List of North Dakota Plants
| Plant Name | Scientific Name | Plant CD | Family | Type |
|---|---|---|---|---|
| absinthium | Artemisia absinthium | ARAB3 | Asteraceae | Dicot |
| adderstongue | Ophioglossum | OPHIO | Ophioglossaceae | Fern |
| agoseris | Agoseris | AGOSE | Asteraceae | Dicot |
| agrimony | Agrimonia | AGRIM | Rosaceae | Dicot |
| alder | Alnus | ALNUS | Betulaceae | Dicot |
| alderleaf buckthorn | Rhamnus alnifolia | RHAL | Rhamnaceae | 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 |
| alkali buttercup | Ranunculus cymbalaria | RACY | Ranunculaceae | Dicot |
| alkali cordgrass | Spartina gracilis | SPGR | Poaceae | Monocot |
| alkali marsh aster | Almutaster | ALMUT2 | Asteraceae | Dicot |
| alkali marsh aster | Almutaster pauciflorus | ALPA14 | Asteraceae | Dicot |
| alkali sacaton | Sporobolus airoides | SPAI | Poaceae | Monocot |
| alkaligrass | Puccinellia | PUCCI | Poaceae | Monocot |
| Allegheny monkeyflower | Mimulus ringens | MIRI | Scrophulariaceae | Dicot |
| Allegheny monkeyflower | Mimulus ringens var. ringens | MIRIR | Scrophulariaceae | Dicot |
| alliaria | Alliaria | ALLIA | Brassicaceae | Dicot |
| alpine bladderpod | Lesquerella alpina | LEAL | Brassicaceae | Dicot |
| alpine bladderpod | Lesquerella alpina var. alpina | LEALA5 | Brassicaceae | Dicot |
| alpine golden buckwheat | Eriogonum flavum | ERFL4 | Polygonaceae | Dicot |
| alpine golden buckwheat | Eriogonum flavum var. flavum | ERFLF | Polygonaceae | Dicot |
| alpine sweetvetch | Hedysarum alpinum | HEAL | Fabaceae | Dicot |
| alpine violet | Viola labradorica | VILA10 | Violaceae | Dicot |
| alsike clover | Trifolium hybridum | TRHY | Fabaceae | Dicot |
| alumroot | Heuchera | HEUCH | Saxifragaceae | Dicot |
| alyssumleaf phlox | Phlox alyssifolia | PHAL3 | Polemoniaceae | Dicot |
| alyssumleaf phlox | Phlox alyssifolia ssp. alyssifolia | PHALA5 | Polemoniaceae | Dicot |
| American basswood | Tilia americana | TIAM | Tiliaceae | Dicot |
| American basswood | Tilia americana var. americana | TIAMA | Tiliaceae | Dicot |
| American bird"s-foot trefoil | Lotus unifoliolatus | LOUN | Fabaceae | Dicot |
| American bird"s-foot trefoil | Lotus unifoliolatus var. unifoliolatus | LOUNU | Fabaceae | Dicot |
| American bittersweet | Celastrus scandens | CESC | Celastraceae | Dicot |
| American black currant | Ribes americanum | RIAM2 | Grossulariaceae | Dicot |
| American black elderberry | Sambucus nigra ssp. canadensis | SANIC4 | Caprifoliaceae | Dicot |
| American bugseed | Corispermum americanum | COAM8 | Chenopodiaceae | Dicot |
| American bugseed | Corispermum americanum var. americanum | COAMA2 | Chenopodiaceae | Dicot |
| American bur-reed | Sparganium americanum | SPAM | Sparganiaceae | Monocot |
| 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 elm | Ulmus americana | ULAM | Ulmaceae | Dicot |
| American false pennyroyal | Hedeoma pulegioides | HEPU | Lamiaceae | Dicot |
| American hazelnut | Corylus americana | COAM3 | Betulaceae | Dicot |
| American hogpeanut | Amphicarpaea bracteata | AMBR2 | Fabaceae | Dicot |
| American hogpeanut | Amphicarpaea bracteata var. bracteata | AMBRB | Fabaceae | Dicot |
| American hogpeanut | Amphicarpaea bracteata var. comosa | AMBRC | Fabaceae | Dicot |
| American licorice | Glycyrrhiza lepidota | GLLE3 | Fabaceae | Dicot |
| American lopseed | Phryma leptostachya | PHLE5 | Verbenaceae | 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 red raspberry | Rubus idaeus | RUID | Rosaceae | Dicot |
| American red raspberry | Rubus idaeus ssp. idaeus | RUIDI | Rosaceae | Dicot |
| American sloughgrass | Beckmannia syzigachne | BESY | Poaceae | Monocot |
| American speedwell | Veronica americana | VEAM2 | Scrophulariaceae | Dicot |
| American spurred gentian | Halenia deflexa | HADE2 | Gentianaceae | Dicot |
| American spurred gentian | Halenia deflexa ssp. deflexa | HADED2 | Gentianaceae | Dicot |
| American stickseed | Hackelia deflexa var. americana | HADEA | Boraginaceae | Dicot |
| American trailplant | Adenocaulon bicolor | ADBI | 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 woollyfruit sedge | Carex lasiocarpa var. americana | CALAA | Cyperaceae | Monocot |
| Amur honeysuckle | Lonicera maackii | LOMA6 | Caprifoliaceae | Dicot |
| Amur maple | Acer ginnala | ACGI | Aceraceae | Dicot |
| Amur rose | Rosa ×dulcissima | RODU | Rosaceae | Dicot |
| analogue sedge | Carex simulata | CASI2 | Cyperaceae | Monocot |
| anemone | Anemone | ANEMO | Ranunculaceae | Dicot |
| annual bluegrass | Poa annua | POAN | Poaceae | Monocot |
| annual buckwheat | Eriogonum annuum | ERAN4 | Polygonaceae | Dicot |
| annual canarygrass | Phalaris canariensis | PHCA5 | Poaceae | Monocot |
| annual marsh elder | Iva annua | IVAN2 | Asteraceae | Dicot |
| annual marsh elder | Iva annua var. annua | IVANA | Asteraceae | Dicot |
| annual polemonium | Polemonium micranthum | POMI | Polemoniaceae | Dicot |
| annual rabbitsfoot grass | Polypogon monspeliensis | POMO5 | Poaceae | Monocot |
| annual ragweed | Ambrosia artemisiifolia | AMAR2 | Asteraceae | Dicot |
| annual ragweed | Ambrosia artemisiifolia var. elatior | AMARE | Asteraceae | Dicot |
| arctic brome | Bromus kalmii | BRKA2 | Poaceae | Monocot |
| arctic rush | Juncus arcticus | JUAR2 | Juncaceae | Monocot |
| arctic sweet coltsfoot | Petasites frigidus | PEFR5 | Asteraceae | Dicot |
| arctic sweet coltsfoot | Petasites frigidus var. palmatus | PEFRP | Asteraceae | Dicot |
| armoracia | Armoracia | ARMOR | Brassicaceae | Dicot |
| arnica | Arnica | ARNIC | Asteraceae | Dicot |
| aromatic aster | Symphyotrichum oblongifolium | SYOB | Asteraceae | Dicot |
| arrowgrass | Triglochin | TRIGL | Juncaginaceae | Monocot |
| arrowhead | Sagittaria | SAGIT | Alismataceae | Monocot |
| arrowleaf balsamroot | Balsamorhiza sagittata | BASA3 | Asteraceae | Dicot |
| arrowleaf sweet coltsfoot | Petasites frigidus var. sagittatus | PEFRS5 | Asteraceae | Dicot |
| arrowleaf tearthumb | Polygonum sagittatum | POSA5 | Polygonaceae | Dicot |
| arumleaf arrowhead | Sagittaria cuneata | SACU | Alismataceae | Monocot |
| ash | Fraxinus | FRAXI | Oleaceae | Dicot |
| Asiatic dayflower | Commelina communis | COCO3 | Commelinaceae | Monocot |
| asparagus | Asparagus | ASPAR | Liliaceae | Monocot |
| Assiniboia sedge | Carex assiniboinensis | CAAS2 | Cyperaceae | Monocot |
| aster | Symphyotrichum | SYMPH4 | Asteraceae | Dicot |
| aster | Symphyotrichum ×amethystinum | SYAM3 | Asteraceae | Dicot |
| Atkinson"s tickseed | Coreopsis tinctoria var. atkinsoniana | COTIA | Asteraceae | Dicot |
| Atlantic ninebark | Physocarpus opulifolius var. intermedius | PHOPI | Rosaceae | Dicot |
| Aunt Lucy | Ellisia nyctelea | ELNY | Hydrophyllaceae | Dicot |
| Austrian yellowcress | Rorippa austriaca | ROAU | Brassicaceae | Dicot |
| autumn dwarf gentian | Gentianella amarella | GEAM3 | Gentianaceae | Dicot |
| autumn dwarf gentian | Gentianella amarella ssp. acuta | GEAMA | Gentianaceae | Dicot |
| autumn onion | Allium stellatum | ALST | Liliaceae | Monocot |
| autumn willow | Salix serissima | SASE2 | Salicaceae | Dicot |
| avens | Geum | GEUM | Rosaceae | Dicot |
| awlfruit sedge | Carex stipata | CAST5 | Cyperaceae | Monocot |
| baby"s breath | Gypsophila paniculata | GYPA | Caryophyllaceae | Dicot |
| baby"s-breath | Gypsophila | GYPSO | Caryophyllaceae | Dicot |
| Back"s sedge | Carex backii | CABA3 | Cyperaceae | Monocot |
| bahia | Picradeniopsis | PICRA3 | Asteraceae | Dicot |
| bald brome | Bromus racemosus | BRRA2 | Poaceae | Monocot |
| bald spikerush | Eleocharis erythropoda | ELER | Cyperaceae | Monocot |
| Balkan catchfly | Silene csereii | SICS | Caryophyllaceae | Dicot |
| ballhead ipomopsis | Ipomopsis congesta | IPCO5 | Polemoniaceae | Dicot |
| ballhead ipomopsis | Ipomopsis congesta ssp. congesta | IPCOC3 | Polemoniaceae | Dicot |
| ballmustard | Neslia paniculata | NEPA3 | Brassicaceae | Dicot |
| balm-of-Gilead | Populus ×jackii | POJA2 | Salicaceae | Dicot |
| balsam groundsel | Packera paupercula | PAPA20 | Asteraceae | Dicot |
| balsam poplar | Populus balsamifera | POBA2 | Salicaceae | Dicot |
| balsam poplar | Populus balsamifera ssp. balsamifera | POBAB2 | Salicaceae | Dicot |
| balsamroot | Balsamorhiza | BALSA | Asteraceae | Dicot |
| baneberry | Actaea | ACTAE | Ranunculaceae | Dicot |
| barberry | Berberis | BERBE | Berberidaceae | Dicot |
