| Cryptotaenia canadensis | Honewort | Apiaceae |
| Cystopteris bulbifera | Bulblet bladder fern | Dryopteridaceae |
| Dalibarda repens | Dewdrop | Rosaceae |
| Deparia acrostichoides | Silvery glade fern | Dryopteridaceae |
| Desmodium canadense | Showy tick-trefoil | Fabaceae |
| Diplazium pycnocarpon | Narrow-leaved glade fern | Dryopteridaceae |
| Epilobium angustifolium | Fireweed | Onagraceae |
| Equisetum arvense | Field horsetail | Equisetaceae |
| Euthamia graminifolia var. graminifolia | Grass-leaved goldenrod | Asteraceae |
| Euthamia graminifolia var. nuttallii | Grass-leaved goldenrod | Asteraceae |
| Hydrophyllum virginianum | Virginia waterleaf | Hydrophyllaceae |
| Hypericum punctatum | Spotted St. John's-wort | Clusiaceae |
| Hypericum pyramidatum | Great St. John's-wort | Clusiaceae |
| Hypoxis hirsuta | Yellow star-grass | Liliaceae |
| Juncus greenei*** | Greene's rush | Juncaceae |
| Laportea canadensis | Wood-nettle | Urticaceae |
| Linnaea borealis var. americana* | Twinflower | Caprifoliaceae |
| Luzula acuminata var. acuminata | Hairy woodrush | Juncaceae |
| Lycopodium annotinum | Bristly clubmoss | Lycopodiaceae |
| Lycopodium clavatum var. clavatum | Common clubmoss | Lycopodiaceae |
| Lycopodium clavatum var. monostachyon | One-cone clubmoss | Lycopodiaceae |
| Malaxis unifolia | Green adder's-mouth | Orchidaceae |
| Moehringia lateriflora | Blunt-leaved sandwort | Caryophyllaceae |
| Oenothera fruticosa ssp. fruticosa | Sundrops | Onagraceae |
| Oenothera fruticosa ssp. glauca | Sundrops | Onagraceae |
| Orthilia secunda | One-sided shinleaf | Pyrolaceae |
| Osmunda claytoniana | Interrupted fern | Osmundaceae |
| Penstemon digitalis | Tall white beard-tongue | Scrophulariaceae |
| Phegopteris hexagonoptera | Broad beech fern | Thelypteridaceae |
| Platanthera hookeri | Hooker's orchid | Orchidaceae |
| Platanthera orbiculata var. orbiculata | Large round-leaved orchid | Orchidaceae |
| Polygonum scandens var. cristatum | Climbing false-buckwheat | Polygonaceae |
| Polygonum scandens var. scandens | Climbing false-buckwheat | Polygonaceae |
| Polygonum virginianum | Jumpseed | Polygonaceae |
| Pycnanthemum verticillatum var. pilosum | Mountain-mint | Lamiaceae |
| Pycnanthemum verticillatum var. verticillatum | Mountain-mint | Lamiaceae |
| Pycnanthemum virginianum | Mountain-mint | Lamiaceae |
| Pyrola americana | Wild lily-of-the-valley | Pyrolaceae |
| Ranunculus hispidus var. hispidus | Hairy buttercup | Ranunculaceae |
| Senecio pauperculus | Balsam ragwort | Asteraceae |
| Senna hebecarpa | Northern wild senna | Caesalpiniaceae |
| Smilax herbacea | Carrion-flower | Smilacaceae |
| Smilax rotundifolia | Catbrier | Smilacaceae |
| Solidago rugosa var. aspera | Wrinkle-leaf goldenrod | Asteraceae |
| Solidago rugosa var. rugosa | Wrinkle-leaf goldenrod | Asteraceae |
| Solidago rugosa var. villosa | Wrinkle-leaf goldenrod | Asteraceae |
| Symphyotrichum novae-angliae | New England aster | Asteraceae |
| Thalictrum dioicum | Early meadow-rue | Ranunculaceae |
| Thelypteris noveboracensis | New York fern | Thelypteridaceae |
| Toxicodendron radicans | Poison-ivy | Anacardiaceae |
