| Abies balsamea | Abies balsamea var. balsamea | Acalypha rhomboidea | Acer ginnala | Acer rubrum |
| Acer rubrum var. rubrum | Acer saccharum | Acer saccharum var. saccharum | Achillea millefolium | Achillea millefolium var. occidentalis |
| Adoxa moschatellina | Agalinis paupercula | Agalinis paupercula var. borealis | Agalinis tenuifolia | Agastache scrophulariifolia |
| Ageratina altissima | Ageratina altissima var. altissima | Agrimonia gryposepala | Agrimonia striata | Agrostis gigantea |
| Agrostis hyemalis | Agrostis scabra | Alisma subcordatum | Allium cernuum | Allium cernuum var. cernuum |
| Allium schoenoprasum | Allium schoenoprasum var. schoenoprasum | Alnus incana | Alnus incana ssp. rugosa | Alopecurus aequalis |
| Alopecurus aequalis var. aequalis | Amaranthus retroflexus | Ambrosia artemisiifolia | Ambrosia artemisiifolia var. elatior | Ambrosia trifida |
| Ambrosia trifida var. trifida | Amelanchier stolonifera | Amorpha canescens | Amphicarpaea bracteata | Anaphalis margaritacea |
| Andropogon gerardi | Anemone caroliniana | Anemone cylindrica | Angelica atropurpurea | Antennaria howellii |
| Antennaria howellii ssp. neodioica | Antennaria parlinii | Antennaria parlinii ssp. fallax | Apocynum androsaemifolium | Aquilegia canadensis |
| Arabis laevigata | Arabis laevigata var. laevigata | Arabidopsis lyrata | Aralia nudicaulis | Aralia racemosa |
| Aralia racemosa ssp. racemosa | Arctostaphylos uva-ursi | Arisaema triphyllum | Arisaema triphyllum ssp. triphyllum | Aristida basiramea |
| Aristida tuberculosa | Arnoglossum reniforme | Aronia x prunifolia | Artemisia campestris | Artemisia campestris ssp. caudata |
| Artemisia ludoviciana | Artemisia ludoviciana ssp. ludoviciana | Asclepias amplexicaulis | Asclepias exaltata | Asclepias incarnata |
| Asclepias incarnata ssp. incarnata | Asclepias ovalifolia | Asclepias syriaca | Asclepias tuberosa | Asclepias tuberosa ssp. interior |
| Asclepias verticillata | Asclepias viridiflora | Asparagus officinalis | Aureolaria pedicularia | Baptisia bracteata |
| Baptisia bracteata var. leucophaea | Bartonia virginica | Betula nigra | Betula papyrifera | Bidens cernua |
| Bouteloua curtipendula | Bouteloua curtipendula var. curtipendula | Bouteloua hirsuta | Bouteloua hirsuta var. hirsuta | Brachyelytrum aristosum |
| Brachyelytrum erectum | Bromus arvensis | Bromus ciliatus | Bromus ciliatus var. ciliatus | Bromus inermis |
| Bromus inermis ssp. inermis | Bromus inermis ssp. inermis var. inermis | Bromus latiglumis | Calamagrostis canadensis | Calamagrostis canadensis var. canadensis |
| Calystegia sepium | Campanula aparinoides | Campanula rapunculoides | Campanula rotundifolia | Campanulastrum americanum |
| Cannabis sativa | Cannabis sativa ssp. sativa | Cardamine pensylvanica | Carex annectens | Carex bicknellii |
| Carex blanda | Carex brevior | Carex bromoides | Carex bromoides ssp. bromoides | Carex canescens |
| Carex comosa | Carex crawfordii | Carex crinita | Carex crinita var. crinita | Carex debilis |
| Carex debilis var. rudgei | Carex diandra | Carex emoryi | Carex gracillima | Carex gynandra |
| Carex hystericina | Carex intumescens | Carex lacustris | Carex lasiocarpa | Carex lasiocarpa var. americana |
| Carex lupulina | Carex lurida | Carex muehlenbergii | Carex muehlenbergii var. muehlenbergii | Carex normalis |
| Carex pellita | Carex pensylvanica | Carex praegracilis | Carex projecta | Carex radiata |
| Carex scabrata | Carex scoparia | Carex scoparia var. scoparia | Carex siccata | Carex sprengelii |
| Carex stipata | Carex stipata var. stipata | Carex tenera | Carex tribuloides | Carex tribuloides var. tribuloides |