| barberry | Mahonia | MAHON | Berberidaceae | Dicot |
| barley | Hordeum | HORDE | Poaceae | Monocot |
| barley | ×Elyhordeum | ELYHO | Poaceae | Monocot |
| barnyardgrass | Echinochloa crus-galli | ECCR | Poaceae | Monocot |
| basswood | Tilia | TILIA | Tiliaceae | Dicot |
| bastard toadflax | Comandra umbellata ssp. umbellata | COUMU | Santalaceae | Dicot |
| bastard toadflax | Comandra | COMAN | Santalaceae | Dicot |
| bastard toadflax | Comandra umbellata | COUM | Santalaceae | Dicot |
| beaked hazelnut | Corylus cornuta | COCO6 | Betulaceae | Dicot |
| beaked hazelnut | Corylus cornuta var. cornuta | COCOC2 | Betulaceae | Dicot |
| beaked skeletonweed | Shinnersoseris | SHINN2 | Asteraceae | Dicot |
| beaked skeletonweed | Shinnersoseris rostrata | SHRO2 | Asteraceae | Dicot |
| beaked spikerush | Eleocharis rostellata | ELRO2 | Cyperaceae | Monocot |
| beaksedge | Rhynchospora | RHYNC3 | Cyperaceae | Monocot |
| beard lichen | Usnea | USNEA2 | Parmeliaceae | Lichen |
| bearded flatsedge | Cyperus squarrosus | CYSQ | Cyperaceae | Monocot |
| bearded sprangletop | Leptochloa fusca ssp. fascicularis | LEFUF | Poaceae | Monocot |
| beardtongue | Penstemon | PENST | Scrophulariaceae | Dicot |
| Bebb willow | Salix bebbiana | SABE2 | Salicaceae | Dicot |
| Bebb"s sedge | Carex bebbii | CABE2 | Cyperaceae | Monocot |
| bedstraw | Galium | GALIU | Rubiaceae | Dicot |
| beebalm | Monarda | MONAR | Lamiaceae | Dicot |
| beeblossom | Gaura | GAURA | Onagraceae | Dicot |
| beggarslice | Hackelia virginiana | HAVI2 | Boraginaceae | Dicot |
| beggarticks | Bidens | BIDEN | Asteraceae | Dicot |
| bellflower | Campanula | CAMPA | Campanulaceae | Dicot |
| bellis | Bellis | BELLI | Asteraceae | Dicot |
| bellwort | Uvularia | UVULA | Liliaceae | Monocot |
| bentflower milkvetch | Astragalus vexilliflexus | ASVE5 | Fabaceae | Dicot |
| bentflower milkvetch | Astragalus vexilliflexus var. vexilliflexus | ASVEV2 | Fabaceae | Dicot |
| bentgrass | Agrostis | AGROS2 | Poaceae | Monocot |
| Beyrich"s fleabane | Erigeron strigosus var. beyrichii | ERSTB | Asteraceae | Dicot |
| biannual lettuce | Lactuca ludoviciana | LALU | Asteraceae | Dicot |
| Bicknell"s cranesbill | Geranium bicknellii | GEBI2 | Geraniaceae | Dicot |
| Bicknell"s sedge | Carex bicknellii | CABI3 | Cyperaceae | Monocot |
| biennial wormwood | Artemisia biennis | ARBI2 | Asteraceae | Dicot |
| biennial wormwood | Artemisia biennis var. biennis | ARBIB | Asteraceae | Dicot |
| big bluestem | Andropogon gerardii | ANGE | Poaceae | Monocot |
| big chickweed | Cerastium fontanum ssp. vulgare | CEFOV2 | Caryophyllaceae | Dicot |
| big devils beggartick | Bidens vulgata | BIVU | Asteraceae | Dicot |
| big sagebrush | Artemisia tridentata | ARTR2 | Asteraceae | Dicot |
| bigbract verbena | Verbena bracteata | VEBR | Verbenaceae | Dicot |
| bigfruit dodder | Cuscuta megalocarpa | CUME4 | Cuscutaceae | Dicot |
| bigseed alfalfa dodder | Cuscuta indecora | CUIN | Cuscutaceae | Dicot |
| bigseed alfalfa dodder | Cuscuta indecora var. indecora | CUINI | Cuscutaceae | Dicot |
| bigseed biscuitroot | Lomatium macrocarpum | LOMA3 | Apiaceae | Dicot |
| bigtooth aspen | Populus grandidentata | POGR4 | Salicaceae | Dicot |
| billion-dollar grass | Echinochloa frumentacea | ECFR | Poaceae | Monocot |
| bindweed | Convolvulus | CONVO | Convolvulaceae | Dicot |
| birch | Betula | BETUL | Betulaceae | Dicot |
| bird"s-foot trefoil | Lotus corniculatus | LOCO6 | Fabaceae | Dicot |
| bird"s-foot trefoil | Lotus corniculatus var. corniculatus | LOCOC5 | Fabaceae | Dicot |
| bittercress | Cardamine | CARDA | Brassicaceae | Dicot |
| bittersweet | Celastrus | CELAS | Celastraceae | Dicot |
| black ash | Fraxinus nigra | FRNI | Oleaceae | 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. serotina | PRSES | Rosaceae | Dicot |
| black chokecherry | Prunus virginiana var. melanocarpa | PRVIM | Rosaceae | Dicot |
| black cottonwood | Populus balsamifera ssp. trichocarpa | POBAT | Salicaceae | Dicot |
| black elderberry | Sambucus nigra | SANI4 | Caprifoliaceae | Dicot |
| black hawthorn | Crataegus douglasii | CRDO2 | Rosaceae | Dicot |
| 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 raspberry | Rubus occidentalis | RUOC | Rosaceae | Dicot |
| black walnut | Juglans nigra | JUNI | Juglandaceae | Dicot |
| blackberry | Rubus | RUBUS | Rosaceae | Dicot |
| blackeyed Susan | Rudbeckia hirta | RUHI2 | Asteraceae | Dicot |
| blackeyed Susan | Rudbeckia hirta var. pulcherrima | RUHIP | Asteraceae | Dicot |
| blacksamson echinacea | Echinacea angustifolia | ECAN2 | Asteraceae | Dicot |
| blacksamson echinacea | Echinacea angustifolia var. angustifolia | ECANA | Asteraceae | Dicot |
| blackseed plantain | Plantago rugelii | PLRU | Plantaginaceae | Dicot |
| blackseed plantain | Plantago rugelii var. rugelii | PLRUR | Plantaginaceae | Dicot |
| blackseed ricegrass | Patis racemosa | PARA2 | Poaceae | Monocot |
| 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 |
| blanketflower | Gaillardia aristata | GAAR | Asteraceae | Dicot |
| blazing star | Liatris | LIATR | Asteraceae | Dicot |
| blazing star | Liatris ×fallacior | LIFA | Asteraceae | Dicot |
| blazingstar | Mentzelia | MENTZ | Loasaceae | Dicot |
| bleeding heart | Dicentra | DICEN | Fumariaceae | Dicot |
| blister sedge | Carex vesicaria | CAVE6 | Cyperaceae | Monocot |
| blisterwort | Ranunculus recurvatus | RARE2 | Ranunculaceae | Dicot |
| blisterwort | Ranunculus recurvatus var. recurvatus | RARER2 | Ranunculaceae | Dicot |
| blite goosefoot | Chenopodium capitatum | CHCA4 | Chenopodiaceae | Dicot |
| bloodroot | Sanguinaria | SANGU | Papaveraceae | Dicot |
| bloodroot | Sanguinaria canadensis | SACA13 | Papaveraceae | Dicot |
| blowout grass | Redfieldia | REDFI | Poaceae | Monocot |
| blowout grass | Redfieldia flexuosa | REFL | Poaceae | Monocot |
| blue cohosh | Caulophyllum thalictroides | CATH2 | Berberidaceae | Dicot |
| blue eyed Mary | Collinsia | COLLI | Scrophulariaceae | Dicot |
| blue giant hyssop | Agastache foeniculum | AGFO | Lamiaceae | 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 nodding locoweed | Oxytropis deflexa var. sericea | OXDES | Fabaceae | Dicot |
| Blue Ridge carrionflower | Smilax lasioneura | SMLA3 | Smilacaceae | Monocot |
| 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-eyed grass | Sisyrinchium | SISYR | Iridaceae | Monocot |
| bluebell bellflower | Campanula rotundifolia | CARO2 | Campanulaceae | Dicot |
| bluebells | Mertensia | MERTE | Boraginaceae | Dicot |
| bluebunch wheatgrass | Pseudoroegneria spicata | PSSP6 | Poaceae | Monocot |
| bluebunch wheatgrass | Pseudoroegneria spicata ssp. spicata | PSSPS | Poaceae | Monocot |
| bluegrass | Poa | POA | Poaceae | Monocot |
| bluegrass | Poa ×nematophylla | PONE18 | Poaceae | Monocot |
| bluejoint | Calamagrostis canadensis | CACA4 | Poaceae | Monocot |
| bluejoint | Calamagrostis canadensis var. canadensis | CACAC10 | Poaceae | Monocot |
| bluestem | Andropogon | ANDRO2 | Poaceae | Monocot |
| bluet | Houstonia | HOUST | Rubiaceae | Dicot |
| bluntleaf sandwort | Moehringia lateriflora | MOLA6 | Caryophyllaceae | Dicot |
| 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 |
| bog birch | Betula pumila | BEPU4 | Betulaceae | Dicot |
| bog birch | Betula pumila var. glandulifera | BEPUG | Betulaceae | Dicot |
| bog Labrador tea | Ledum groenlandicum | LEGR | Ericaceae | Dicot |
| bog willow | Salix pedicellaris | SAPE2 | Salicaceae | Dicot |
| bog willowherb | Epilobium leptophyllum | EPLE2 | Onagraceae | Dicot |
| bog yellowcress | Rorippa palustris | ROPA2 | Brassicaceae | Dicot |
| borage | Borago | BORAG | Boraginaceae | Dicot |
| bottlebrush sedge | Carex hystericina | CAHY4 | Cyperaceae | Monocot |
| bouncingbet | Saponaria officinalis | SAOF4 | Caryophyllaceae | Dicot |
| box knotweed | Polygonum buxiforme | POBU2 | Polygonaceae | Dicot |
| boxelder | Acer negundo | ACNE2 | Aceraceae | Dicot |
| boxelder | Acer negundo var. interius | ACNEI2 | Aceraceae | Dicot |
| boxelder | Acer negundo var. negundo | ACNEN | Aceraceae | Dicot |
| boxelder | Acer negundo var. violaceum | ACNEV | Aceraceae | Dicot |
| brackenfern | Pteridium | PTERI | Dennstaedtiaceae | Fern |
| brickellbush | Brickellia | BRICK | Asteraceae | Dicot |
| bristlegrass | Setaria | SETAR | Poaceae | Monocot |
