
| blue lettuce | Lactuca tatarica var. pulchella | LATAP | Asteraceae | Dicot |
| blue mountainheath | Phyllodoce caerulea | PHCA10 | Ericaceae | Dicot |
| blue nodding locoweed | Oxytropis deflexa var. sericea | OXDES | Fabaceae | Dicot |
| blue skullcap | Scutellaria lateriflora | SCLA2 | Lamiaceae | Dicot |
| blue skullcap | Scutellaria lateriflora var. lateriflora | SCLAL2 | Lamiaceae | Dicot |
| blue wildrye | Elymus glaucus | ELGL | Poaceae | Monocot |
| blue wildrye | Elymus glaucus ssp. glaucus | ELGLG | Poaceae | Monocot |
| blue wildrye | Elymus glaucus ssp. virescens | ELGLV | Poaceae | Monocot |
| blue-eyed grass | Sisyrinchium | SISYR | Iridaceae | Monocot |
| bluebead | Clintonia | CLINT | Liliaceae | Monocot |
| bluebell bellflower | Campanula rotundifolia | CARO2 | Campanulaceae | Dicot |
| bluebells | Mertensia | MERTE | Boraginaceae | Dicot |
| blueberry | Vaccinium | VACCI | Ericaceae | Dicot |
| blueberry willow | Salix myrtillifolia | SAMY | Salicaceae | Dicot |
| bluebunch wheatgrass | Pseudoroegneria spicata | PSSP6 | Poaceae | Monocot |
| bluebunch wheatgrass | Pseudoroegneria spicata ssp. spicata | PSSPS | Poaceae | 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 |
| bluejoint | Calamagrostis canadensis var. langsdorffii | CACAL3 | Poaceae | Monocot |
| bluntleaf pondweed | Potamogeton obtusifolius | POOB2 | Potamogetonaceae | Monocot |
| bluntleaf sandwort | Moehringia lateriflora | MOLA6 | Caryophyllaceae | Dicot |
| bluntleaf yellowcress | Rorippa curvipes | ROCU2 | Brassicaceae | Dicot |
| bluntleaf yellowcress | Rorippa curvipes var. truncata | ROCUT | Brassicaceae | Dicot |
| bluntleaved orchid | Platanthera obtusata | PLOB | Orchidaceae | Monocot |
| bluntleaved orchid | Platanthera obtusata ssp. obtusata | PLOBO3 | Orchidaceae | Monocot |
| bluntleaved orchid | Platanthera obtusata ssp. oligantha | PLOBO2 | Orchidaceae | Monocot |
| bluntseed sweetroot | Osmorhiza depauperata | OSDE | Apiaceae | Dicot |
| Bodin"s milkvetch | Astragalus bodinii | ASBO | Fabaceae | Dicot |
| bog adder"s-mouth orchid | Malaxis paludosa | MAPA4 | Orchidaceae | Monocot |
| bog blueberry | Vaccinium uliginosum | VAUL | Ericaceae | Dicot |
| bog Labrador tea | Ledum groenlandicum | LEGR | Ericaceae | Dicot |
| bog laurel | Kalmia polifolia | KAPO | Ericaceae | Dicot |
| bog rosemary | Andromeda | ANDRO | Ericaceae | Dicot |
| bog rosemary | Andromeda polifolia | ANPO | Ericaceae | Dicot |
| bog rosemary | Andromeda polifolia var. polifolia | ANPOP | Ericaceae | Dicot |
| bog sedge | Kobresia | KOBRE | Cyperaceae | Monocot |
| bog stitchwort | Minuartia stricta | MIST5 | Caryophyllaceae | Dicot |
| bog willowherb | Epilobium leptophyllum | EPLE2 | Onagraceae | Dicot |
| bog yellowcress | Rorippa palustris | ROPA2 | Brassicaceae | Dicot |
| bog yellowcress | Rorippa palustris ssp. palustris | ROPAP | Brassicaceae | Dicot |
| Bolander"s water-starwort | Callitriche heterophylla ssp. bolanderi | CAHEB3 | Callitrichaceae | Dicot |
| borage | Borago | BORAG | Boraginaceae | Dicot |
| boreal bedstraw | Galium kamtschaticum | GAKA | Rubiaceae | Dicot |
| boreal bog sedge | Carex magellanica | CAMA12 | Cyperaceae | Monocot |
| boreal bog sedge | Carex magellanica ssp. irrigua | CAMAI2 | Cyperaceae | Monocot |
| boreal carnation | Dianthus repens | DIRE | Caryophyllaceae | Dicot |
| boreal catchfly | Silene soczaviana | SISO2 | Caryophyllaceae | Dicot |
| boreal draba | Draba borealis | DRBO | Brassicaceae | Dicot |
| boreal locoweed | Oxytropis borealis | OXBO | Fabaceae | Dicot |
| boreal locoweed | Oxytropis borealis var. borealis | OXBOB | Fabaceae | Dicot |
| boreal locoweed | Oxytropis borealis var. sulphurea | OXBOS | Fabaceae | Dicot |
| boreal phlox | Phlox sibirica ssp. borealis | PHSIB | Polemoniaceae | Dicot |
| boreal primrose | Primula anvilensis | PRAN4 | Primulaceae | Dicot |
| boreal sagebrush | Artemisia arctica | ARAR9 | Asteraceae | Dicot |
| boreal sagebrush | Artemisia arctica ssp. arctica | ARARA2 | Asteraceae | Dicot |
| boreal sagebrush | Artemisia arctica ssp. beringensis | ARARB | Asteraceae | Dicot |
| boreal sagebrush | Artemisia arctica ssp. comata | ARARC | Asteraceae | Dicot |
| boreal starwort | Stellaria borealis | STBO3 | Caryophyllaceae | Dicot |
| boreal starwort | Stellaria borealis ssp. borealis | STBOB | Caryophyllaceae | Dicot |
| boreal yarrow | Achillea millefolium var. borealis | ACMIB | Asteraceae | Dicot |
| Bostock"s minerslettuce | Montia bostockii | MOBO | Portulacaceae | Dicot |
| Bourgeau"s pepperweed | Lepidium ramosissimum var. bourgeauanum | LERAB2 | Brassicaceae | Dicot |
| box knotweed | Polygonum buxiforme | POBU2 | Polygonaceae | Dicot |
| brackenfern | Pteridium | PTERI | Dennstaedtiaceae | Fern |
| bract saxifrage | Saxifraga sibirica | SASI6 | Saxifragaceae | Dicot |
| brasenia | Brasenia | BRASE | Cabombaceae | Dicot |
| Braun"s hollyfern | Polystichum braunii | POBR4 | Dryopteridaceae | Fern |
| bride"s bonnet | Clintonia uniflora | CLUN2 | Liliaceae | Monocot |
| bride"s feathers | Aruncus dioicus | ARDI8 | Rosaceae | Dicot |
| bride"s feathers | Aruncus dioicus var. acuminatus | ARDIA | Rosaceae | Dicot |
| bride"s feathers | Aruncus dioicus var. vulgaris | ARDIV | Rosaceae | Dicot |
| brightblue speedwell | Veronica serpyllifolia ssp. humifusa | VESEH2 | Scrophulariaceae | Dicot |
| brightgreen spleenwort | Asplenium trichomanes-ramosum | ASTR10 | Aspleniaceae | Fern |
| bristlegrass | Setaria | SETAR | Poaceae | Monocot |
| bristleleaf sedge | Carex eburnea | CAEB2 | Cyperaceae | Monocot |
| bristlystalked sedge | Carex leptalea | CALE10 | Cyperaceae | Monocot |