| Trientalis borealis | Star-flower | Primulaceae |
| Zizia aptera | Golden-alexander | Apiaceae |
| Zizia aurea | Golden-alexander | Apiaceae |
| Cystopteris tenuis | Fragile fern | Dryopteridaceae |
| Diphasiastrum digitatum | Deep-rooted running-pine | Lycopodiaceae |
| Dryopteris intermedia | Evergreen wood-fern | Dryopteridaceae |
| Fragaria virginiana ssp. virginiana | Wild strawberry | Rosaceae |
| Galium triflorum | Sweet-scented bedstraw | Rubiaceae |
| Geranium maculatum | Wood geranium | Geraniaceae |
| Geum canadense var. canadense | White avens | Rosaceae |
| Helianthus decapetalus | Thin-leaved sunflower | Asteraceae |
| Houstonia caerulea | Bluets | Rubiaceae |
| Ipomoea pandurata | Man-of-the-earth | Convolvulaceae |
| Isotria medeoloides+** | Small whorled-pogonia | Orchidaceae |
| Isotria verticillata | Whorled-pogonia | Orchidaceae |
| Juncus secundus | Rush | Juncaceae |
| Lilium philadelphicum | Wood lily | Liliaceae |
| Linum virginianum | Slender yellow flax | Linaceae |
| Lobelia inflata | Indian-tobacco | Campanulaceae |
| Luzula echinata | Common woodrush | Juncaceae |
| Luzula multiflora | Field woodrush | Juncaceae |
| Lycopodium dendroideum | Round-branch ground-pine | Lycopodiaceae |
| Lycopodium hickeyi | Hickey's ground-pine | Lycopodiaceae |
| Lycopodium obscurum | Flat-branched ground-pine | Lycopodiaceae |
| Melanthium latifolium | Bunchflower | Liliaceae |
| Menispermum canadense | Moonseed | Menispermaceae |
| Mitchella repens | Partridge-berry | Rubiaceae |
| Mitella diphylla | Bishop's-cap | Saxifragaceae |
| Ornithogalum umbellatum | Star-of-Bethlehem | Liliaceae |
| Orobanche uniflora | Broom-rape | Orobanchaceae |
| Osmorhiza longistylis | Anise root | Apiaceae |
| Parthenocissus quinquefolia | Virginia-creeper | Vitaceae |
| Pedicularis canadensis | Forest lousewort | Scrophulariaceae |
| Phegopteris connectilis | Long beech fern | Thelypteridaceae |
| Phlox paniculata | Summer phlox | Polemoniaceae |
| Plantago rugelii | Rugel's plantain | Plantaginaceae |
| Polygala paucifolia | Bird-on-the-wing | Polygalaceae |
| Polygala sanguinea | Field milkwort | Polygalaceae |
| Polygonatum biflorum var. biflorum | Solomon's-seal | Liliaceae |
| Polygonatum biflorum var. commutatum | Solomon's-seal | Liliaceae |
| Potentilla simplex | Old-field cinquefoil | Rosaceae |
| Prenanthes altissima | Rattlesnake-root | Asteraceae |
| Prunella vulgaris ssp. lanceolata | Heal-all | Lamiaceae |
| Pteridium aquilinum var. latiusculum | Northern bracken fern | Dennstaedtiaceae |
| Ranunculus fascicularis** | Early buttercup | Ranunculaceae |
| Rudbeckia triloba | Three-lobed coneflower | Asteraceae |
| Sanicula odorata | Yellow-flowered sanicle | Apiaceae |
| Smilax glauca | Catbrier | Smilacaceae |
| Smilax pulverulenta | Carrion-flower | Smilacaceae |
| Solidago caesia var. caesia | Bluestem goldenrod | Asteraceae |
| Solidago canadensis var. hargeri | Canada goldenrod | Asteraceae |
| Solidago flexicaulis | Zigzag goldenrod | Asteraceae |
| Symphyotrichum ericoides var. ericoides | White heath aster | Asteraceae |
| Trillium undulatum | Painted trillium | Liliaceae |
| Urtica dioica ssp. gracilis | Great nettle | Urticaceae |