| bristleleaf sedge | Carex eburnea | CAEB2 | Cyperaceae | Monocot |
| bristly buttercup | Ranunculus hispidus | RAHI | Ranunculaceae | Dicot |
| bristly buttercup | Ranunculus hispidus var. caricetorum | RAHIC | Ranunculaceae | Dicot |
| bristly mousetail | Myosurus apetalus | MYAP | Ranunculaceae | Dicot |
| bristly mousetail | Myosurus apetalus var. montanus | MYAPM | Ranunculaceae | Dicot |
| bristly oxtongue | Picris echioides | PIEC | Asteraceae | Dicot |
| 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 |
| brittlestem hempnettle | Galeopsis tetrahit | GATE2 | Lamiaceae | Dicot |
| brittlestem hempnettle | Galeopsis tetrahit var. tetrahit | GATET2 | Lamiaceae | Dicot |
| broadbeard beardtongue | Penstemon angustifolius | PEAN4 | Scrophulariaceae | Dicot |
| broadbeard beardtongue | Penstemon angustifolius var. angustifolius | PEANA2 | Scrophulariaceae | Dicot |
| broadfruit bur-reed | Sparganium eurycarpum | SPEU | Sparganiaceae | Monocot |
| broadleaf arrowhead | Sagittaria latifolia | SALA2 | Alismataceae | Monocot |
| broadleaf cattail | Typha latifolia | TYLA | Typhaceae | Monocot |
| broadleaf enchanter"s nightshade | Circaea lutetiana | CILU | Onagraceae | Dicot |
| broadleaf enchanter"s nightshade | Circaea lutetiana ssp. canadensis | CILUC | Onagraceae | Dicot |
| brome | Bromus | BROMU | Poaceae | Monocot |
| brook cinquefoil | Potentilla rivalis | PORI3 | Rosaceae | Dicot |
| broom sedge | Carex scoparia | CASC11 | Cyperaceae | Monocot |
| broom sedge | Carex scoparia var. scoparia | CASCS | Cyperaceae | Monocot |
| broom snakeweed | Gutierrezia sarothrae | GUSA2 | Asteraceae | Dicot |
| broomcorn millet | Panicum miliaceum ssp. miliaceum | PAMIM | Poaceae | Monocot |
| broomrape | Orobanche | OROBA | Orobanchaceae | Dicot |
| brown mustard | Brassica juncea | BRJU | Brassicaceae | Dicot |
| brownish sedge | Carex brunnescens | CABR15 | Cyperaceae | Monocot |
| brownish sedge | Carex brunnescens ssp. sphaerostachya | CABRS | Cyperaceae | Monocot |
| buckbean | Menyanthes | MENYA | Menyanthaceae | Dicot |
| buckbean | Menyanthes trifoliata | METR3 | Menyanthaceae | Dicot |
| buckthorn | Rhamnus | RHAMN | Rhamnaceae | Dicot |
| buckwheat | Eriogonum | ERIOG | Polygonaceae | Dicot |
| buckwheat | Fagopyrum | FAGOP2 | Polygonaceae | Dicot |
| buckwheat | Fagopyrum esculentum | FAES2 | Polygonaceae | Dicot |
| buffaloberry | Shepherdia | SHEPH | Elaeagnaceae | Dicot |
| buffalobur nightshade | Solanum rostratum | SORO | Solanaceae | Dicot |
| buffalograss | Bouteloua dactyloides | BODA2 | Poaceae | Monocot |
| bugloss | Anchusa | ANCHU | Boraginaceae | Dicot |
| buglossoides | Buglossoides | BUGLO | Boraginaceae | Dicot |
| bugseed | Corispermum | CORIS | Chenopodiaceae | Dicot |
| bulblet-bearing water hemlock | Cicuta bulbifera | CIBU | Apiaceae | Dicot |
| bulbous bittercress | Cardamine bulbosa | CABU3 | Brassicaceae | Dicot |
| bulbous bluegrass | Poa bulbosa | POBU | Poaceae | Monocot |
| bull thistle | Cirsium vulgare | CIVU | Asteraceae | Dicot |
| bulrush | Schoenoplectus | SCHOE6 | Cyperaceae | Monocot |
| bulrush | Schoenoplectus ×oblongus | SCOB10 | Cyperaceae | Monocot |
| bulrush | Scirpus | SCIRP | Cyperaceae | Monocot |
| bunchberry dogwood | Cornus canadensis | COCA13 | Cornaceae | Dicot |
| bundleflower | Desmanthus | DESMA | Fabaceae | Dicot |
| bur cucumber | Sicyos | SICYO | Cucurbitaceae | Dicot |
| bur oak | Quercus macrocarpa | QUMA2 | Fagaceae | Dicot |
| bur oak | Quercus macrocarpa var. depressa | QUMAD | Fagaceae | Dicot |
| bur oak | Quercus macrocarpa var. macrocarpa | QUMAM | Fagaceae | Dicot |
| bur-reed | Sparganium | SPARG | Sparganiaceae | Monocot |
| burdock | Arctium | ARCTI | Asteraceae | Dicot |
| burningbush | Bassia scoparia | BASC5 | Chenopodiaceae | Dicot |
| burningbush | Euonymus atropurpureus | EUAT5 | Celastraceae | Dicot |
| bush honeysuckle | Diervilla | DIERV | Caprifoliaceae | Dicot |
| Bush"s goosefoot | Chenopodium berlandieri var. bushianum | CHBEB3 | Chenopodiaceae | Dicot |
| bushy blazingstar | Mentzelia dispersa | MEDI | Loasaceae | Dicot |
| bushy blazingstar | Mentzelia dispersa var. dispersa | MEDID | Loasaceae | 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 |
| butomus | Butomus | BUTOM | Butomaceae | Monocot |
| buttecandle | Cryptantha celosioides | CRCE | Boraginaceae | Dicot |
| butter and eggs | Linaria vulgaris | LIVU2 | Scrophulariaceae | Dicot |
| butterbur | Petasites | PETAS | Asteraceae | Dicot |
| buttercup | Ranunculus | RANUN | Ranunculaceae | Dicot |
| buttonbush dodder | Cuscuta cephalanthi | CUCE | Cuscutaceae | Dicot |
| Buxbaum"s sedge | Carex buxbaumii | CABU6 | Cyperaceae | Monocot |
| California nettle | Urtica dioica ssp. gracilis | URDIG | Urticaceae | Dicot |
| callalily | Calla | CALLA | Araceae | Monocot |
| campion | Lychnis | LYCHN | Caryophyllaceae | Dicot |
| campsis | Campsis | CAMPS | Bignoniaceae | 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 goldenrod | Solidago altissima | SOAL6 | Asteraceae | Dicot |
| Canada goldenrod | Solidago canadensis | SOCA6 | Asteraceae | Dicot |
| Canada goldenrod | Solidago canadensis var. canadensis | SOCAC3 | Asteraceae | Dicot |
| Canada lettuce | Lactuca canadensis | LACA | Asteraceae | Dicot |
| Canada mayflower | Maianthemum canadense | MACA4 | Liliaceae | Monocot |
| Canada thistle | Cirsium arvense | CIAR4 | Asteraceae | Dicot |
| Canada toadflax | Nuttallanthus canadensis | NUCA | Scrophulariaceae | Dicot |
| Canada wildrye | Elymus canadensis | ELCA4 | Poaceae | Monocot |
| Canadian anemone | Anemone canadensis | ANCA8 | Ranunculaceae | Dicot |
| Canadian clearweed | Pilea pumila | PIPU2 | Urticaceae | Dicot |
| Canadian clearweed | Pilea pumila var. pumila | PIPUP | Urticaceae | Dicot |
| Canadian gooseberry | Ribes oxyacanthoides | RIOX | Grossulariaceae | Dicot |
| Canadian gooseberry | Ribes oxyacanthoides ssp. oxyacanthoides | RIOXO | Grossulariaceae | Dicot |
| Canadian honewort | Cryptotaenia canadensis | CRCA9 | Apiaceae | Dicot |
| Canadian horseweed | Conyza canadensis | COCA5 | Asteraceae | Dicot |
| Canadian horseweed | Conyza canadensis var. canadensis | COCAC3 | Asteraceae | Dicot |
| Canadian lousewort | Pedicularis canadensis | PECA | Scrophulariaceae | Dicot |
| Canadian lousewort | Pedicularis canadensis ssp. canadensis | PECAC3 | Scrophulariaceae | Dicot |
| Canadian milkvetch | Astragalus canadensis | ASCA11 | Fabaceae | Dicot |
| Canadian milkvetch | Astragalus canadensis var. canadensis | ASCAC6 | Fabaceae | Dicot |
| Canadian summer bluet | Houstonia canadensis | HOCA5 | Rubiaceae | Dicot |
| Canadian waterweed | Elodea canadensis | ELCA7 | Hydrocharitaceae | Monocot |
| Canadian white violet | Viola canadensis | VICA4 | Violaceae | Dicot |
| Canadian wildginger | Asarum canadense | ASCA | Aristolochiaceae | Dicot |
| Canadian woodnettle | Laportea canadensis | LACA3 | Urticaceae | Dicot |
| canarygrass | Phalaris | PHALA2 | Poaceae | Monocot |
| candle anemone | Anemone cylindrica | ANCY | Ranunculaceae | Dicot |
| capsella | Capsella | CAPSE | Brassicaceae | Dicot |
| caraway | Carum carvi | CACA19 | Apiaceae | Dicot |
| carelessweed | Cyclachaena | CYCLA4 | Asteraceae | Dicot |
| Carelessweed | Cyclachaena xanthiifolia | CYXA2 | Asteraceae | Dicot |
| 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 geranium | Geranium carolinianum var. sphaerospermum | GECAS | Geraniaceae | Dicot |
| Carolina larkspur | Delphinium carolinianum | DECA3 | Ranunculaceae | Dicot |
| Carolina larkspur | Delphinium carolinianum ssp. virescens | DECAV2 | Ranunculaceae | Dicot |
| Carolina poplar | Populus ×canadensis | POCA19 | Salicaceae | Dicot |
| carpet phlox | Phlox hoodii ssp. glabrata | PHHOG | Polemoniaceae | Dicot |
| carpetweed | Mollugo | MOLLU | Molluginaceae | Dicot |
| carum | Carum | CARUM | Apiaceae | Dicot |
| catalpa | Catalpa | CATAL | Bignoniaceae | Dicot |
| catchfly | Silene | SILEN | Caryophyllaceae | Dicot |
| catnip | Nepeta | NEPET | Lamiaceae | Dicot |
| catnip | Nepeta cataria | NECA2 | Lamiaceae | Dicot |
| cattail | Typha | TYPHA | Typhaceae | Monocot |
| ceanothus | Ceanothus | CEANO | Rhamnaceae | Dicot |
| cereal rye | Secale cereale | SECE | Poaceae | Monocot |
| chaffweed | Anagallis minima | ANMI4 | Primulaceae | Dicot |
| Chalk Hill hymenopappus | Hymenopappus tenuifolius | HYTE2 | Asteraceae | Dicot |