| bristlystalked sedge | Carex leptalea ssp. leptalea | CALEL4 | Cyperaceae | Monocot |
| brittle bladderfern | Cystopteris fragilis | CYFR2 | Dryopteridaceae | Fern |
| brittlestem hempnettle | Galeopsis tetrahit | GATE2 | Lamiaceae | Dicot |
| broadleaf arnica | Arnica latifolia | ARLA8 | Asteraceae | Dicot |
| broadleaf cattail | Typha latifolia | TYLA | Typhaceae | Monocot |
| broadleaf knotweed | Polygonum minimum | POMI2 | Polygonaceae | Dicot |
| broadlipped twayblade | Listera convallarioides | LICO5 | Orchidaceae | Monocot |
| broadpetal gentian | Gentiana platypetala | GEPL | Gentianaceae | Dicot |
| broadsepal saxifrage | Saxifraga platysepala | SAPL3 | Saxifragaceae | Dicot |
| broadtooth lady"s mantle | Alchemilla subcrenata | ALSU2 | Rosaceae | Dicot |
| brome | Bromus | BROMU | Poaceae | Monocot |
| brookfoam | Boykinia | BOYKI | Saxifragaceae | Dicot |
| broom | Cytisus | CYTIS | Fabaceae | Dicot |
| broomrape | Orobanche | OROBA | Orobanchaceae | Dicot |
| brown bentgrass | Agrostis vinealis | AGVI9 | Poaceae | Monocot |
| brown bentgrass | Agrostis vinealis ssp. vinealis | AGVIV3 | Poaceae | Monocot |
| brown mustard | Brassica juncea | BRJU | Brassicaceae | Dicot |
| brownish sedge | Carex brunnescens | CABR15 | Cyperaceae | Monocot |
| brownish sedge | Carex brunnescens ssp. brunnescens | CABRB3 | Cyperaceae | Monocot |
| buckbean | Menyanthes | MENYA | Menyanthaceae | Dicot |
| buckbean | Menyanthes trifoliata | METR3 | Menyanthaceae | Dicot |
| buckwheat | Fagopyrum | FAGOP2 | Polygonaceae | Dicot |
| buckwheat | Fagopyrum esculentum | FAES2 | Polygonaceae | Dicot |
| buckwheat | Eriogonum | ERIOG | Polygonaceae | Dicot |
| buff fleabane | Erigeron ochroleucus | EROC | Asteraceae | Dicot |
| buffaloberry | Shepherdia | SHEPH | Elaeagnaceae | Dicot |
| buffalobur nightshade | Solanum rostratum | SORO | Solanaceae | Dicot |
| bugseed | Corispermum | CORIS | Chenopodiaceae | Dicot |
| bulblet-bearing water hemlock | Cicuta bulbifera | CIBU | Apiaceae | Dicot |
| bull thistle | Cirsium vulgare | CIVU | Asteraceae | Dicot |
| bulrush | Blysmus | BLYSM3 | Cyperaceae | Monocot |
| bulrush | Isolepis | ISOLE | Cyperaceae | Monocot |
| bulrush | Schoenoplectus | SCHOE6 | Cyperaceae | Monocot |
| bulrush | Scirpus | SCIRP | Cyperaceae | Monocot |
| bulrush | Trichophorum | TRICH22 | Cyperaceae | Monocot |
| bunchberry dogwood | Cornus canadensis | COCA13 | Cornaceae | Dicot |
| bupleurum | Bupleurum | BUPLE | Apiaceae | Dicot |
| bur-reed | Sparganium | SPARG | Sparganiaceae | Monocot |
| burclover | Medicago polymorpha | MEPO3 | Fabaceae | Dicot |
| burnet | Sanguisorba | SANGU2 | Rosaceae | Dicot |
| 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 |
| butterbur | Petasites | PETAS | Asteraceae | Dicot |
| buttercup | Ranunculus | RANUN | Ranunculaceae | Dicot |
| butterwort | Pinguicula | PINGU | Lentibulariaceae | Dicot |
| Buxbaum"s sedge | Carex buxbaumii | CABU6 | Cyperaceae | Monocot |
| Calder"s bladderpod | Lesquerella calderi | LECA18 | Brassicaceae | Dicot |
| Calder"s licorice-root | Ligusticum calderi | LICA15 | Apiaceae | Dicot |
| Calder"s rockcress | Arabis calderi | ARCA48 | Brassicaceae | Dicot |
| California brome | Bromus carinatus | BRCA5 | Poaceae | Monocot |
| California butterwort | Pinguicula macroceras | PIMA7 | Lentibulariaceae | Dicot |
| California butterwort | Pinguicula macroceras var. macroceras | PIMAM2 | Lentibulariaceae | Dicot |
| California butterwort | Pinguicula macroceras var. microceras | PIMAM3 | Lentibulariaceae | Dicot |
| California gilia | Gilia achilleifolia | GIAC2 | Polemoniaceae | Dicot |
| California gilia | Gilia achilleifolia ssp. multicaulis | GIACM | Polemoniaceae | Dicot |
| California nettle | Urtica dioica ssp. gracilis | URDIG | Urticaceae | Dicot |
| California poppy | Eschscholzia | ESCHS | Papaveraceae | Dicot |
| California poppy | Eschscholzia californica | ESCA2 | Papaveraceae | Dicot |
| callalily | Calla | CALLA | Araceae | Monocot |
| calthaleaf avens | Geum calthifolium | GECA6 | Rosaceae | Dicot |
| campion | Lychnis | LYCHN | Caryophyllaceae | Dicot |
| Canada bluegrass | Poa compressa | POCO | Poaceae | Monocot |
| Canada goldenrod | Solidago canadensis | SOCA6 | Asteraceae | Dicot |
| Canada goldenrod | Solidago canadensis var. lepida | SOCAL | Asteraceae | Dicot |
| Canada thistle | Cirsium arvense | CIAR4 | Asteraceae | Dicot |
| Canadian arctic draba | Draba oblongata | DROB2 | Brassicaceae | Dicot |
| Canadian burnet | Sanguisorba canadensis | SACA14 | Rosaceae | Dicot |
| Canadian gooseberry | Ribes oxyacanthoides | RIOX | Grossulariaceae | Dicot |
| Canadian gooseberry | Ribes oxyacanthoides ssp. oxyacanthoides | RIOXO | Grossulariaceae | 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 sandspurry | Spergularia canadensis | SPCA3 | Caryophyllaceae | Dicot |
| Canadian sandspurry | Spergularia canadensis var. canadensis | SPCAC | Caryophyllaceae | Dicot |
| Canadian waterweed | Elodea canadensis | ELCA7 | Hydrocharitaceae | Monocot |
| Canadian white violet | Viola canadensis | VICA4 | Violaceae | Dicot |
| canarygrass | Phalaris | PHALA2 | Poaceae | Monocot |
| candle larkspur | Delphinium elatum | DEEL2 | Ranunculaceae | Dicot |
| candytuft | Iberis | IBERI | Brassicaceae | Dicot |
| candytuft | Smelowskia | SMELO | Brassicaceae | Dicot |
| Cape Thompson draba | Draba chamissonis | DRCH | Brassicaceae | Dicot |
| capitate lousewort | Pedicularis capitata | PECA2 | Scrophulariaceae | Dicot |
| capitate sedge | Carex capitata | CACA13 | Cyperaceae | Monocot |
| capitate sedge | Carex capitata ssp. capitata | CACAC7 | Cyperaceae | Monocot |
| capsella | Capsella | CAPSE | Brassicaceae | Dicot |