| Carex trisperma | Carex trisperma var. trisperma | Carex tuckermanii | Carex utriculata | Carex vesicaria |
| Carex vulpinoidea | Carex vulpinoidea var. vulpinoidea | Carum carvi | Carya cordiformis | Castilleja coccinea |
| Caulophyllum thalictroides | Ceanothus herbaceus | Celastrus scandens | Celtis occidentalis | Cenchrus longispinus |
| Cephalanthus occidentalis | Cerastium arvense | Cerastium arvense ssp. arvense | Cerastium fontanum | Cerastium fontanum ssp. vulgare |
| Ceratophyllum demersum | Chamaecrista fasciculata | Chamaecrista fasciculata var. fasciculata | Chamaesyce maculata | Chamerion angustifolium |
| Chamerion angustifolium ssp. circumvagum | Chelone glabra | Chenopodium album | Chenopodium simplex | Chimaphila umbellata |
| Chimaphila umbellata ssp. cisatlantica | Cinna arundinacea | Cinna latifolia | Cirsium discolor | Cirsium hillii |
| Clintonia borealis | Comandra umbellata | Comandra umbellata ssp. umbellata | Commelina communis | Conyza canadensis |
| Conyza canadensis var. canadensis | Coreopsis palmata | Cornus alternifolia | Cornus canadensis | Cornus obliqua |
| Cornus racemosa | Cornus sericea | Cornus sericea ssp. sericea | Corylus americana | Crataegus macrosperma |
| Cryptotaenia canadensis | Cycloloma atriplicifolium | Cyperus bipartitus | Cyperus esculentus | Cyperus esculentus var. leptostachyus |
| Cyperus houghtonii | Cyperus lupulinus | Cyperus lupulinus ssp. macilentus | Cyperus schweinitzii | Cyperus strigosus |
| Cypripedium parviflorum | Cypripedium parviflorum var. pubescens | Dalea candida | Dalea candida var. candida | Dalea purpurea |
| Dalea purpurea var. purpurea | Danthonia spicata | Delphinium carolinianum | Delphinium carolinianum ssp. virescens | Desmodium glutinosum |
| Diarrhena obovata | Dichanthelium oligosanthes | Dichanthelium oligosanthes var. scribnerianum | Dichanthelium villosissimum | Dichanthelium villosissimum var. praecocius |
| Diervilla lonicera | Digitaria cognata | Digitaria ischaemum | Digitaria sanguinalis | Echinochloa crus-galli |
| Echinocystis lobata | Eleocharis acicularis | Eleocharis acicularis var. acicularis | Eleocharis obtusa | Eleocharis palustris |
| Elodea canadensis | Elodea nuttallii | Elymus canadensis | Elymus lanceolatus | Elymus lanceolatus ssp. lanceolatus |
| Elymus trachycaulus | Elymus trachycaulus ssp. trachycaulus | Elymus virginicus | Elymus virginicus var. virginicus | Elymus wiegandii |
| Epigaea repens | Epilobium ciliatum | Epilobium ciliatum ssp. ciliatum | Epilobium coloratum | Equisetum x ferrissii |
| Equisetum arvense | Equisetum fluviatile | Equisetum hyemale | Equisetum hyemale var. affine | Equisetum laevigatum |
| Equisetum pratense | Equisetum scirpoides | Equisetum sylvaticum | Eragrostis cilianensis | Eragrostis pectinacea |
| Eragrostis pectinacea var. pectinacea | Eragrostis spectabilis | Erigeron strigosus | Erigeron strigosus var. strigosus | Erucastrum gallicum |
| Eupatorium perfoliatum | Eupatorium perfoliatum var. perfoliatum | Euphorbia corollata | Eurybia macrophylla | Euthamia graminifolia |
| Euthamia graminifolia var. graminifolia | Eutrochium maculatum | Eutrochium maculatum var. maculatum | Fragaria virginiana | Fragaria virginiana ssp. virginiana |
| Fraxinus nigra | Fraxinus pennsylvanica | Galearis spectabilis | Galeopsis bifida | Galeopsis tetrahit |
| Galeopsis tetrahit var. tetrahit | Galium asprellum | Galium boreale | Galium concinnum | Galium obtusum |
| Galium obtusum ssp. obtusum | Galium tinctorium | Galium triflorum | Gaultheria procumbens | Gaylussacia baccata |
| Gentiana alba | Gentiana andrewsii | Gentiana andrewsii var. andrewsii | Gentiana puberulenta | Geranium bicknellii |