| Chamisso"s cottongrass | Eriophorum chamissonis | ERCH7 | Cyperaceae | Monocot |
| chamomile | Anthemis | ANTHE | Asteraceae | Dicot |
| charlock mustard | Sinapis arvensis | SIAR4 | Brassicaceae | Dicot |
| cheatgrass | Bromus tectorum | BRTE | Poaceae | Monocot |
| chee reedgrass | Calamagrostis epigeios | CAEP | Poaceae | Monocot |
| chee reedgrass | Calamagrostis epigeios ssp. epigeios | CAEPE2 | Poaceae | Monocot |
| cheeseweed mallow | Malva parviflora | MAPA5 | Malvaceae | Dicot |
| chicory | Cichorium | CICHO | Asteraceae | Dicot |
| chicory | Cichorium intybus | CIIN | Asteraceae | Dicot |
| chokecherry | Prunus virginiana var. virginiana | PRVIV | Rosaceae | Dicot |
| chokecherry | Prunus virginiana | PRVI | Rosaceae | Dicot |
| chorispora | Chorispora | CHORI | Brassicaceae | 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 |
| clasping coneflower | Dracopis amplexicaulis | DRAM | Asteraceae | Dicot |
| clasping pepperweed | Lepidium perfoliatum | LEPE2 | Brassicaceae | Dicot |
| clasping Venus" looking-glass | Triodanis perfoliata | TRPE4 | Campanulaceae | Dicot |
| Clayton"s sweetroot | Osmorhiza claytonii | OSCL | Apiaceae | Dicot |
| clearweed | Pilea | PILEA | Urticaceae | Dicot |
| cliff fern | Woodsia | WOODS | Dryopteridaceae | Fern |
| cliffbrake | Pellaea | PELLA | Pteridaceae | Fern |
| climbing false buckwheat | Polygonum scandens | POSC3 | Polygonaceae | Dicot |
| climbing false buckwheat | Polygonum scandens var. scandens | POSCS | Polygonaceae | Dicot |
| climbing nightshade | Solanum dulcamara | SODU | Solanaceae | Dicot |
| climbing nightshade | Solanum dulcamara var. dulcamara | SODUD | Solanaceae | Dicot |
| cloaked bulrush | Scirpus pallidus | SCPA8 | Cyperaceae | Monocot |
| closed bottle gentian | Gentiana andrewsii | GEAN | Gentianaceae | Dicot |
| closed bottle gentian | Gentiana andrewsii var. andrewsii | GEANA | Gentianaceae | Dicot |
| clover | Trifolium | TRIFO | Fabaceae | Dicot |
| clover dodder | Cuscuta epithymum | CUEP | Cuscutaceae | Dicot |
| cluster mallow | Malva verticillata | MAVE | Malvaceae | Dicot |
| clustered blacksnakeroot | Sanicula odorata | SAOD | Apiaceae | Dicot |
| clustered broomrape | Orobanche fasciculata | ORFA | Orobanchaceae | Dicot |
| clustered field sedge | Carex praegracilis | CAPR5 | Cyperaceae | Monocot |
| coastal plain panicgrass | Dichanthelium longiligulatum | DILO4 | Poaceae | Monocot |
| cocklebur | Xanthium | XANTH2 | Asteraceae | Dicot |
| cockspur grass | Echinochloa | ECHIN4 | Poaceae | Monocot |
| coffeetree | Gymnocladus | GYMNO2 | Fabaceae | Dicot |
| cohosh | Caulophyllum | CAULO | Berberidaceae | Dicot |
| Collins" rockcress | Arabis holboellii var. collinsii | ARHOC | Brassicaceae | Dicot |
| colonial bentgrass | Agrostis capillaris | AGCA5 | Poaceae | Monocot |
| Columbian watermeal | Wolffia columbiana | WOCO | Lemnaceae | Monocot |
| columbine | Aquilegia | AQUIL | Ranunculaceae | Dicot |
| comarum | Comarum | COMAR3 | Rosaceae | Dicot |
| common barberry | Berberis vulgaris | BEVU | Berberidaceae | Dicot |
| common barley | Hordeum vulgare | HOVU | Poaceae | Monocot |
| common bladderwort | Utricularia macrorhiza | UTMA | Lentibulariaceae | Dicot |
| common blue violet | Viola sororia | VISO | Violaceae | Dicot |
| common boneset | Eupatorium perfoliatum | EUPE3 | Asteraceae | Dicot |
| common boneset | Eupatorium perfoliatum var. perfoliatum | EUPEP | Asteraceae | Dicot |
| common borage | Borago officinalis | BOOF | Boraginaceae | Dicot |
| common buckthorn | Rhamnus cathartica | RHCA3 | Rhamnaceae | 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. officinale | TAOFO | Asteraceae | Dicot |
| common dogmustard | Erucastrum gallicum | ERGA | Brassicaceae | Dicot |
| common duckmeat | Spirodela polyrrhiza | SPPO | Lemnaceae | Monocot |
| common duckweed | Lemna minor | LEMI3 | Lemnaceae | Monocot |
| common evening primrose | Oenothera biennis | OEBI | Onagraceae | Dicot |
| common fiddleneck | Amsinckia menziesii var. intermedia | AMMEI2 | Boraginaceae | Dicot |
| common flax | Linum usitatissimum | LIUS | Linaceae | Dicot |
| common goldstar | Hypoxis hirsuta | HYHI2 | Liliaceae | Monocot |
| common gypsyweed | Veronica officinalis | VEOF2 | Scrophulariaceae | Dicot |
| common gypsyweed | Veronica officinalis var. officinalis | VEOFO | Scrophulariaceae | Dicot |
| common hackberry | Celtis occidentalis | CEOC | Ulmaceae | Dicot |
| common hop | Humulus lupulus | HULU | Cannabaceae | Dicot |
| common hop | Humulus lupulus var. lupuloides | HULUL | Cannabaceae | Dicot |
| common hop | Humulus lupulus var. neomexicanus | HULUN | Cannabaceae | Dicot |
| common juniper | Juniperus communis | JUCO6 | Cupressaceae | Gymnosperm |
| common juniper | Juniperus communis var. depressa | JUCOD | Cupressaceae | Gymnosperm |
| common kidneyvetch | Anthyllis vulneraria | ANVU | Fabaceae | Dicot |
| 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 marshmallow | Althaea officinalis | ALOF2 | Malvaceae | Dicot |
| common milkweed | Asclepias syriaca | ASSY | Asclepiadaceae | Dicot |
| common moonseed | Menispermum canadense | MECA3 | Menispermaceae | Dicot |
| common moonwort | Botrychium lunaria | BOLU | Ophioglossaceae | Fern |
| common motherwort | Leonurus cardiaca | LECA2 | Lamiaceae | Dicot |
| common motherwort | Leonurus cardiaca ssp. cardiaca | LECAC7 | Lamiaceae | Dicot |
| common mouse-ear chickweed | Cerastium fontanum | CEFO2 | Caryophyllaceae | Dicot |
| common mullein | Verbascum thapsus | VETH | Scrophulariaceae | Dicot |
| common ninebark | Physocarpus opulifolius | PHOP | Rosaceae | 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 pricklyash | Zanthoxylum americanum | ZAAM | Rutaceae | Dicot |
| common reed | Phragmites australis | PHAU7 | Poaceae | Monocot |
| common rivergrass | Scolochloa festucacea | SCFE | Poaceae | Monocot |
| common rush | Juncus effusus | JUEF | Juncaceae | Monocot |
| common salttree | Halimodendron halodendron | HAHA8 | Fabaceae | Dicot |
| common selfheal | Prunella vulgaris | PRVU | Lamiaceae | Dicot |
| common sheep sorrel | Rumex acetosella | RUAC3 | Polygonaceae | Dicot |
| common sneezeweed | Helenium autumnale | HEAU | Asteraceae | Dicot |
| common snowberry | Symphoricarpos albus | SYAL | Caprifoliaceae | Dicot |
| common snowberry | Symphoricarpos albus var. albus | SYALA | 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 St. Johnswort | Hypericum perforatum | HYPE | Clusiaceae | Dicot |
| common starlily | Leucocrinum montanum | LEMO4 | Liliaceae | Monocot |
| common sunflower | Helianthus annuus | HEAN3 | Asteraceae | Dicot |
| common tansy | Tanacetum vulgare | TAVU | Asteraceae | Dicot |
| common threeseed mercury | Acalypha rhomboidea | ACRH | Euphorbiaceae | Dicot |
| common threesquare | Schoenoplectus pungens | SCPU10 | Cyperaceae | Monocot |
| common threesquare | Schoenoplectus pungens var. longispicatus | SCPUL4 | Cyperaceae | Monocot |
| common twinpod | Physaria didymocarpa | PHDI6 | Brassicaceae | Dicot |
| common twinpod | Physaria didymocarpa var. didymocarpa | PHDID | Brassicaceae | Dicot |
| common velvetgrass | Holcus lanatus | HOLA | Poaceae | Monocot |
| common viburnum | Viburnum ellipticum | VIEL | Caprifoliaceae | Dicot |
| common yarrow | Achillea millefolium | ACMI2 | Asteraceae | Dicot |
| common yellow oxalis | Oxalis stricta | OXST | Oxalidaceae | Dicot |
| compassplant | Silphium laciniatum | SILA3 | Asteraceae | Dicot |
| compassplant | Silphium laciniatum var. laciniatum | SILAL2 | Asteraceae | Dicot |
| composite dropseed | Sporobolus compositus | SPCO16 | Poaceae | Monocot |
| composite dropseed | Sporobolus compositus var. compositus | SPCOC2 | Poaceae | Monocot |
| coneflower | Rudbeckia | RUDBE | Asteraceae | Dicot |
| coneflower | Dracopis | DRACO3 | Asteraceae | Dicot |
| coon"s tail | Ceratophyllum demersum | CEDE4 | Ceratophyllaceae | Dicot |
| Cooper"s milkvetch | Astragalus neglectus | ASNE2 | Fabaceae | Dicot |
| copperleaf | Acalypha | ACALY | Euphorbiaceae | Dicot |
| coralroot | Corallorhiza | CORAL5 | Orchidaceae | Monocot |
| cordgrass | Spartina | SPART | Poaceae | Monocot |
| coriander | Coriandrum | CORIA | Apiaceae | Dicot |
| coriander | Coriandrum sativum | COSA | Apiaceae | Dicot |
| corn brome | Bromus squarrosus | BRSQ2 | Poaceae | Monocot |
| corn chamomile | Anthemis arvensis | ANAR6 | Asteraceae | Dicot |