| captiate valerian | Valeriana capitata | VACA3 | Valerianaceae | Dicot |
| cat"s ear | Hypochaeris | HYPOC | Asteraceae | Dicot |
| catchfly | Silene | SILEN | Caryophyllaceae | Dicot |
| catnip | Nepeta | NEPET | Lamiaceae | Dicot |
| catnip | Nepeta cataria | NECA2 | Lamiaceae | Dicot |
| cattail | Typha | TYPHA | Typhaceae | Monocot |
| cereal rye | Secale cereale | SECE | Poaceae | Monocot |
| chairmaker"s bulrush | Schoenoplectus americanus | SCAM6 | Cyperaceae | Monocot |
| Chamisso arnica | Arnica chamissonis | ARCH3 | Asteraceae | Dicot |
| Chamisso arnica | Arnica chamissonis ssp. chamissonis | ARCHC | Asteraceae | Dicot |
| Chamisso arnica | Arnica chamissonis ssp. chamissonis var. chamissonis | ARCHC2 | Asteraceae | Dicot |
| chamisso sedge | Carex pachystachya | CAPA14 | Cyperaceae | Monocot |
| Chamisso"s cottongrass | Eriophorum chamissonis | ERCH7 | Cyperaceae | Monocot |
| Chamisso"s larkspur | Delphinium chamissonis | DECH | Ranunculaceae | Dicot |
| Chamisso"s lousewort | Pedicularis chamissonis | PECH | Scrophulariaceae | Dicot |
| Chamisso"s willow | Salix chamissonis | SACH | Salicaceae | Dicot |
| chamomile | Anthemis | ANTHE | Asteraceae | Dicot |
| charlock mustard | Sinapis arvensis | SIAR4 | Brassicaceae | Dicot |
| cheatgrass | Bromus tectorum | BRTE | Poaceae | Monocot |
| checkerbloom | Sidalcea | SIDAL | Malvaceae | 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 |
| chestnut rush | Juncus castaneus ssp. leucochlamys | JUCAL | Juncaceae | Monocot |
| Chewing"s fescue | Festuca rubra ssp. fallax | FERUF3 | Poaceae | Monocot |
| chickpea milkvetch | Astragalus cicer | ASCI4 | Fabaceae | Dicot |
| Chilean rush | Juncus falcatus ssp. sitchensis | JUFAS2 | Juncaceae | Monocot |
| Chimissso"s orchid | Platanthera chorisiana | PLCH3 | Orchidaceae | Monocot |
| chokecherry | Prunus virginiana | PRVI | Rosaceae | Dicot |
| chukchi primrose | Primula tschuktschorum | PRTS | Primulaceae | Dicot |
| Chukotka locoweed | Oxytropis czukotica | OXCZ | Fabaceae | Dicot |
| ciliate saxifrage | Saxifraga eschscholtzii | SAES | Saxifragaceae | Dicot |
| cinquefoil | Potentilla | POTEN | Rosaceae | Dicot |
| circumpolar reedgrass | Calamagrostis deschampsioides | CADE3 | Poaceae | Monocot |
| circumpolar sedge | Carex adelostoma | CAAD | Cyperaceae | Monocot |
| circumpolar starwort | Stellaria ruscifolia | STRU | Caryophyllaceae | Dicot |
| circumpolar starwort | Stellaria ruscifolia ssp. aleutica | STRUA | Caryophyllaceae | Dicot |
| circumpolar starwort | Stellaria ruscifolia ssp. ruscifolia | STRUR | Caryophyllaceae | Dicot |
| clasping arnica | Arnica amplexicaulis | ARAM2 | Asteraceae | Dicot |
| clasping pepperweed | Lepidium perfoliatum | LEPE2 | Brassicaceae | Dicot |
| claspingleaf pondweed | Potamogeton perfoliatus | POPE7 | Potamogetonaceae | Monocot |
| claspleaf twistedstalk | Streptopus amplexifolius | STAM2 | Liliaceae | Monocot |
| claspleaf twistedstalk | Streptopus amplexifolius var. amplexifolius | STAMA2 | Liliaceae | Monocot |
| claspleaf twistedstalk | Streptopus amplexifolius var. papillatus | STAMP | Liliaceae | Monocot |
| clavate bentgrass | Agrostis clavata | AGCL | Poaceae | Monocot |
| cleftleaf ragwort | Packera moresbiensis | PAMO18 | Asteraceae | Dicot |
| cliff dwarf-primrose | Douglasia laevigata | DOLA | Primulaceae | Dicot |
| cliff dwarf-primrose | Douglasia laevigata var. ciliolata | DOLAC | Primulaceae | Dicot |
| cliff fern | Woodsia | WOODS | Dryopteridaceae | Fern |
| clinopodium | Clinopodium | CLINO | Lamiaceae | Dicot |
| closedhead sedge | Carex norvegica ssp. inferalpina | CANOI | Cyperaceae | Monocot |
| cloudberry | Rubus chamaemorus | RUCH | Rosaceae | Dicot |
| clover | Trifolium | TRIFO | Fabaceae | Dicot |
| club spikemoss | Selaginella selaginoides | SESE | Selaginellaceae | Lycopod |
| clubmoss | Lycopodiella | LYCOP6 | Lycopodiaceae | Lycopod |
| clubmoss | Lycopodium | LYCOP2 | Lycopodiaceae | Lycopod |
| clubmoss | Huperzia | HUPER | Lycopodiaceae | Lycopod |
| clubmoss mountain heather | Cassiope lycopodioides | CALY4 | Ericaceae | Dicot |
| clubmoss mountain heather | Cassiope lycopodioides var. cristapilosa | CALYC6 | Ericaceae | Dicot |
| clubmoss mountain heather | Cassiope lycopodioides var. lycopodioides | CALYL2 | Ericaceae | Dicot |
| clustered broomrape | Orobanche fasciculata | ORFA | Orobanchaceae | Dicot |
| clustered field sedge | Carex praegracilis | CAPR5 | Cyperaceae | Monocot |
| coast tarweed | Madia sativa | MASA | Asteraceae | Dicot |
| coastal hedgenettle | Stachys chamissonis | STCH | Lamiaceae | Dicot |
| coastal hedgenettle | Stachys chamissonis var. cooleyae | STCHC3 | Lamiaceae | Dicot |
| coastal red Indian paintbrush | Castilleja hyetophila | CAHY5 | Scrophulariaceae | Dicot |
| coastal sand sedge | Carex incurviformis | CAIN8 | Cyperaceae | Monocot |
| coastal sand sedge | Carex incurviformis var. incurviformis | CAINI2 | Cyperaceae | Monocot |
| Cody"s rockcress | Arabis codyi | ARCO39 | Brassicaceae | Dicot |
| coiled sedge | Carex circinata | CACI5 | Cyperaceae | Monocot |
| Collins" rockcress | Arabis holboellii var. collinsii | ARHOC | Brassicaceae | Dicot |
| colonial bentgrass | Agrostis capillaris | AGCA5 | Poaceae | Monocot |
| columbine | Aquilegia | AQUIL | Ranunculaceae | Dicot |
| Colville wildrye | ×Elyleymus colvillensis | ELCO8 | Poaceae | Monocot |
| comarum | Comarum | COMAR3 | Rosaceae | Dicot |
| comfrey | Symphytum | SYMPH2 | Boraginaceae | Dicot |
| common alplily | Lloydia serotina | LLSE | Liliaceae | Monocot |
| common alplily | Lloydia serotina var. serotina | LLSES2 | Liliaceae | Monocot |