| Uvularia perfoliata | Bellwort | Liliaceae |
| Veronicastrum virginicum | Culver's-root | Scrophulariaceae |
| Viola rostrata | Long-spurred violet | Violaceae |
| Viola striata | Striped violet | Violaceae |
| Vitis aestivalis | Summer grape | Vitaceae |
| Vitis labrusca | Fox grape | Vitaceae |
| Vitis novae-angliae** | New England grape | Vitaceae |
| Cypripedium acaule | Pink lady's-slipper | Orchidaceae |
| Dryopteris marginalis | Marginal wood fern | Dryopteridaceae |
| Goodyera pubescens | Downy rattlesnake-plantain | Orchidaceae |
| Goodyera tesselata | Checkered rattlesnake-plantain | Orchidaceae |
| Lespedeza capitata | Round-headed bush-clover | Fabaceae |
| Liparis liliifolia | Lily-leaved twayblade | Orchidaceae |
| Lysimachia quadrifolia | Whorled loosestrife | Primulaceae |
| Monotropa uniflora | Indian-pipe | Monotropaceae |
| Oenothera biennis | Evening-primrose | Onagraceae |
| Oenothera parviflora var. parviflora | Evening-primrose | Onagraceae |
| Osmorhiza claytonii | Sweet-cicely | Apiaceae |
| Phryma leptostachya | Lopseed | Verbenaceae |
| Saponaria officinalis | Bouncing-bet | Caryophyllaceae |
| Scrophularia marilandica | Eastern figwort | Scrophulariaceae |
| Senecio obovatus | Ragwort | Asteraceae |
| Solidago puberula | Downy goldenrod | Asteraceae |
| Spiranthes lacera var. gracilis | Southern slender ladies'-tresses | Orchidaceae |
| Spiranthes lacera var. lacera | Northern slender ladies'-tresses | Orchidaceae |
| Stellaria graminea | Lesser stitchwort | Caryophyllaceae |
| Thalictrum thalictroides | Rue anemone | Ranunculaceae |
| Trillium erectum var. erectum | Purple trillium | Liliaceae |
| Uvularia sessilifolia | Bellwort | Liliaceae |
| Veronica officinalis | Common speedwell | Scrophulariaceae |
| Veronica peregrina ssp. peregrina | Neckweed | Scrophulariaceae |
| Viola pubescens var. pubescens | Downy yellow violet | Violaceae |
| Cyperus strigosus | False nutsedge | Cyperaceae |
| Doellingeria umbellata var. umbellata | Flat-topped white aster | Asteraceae |
| Equisetum hyemale var. affine | Scouring-rush | Equisetaceae |
| Equisetum sylvaticum | Woodland horsetail | Equisetaceae |
| Eupatorium fistulosum | Joe-pye-weed | Asteraceae |
| Eupatorium pilosum | Ragged eupatorium | Asteraceae |
| Gentiana andrewsii var. andrewsii | Bottle gentiaGentianaceae |
| Gentiana clausa | Meadow closed gentian | Gentianaceae |
| Helianthus giganteus | Swamp sunflower | Asteraceae |
| Hypericum dissimulatum | St.John's-wort | Clusiaceae |
| Hypericum mutilum | Dwarf St. John's-wort | Clusiaceae |
| Juncus bufonius | Toad rush | Juncaceae |
| Juncus filiformis* | Thread rush | Juncaceae |
| Juncus marginatus var. marginatus | Grass-leaved rush | Juncaceae |
| Krigia biflora | Dwarf dandelion | Asteraceae |
| Linum striatum | Ridged yellow flax | Linaceae |
| Liparis loeselii | Yellow twayblade | Orchidaceae |
| Lygodium palmatum | Climbing fern | Lygodiaceae |
| Lysimachia ciliata | Fringed loosestrife | Primulaceae |
| Matteuccia struthiopteris | Ostrich fern | Dryopteridaceae |
| Mentha arvensis | Field mint | Lamiaceae |
| Onoclea sensibilis | Sensitive fern | Dryopteridaceae |