| Geranium maculatum | Geum laciniatum | Geum triflorum | Geum triflorum var. triflorum | Gleditsia triacanthos |
| Glyceria borealis | Glyceria canadensis | Glyceria grandis | Glyceria grandis var. grandis | Goodyera pubescens |
| Gratiola neglecta | Gypsophila muralis | Hackelia virginiana | Hamamelis virginiana | Hedeoma hispida |
| Helenium autumnale | Helenium autumnale var. autumnale | Helianthemum bicknellii | Helianthemum canadense | Helianthus giganteus |
| Helianthus hirsutus | Helianthus occidentalis | Helianthus occidentalis ssp. occidentalis | Helianthus pauciflorus | Helianthus pauciflorus ssp. pauciflorus |
| Helianthus strumosus | Helianthus tuberosus | Heliopsis helianthoides | Heliopsis helianthoides var. scabra | Heracleum maximum |
| Hesperostipa spartea | Heteranthera dubia | Heterotheca villosa | Heterotheca villosa var. ballardii | Heuchera richardsonii |
| Hieracium kalmii | Hieracium longipilum | Hieracium umbellatum | Hordeum jubatum | Hordeum jubatum ssp. jubatum |
| Houstonia longifolia | Hudsonia tomentosa | Hudsonia tomentosa var. tomentosa | Humulus lupulus | Humulus lupulus var. lupuloides |
| Humulus lupulus var. neomexicanus | Huperzia x bartleyi | Huperzia lucidula | Huperzia porophila | Hylotelephium telephium |
| Hylotelephium telephium ssp. telephium | Hypericum ascyron | Hypericum boreale | Hypericum ellipticum | Hypericum majus |
| Ilex verticillata | Impatiens capensis | Iris versicolor | Juncus anthelatus | Juncus brevicaudatus |
| Juncus greenei | Juncus nodosus | Juncus nodosus var. nodosus | Juncus tenuis | Koeleria macrantha |
| Krigia biflora | Krigia biflora var. biflora | Lactuca canadensis | Lactuca ludoviciana | Laportea canadensis |
| Larix laricina | Lechea intermedia | Lechea intermedia var. intermedia | Lechea stricta | Ledum groenlandicum |
| Leersia oryzoides | Leersia virginica | Lemna minor | Lespedeza capitata | Liatris aspera |
| Lilium michiganense | Lilium philadelphicum | Lilium philadelphicum var. andinum | Linaria vulgaris | Lindernia dubia |
| Lindernia dubia var. anagallidea | Lindernia dubia var. dubia | Linnaea borealis | Linnaea borealis ssp. americana | Linum sulcatum |
| Linum sulcatum var. sulcatum | Liparis liliifolia | Lithospermum canescens | Lithospermum caroliniense | Lithospermum caroliniense var. croceum |
| Lobelia inflata | Lobelia siphilitica | Lobelia siphilitica var. siphilitica | Lobelia spicata | Lobelia spicata var. spicata |
| Lonicera dioica | Lotus unifoliolatus | Lotus unifoliolatus var. unifoliolatus | Lupinus perennis | Lupinus perennis ssp. perennis |
| Lupinus perennis ssp. perennis var. occidentalis | Luzula acuminata | Luzula acuminata ssp. acuminata | Luzula multiflora | Luzula multiflora ssp. multiflora |
| Luzula multiflora ssp. multiflora var. multiflora | Lycopodium clavatum | Lycopodium dendroideum | Lycopodium digitatum | Lycopus americanus |
| Lycopus uniflorus | Lycopus uniflorus var. uniflorus | Lysimachia ciliata | Lysimachia hybrida | Lysimachia lanceolata |
| Lysimachia quadrifolia | Maianthemum canadense | Maianthemum racemosum | Maianthemum racemosum ssp. racemosum | Maianthemum stellatum |
| Malaxis unifolia | Melilotus officinalis | Menispermum canadense | Mimulus ringens | Mimulus ringens var. ringens |
| Mirabilis hirsuta | Mirabilis nyctaginea | Mitchella repens | Mitella diphylla | Moehringia lateriflora |
| Mollugo verticillata | Monarda fistulosa | Monarda fistulosa ssp. fistulosa | Monarda punctata | Monarda punctata ssp. punctata |
| Monarda punctata ssp. punctata var. villicaulis | Monotropa uniflora | Muhlenbergia racemosa | Najas flexilis | Nepeta cataria |
| Nuphar lutea | Nuphar lutea ssp. variegata | Nuttallanthus canadensis | Oenothera biennis | Oenothera clelandii |