| common barley | Hordeum vulgare | HOVU | Poaceae | Monocot |
| common bladderwort | Utricularia macrorhiza | UTMA | Lentibulariaceae | Dicot |
| common borage | Borago officinalis | BOOF | Boraginaceae | Dicot |
| common brassbuttons | Cotula coronopifolia | COCO7 | Asteraceae | Dicot |
| common butterwort | Pinguicula vulgaris | PIVU | Lentibulariaceae | Dicot |
| common chickweed | Stellaria media | STME2 | Caryophyllaceae | Dicot |
| common chickweed | Stellaria media ssp. media | STMEM | Caryophyllaceae | Dicot |
| common corncockle | Agrostemma githago | AGGI | Caryophyllaceae | Dicot |
| common cowparsnip | Heracleum maximum | HEMA80 | Apiaceae | Dicot |
| common dandelion | Taraxacum officinale | TAOF | Asteraceae | Dicot |
| common dandelion | Taraxacum officinale ssp. ceratophorum | TAOFC | Asteraceae | Dicot |
| common dandelion | Taraxacum officinale ssp. officinale | TAOFO | Asteraceae | Dicot |
| common dogmustard | Erucastrum gallicum | ERGA | Brassicaceae | Dicot |
| common duckweed | Lemna minor | LEMI3 | Lemnaceae | Monocot |
| common eyebright | Euphrasia nemorosa | EUNE3 | Scrophulariaceae | Dicot |
| common fiddleneck | Amsinckia menziesii var. intermedia | AMMEI2 | Boraginaceae | Dicot |
| common juniper | Juniperus communis | JUCO6 | Cupressaceae | Gymnosperm |
| common juniper | Juniperus communis var. charlottensis | JUCOC4 | Cupressaceae | Gymnosperm |
| common juniper | Juniperus communis var. depressa | JUCOD | Cupressaceae | Gymnosperm |
| common ladyfern | Athyrium filix-femina | ATFI | Dryopteridaceae | Fern |
| common mallow | Malva neglecta | MANE | Malvaceae | Dicot |
| common mare"s-tail | Hippuris vulgaris | HIVU2 | Hippuridaceae | Dicot |
| common moonwort | Botrychium lunaria | BOLU | Ophioglossaceae | Fern |
| common mouse-ear chickweed | Cerastium fontanum | CEFO2 | Caryophyllaceae | Dicot |
| common mullein | Verbascum thapsus | VETH | Scrophulariaceae | Dicot |
| common nipplewort | Lapsana communis | LACO3 | Asteraceae | Dicot |
| common oat | Avena sativa | AVSA | Poaceae | Monocot |
| common pepperweed | Lepidium densiflorum | LEDE | Brassicaceae | Dicot |
| common plantain | Plantago major | PLMA2 | Plantaginaceae | Dicot |
| common rivergrass | Scolochloa festucacea | SCFE | Poaceae | Monocot |
| common rush | Juncus effusus | JUEF | Juncaceae | Monocot |
| common rush | Juncus effusus var. effusus | JUEFE2 | Juncaceae | Monocot |
| common selfheal | Prunella vulgaris | PRVU | Lamiaceae | Dicot |
| common sheep sorrel | Rumex acetosella | RUAC3 | Polygonaceae | Dicot |
| common snowberry | Symphoricarpos albus | SYAL | Caprifoliaceae | Dicot |
| common snowberry | Symphoricarpos albus var. albus | SYALA | Caprifoliaceae | Dicot |
| common snowberry | Symphoricarpos albus var. laevigatus | SYALL | Caprifoliaceae | Dicot |
| common sowthistle | Sonchus oleraceus | SOOL | Asteraceae | Dicot |
| common spikerush | Eleocharis palustris | ELPA3 | Cyperaceae | Monocot |
| common spikerush | Eleocharis palustris var. palustris | ELPAP | Cyperaceae | Monocot |
| common sunflower | Helianthus annuus | HEAN3 | Asteraceae | Dicot |
| common tansy | Tanacetum vulgare | TAVU | Asteraceae | Dicot |
| common threesquare | Schoenoplectus pungens | SCPU10 | Cyperaceae | Monocot |
| common threesquare | Schoenoplectus pungens var. pungens | SCPUP5 | Cyperaceae | Monocot |
| common velvetgrass | Holcus lanatus | HOLA | Poaceae | Monocot |
| common viper"s bugloss | Echium vulgare | ECVU | Boraginaceae | Dicot |
| common wheat | Triticum aestivum | TRAE | Poaceae | Monocot |
| common woodrush | Luzula multiflora | LUMU2 | Juncaceae | Monocot |
| common woodrush | Luzula multiflora ssp. frigida | LUMUF | Juncaceae | Monocot |
| common woodrush | Luzula multiflora ssp. multiflora | LUMUM | Juncaceae | Monocot |
| common woodrush | Luzula multiflora ssp. multiflora var. kobayasii | LUMUK2 | Juncaceae | Monocot |
| common wormwood | Artemisia vulgaris | ARVU | Asteraceae | Dicot |
| common yarrow | Achillea millefolium var. nigrescens | ACMIN | Asteraceae | Dicot |
| common yarrow | Achillea millefolium | ACMI2 | Asteraceae | Dicot |
| common yarrow | Achillea millefolium var. alpicola | ACMIA | Asteraceae | Dicot |
| coneflower | Rudbeckia | RUDBE | Asteraceae | Dicot |
| Cooley"s false buttercup | Kumlienia cooleyae | KUCO | Ranunculaceae | Dicot |
| coon"s tail | Ceratophyllum demersum | CEDE4 | Ceratophyllaceae | Dicot |
| copperbush | Elliottia pyroliflora | ELPY | Ericaceae | Dicot |
| coralroot | Corallorhiza | CORAL5 | Orchidaceae | Monocot |
| corn poppy | Papaver rhoeas | PARH2 | Papaveraceae | Dicot |
| corn speedwell | Veronica arvensis | VEAR | Scrophulariaceae | Dicot |
| corn spurry | Spergula arvensis | SPAR | Caryophyllaceae | Dicot |
| corncockle | Agrostemma | AGROS | Caryophyllaceae | Dicot |
| corndaisy | Glebionis segetum | GLSE5 | Asteraceae | Dicot |
| cosmopolitan bulrush | Schoenoplectus maritimus | SCMA8 | Cyperaceae | Monocot |
| cottongrass | Eriophorum ×beringianum | ERBE4 | Cyperaceae | Monocot |
| cottongrass | Eriophorum ×churchillianum | ERCH11 | Cyperaceae | Monocot |
| cottongrass | Eriophorum ×porsildii | ERPO7 | Cyperaceae | Monocot |
| cottongrass | Eriophorum ×pylaieanum | ERPY3 | Cyperaceae | Monocot |
| cottongrass | Eriophorum ×rousseauanum | ERRO4 | Cyperaceae | Monocot |
| cottongrass | Eriophorum | ERIOP | Cyperaceae | Monocot |
| cottonwood | Populus | POPUL | Salicaceae | Dicot |
| Coville"s rush | Juncus covillei | JUCO5 | Juncaceae | Monocot |
| Coville"s rush | Juncus covillei var. obtusatus | JUCOO | Juncaceae | Monocot |
| cow soapwort | Vaccaria hispanica | VAHI2 | Caryophyllaceae | Dicot |