| corn gromwell | Buglossoides arvensis | BUAR3 | Boraginaceae | Dicot |
| corn poppy | Papaver rhoeas | PARH2 | Papaveraceae | Dicot |
| corn spurry | Spergula arvensis | SPAR | Caryophyllaceae | Dicot |
| corncockle | Agrostemma | AGROS | Caryophyllaceae | Dicot |
| cosmopolitan bulrush | Schoenoplectus maritimus | SCMA8 | Cyperaceae | Monocot |
| cottongrass | Eriophorum | ERIOP | Cyperaceae | Monocot |
| cottonwood | Populus | POPUL | Salicaceae | Dicot |
| cous biscuitroot | Lomatium cous | LOCO4 | Apiaceae | Dicot |
| cow soapwort | Vaccaria hispanica | VAHI2 | Caryophyllaceae | Dicot |
| cowparsnip | Heracleum | HERAC | Apiaceae | Dicot |
| crabgrass | Digitaria | DIGIT2 | Poaceae | Monocot |
| crack willow | Salix fragilis | SAFR | Salicaceae | Dicot |
| cracked lichen | Acarospora | ACARO2 | Acarosporaceae | Lichen |
| Crawe"s sedge | Carex crawei | CACR3 | Cyperaceae | Monocot |
| cream milkvetch | Astragalus racemosus | ASRA2 | Fabaceae | Dicot |
| cream milkvetch | Astragalus racemosus var. racemosus | ASRAR2 | Fabaceae | Dicot |
| cream pea | Lathyrus ochroleucus | LAOC2 | Fabaceae | Dicot |
| creamflower rockcress | Arabis hirsuta var. pycnocarpa | ARHIP | Brassicaceae | Dicot |
| creeper | Parthenocissus | PARTH3 | Vitaceae | Dicot |
| creeping barberry | Mahonia repens | MARE11 | Berberidaceae | Dicot |
| creeping bentgrass | Agrostis stolonifera | AGST2 | Poaceae | Monocot |
| creeping juniper | Juniperus horizontalis | JUHO2 | Cupressaceae | Gymnosperm |
| creeping meadow foxtail | Alopecurus arundinaceus | ALAR | Poaceae | Monocot |
| creeping nailwort | Paronychia sessiliflora | PASE | Caryophyllaceae | Dicot |
| creeping sedge | Carex chordorrhiza | CACH5 | Cyperaceae | Monocot |
| creeping woodsorrel | Oxalis corniculata | OXCO | Oxalidaceae | Dicot |
| creeping yellowcress | Rorippa sylvestris | ROSY | Brassicaceae | Dicot |
| creepingroot violet | Viola canadensis var. rugulosa | VICAR | Violaceae | Dicot |
| crested latesummer mint | Elsholtzia ciliata | ELCI | Lamiaceae | Dicot |
| crested pricklypoppy | Argemone polyanthemos | ARPO2 | Papaveraceae | Dicot |
| crested sedge | Carex cristatella | CACR7 | Cyperaceae | Monocot |
| crested wheatgrass | Agropyron cristatum | AGCR | Poaceae | Monocot |
| crested wheatgrass | Agropyron cristatum ssp. pectinatum | AGCRP8 | Poaceae | Monocot |
| crested woodfern | Dryopteris cristata | DRCR4 | Dryopteridaceae | Fern |
| crimson clover | Trifolium incarnatum | TRIN3 | Fabaceae | Dicot |
| crossflower | Chorispora tenella | CHTE2 | Brassicaceae | Dicot |
| crownbeard | Verbesina | VERBE2 | Asteraceae | Dicot |
| cryptantha | Cryptantha | CRYPT | Boraginaceae | Dicot |
| cudweed | Gnaphalium | GNAPH | Asteraceae | Dicot |
| cultivated radish | Raphanus sativus | RASA2 | Brassicaceae | Dicot |
| Culver"s root | Veronicastrum virginicum | VEVI4 | Scrophulariaceae | Dicot |
| Cuman ragweed | Ambrosia psilostachya | AMPS | Asteraceae | Dicot |
| cup lichen | Cladonia | CLADO3 | Cladoniaceae | Lichen |
| cup plant | Silphium perfoliatum | SIPE2 | Asteraceae | Dicot |
| cup plant | Silphium perfoliatum var. perfoliatum | SIPEP | Asteraceae | Dicot |
| curly dock | Rumex crispus | RUCR | Polygonaceae | Dicot |
| curly dock | Rumex crispus ssp. crispus | RUCRC | Polygonaceae | Dicot |
| curly plumeless thistle | Carduus crispus | CACR2 | Asteraceae | Dicot |
| curly pondweed | Potamogeton crispus | POCR3 | Potamogetonaceae | Monocot |
| curlycup gumweed | Grindelia squarrosa | GRSQ | Asteraceae | Dicot |
| curlycup gumweed | Grindelia squarrosa var. quasiperennis | GRSQQ | Asteraceae | Dicot |
| curlycup gumweed | Grindelia squarrosa var. serrulata | GRSQS | Asteraceae | Dicot |
| curlycup gumweed | Grindelia squarrosa var. squarrosa | GRSQS2 | Asteraceae | Dicot |
| 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 |
| cursed buttercup | Ranunculus sceleratus var. sceleratus | RASCS | Ranunculaceae | Dicot |
| curveseed butterwort | Ceratocephala | CERAT3 | Ranunculaceae | Dicot |
| curveseed butterwort | Ceratocephala testiculata | CETE5 | Ranunculaceae | Dicot |
| Cusick"s bluegrass | Poa cusickii | POCU3 | Poaceae | Monocot |
| Cusick"s bluegrass | Poa cusickii ssp. pallida | POCUP3 | Poaceae | Monocot |
| cusp dodder | Cuscuta cuspidata | CUCU2 | Cuscutaceae | Dicot |
| cutgrass | Leersia | LEERS | Poaceae | Monocot |
| cutleaf anemone | Pulsatilla patens ssp. multifida | PUPAM | Ranunculaceae | Dicot |
| cutleaf coneflower | Rudbeckia laciniata | RULA3 | Asteraceae | Dicot |
| cutleaf coneflower | Rudbeckia laciniata var. ampla | RULAA | Asteraceae | Dicot |
| cutleaf coneflower | Rudbeckia laciniata var. laciniata | RULAL | Asteraceae | Dicot |
| cutleaf daisy | Erigeron compositus | ERCO4 | Asteraceae | Dicot |
| cutleaf evening primrose | Oenothera laciniata | OELA | Onagraceae | Dicot |
| cutleaf nightshade | Solanum triflorum | SOTR | Solanaceae | Dicot |
| cutleaf toothwort | Cardamine concatenata | CACO26 | Brassicaceae | Dicot |
| cutleaf watermilfoil | Myriophyllum pinnatum | MYPI | Haloragaceae | Dicot |
| cutleaf waterparsnip | Berula erecta | BEER | Apiaceae | Dicot |
| cycloloma | Cycloloma | CYCLO | Chenopodiaceae | Dicot |
| cypress spurge | Euphorbia cyparissias | EUCY2 | Euphorbiaceae | Dicot |
| cypress-like sedge | Carex pseudocyperus | CAPS | Cyperaceae | Monocot |
| Dahurian buckthorn | Rhamnus davurica | RHDA | Rhamnaceae | Dicot |
| Dahurian buckthorn | Rhamnus davurica ssp. davurica | RHDAD2 | Rhamnaceae | Dicot |
| daisy | Leucanthemum | LEUCA4 | Asteraceae | Dicot |
| Dakota gentian | Gentiana andrewsii var. dakotica | GEAND | Gentianaceae | Dicot |
| Dalmatian toadflax | Linaria dalmatica | LIDA | Scrophulariaceae | Dicot |
| Dalmatian toadflax | Linaria dalmatica ssp. dalmatica | LIDAD | Scrophulariaceae | Dicot |
| dames rocket | Hesperis matronalis | HEMA3 | Brassicaceae | Dicot |
| dandelion | Taraxacum | TARAX | Asteraceae | Dicot |
| Dane"s blood | Campanula glomerata | CAGL2 | Campanulaceae | Dicot |
| darkthroat shootingstar | Dodecatheon pulchellum | DOPU | Primulaceae | Dicot |
| darkthroat shootingstar | Dodecatheon pulchellum ssp. pulchellum | DOPUP2 | Primulaceae | Dicot |
| Darlington oak | Quercus ×heterophylla | QUHE | Fagaceae | Dicot |
| Darnel ryegrass | Lolium temulentum | LOTE2 | Poaceae | Monocot |
| Darnel ryegrass | Lolium temulentum ssp. temulentum | LOTET | Poaceae | Monocot |
| Davis" sedge | Carex davisii | CADA | Cyperaceae | Monocot |
| dayflower | Commelina | COMME | Commelinaceae | Monocot |
| deadly nightshade | Solanum interius | SOIN2 | Solanaceae | Dicot |
| deadnettle | Lamium | LAMIU | Lamiaceae | Dicot |
| deathcamas | Zigadenus | ZIGAD | Liliaceae | Monocot |
| deer sedge | Carex hallii | CAHA3 | Cyperaceae | Monocot |
| desert biscuitroot | Lomatium foeniculaceum | LOFO | Apiaceae | Dicot |
| desert biscuitroot | Lomatium foeniculaceum ssp. foeniculaceum | LOFOF2 | Apiaceae | Dicot |
| desert goosefoot | Chenopodium pratericola | CHPR5 | Chenopodiaceae | Dicot |
| desert madwort | Alyssum desertorum | ALDE | Brassicaceae | Dicot |
| desert madwort | Alyssum desertorum var. desertorum | ALDED | Brassicaceae | Dicot |
| desert princesplume | Stanleya pinnata | STPI | Brassicaceae | Dicot |
| desert princesplume | Stanleya pinnata var. pinnata | STPIP | Brassicaceae | Dicot |
| desert ragwort | Senecio eremophilus | SEER2 | Asteraceae | Dicot |
| desert ragwort | Senecio eremophilus var. eremophilus | SEERE | Asteraceae | Dicot |
| desert wheatgrass | Agropyron desertorum | AGDE2 | Poaceae | Monocot |
| desert wirelettuce | Stephanomeria runcinata | STRU3 | Asteraceae | Dicot |
| desert-thorn | Lycium | LYCIU | Solanaceae | Dicot |
| desertparsley | Lomatium | LOMAT | Apiaceae | Dicot |
| devil"s beggartick | Bidens frondosa | BIFR | Asteraceae | Dicot |
| devil"s darning needles | Clematis virginiana | CLVI5 | Ranunculaceae | Dicot |
| Dewey sedge | Carex deweyana | CADE9 | Cyperaceae | Monocot |
| Dewey sedge | Carex deweyana var. deweyana | CADED4 | Cyperaceae | Monocot |
| dill | Anethum | ANETH | Apiaceae | Dicot |
| dill | Anethum graveolens | ANGR2 | Apiaceae | Dicot |
| dioecious sedge | Carex sterilis | CAST16 | Cyperaceae | Monocot |
| disc mayweed | Matricaria discoidea | MADI6 | Asteraceae | Dicot |