| Oenothera oakesiana | Oenothera perennis | Oenothera rhombipetala | Oligoneuron rigidum | Oligoneuron rigidum var. rigidum |
| Oxalis stricta | Panax trifolius | Panicum virgatum | Panicum virgatum var. virgatum | Parietaria pensylvanica |
| Parthenocissus vitacea | Pascopyrum smithii | Pedicularis canadensis | Pedicularis canadensis ssp. canadensis | Penstemon gracilis |
| Penstemon gracilis var. gracilis | Penstemon gracilis var. wisconsinensis | Penthorum sedoides | Phalaris arundinacea | Phemeranthus rugospermus |
| Phleum pratense | Phlox pilosa | Phlox pilosa ssp. fulgida | Phryma leptostachya | Physalis heterophylla |
| Physalis heterophylla var. heterophylla | Physalis virginiana | Physalis virginiana var. virginiana | Physocarpus opulifolius | Physocarpus opulifolius var. intermedius |
| Physostegia virginiana | Physostegia virginiana ssp. virginiana | Pinus banksiana | Pinus resinosa | Pinus strobus |
| Plantago patagonica | Plantago rugelii | Plantago rugelii var. rugelii | Platanthera hookeri | Poa pratensis |
| Poa pratensis ssp. pratensis | Polemonium reptans | Polemonium reptans var. reptans | Polygala cruciata | Polygala cruciata var. aquilonia |
| Polygala polygama | Polygala verticillata | Polygala verticillata var. isocycla | Polygonatum biflorum | Polygonatum biflorum var. commutatum |
| Polygonatum pubescens | Polygonella articulata | Polygonum arenastrum | Polygonum careyi | Polygonum cilinode |
| Polygonum pensylvanicum | Polygonum persicaria | Polygonum ramosissimum | Polygonum ramosissimum var. ramosissimum | Polygonum sagittatum |
| Polygonum tenue | Polygonum virginianum | Polypodium virginianum | Portulaca oleracea | Potamogeton crispus |
| Potamogeton foliosus | Potamogeton foliosus ssp. foliosus | Potamogeton natans | Potamogeton nodosus | Potamogeton pusillus |
| Potamogeton richardsonii | Potamogeton robbinsii | Potamogeton spirillus | Potamogeton zosteriformis | Potentilla argentea |
| Potentilla argentea var. argentea | Potentilla arguta | Potentilla arguta ssp. arguta | Potentilla norvegica | Potentilla norvegica ssp. monspeliensis |
| Potentilla recta | Potentilla simplex | Prenanthes alba | Prenanthes aspera | Prunella vulgaris |
| Prunella vulgaris ssp. lanceolata | Prunus americana | Prunus pensylvanica | Prunus pensylvanica var. pensylvanica | Prunus pumila |
| Prunus serotina | Prunus serotina var. serotina | Prunus virginiana | Prunus virginiana var. virginiana | Pseudognaphalium obtusifolium |
| Pseudognaphalium obtusifolium ssp. obtusifolium | Pulsatilla patens | Pulsatilla patens ssp. multifida | Quercus bicolor | Quercus ellipsoidalis |
| Quercus macrocarpa | Quercus macrocarpa var. macrocarpa | Ranunculus abortivus | Ranunculus fascicularis | Ranunculus rhomboideus |
| Rhus x borealis | Rhus typhina | Ribes missouriense | Rorippa palustris | Rorippa palustris ssp. fernaldiana |
| Rosa arkansana | Rosa blanda | Rosa blanda var. blanda | Rosa carolina | Rosa carolina var. carolina |
| Rubus hispidus | Rubus idaeus | Rubus idaeus ssp. strigosus | Rubus ithacanus | Rubus junceus |
| Rubus occidentalis | Rubus pubescens | Rubus pubescens var. pubescens | Rubus stipulatus | Rudbeckia hirta |
| Rudbeckia hirta var. pulcherrima | Rudbeckia laciniata | Rudbeckia laciniata var. laciniata | Rumex acetosella | Rumex crispus |
| Rumex crispus ssp. crispus | Rumex patientia | Rumex salicifolius | Rumex salicifolius var. mexicanus | Sagittaria latifolia |
| Sagittaria rigida | Salix humilis | Sambucus nigra | Sambucus nigra ssp. canadensis | Sanicula marilandica |
| Sanicula trifoliata | Saponaria officinalis | Saxifraga pensylvanica | Schizachyrium scoparium | Schizachyrium scoparium var. scoparium |