| cowparsnip | Heracleum | HERAC | Apiaceae | Dicot |
| cows clover | Trifolium wormskioldii | TRWO | Fabaceae | Dicot |
| cracked lichen | Acarospora | ACARO2 | Acarosporaceae | Lichen |
| cranberry | Vaccinium macrocarpon | VAMA | Ericaceae | Dicot |
| Crawford"s sedge | Carex crawfordii | CACR4 | Cyperaceae | Monocot |
| cream cinquefoil | Potentilla arguta ssp. convallaria | POARC | Rosaceae | Dicot |
| cream pea | Lathyrus ochroleucus | LAOC2 | Fabaceae | Dicot |
| creamflower rockcress | Arabis hirsuta var. pycnocarpa | ARHIP | Brassicaceae | Dicot |
| creeping alkaligrass | Puccinellia phryganodes ssp. phryganodes | PUPHP | Poaceae | Monocot |
| creeping alkaligrass | Puccinellia phryganodes | PUPH | Poaceae | Monocot |
| creeping bentgrass | Agrostis stolonifera | AGST2 | Poaceae | Monocot |
| creeping buttercup | Ranunculus repens | RARE3 | Ranunculaceae | Dicot |
| creeping juniper | Juniperus horizontalis | JUHO2 | Cupressaceae | Gymnosperm |
| creeping sedge | Carex chordorrhiza | CACH5 | Cyperaceae | Monocot |
| creeping sibbaldia | Sibbaldia procumbens | SIPR | Rosaceae | Dicot |
| creeping yellowcress | Rorippa sylvestris | ROSY | Brassicaceae | Dicot |
| creepingroot violet | Viola canadensis var. rugulosa | VICAR | Violaceae | Dicot |
| crenulate mountain-avens | Dryas integrifolia ssp. crenulata | DRINC2 | Rosaceae | Dicot |
| crested wheatgrass | Agropyron cristatum | AGCR | Poaceae | Monocot |
| crested wheatgrass | Agropyron cristatum ssp. pectinatum | AGCRP8 | Poaceae | Monocot |
| crowberry | Empetrum | EMPET | Empetraceae | Dicot |
| cryptantha | Cryptantha | CRYPT | Boraginaceae | Dicot |
| cuckoo flower | Cardamine pratensis | CAPR3 | Brassicaceae | Dicot |
| cuckoo flower | Cardamine pratensis var. angustifolia | CAPRA | Brassicaceae | Dicot |
| cuckoo flower | Cardamine pratensis var. pratensis | CAPRP | Brassicaceae | Dicot |
| cudweed | Gnaphalium | GNAPH | Asteraceae | Dicot |
| cultivated radish | Raphanus sativus | RASA2 | Brassicaceae | Dicot |
| cup clover | Trifolium cyathiferum | TRCY | Fabaceae | Dicot |
| cup lichen | Cladonia | CLADO3 | Cladoniaceae | Lichen |
| curled starwort | Stellaria crispa | STCR2 | Caryophyllaceae | Dicot |
| curly dock | Rumex crispus | RUCR | Polygonaceae | Dicot |
| curly dock | Rumex crispus ssp. crispus | RUCRC | Polygonaceae | Dicot |
| curly sedge | Carex rupestris var. rupestris | CARUR | Cyperaceae | Monocot |
| curly sedge | Carex rupestris | CARU3 | Cyperaceae | Monocot |
| curlytop knotweed | Polygonum lapathifolium | POLA4 | Polygonaceae | Dicot |
| currant | Ribes | RIBES | Grossulariaceae | Dicot |
| cursed buttercup | Ranunculus sceleratus | RASC3 | Ranunculaceae | Dicot |
| cursed buttercup | Ranunculus sceleratus var. multifidus | RASCM | Ranunculaceae | Dicot |
| curved sedge | Carex maritima | CAMA14 | Cyperaceae | Monocot |
| curved woodrush | Luzula arcuata | LUAR5 | Juncaceae | Monocot |
| curved woodrush | Luzula arcuata ssp. arcuata | LUARA17 | Juncaceae | Monocot |
| curvepod yellowcress | Rorippa curvisiliqua | ROCU | Brassicaceae | Dicot |
| curvepod yellowcress | Rorippa curvisiliqua var. curvisiliqua | ROCUC2 | Brassicaceae | Dicot |
| curvepod yellowcress | Rorippa curvisiliqua var. procumbens | ROCUP | Brassicaceae | Dicot |
| cushion draba | Draba breweri | DRBR2 | Brassicaceae | Dicot |
| cushion draba | Draba breweri var. cana | DRBRC | Brassicaceae | Dicot |
| cutleaf anemone | Pulsatilla patens ssp. multifida | PUPAM | Ranunculaceae | Dicot |
| cutleaf daisy | Erigeron compositus | ERCO4 | Asteraceae | Dicot |
| Dahurian willowherb | Epilobium davuricum | EPDA | Onagraceae | Dicot |
| daisy | Chrysanthemum | CHRYS2 | Asteraceae | Dicot |
| daisy | Leucanthemum | LEUCA4 | Asteraceae | Dicot |
| dames rocket | Hesperis matronalis | HEMA3 | Brassicaceae | Dicot |
| dandelion | Taraxacum | TARAX | Asteraceae | Dicot |
| Dane"s blood | Campanula glomerata | CAGL2 | Campanulaceae | Dicot |
| Dane"s dwarf gentian | Gentianella tenella | GETE4 | Gentianaceae | Dicot |
| Dane"s dwarf gentian | Gentianella tenella ssp. tenella | GETET | Gentianaceae | Dicot |
| Danish scurvygrass | Cochlearia groenlandica | COGR6 | Brassicaceae | Dicot |
| daphne | Daphne | DAPHN2 | Thymelaeaceae | Dicot |
| darkbrown sedge | Carex atrofusca | CAAT7 | Cyperaceae | Monocot |
| darkbrown sedge | Carex atrofusca var. atrofusca | CAATA3 | Cyperaceae | Monocot |
| darkbrown sedge | Carex atrofusca var. major | CAATM | Cyperaceae | Monocot |
| darkthroat shootingstar | Dodecatheon pulchellum | DOPU | Primulaceae | Dicot |
| darkthroat shootingstar | Dodecatheon pulchellum ssp. macrocarpum | DOPUM2 | Primulaceae | Dicot |
| darkthroat shootingstar | Dodecatheon pulchellum ssp. pulchellum | DOPUP2 | Primulaceae | Dicot |
| Darnel ryegrass | Lolium temulentum | LOTE2 | Poaceae | Monocot |
| Darnel ryegrass | Lolium temulentum ssp. temulentum | LOTET | Poaceae | Monocot |
| davy mannagrass | Glyceria leptostachya | GLLE2 | Poaceae | Monocot |
| Dawson wallflower | Erysimum angustatum | ERAN14 | Brassicaceae | Dicot |
| deadnettle | Lamium | LAMIU | Lamiaceae | Dicot |
| deathcamas | Zigadenus | ZIGAD | Liliaceae | Monocot |
| deer fern | Blechnum spicant | BLSP | Blechnaceae | Fern |
| deercabbage | Nephrophyllidium | NEPHR4 | Menyanthaceae | Dicot |
| deercabbage | Nephrophyllidium crista-galli | NECR2 | Menyanthaceae | Dicot |
| denseleaf draba | Draba densifolia | DRDE | Brassicaceae | Dicot |
| denseleaf pussytoes | Antennaria densifolia | ANDE9 | Asteraceae | Dicot |
| desert goosefoot | Chenopodium pratericola | CHPR5 | Chenopodiaceae | Dicot |
| desert ragwort | Senecio eremophilus | SEER2 | Asteraceae | Dicot |