| disk waterhyssop | Bacopa rotundifolia | BARO | Scrophulariaceae | Dicot |
| distaff thistle | Carthamus | CARTH | Asteraceae | Dicot |
| ditch stonecrop | Penthorum sedoides | PESE6 | Crassulaceae | Dicot |
| diverseglume wildrye | Elymus diversiglumis | ELDI3 | Poaceae | Monocot |
| dock | Rumex | RUMEX | Polygonaceae | Dicot |
| dodder | Cuscuta | CUSCU | Cuscutaceae | Dicot |
| dogbane | Apocynum | APOCY | Apocynaceae | Dicot |
| dogmustard | Erucastrum | ERUCA2 | Brassicaceae | Dicot |
| dogwood | Cornus | CORNU | Cornaceae | Dicot |
| doll"s daisy | Boltonia | BOLTO | Asteraceae | Dicot |
| dooryard dock | Rumex longifolius | RULO2 | Polygonaceae | Dicot |
| dotted blazing star | Liatris punctata | LIPU | Asteraceae | Dicot |
| dotted blazing star | Liatris punctata var. punctata | LIPUP | Asteraceae | Dicot |
| dotted lichen | Bacidia | BACID | Bacidiaceae | Lichen |
| dotted smartweed | Polygonum punctatum | POPU5 | Polygonaceae | Dicot |
| dotted smartweed | Polygonum punctatum var. confertiflorum | POPUC2 | Polygonaceae | Dicot |
| double twinpod | Physaria brassicoides | PHBR5 | Brassicaceae | Dicot |
| doubtful knight"s-spur | Consolida ajacis | COAJ | Ranunculaceae | Dicot |
| Douglas" dustymaiden | Chaenactis douglasii | CHDO | Asteraceae | Dicot |
| Douglas" dustymaiden | Chaenactis douglasii var. douglasii | CHDOD | Asteraceae | Dicot |
| Douglas" knotweed | Polygonum douglasii | PODO4 | Polygonaceae | Dicot |
| Douglas" sedge | Carex douglasii | CADO2 | Cyperaceae | Monocot |
| downy arrowwood | Viburnum rafinesqueanum | VIRA | Caprifoliaceae | Dicot |
| downy gentian | Gentiana puberulenta | GEPU5 | Gentianaceae | Dicot |
| downy hawthorn | Crataegus mollis | CRMO2 | Rosaceae | Dicot |
| downy paintedcup | Castilleja sessiliflora | CASE5 | Scrophulariaceae | Dicot |
| downy phlox | Phlox pilosa | PHPI | Polemoniaceae | Dicot |
| downy phlox | Phlox pilosa ssp. fulgida | PHPIF2 | Polemoniaceae | Dicot |
| downy yellow violet | Viola pubescens | VIPU3 | Violaceae | Dicot |
| downy yellow violet | Viola pubescens var. pubescens | VIPUP2 | Violaceae | Dicot |
| draba | Draba | DRABA | Brassicaceae | Dicot |
| dragonhead | Dracocephalum | DRACO | Lamiaceae | Dicot |
| drooping woodreed | Cinna latifolia | CILA2 | Poaceae | Monocot |
| dropseed | Sporobolus | SPORO | Poaceae | Monocot |
| Drummond"s campion | Silene drummondii | SIDR | Caryophyllaceae | Dicot |
| Drummond"s campion | Silene drummondii var. drummondii | SIDRD | Caryophyllaceae | Dicot |
| Drummond"s false pennyroyal | Hedeoma drummondii | HEDR | Lamiaceae | Dicot |
| Drummond"s halfchaff sedge | Lipocarpha drummondii | LIDR3 | Cyperaceae | Monocot |
| Drummond"s milkvetch | Astragalus drummondii | ASDR3 | Fabaceae | Dicot |
| Drummond"s rockcress | Arabis drummondii | ARDR | Brassicaceae | Dicot |
| dryspike sedge | Carex siccata | CASI12 | Cyperaceae | Monocot |
| duckmeat | Spirodela | SPIRO | Lemnaceae | Monocot |
| duckweed | Lemna | LEMNA | Lemnaceae | Monocot |
| Dudley"s rush | Juncus dudleyi | JUDU2 | Juncaceae | Monocot |
| dutchman"s breeches | Dicentra cucullaria | DICU | Fumariaceae | Dicot |
| dwarf false indigo | Amorpha nana | AMNA | Fabaceae | Dicot |
| dwarf gentian | Gentianella | GENTI2 | Gentianaceae | Dicot |
| dwarf horseweed | Conyza ramosissima | CORA4 | Asteraceae | Dicot |
| dwarf mentzelia | Mentzelia pumila | MEPU3 | Loasaceae | Dicot |
| dwarf mentzelia | Mentzelia pumila var. pumila | MEPUP | Loasaceae | Dicot |
| dwarf morning-glory | Evolvulus | EVOLV | Convolvulaceae | Dicot |
| dwarf peashrub | Caragana aurantiaca | CAAU10 | Fabaceae | Dicot |
| dwarf red blackberry | Rubus pubescens | RUPU | Rosaceae | Dicot |
| dwarf red blackberry | Rubus pubescens var. pubescens | RUPUP2 | Rosaceae | Dicot |
| dwarf scouringrush | Equisetum scirpoides | EQSC | Equisetaceae | Horsetail |
| dwarf snapdragon | Chaenorhinum | CHAEN7 | Scrophulariaceae | Dicot |
| dwarf snapdragon | Chaenorhinum minus | CHMI | Scrophulariaceae | Dicot |
| dwarf spikerush | Eleocharis parvula | ELPA5 | Cyperaceae | Monocot |
| dysphania | Dysphania | DYSPH | Chenopodiaceae | Dicot |
| dyssodia | Dyssodia | DYSSO | Asteraceae | Dicot |
| early meadow-rue | Thalictrum dioicum | THDI | Ranunculaceae | Dicot |
| early wildrye | Elymus macgregorii | ELMA | Poaceae | Monocot |
| earlyleaf brome | Bromus latiglumis | BRLA4 | Poaceae | Monocot |
| earthsmoke | Fumaria vaillantii | FUVA | Fumariaceae | Dicot |
| eastern bottlebrush grass | Elymus hystrix | ELHY | Poaceae | Monocot |
| eastern bottlebrush grass | Elymus hystrix var. bigeloviana | ELHYB | Poaceae | Monocot |
| eastern bottlebrush grass | Elymus hystrix var. hystrix | ELHYH | Poaceae | Monocot |
| eastern cottonwood | Populus deltoides | PODE3 | Salicaceae | Dicot |
| eastern daisy fleabane | Erigeron annuus | ERAN | Asteraceae | Dicot |
| eastern leatherwood | Dirca palustris | DIPA9 | Thymelaeaceae | Dicot |
| eastern marsh fern | Thelypteris palustris | THPA | Thelypteridaceae | Fern |
| eastern marsh fern | Thelypteris palustris var. pubescens | THPAP | Thelypteridaceae | Fern |
| eastern pasqueflower | Pulsatilla patens | PUPA5 | Ranunculaceae | Dicot |
| eastern prickly gooseberry | Ribes cynosbati | RICY | Grossulariaceae | Dicot |
| eastern redcedar | Juniperus virginiana | JUVI | Cupressaceae | Gymnosperm |
| eastern redcedar | Juniperus virginiana var. virginiana | JUVIV | Cupressaceae | Gymnosperm |
| eastern star sedge | Carex radiata | CARA8 | Cyperaceae | Monocot |
| eastern wahoo | Euonymus atropurpureus var. atropurpureus | EUATA2 | Celastraceae | Dicot |
| eastern waterleaf | Hydrophyllum virginianum | HYVI | Hydrophyllaceae | Dicot |
| eastern waterleaf | Hydrophyllum virginianum var. virginianum | HYVIV | Hydrophyllaceae | Dicot |
| eastern woodland sedge | Carex blanda | CABL | Cyperaceae | Monocot |
| echinocystis | Echinocystis | ECHIN5 | Cucurbitaceae | Dicot |
| eelgrass | Vallisneria | VALLI | Hydrocharitaceae | Monocot |
| elderberry | Sambucus | SAMBU | Caprifoliaceae | Dicot |
| elegant cinquefoil | Potentilla concinna | POCO13 | Rosaceae | Dicot |
| elegant cinquefoil | Potentilla concinna var. concinna | POCOC3 | Rosaceae | Dicot |
| elk sedge | Carex garberi | CAGA3 | Cyperaceae | Monocot |
| elliptical buttercup | Ranunculus glaberrimus var. ellipticus | RAGLE | Ranunculaceae | Dicot |
| ellisia | Ellisia | ELLIS | Hydrophyllaceae | Dicot |
| elm | Ulmus | ULMUS | Ulmaceae | Dicot |
| elsholtzia | Elsholtzia | ELSHO | Lamiaceae | Dicot |
| Emory"s sedge | Carex emoryi | CAEM2 | Cyperaceae | Monocot |
| enchanter"s nightshade | Circaea | CIRCA | Onagraceae | Dicot |
| endolepis | Endolepis | ENDOL | Chenopodiaceae | Dicot |
| Engelmann"s spikerush | Eleocharis engelmannii | ELEN | Cyperaceae | Monocot |
| entireleaved thelypody | Thelypodium integrifolium | THIN | Brassicaceae | Dicot |
| entireleaved thelypody | Thelypodium integrifolium ssp. integrifolium | THINI | Brassicaceae | Dicot |
| erect brome | Bromus erectus | BRER3 | Poaceae | Monocot |
| Eurasian watermilfoil | Myriophyllum spicatum | MYSP2 | Haloragaceae | Dicot |
| European bur-reed | Sparganium emersum | SPEM2 | Sparganiaceae | Monocot |
| European cranberrybush | Viburnum opulus | VIOP | Caprifoliaceae | Dicot |
| European gooseberry | Ribes uva-crispa | RIUV80 | Grossulariaceae | Dicot |
| European gooseberry | Ribes uva-crispa var. sativum | RIUVS | Grossulariaceae | Dicot |
| European mountain ash | Sorbus aucuparia | SOAU | Rosaceae | Dicot |
| European stickseed | Lappula squarrosa | LASQ | Boraginaceae | Dicot |
| evening primrose | Oenothera | OENOT | Onagraceae | Dicot |
| eyebane | Chamaesyce nutans | CHNU9 | Euphorbiaceae | Dicot |
| fairybells | Prosartes | PROSA | Liliaceae | Monocot |
| fall rosette grass | Dichanthelium wilcoxianum | DIWI5 | Poaceae | Monocot |
| false agoseris | Agoseris glauca var. laciniata | AGGLL | Asteraceae | Dicot |
| false asphodel | Triantha | TRIAN2 | Liliaceae | Monocot |
| false bindweed | Calystegia | CALYS | Convolvulaceae | Dicot |
| false boneset | Brickellia eupatorioides | BREU | Asteraceae | Dicot |
| false boneset | Brickellia eupatorioides var. corymbulosa | BREUC | Asteraceae | Dicot |
| false buffalograss | Munroa | MUNRO3 | Poaceae | Monocot |
| false buffalograss | Munroa squarrosa | MUSQ3 | Poaceae | Monocot |
| false dandelion | Nothocalais | NOTHO5 | Asteraceae | Dicot |