| Schoenoplectus tabernaemontani | Scirpus cyperinus | Scirpus microcarpus | Scleria triglomerata | Scrophularia lanceolata |
| Scrophularia marilandica | Scutellaria lateriflora | Scutellaria lateriflora var. lateriflora | Secale cereale | Selaginella rupestris |
| Setaria viridis | Setaria viridis var. viridis | Sibbaldiopsis tridentata | Silene latifolia | Silene latifolia ssp. alba |
| Sisymbrium altissimum | Sisymbrium officinale | Sisyrinchium campestre | Smilax ecirrhata | Smilax herbacea |
| Smilax lasioneura | Smilax tamnoides | Solanum ptychanthum | Solidago altissima | Solidago canadensis |
| Solidago canadensis var. hargeri | Solidago gigantea | Solidago juncea | Solidago nemoralis | Solidago nemoralis var. longipetiolata |
| Solidago nemoralis var. nemoralis | Solidago sciaphila | Solidago speciosa | Solidago speciosa var. jejunifolia | Solidago speciosa var. rigidiuscula |
| Solidago ulmifolia | Solidago ulmifolia var. ulmifolia | Sorghastrum nutans | Spartina pectinata | Spergula arvensis |
| Sphenopholis intermedia | Sphenopholis obtusata | Spiraea alba | Spiraea alba var. alba | Spiraea tomentosa |
| Spirodela polyrrhiza | Sporobolus cryptandrus | Staphylea trifolia | Stellaria media | Stellaria media ssp. media |
| Streptopus lanceolatus | Streptopus lanceolatus var. longipes | Symphyotrichum ciliolatum | Symphyotrichum cordifolium | Symphyotrichum drummondii |
| Symphyotrichum drummondii var. drummondii | Symphyotrichum laeve | Symphyotrichum laeve var. laeve | Symphyotrichum lanceolatum | Symphyotrichum lanceolatum ssp. lanceolatum |
| Symphyotrichum lanceolatum ssp. lanceolatum var. lanceolatum | Symphyotrichum lateriflorum | Symphyotrichum lateriflorum var. lateriflorum | Symphyotrichum oolentangiense | Symphyotrichum oolentangiense var. oolentangiense |
| Symphyotrichum sericeum | Symplocarpus foetidus | Tephrosia virginiana | Teucrium canadense | Teucrium canadense var. canadense |
| Thalictrum dasycarpum | Tilia americana | Tilia americana var. americana | Tradescantia ohiensis | Triadenum fraseri |
| Trientalis borealis | Trientalis borealis ssp. borealis | Trifolium aureum | Trifolium hybridum | Trifolium pratense |
| Trillium cernuum | Triosteum aurantiacum | Triosteum aurantiacum var. aurantiacum | Typha x glauca | Typha latifolia |
| Urtica dioica | Urtica dioica ssp. gracilis | Uvularia grandiflora | Vaccinium angustifolium | Vaccinium macrocarpon |
| Vaccinium myrtilloides | Vallisneria americana | Verbascum blattaria | Verbascum thapsus | Verbena bracteata |
| Verbena hastata | Verbena stricta | Verbena urticifolia | Verbena urticifolia var. leiocarpa | Vernonia fasciculata |
| Vernonia fasciculata ssp. fasciculata | Veronica americana | Veronica arvensis | Veronica peregrina | Veronica peregrina ssp. xalapensis |
| Veronica serpyllifolia | Veronica serpyllifolia ssp. serpyllifolia | Veronicastrum virginicum | Viburnum acerifolium | Vicia americana |
| Vicia americana ssp. americana | Vicia sativa | Vicia sativa ssp. nigra | Vicia villosa | Viola adunca |
| Viola adunca var. adunca | Viola affinis | Viola blanda | Viola blanda var. palustriformis | Viola cucullata |
| Viola labradorica | Viola lanceolata | Viola lanceolata ssp. lanceolata | Viola macloskeyi | Viola macloskeyi ssp. pallens |
| Viola nephrophylla | Viola novae-angliae | Viola pedata | Viola pubescens | Viola pubescens var. pubescens |
| Viola pubescens var. scabriuscula | Viola sagittata | Viola sagittata var. sagittata | Viola sororia | Viola tricolor |
| Vitis riparia | Vulpia octoflora | Vulpia octoflora var. glauca | Wolffia columbiana | Zanthoxylum americanum |
| Zizia aurea |