| desert ragwort | Senecio eremophilus var. eremophilus | SEERE | Asteraceae | Dicot |
| devil"s beggartick | Bidens frondosa | BIFR | Asteraceae | Dicot |
| devilsclub | Oplopanax horridus | OPHO | Araliaceae | Dicot |
| Dewey sedge | Carex deweyana | CADE9 | Cyperaceae | Monocot |
| Dewey sedge | Carex deweyana var. deweyana | CADED4 | Cyperaceae | Monocot |
| diamondleaf willow | Salix planifolia | SAPL2 | Salicaceae | Dicot |
| diamondleaf willow | Salix planifolia ssp. planifolia | SAPLP4 | Salicaceae | Dicot |
| diapensia | Diapensia | DIAPE | Diapensiaceae | Dicot |
| disc mayweed | Matricaria discoidea | MADI6 | Asteraceae | Dicot |
| dock | Rumex | RUMEX | Polygonaceae | Dicot |
| dock | Rumex lapponicus | RULA9 | Polygonaceae | Dicot |
| dogbane | Apocynum | APOCY | Apocynaceae | Dicot |
| dogmustard | Erucastrum | ERUCA2 | Brassicaceae | Dicot |
| dogwood | Cornus ×intermedia | COIN19 | Cornaceae | Dicot |
| dogwood | Cornus | CORNU | Cornaceae | Dicot |
| dooryard dock | Rumex longifolius | RULO2 | Polygonaceae | Dicot |
| Dortmann"s cardinalflower | Lobelia dortmanna | LODO | Campanulaceae | Dicot |
| Douglas aster | Symphyotrichum subspicatum | SYSU4 | Asteraceae | Dicot |
| Douglas aster | Symphyotrichum subspicatum var. subspicatum | SYSUS | Asteraceae | Dicot |
| Douglas maple | Acer glabrum var. douglasii | ACGLD4 | Aceraceae | Dicot |
| downy beach pea | Lathyrus japonicus var. pubescens | LAJAP3 | Fabaceae | Dicot |
| downy ryegrass | Leymus innovatus | LEIN6 | Poaceae | Monocot |
| draba | Draba | DRABA | Brassicaceae | Dicot |
| dragonhead | Dracocephalum | DRACO | Lamiaceae | Dicot |
| drooping woodreed | Cinna latifolia | CILA2 | Poaceae | Monocot |
| Drummond"s anemone | Anemone drummondii | ANDR | Ranunculaceae | Dicot |
| Drummond"s bluebells | Mertensia drummondii | MEDR | Boraginaceae | Dicot |
| Drummond"s cinquefoil | Potentilla drummondii | PODR | Rosaceae | Dicot |
| Drummond"s cinquefoil | Potentilla drummondii ssp. drummondii | PODRD | Rosaceae | Dicot |
| Drummond"s mountain-avens | Dryas drummondii | DRDR | Rosaceae | Dicot |
| Drummond"s mountain-avens | Dryas drummondii var. drummondii | DRDRD | Rosaceae | Dicot |
| Drummond"s rockcress | Arabis drummondii | ARDR | Brassicaceae | Dicot |
| Drummond"s rush | Juncus drummondii | JUDR | Juncaceae | Monocot |
| Drummond"s sedge | Carex rupestris var. drummondiana | CARUD | Cyperaceae | Monocot |
| dryspike sedge | Carex siccata | CASI12 | Cyperaceae | Monocot |
| ducksbill lousewort | Pedicularis ornithorhyncha | PEOR | Scrophulariaceae | Dicot |
| duckweed | Lemna | LEMNA | Lemnaceae | Monocot |
| dulichium | Dulichium | DULIC | Cyperaceae | Monocot |
| dune willow | Salix hookeriana | SAHO | Salicaceae | Dicot |
| dunhead sedge | Carex phaeocephala | CAPH2 | Cyperaceae | Monocot |
| dupoa | ×Dupoa | DUPOA | Poaceae | Monocot |
| dwarf alkaligrass | Puccinellia pumila | PUPU3 | Poaceae | Monocot |
| dwarf alpine hawksbeard | Crepis nana | CRNA | Asteraceae | Dicot |
| dwarf alpine hawksbeard | Crepis nana ssp. nana | CRNAN | Asteraceae | Dicot |
| dwarf arctic ragwort | Packera cymbalaria | PACY8 | Asteraceae | Dicot |
| dwarf bilberry | Vaccinium cespitosum | VACE | Ericaceae | Dicot |
| dwarf birch | Betula nana | BENA | Betulaceae | Dicot |
| dwarf birch | Betula nana ssp. exilis | BENAE | Betulaceae | Dicot |
| dwarf fireweed | Chamerion latifolium | CHLA13 | Onagraceae | Dicot |
| dwarf gentian | Gentianella | GENTI2 | Gentianaceae | Dicot |
| dwarf goldenrod | Solidago simplex ssp. simplex var. nana | SOSIN | Asteraceae | Dicot |
| dwarf marsh violet | Viola epipsila | VIEP | Violaceae | Dicot |
| dwarf marsh violet | Viola epipsila ssp. repens | VIEPR | Violaceae | Dicot |
| dwarf mistletoe | Arceuthobium | ARCEU | Viscaceae | Dicot |
| dwarf nettle | Urtica urens | URUR | Urticaceae | Dicot |
| dwarf raspberry | Rubus arcticus ssp. acaulis | RUARA2 | Rosaceae | Dicot |
| dwarf red blackberry | Rubus pubescens | RUPU | Rosaceae | Dicot |
| dwarf scouringrush | Equisetum scirpoides | EQSC | Equisetaceae | Horsetail |
| dwarf-primrose | Douglasia | DOUGL | Primulaceae | Dicot |
| dysphania | Dysphania | DYSPH | Chenopodiaceae | Dicot |
| eared dwarf gentian | Gentianella auriculata | GEAU5 | Gentianaceae | Dicot |
| eared fescue | Festuca auriculata | FEAU | Poaceae | Monocot |
| eared Indian plantain | Parasenecio auriculatus | PAAU14 | Asteraceae | Dicot |
| eastern pasqueflower | Pulsatilla patens | PUPA5 | Ranunculaceae | Dicot |
| Eastwood"s bluebells | Mertensia paniculata var. eastwoodiae | MEPAE | Boraginaceae | Dicot |
| Eastwood"s buttercup | Ranunculus eastwoodianus | RAEA | Ranunculaceae | Dicot |
| edible thistle | Cirsium edule | CIED | Asteraceae | Dicot |
| Edwards" mock wallflower | Eutrema edwardsii | EUED | Brassicaceae | Dicot |
| Edwards" starwort | Stellaria ciliatosepala | STCI4 | Caryophyllaceae | Dicot |
| eelgrass | Zostera | ZOSTE | Zosteraceae | Monocot |
| eightpetal mountain-avens | Dryas octopetala | DROC | Rosaceae | Dicot |
| eightpetal mountain-avens | Dryas octopetala ssp. octopetala | DROCO | Rosaceae | Dicot |
| eightpetal mountain-avens | Dryas octopetala ssp. octopetala var. octopetala | DROCO2 | Rosaceae | Dicot |
| eightpetal mountain-avens | Dryas octopetala ssp. punctata | DROCP8 | Rosaceae | Dicot |
| elderberry | Sambucus | SAMBU | Caprifoliaceae | Dicot |
| elegant cinquefoil | Potentilla concinna | POCO13 | Rosaceae | Dicot |
| elegant cinquefoil | Potentilla concinna var. concinna | POCOC3 | Rosaceae | Dicot |
| elegant groundsel | Packera indecora | PAIN11 | Asteraceae | Dicot |