| false flax | Camelina | CAMEL | Brassicaceae | Dicot |
| false foxglove | Agalinis | AGALI | Scrophulariaceae | Dicot |
| false goldenaster | Heterotheca | HETER8 | Asteraceae | Dicot |
| false indigo | Amorpha | AMORP | Fabaceae | Dicot |
| false indigo bush | Amorpha fruticosa | AMFR | Fabaceae | Dicot |
| false madwort | Berteroa | BERTE | Brassicaceae | Dicot |
| false melic | Schizachne | SCHIZ | Poaceae | Monocot |
| false melic | Schizachne purpurascens | SCPU | Poaceae | Monocot |
| false mermaidweed | Floerkea proserpinacoides | FLPR | Limnanthaceae | Dicot |
| false pennyroyal | Hedeoma | HEDEO | Lamiaceae | Dicot |
| false pimpernel | Lindernia | LINDE | Scrophulariaceae | Dicot |
| falsegold groundsel | Packera pseudaurea | PAPS5 | Asteraceae | Dicot |
| falsegold groundsel | Packera pseudaurea var. semicordata | PAPSS | Asteraceae | Dicot |
| feather fingergrass | Chloris virgata | CHVI4 | Poaceae | Monocot |
| feathered pink | Dianthus plumarius | DIPL | Caryophyllaceae | 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 |
| feathery false lily of the valley | Maianthemum racemosum ssp. racemosum | MARAR | Liliaceae | Monocot |
| fen grass of Parnassus | Parnassia glauca | PAGL3 | Saxifragaceae | Dicot |
| Fendler threeawn | Aristida purpurea var. longiseta | ARPUL | Poaceae | Monocot |
| Fendler"s threeawn | Aristida purpurea var. fendleriana | ARPUF | Poaceae | Monocot |
| Fernald"s yellowcress | Rorippa palustris ssp. fernaldiana | ROPAF2 | Brassicaceae | Dicot |
| fescue | Schedonorus | SCHED2 | Poaceae | Monocot |
| fescue | Festuca | FESTU | Poaceae | Monocot |
| fescue | Vulpia | VULPI | Poaceae | Monocot |
| fetid marigold | Dyssodia papposa | DYPA | Asteraceae | Dicot |
| fewflower buckwheat | Eriogonum pauciflorum | ERPA9 | Polygonaceae | Dicot |
| fewflower buckwheat | Eriogonum pauciflorum var. pauciflorum | ERPAP6 | Polygonaceae | Dicot |
| fewflower spikerush | Eleocharis quinqueflora | ELQU2 | Cyperaceae | Monocot |
| fiddleleaf hawksbeard | Crepis runcinata | CRRU3 | Asteraceae | Dicot |
| fiddleleaf hawksbeard | Crepis runcinata ssp. runcinata | CRRUR | Asteraceae | Dicot |
| fiddleneck | Amsinckia | AMSIN | Boraginaceae | Dicot |
| field bindweed | Convolvulus arvensis | COAR4 | Convolvulaceae | Dicot |
| field brome | Bromus arvensis | BRAR5 | Poaceae | Monocot |
| field chickweed | Cerastium arvense | CEAR4 | Caryophyllaceae | Dicot |
| field chickweed | Cerastium arvense ssp. strictum | CEARS2 | Caryophyllaceae | Dicot |
| field clover | Trifolium campestre | TRCA5 | Fabaceae | Dicot |
| field dock | Rumex pseudonatronatus | RUPS | Polygonaceae | Dicot |
| field horsetail | Equisetum arvense | EQAR | Equisetaceae | Horsetail |
| field horsetail | Equisetum ×ferrissii | EQFE | Equisetaceae | Horsetail |
| field locoweed | Oxytropis campestris | OXCA4 | Fabaceae | Dicot |
| field locoweed | Oxytropis campestris var. dispar | OXCAD | Fabaceae | Dicot |
| field locoweed | Oxytropis campestris var. spicata | OXCAS3 | 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 pussytoes | Antennaria neglecta | ANNE | Asteraceae | Dicot |
| field sagewort | Artemisia campestris | ARCA12 | Asteraceae | Dicot |
| field sagewort | Artemisia campestris ssp. caudata | ARCAC | Asteraceae | Dicot |
| field scabiosa | Knautia arvensis | KNAR | Dipsacaceae | Dicot |
| field sowthistle | Sonchus arvensis | SOAR2 | Asteraceae | Dicot |
| field sowthistle | Sonchus arvensis ssp. arvensis | SOARA2 | Asteraceae | Dicot |
| field thistle | Cirsium discolor | CIDI | Asteraceae | Dicot |
| figwort | Scrophularia | SCROP | Scrophulariaceae | Dicot |
| finebranched popcornflower | Plagiobothrys leptocladus | PLLE | Boraginaceae | Dicot |
| fineleaf hymenopappus | Hymenopappus filifolius | HYFI | Asteraceae | Dicot |
| fineleaf pondweed | Stuckenia filiformis | STFI6 | Potamogetonaceae | Monocot |
| fineleaf pondweed | Stuckenia filiformis ssp. alpina | STFIA2 | Potamogetonaceae | Monocot |
| fireberry hawthorn | Crataegus chrysocarpa | CRCH | Rosaceae | Dicot |
| fireweed | Chamerion | CHAME2 | Onagraceae | Dicot |
| fireweed | Chamerion angustifolium | CHAN9 | Onagraceae | Dicot |
| fireweed | Chamerion angustifolium ssp. circumvagum | CHANC | Onagraceae | Dicot |
| fissidens moss | Fissidens | FISSI2 | Fissidentaceae | Moss |
| fiveangled dodder | Cuscuta pentagona | CUPE3 | Cuscutaceae | Dicot |
| fiveangled dodder | Cuscuta pentagona var. pentagona | CUPEP2 | Cuscutaceae | Dicot |
| flameflower | Phemeranthus | PHEME | Portulacaceae | Dicot |
| flat-top goldentop | Euthamia graminifolia | EUGR5 | Asteraceae | Dicot |
| flat-top goldentop | Euthamia graminifolia var. graminifolia | EUGRG | Asteraceae | Dicot |
| flatleaf bladderwort | Utricularia intermedia | UTIN2 | Lentibulariaceae | Dicot |
| flatsedge | Cyperus | CYPER | Cyperaceae | Monocot |
| flatspine bur ragweed | Ambrosia acanthicarpa | AMAC2 | Asteraceae | Dicot |
| flatspine stickseed | Lappula occidentalis | LAOC3 | Boraginaceae | Dicot |
| flatspine stickseed | Lappula occidentalis var. cupulata | LAOCC | Boraginaceae | Dicot |
| flatspine stickseed | Lappula occidentalis var. occidentalis | LAOCO | Boraginaceae | Dicot |
| flatstem pondweed | Potamogeton zosteriformis | POZO | Potamogetonaceae | Monocot |
| flatstem spikerush | Eleocharis compressa | ELCO2 | Cyperaceae | Monocot |
| flatstem spikerush | Eleocharis compressa var. compressa | ELCOC2 | Cyperaceae | Monocot |
| flax | Linum | LINUM | Linaceae | Dicot |
| fleabane | Erigeron | ERIGE2 | Asteraceae | Dicot |
| fleshy hawthorn | Crataegus succulenta | CRSU5 | Rosaceae | Dicot |
| fleshy starwort | Stellaria crassifolia | STCR | Caryophyllaceae | Dicot |
| fleshy starwort | Stellaria crassifolia var. crassifolia | STCRC | Caryophyllaceae | Dicot |
| flexile milkvetch | Astragalus flexuosus | ASFL2 | Fabaceae | Dicot |
| flexile milkvetch | Astragalus flexuosus var. flexuosus | ASFLF | Fabaceae | Dicot |
| floating pondweed | Potamogeton natans | PONA4 | Potamogetonaceae | Monocot |
| Flodman"s thistle | Cirsium flodmanii | CIFL | Asteraceae | Dicot |
| floerkea | Floerkea | FLOER | Limnanthaceae | Dicot |
| flower of an hour | Hibiscus trionum | HITR | Malvaceae | Dicot |
| flowering rush | Butomus umbellatus | BUUM | Butomaceae | Monocot |
| foothill arnica | Arnica fulgens | ARFU3 | Asteraceae | Dicot |
| foothill bladderpod | Lesquerella ludoviciana | LELU | Brassicaceae | Dicot |
| forked catchfly | Silene dichotoma | SIDI2 | Caryophyllaceae | Dicot |
| forked threeawn | Aristida basiramea | ARBA2 | Poaceae | Monocot |
| fountaingrass | Pennisetum | PENNI | Poaceae | Monocot |
| four o"clock | Mirabilis | MIRAB | Nyctaginaceae | Dicot |
| four-nerve daisy | Tetraneuris | TETRA17 | Asteraceae | Dicot |
| fourflower yellow loosestrife | Lysimachia quadriflora | LYQU | Primulaceae | Dicot |
| fourpoint evening primrose | Oenothera rhombipetala | OERH | Onagraceae | Dicot |
| fourwing saltbush | Atriplex canescens | ATCA2 | Chenopodiaceae | Dicot |
| fourwing saltbush | Atriplex canescens var. canescens | ATCAC | Chenopodiaceae | Dicot |
| fowl bluegrass | Poa palustris | POPA2 | Poaceae | Monocot |
| fowl mannagrass | Glyceria striata | GLST | Poaceae | Monocot |
| fox sedge | Carex vulpinoidea | CAVU2 | Cyperaceae | Monocot |
| fox sedge | Carex vulpinoidea var. vulpinoidea | CAVUV | Cyperaceae | Monocot |
| foxtail | Alopecurus | ALOPE | Poaceae | Monocot |
| foxtail barley | Hordeum jubatum | HOJU | Poaceae | Monocot |
| foxtail barley | Hordeum jubatum ssp. jubatum | HOJUJ | Poaceae | Monocot |
| foxtail cactus | Escobaria | ESCOB | Cactaceae | Dicot |
| foxtail millet | Setaria italica | SEIT | Poaceae | Monocot |
| foxtail prairie clover | Dalea leporina | DALE3 | Fabaceae | Dicot |
| foxtail sedge | Carex alopecoidea | CAAL8 | Cyperaceae | Monocot |
| fragrant bedstraw | Galium triflorum | GATR3 | Rubiaceae | Dicot |
| fragrant flatsedge | Cyperus odoratus | CYOD | Cyperaceae | Monocot |
| Fremont"s goosefoot | Chenopodium fremontii | CHFR3 | Chenopodiaceae | Dicot |
| Fries" pondweed | Potamogeton friesii | POFR3 | Potamogetonaceae | Monocot |
| fringed brome | Bromus ciliatus | BRCI2 | Poaceae | Monocot |
| fringed brome | Bromus ciliatus var. ciliatus | BRCIC3 | Poaceae | Monocot |
| fringed gentian | Gentianopsis | GENTI3 | Gentianaceae | Dicot |