| elegant hawksbeard | Crepis elegans | CREL | Asteraceae | Dicot |
| elegant Indian paintbrush | Castilleja elegans | CAEL6 | Scrophulariaceae | Dicot |
| elegant milkvetch | Astragalus eucosmus | ASEU2 | Fabaceae | Dicot |
| elegant stitchwort | Minuartia elegans | MIEL2 | Caryophyllaceae | Dicot |
| elephanthead lousewort | Pedicularis groenlandica | PEGR2 | Scrophulariaceae | Dicot |
| elk sedge | Carex garberi | CAGA3 | Cyperaceae | Monocot |
| elk thistle | Cirsium foliosum | CIFO | Asteraceae | Dicot |
| Ellesmereland whitlowgrass | Draba subcapitata | DRSU2 | Brassicaceae | Dicot |
| elliottia | Elliottia | ELLIO | Ericaceae | Dicot |
| Enander"s sedge | Carex lenticularis var. dolia | CALED | Cyperaceae | Monocot |
| enchanter"s nightshade | Circaea | CIRCA | Onagraceae | Dicot |
| English sundew | Drosera anglica | DRAN | Droseraceae | Dicot |
| entireleaf daisy | Hulteniella integrifolia | HUIN3 | Asteraceae | Dicot |
| entireleaf mountain-avens | Dryas integrifolia ssp. integrifolia | DRINI2 | Rosaceae | Dicot |
| entireleaf mountain-avens | Dryas integrifolia ssp. sylvatica | DRINS | Rosaceae | Dicot |
| entireleaf mountain-avens | Dryas integrifolia | DRIN4 | Rosaceae | Dicot |
| Eschscholtz"s buttercup | Ranunculus eschscholtzii | RAES | Ranunculaceae | Dicot |
| Eschscholtz"s buttercup | Ranunculus eschscholtzii var. eschscholtzii | RAESE2 | Ranunculaceae | Dicot |
| Eschscholtz"s hairy rockcress | Arabis eschscholtziana | ARES5 | Brassicaceae | Dicot |
| Eurasian Junegrass | Koeleria asiatica | KOAS | Poaceae | Monocot |
| Eurasian Junegrass | Koeleria asiatica ssp. atroviolacea | KOASA | Poaceae | Monocot |
| Eurasian watermilfoil | Myriophyllum spicatum | MYSP2 | Haloragaceae | Dicot |
| European bird cherry | Prunus padus | PRPA5 | Rosaceae | Dicot |
| European bur-reed | Sparganium emersum | SPEM2 | Sparganiaceae | Monocot |
| European mountain ash | Sorbus aucuparia | SOAU | Rosaceae | Dicot |
| European stickseed | Lappula squarrosa | LASQ | Boraginaceae | Dicot |
| European water plantain | Alisma plantago-aquatica | ALPL | Alismataceae | Monocot |
| eutrema | Eutrema | EUTRE | Brassicaceae | Dicot |
| evergreen violet | Viola sempervirens | VISE3 | Violaceae | Dicot |
| eyebright | Euphrasia | EUPHR | Scrophulariaceae | Dicot |
| Fairbanks annual Indian paintbrush | Castilleja annua | CAAN8 | Scrophulariaceae | Dicot |
| fairy slipper | Calypso | CALYP | Orchidaceae | Monocot |
| fairy slipper | Calypso bulbosa | CABU | Orchidaceae | Monocot |
| fairy slipper | Calypso bulbosa var. americana | CABUA | Orchidaceae | Monocot |
| fairy slipper | Calypso bulbosa var. occidentalis | CABUO | Orchidaceae | Monocot |
| falcate rush | Juncus falcatus | JUFA | Juncaceae | Monocot |
| fall dandelion | Leontodon autumnalis | LEAU2 | Asteraceae | Dicot |
| fall dandelion | Leontodon autumnalis ssp. autumnalis | LEAUA | Asteraceae | Dicot |
| false asphodel | Triantha | TRIAN2 | Liliaceae | Monocot |
| false bindweed | Calystegia | CALYS | Convolvulaceae | Dicot |
| false buttercup | Kumlienia | KUMLI | Ranunculaceae | Dicot |
| false candytuft | Smelowskia borealis | SMBO | Brassicaceae | Dicot |
| false flax | Camelina | CAMEL | Brassicaceae | Dicot |
| false hellebore | Veratrum | VERAT | Liliaceae | Monocot |
| false lily of the valley | Maianthemum dilatatum | MADI | Liliaceae | Monocot |
| false madwort | Berteroa | BERTE | Brassicaceae | Dicot |
| false mannagrass | Torreyochloa | TORRE2 | Poaceae | Monocot |
| false mayweed | Tripleurospermum maritimum | TRMA17 | Asteraceae | Dicot |
| false mayweed | Tripleurospermum maritimum ssp. phaeocephalum | TRMAP | Asteraceae | Dicot |
| false melic | Schizachne | SCHIZ | Poaceae | Monocot |
| false melic | Schizachne purpurascens | SCPU | Poaceae | Monocot |
| false mountain willow | Salix pseudomonticola | SAPS | Salicaceae | Dicot |
| false semaphoregrass | Pleuropogon sabinei | PLSA | Poaceae | Monocot |
| false snowparsley | Tilingia ajanensis | TIAJ | Apiaceae | Dicot |
| false spiraea | Sorbaria | SORBA | Rosaceae | Dicot |
| false spiraea | Sorbaria sorbifolia | SOSO2 | Rosaceae | Dicot |
| false toadflax | Geocaulon | GEOCA | Santalaceae | Dicot |
| false toadflax | Geocaulon lividum | GELI2 | Santalaceae | Dicot |
| Farwell"s watermilfoil | Myriophyllum farwellii | MYFA2 | Haloragaceae | Dicot |
| feathery false lily of the valley | Maianthemum racemosum | MARA7 | Liliaceae | Monocot |
| feathery false lily of the valley | Maianthemum racemosum ssp. amplexicaule | MARAA | Liliaceae | Monocot |
| feltleaf willow | Salix alaxensis | SAAL | Salicaceae | Dicot |
| feltleaf willow | Salix alaxensis var. alaxensis | SAALA | Salicaceae | Dicot |
| feltleaf willow | Salix alaxensis var. longistylis | SAALL | Salicaceae | Dicot |
| felwort | Swertia | SWERT | Gentianaceae | Dicot |
| felwort | Swertia perennis | SWPE | Gentianaceae | Dicot |
| Fernald"s yellowcress | Rorippa palustris ssp. fernaldiana | ROPAF2 | Brassicaceae | Dicot |
| fernleaf false candytuft | Smelowskia calycina var. integrifolia | SMCAI | Brassicaceae | Dicot |
| fernleaf false candytuft | Smelowskia media | SMME4 | Brassicaceae | Dicot |
| fernleaf goldthread | Coptis aspleniifolia | COAS | Ranunculaceae | Dicot |
| fescue | Festuca | FESTU | Poaceae | Monocot |
| fescue | Festuca edlundiae | FEED | Poaceae | Monocot |
| fescue | Schedonorus | SCHED2 | Poaceae | Monocot |
| fescue | Vulpia | VULPI | Poaceae | Monocot |
| fewflower draba | Draba pauciflora | DRPA11 | Brassicaceae | Dicot |
| fewflower fumewort | Corydalis pauciflora | COPA11 | Fumariaceae | Dicot |
| fewflower meadow-rue | Thalictrum sparsiflorum | THSP | Ranunculaceae | Dicot |