| fringed loosestrife | Lysimachia ciliata | LYCI | Primulaceae | Dicot |
| fringed orchid | Platanthera | PLATA2 | Orchidaceae | Monocot |
| fringed willowherb | Epilobium ciliatum | EPCI | Onagraceae | Dicot |
| fringed willowherb | Epilobium ciliatum ssp. ciliatum | EPCIC | Onagraceae | Dicot |
| fritillary | Fritillaria | FRITI | Liliaceae | Monocot |
| frostweed | Helianthemum | HELIA2 | Cistaceae | Dicot |
| fumewort | Corydalis | CORYD | Fumariaceae | Dicot |
| fumitory | Fumaria | FUMAR | Fumariaceae | Dicot |
| fuzzybean | Strophostyles | STROP | Fabaceae | Dicot |
| fuzzytongue penstemon | Penstemon eriantherus | PEER | Scrophulariaceae | Dicot |
| fuzzytongue penstemon | Penstemon eriantherus var. eriantherus | PEERE | Scrophulariaceae | Dicot |
| gallant soldier | Galinsoga | GALIN | Asteraceae | Dicot |
| gallant soldier | Galinsoga parviflora | GAPA2 | Asteraceae | Dicot |
| garden asparagus | Asparagus officinalis | ASOF | Liliaceae | Monocot |
| garden cornflower | Centaurea cyanus | CECY2 | Asteraceae | Dicot |
| garden lettuce | Lactuca sativa | LASA3 | Asteraceae | Dicot |
| garden orache | Atriplex hortensis | ATHO | Chenopodiaceae | Dicot |
| garden tomato | Solanum lycopersicum | SOLY2 | Solanaceae | Dicot |
| garden tomato | Solanum lycopersicum var. lycopersicum | SOLYL | Solanaceae | Dicot |
| garden vetch | Vicia sativa | VISA | Fabaceae | Dicot |
| garden vetch | Vicia sativa ssp. nigra | VISAN2 | Fabaceae | Dicot |
| garden yellowrocket | Barbarea vulgaris | BAVU | Brassicaceae | Dicot |
| gardencress pepperweed | Lepidium sativum | LESA2 | Brassicaceae | Dicot |
| Gardner"s saltbush | Atriplex gardneri | ATGA | Chenopodiaceae | Dicot |
| garlic mustard | Alliaria petiolata | ALPE4 | Brassicaceae | Dicot |
| gentian | Gentiana | GENTI | Gentianaceae | Dicot |
| geranium | Geranium | GERAN | Geraniaceae | Dicot |
| German chamomile | Matricaria recutita | MARE6 | Asteraceae | Dicot |
| German-madwort | Asperugo | ASPER | Boraginaceae | Dicot |
| German-madwort | Asperugo procumbens | ASPR | Boraginaceae | Dicot |
| germander | Teucrium | TEUCR | Lamiaceae | Dicot |
| Geyer"s aster | Symphyotrichum laeve var. geyeri | SYLAG | Asteraceae | Dicot |
| Geyer"s sandmat | Chamaesyce geyeri | CHGE2 | Euphorbiaceae | Dicot |
| Geyer"s sandmat | Chamaesyce geyeri var. geyeri | CHGEG | Euphorbiaceae | Dicot |
| giant goldenrod | Solidago gigantea | SOGI | Asteraceae | Dicot |
| giant hyssop | Agastache | AGAST | Lamiaceae | Dicot |
| giant red Indian paintbrush | Castilleja miniata | CAMI12 | Scrophulariaceae | Dicot |
| giant red Indian paintbrush | Castilleja miniata ssp. miniata | CAMIM5 | Scrophulariaceae | Dicot |
| glechoma | Glechoma | GLECH | Lamiaceae | Dicot |
| globemallow | Sphaeralcea | SPHAE | Malvaceae | Dicot |
| Gmelin"s buttercup | Ranunculus gmelinii | RAGM | Ranunculaceae | Dicot |
| goatgrass | Aegilops | AEGIL | Poaceae | Monocot |
| goatsbeard | Tragopogon | TRAGO | Asteraceae | Dicot |
| gold-of-pleasure | Camelina sativa | CASA2 | Brassicaceae | Dicot |
| gold-of-pleasure | Camelina sativa ssp. alyssum | CASAA | Brassicaceae | Dicot |
| gold-of-pleasure | Camelina sativa ssp. sativa | CASAS2 | Brassicaceae | Dicot |
| golden chamomile | Anthemis tinctoria | ANTI | Asteraceae | Dicot |
| golden crownbeard | Verbesina encelioides | VEEN | Asteraceae | Dicot |
| golden crownbeard | Verbesina encelioides ssp. exauriculata | VEENE2 | Asteraceae | Dicot |
| golden currant | Ribes aureum | RIAU | Grossulariaceae | Dicot |
| golden currant | Ribes aureum var. villosum | RIAUV | Grossulariaceae | Dicot |
| golden dock | Rumex maritimus | RUMA4 | Polygonaceae | Dicot |
| golden hedgehyssop | Gratiola aurea | GRAU | Scrophulariaceae | Dicot |
| golden sedge | Carex aurea | CAAU3 | Cyperaceae | Monocot |
| golden tickseed | Coreopsis tinctoria var. tinctoria | COTIT | Asteraceae | Dicot |
| golden tickseed | Coreopsis tinctoria | COTI3 | Asteraceae | Dicot |
| golden zizia | Zizia aurea | ZIAU | Apiaceae | Dicot |
| goldenbanner | Thermopsis | THERM | Fabaceae | Dicot |
| goldenbush | Ericameria | ERICA2 | Asteraceae | Dicot |
| goldenheather | Hudsonia | HUDSO | Cistaceae | Dicot |
| goldenrod | Oligoneuron | OLIGO3 | Asteraceae | Dicot |
| goldenrod | Solidago | SOLID | Asteraceae | Dicot |
| goldentop | Euthamia | EUTHA | Asteraceae | Dicot |
| goldenweed | Pyrrocoma | PYRRO | Asteraceae | Dicot |
| goosefoot | Chenopodium | CHENO | Chenopodiaceae | Dicot |
| goosegrass | Eleusine | ELEUS | Poaceae | Monocot |
| graceful sedge | Carex gracillima | CAGR2 | Cyperaceae | Monocot |
| grain sorghum | Sorghum bicolor ssp. bicolor | SOBIB | Poaceae | Monocot |
| grama | Bouteloua | BOUTE | Poaceae | Monocot |
| grand redstem | Ammannia robusta | AMRO3 | Lythraceae | Dicot |
| grape | Vitis | VITIS | Vitaceae | Dicot |
| grapefern | Botrychium | BOTRY | Ophioglossaceae | Fern |
| grass of Parnassus | Parnassia | PARNA | Saxifragaceae | Dicot |
| grass-like starwort | Stellaria graminea | STGR | Caryophyllaceae | Dicot |
| grassleaf mudplantain | Heteranthera dubia | HEDU2 | Pontederiaceae | Monocot |
| grassy deathcamas | Zigadenus venenosus var. gramineus | ZIVEG | Liliaceae | Monocot |
| gray alder | Alnus incana | ALIN2 | Betulaceae | Dicot |
| gray dogwood | Cornus racemosa | CORA6 | Cornaceae | Dicot |
| gray goldenrod | Solidago nemoralis | SONE | Asteraceae | Dicot |
| gray goldenrod | Solidago nemoralis var. longipetiolata | SONEL | Asteraceae | Dicot |
| gray goldenrod | Solidago nemoralis var. nemoralis | SONEN | Asteraceae | Dicot |
| grayleaf red raspberry | Rubus idaeus ssp. strigosus | RUIDS2 | Rosaceae | Dicot |
| greasewood | Sarcobatus | SARCO | Chenopodiaceae | Dicot |
| greasewood | Sarcobatus vermiculatus | SAVE4 | Chenopodiaceae | Dicot |
| great blue lobelia | Lobelia siphilitica | LOSI | Campanulaceae | Dicot |
| great blue lobelia | Lobelia siphilitica var. ludoviciana | LOSIL | Campanulaceae | Dicot |
| Great Plains bladderpod | Lesquerella arenosa | LEAR6 | Brassicaceae | Dicot |
| Great Plains bladderpod | Lesquerella arenosa var. arenosa | LEARA2 | Brassicaceae | Dicot |
| Great Plains lady"s tresses | Spiranthes magnicamporum | SPMA5 | Orchidaceae | Monocot |
| Great Plains stickseed | Lappula cenchrusoides | LACE | Boraginaceae | Dicot |
| Great Plains white fringed orchid | Platanthera praeclara | PLPR4 | Orchidaceae | Monocot |
| great ragweed | Ambrosia trifida | AMTR | Asteraceae | Dicot |
| great ragweed | Ambrosia trifida var. trifida | AMTRT2 | Asteraceae | Dicot |
| greater burdock | Arctium lappa | ARLA3 | Asteraceae | Dicot |
| greater creeping spearwort | Ranunculus flammula | RAFL2 | Ranunculaceae | Dicot |
| greater creeping spearwort | Ranunculus flammula var. flammula | RAFLF2 | Ranunculaceae | Dicot |
| greater fringed gentian | Gentianopsis crinita | GECR2 | Gentianaceae | Dicot |
| greater knapweed | Centaurea scabiosa | CESC2 | Asteraceae | Dicot |
| greater water dock | Rumex orbiculatus | RUOR2 | Polygonaceae | Dicot |
| greater water dock | Rumex orbiculatus var. borealis | RUORB | Polygonaceae | Dicot |
| greater water dock | Rumex orbiculatus var. orbiculatus | RUORO | Polygonaceae | Dicot |
| greater yellow lady"s slipper | Cypripedium parviflorum var. makasin | CYPAM3 | Orchidaceae | Monocot |
| greater yellow lady"s slipper | Cypripedium parviflorum var. pubescens | CYPAP3 | Orchidaceae | Monocot |
| green ash | Fraxinus pennsylvanica | FRPE | Oleaceae | Dicot |
| green bristlegrass | Setaria viridis | SEVI4 | Poaceae | Monocot |
| green bristlegrass | Setaria viridis var. viridis | SEVIV | Poaceae | Monocot |
| green bulrush | Scirpus atrovirens | SCAT2 | Cyperaceae | Monocot |
| green carpetweed | Mollugo verticillata | MOVE | Molluginaceae | Dicot |
| green comet milkweed | Asclepias viridiflora | ASVI | Asclepiadaceae | Dicot |
| green needlegrass | Nassella viridula | NAVI4 | Poaceae | Monocot |
| greenbrier | Smilax | SMILA2 | Smilacaceae | Monocot |
| Greene"s mountain ash | Sorbus scopulina | SOSC2 | Rosaceae | Dicot |
| Greene"s mountain ash | Sorbus scopulina var. scopulina | SOSCS | Rosaceae | Dicot |
| greenthread | Thelesperma | THELE | Asteraceae | Dicot |
| grimmia dry rock moss | Grimmia | GRIMM2 | Grimmiaceae | Moss |
| grooved flax | Linum sulcatum | LISU4 | Linaceae | Dicot |