| fewflower sedge | Carex pauciflora | CAPA19 | Cyperaceae | Monocot |
| fewflower spikerush | Eleocharis quinqueflora | ELQU2 | Cyperaceae | Monocot |
| fewseed draba | Draba oligosperma | DROL | Brassicaceae | Dicot |
| fewseeded bog sedge | Carex microglochin | CAMI6 | Cyperaceae | Monocot |
| fiddleneck | Amsinckia | AMSIN | Boraginaceae | Dicot |
| field chickweed | Cerastium arvense | CEAR4 | Caryophyllaceae | Dicot |
| field chickweed | Cerastium arvense ssp. strictum | CEARS2 | Caryophyllaceae | Dicot |
| field clover | Trifolium campestre | TRCA5 | Fabaceae | Dicot |
| field horsetail | Equisetum arvense | EQAR | Equisetaceae | Horsetail |
| field locoweed | Oxytropis campestris var. varians | OXCAV | Fabaceae | Dicot |
| field locoweed | Oxytropis campestris | OXCA4 | Fabaceae | Dicot |
| field mustard | Brassica rapa | BRRA | Brassicaceae | Dicot |
| field mustard | Brassica rapa var. rapa | BRRAR | Brassicaceae | Dicot |
| field pennycress | Thlaspi arvense | THAR5 | Brassicaceae | Dicot |
| field sagewort | Artemisia campestris | ARCA12 | Asteraceae | Dicot |
| field sagewort | Artemisia campestris ssp. borealis | ARCAB2 | Asteraceae | Dicot |
| field sagewort | Artemisia campestris ssp. borealis var. borealis | ARCAB4 | Asteraceae | Dicot |
| field sagewort | Artemisia campestris ssp. borealis var. scouleriana | ARCAS5 | Asteraceae | Dicot |
| field sowthistle | Sonchus arvensis | SOAR2 | Asteraceae | Dicot |
| filmy fern | Hymenophyllum | HYMEN5 | Hymenophyllaceae | Fern |
| fineleaf pondweed | Stuckenia filiformis | STFI6 | Potamogetonaceae | Monocot |
| fineleaf pondweed | Stuckenia filiformis ssp. alpina | STFIA2 | Potamogetonaceae | Monocot |
| fineleaf pondweed | Stuckenia filiformis ssp. filiformis | STFIF | Potamogetonaceae | Monocot |
| fir | Abies | ABIES | Pinaceae | Gymnosperm |
| fir clubmoss | Huperzia selago | HUSE | Lycopodiaceae | Lycopod |
| fir clubmoss | Huperzia selago var. selago | HUSES | Lycopodiaceae | Lycopod |
| fireleaf leptarrhena | Leptarrhena pyrolifolia | LEPY | Saxifragaceae | Dicot |
| fireweed | Chamerion | CHAME2 | Onagraceae | Dicot |
| fireweed | Chamerion angustifolium | CHAN9 | Onagraceae | Dicot |
| fireweed | Chamerion angustifolium ssp. angustifolium | CHANA2 | Onagraceae | Dicot |
| fireweed | Chamerion angustifolium ssp. circumvagum | CHANC | Onagraceae | Dicot |
| firmleaf willow | Salix pseudomyrsinites | SAPS8 | Salicaceae | Dicot |
| Fischer"s chickweed | Cerastium fischerianum | CEFI | Caryophyllaceae | Dicot |
| Fisher"s tundragrass | Dupontia fisheri | DUFI | Poaceae | Monocot |
| fissidens moss | Fissidens | FISSI2 | Fissidentaceae | Moss |
| fissurewort | Halimolobos | HALIM | Brassicaceae | Dicot |
| fiveleaf cinquefoil | Potentilla nivea var. pentaphylla | PONIP | Rosaceae | Dicot |
| fivestamen miterwort | Mitella pentandra | MIPE | Saxifragaceae | Dicot |
| flat-top draba | Draba corymbosa | DRCO3 | Brassicaceae | Dicot |
| flatleaf bladderwort | Utricularia intermedia | UTIN2 | Lentibulariaceae | Dicot |
| flatspine stickseed | Lappula occidentalis | LAOC3 | Boraginaceae | Dicot |
| flatspine stickseed | Lappula occidentalis var. occidentalis | LAOCO | Boraginaceae | Dicot |
| flatstem pondweed | Potamogeton zosteriformis | POZO | Potamogetonaceae | Monocot |
| flattened oatgrass | Danthonia compressa | DACO | Poaceae | Monocot |
| flax | Linum | LINUM | Linaceae | Dicot |
| fleabane | Erigeron | ERIGE2 | Asteraceae | Dicot |
| fleshy dandelion | Taraxacum carneocoloratum | TACA6 | Asteraceae | Dicot |
| fleshy starwort | Stellaria crassifolia | STCR | Caryophyllaceae | Dicot |
| fleshy starwort | Stellaria crassifolia var. crassifolia | STCRC | Caryophyllaceae | Dicot |
| fleshy starwort | Stellaria crassifolia var. eriocalycina | STCRE | Caryophyllaceae | Dicot |
| fleshy starwort | Stellaria crassifolia var. linearis | STCRL | Caryophyllaceae | Dicot |
| floating marsh marigold | Caltha natans | CANA | Ranunculaceae | Dicot |
| floating pondweed | Potamogeton natans | PONA4 | Potamogetonaceae | Monocot |
| foamflower | Tiarella | TIARE | Saxifragaceae | Dicot |
| forget-me-not | Myosotis | MYOSO | Boraginaceae | Dicot |
| forked cinquefoil | Potentilla furcata | POFU2 | Rosaceae | Dicot |
| forked woodrush | Luzula divaricata | LUDI | Juncaceae | Monocot |
| forked wormwood | Artemisia furcata | ARFU4 | Asteraceae | Dicot |
| forked wormwood | Artemisia furcata var. furcata | ARFUF | Asteraceae | Dicot |
| forked wormwood | Artemisia furcata var. heterophylla | ARFUH | Asteraceae | Dicot |
| fourleaf mare"s-tail | Hippuris tetraphylla | HITE | Hippuridaceae | Dicot |
| fourpart dwarf gentian | Gentianella propinqua | GEPR5 | Gentianaceae | Dicot |
| fourpart dwarf gentian | Gentianella propinqua ssp. aleutica | GEPRA | Gentianaceae | Dicot |
| fourpart dwarf gentian | Gentianella propinqua ssp. propinqua | GEPRP | Gentianaceae | Dicot |
| fowl bluegrass | Poa palustris | POPA2 | Poaceae | Monocot |
| fowl mannagrass | Glyceria striata | GLST | Poaceae | Monocot |
| Fowler"s knotweed | Polygonum fowleri | POFO2 | Polygonaceae | Dicot |
| Fowler"s knotweed | Polygonum fowleri ssp. fowleri | POFOF7 | Polygonaceae | Dicot |
| foxglove | Digitalis | DIGIT | Scrophulariaceae | Dicot |
| foxtail | Alopecurus | ALOPE | Poaceae | Monocot |
| foxtail barley | Hordeum jubatum ssp. jubatum | HOJUJ | Poaceae | Monocot |
| foxtail barley | Hordeum jubatum | HOJU | Poaceae | Monocot |
| fragile rockbrake | Cryptogramma stelleri | CRST2 | Pteridaceae | Fern |
| fragile sedge | Carex membranacea | CAME4 | Cyperaceae | Monocot |
| fragrant bedstraw | Galium triflorum | GATR3 | Rubiaceae | Dicot |