| Osmunda cinnamomea | Cinnamon fern | Osmundaceae |
| Phalaris arundinacea | Reed canary-grass | Poaceae |
| Phragmites australis | Common reed | Poaceae |
| Platanthera ciliaris | Yellow fringed-orchid | Orchidaceae |
| Platanthera flava var. herbiola | Tubercled rein-orchid | Orchidaceae |
| Platanthera grandiflora | Large purple fringed-orchid | Orchidaceae |
| Platanthera lacera | Ragged fringed-orchid | Orchidaceae |
| Platanthera psycodes | Purple fringed-orchid | Orchidaceae |
| Potentilla fruticosa** | Shrubby cinquefoil | Rosaceae |
| Potentilla norvegica ssp. monspeliensis | Strawberry-weed | Rosaceae |
| Pycnanthemum muticum | Mountain-mint | Lamiaceae |
| Pycnanthemum tenuifolium | Mountain-mint | Lamiaceae |
| Ranunculus flammula var. ovalis | Creeping spearwort | Ranunculaceae |
| Ranunculus hispidus var. hispidus | Hairy buttercup | Ranunculaceae |
| Rudbeckia laciniata | Cutleaf coneflower | Asteraceae |
| Scutellaria integrifolia | Hyssop skullcup | Lamiaceae |
| Selaginella apoda | Meadow spikemoss | Selaginellaceae |
| Senecio aureus | Golden ragwort | Asteraceae |
| Solidago gigantea var. gigantea | Smooth goldenrod | Asteraceae |
| Solidago gigantea var. serotina | Smooth goldenrod | Asteraceae |
| Spiranthes cernua | Nodding ladies'-tresses | Orchidaceae |
| Spiranthes lucida | Shining ladies'-tresses | Orchidaceae |
| Spiranthes ochroleuca | Yellow nodding ladies'-tresses | Orchidaceae |
| Stellaria borealis | Northern stitchwort | Caryophyllaceae |
| Stellaria longifolia | Long-leaved stitchwort | Caryophyllaceae |
| Teucrium canadense var. virginicum | Wild germander | Lamiaceae |
| Thelypteris simulata | Massachusetts fern | Thelypteridaceae |
| Trillium cernuum var. cernuum | Nodding trillium | Liliaceae |
| Viola affinis | LeConte's violet | Violaceae |
| Viola blanda | Sweet white violet | Violaceae |
| Viola labradorica | American dog violet | Violaceae |
| Viola renifolia | Kidney-leaved violet | Violaceae |
| Viola sagittata var. ovata | Ovate-leaved violet | Violaceae |
| Viola sororia var. sororia | Common blue violet | Violaceae |
| Vitis riparia | Frost grape | Vitaceae |
| Woodwardia areolata | Netted chain fern | Blechnaceae |
| Corydalis sempervirens | Rock harlequi | Fumariaceae |
| Cunila origanoides | Common dittany | Lamiaceae |
| Cystopteris protrusa | Protruding bladder fern | Dryopteridaceae |
| Dennstaedtia punctilobula | Hay-scented fern | Dennstaedtiaceae |
| Desmodium ciliare | Tick-clover | Fabaceae |
| Desmodium cuspidatum | Tick-clover | Fabaceae |
| Desmodium glutinosum | Sticky tick-clover | Fabaceae |
| Desmodium marilandicum | Maryland tick-clover | Fabaceae |
| Desmodium nudiflorum | Naked-flowered tick-trefoil | Fabaceae |
| Desmodium paniculatum | Tick-trefoil | Fabaceae |
| Desmodium perplexum | Tick-trefoil | Fabaceae |
| Desmodium rotundifolium | Round-leaved tick-trefoil | Fabaceae |
| Dicentra canadensis | Squirrel-corn | Fumariaceae |
| Dicentra eximia | Wild bleeding-heart | Fumariaceae |
| Diphasiastrum digitatum x tristachyum | Ground-pine | Lycopodiaceae |
| Diphasiastrum tristachyum | Deep-rooted running-pine | Lycopodiaceae |
| Doellingeria infirma | Flat-topped white aster | Asteraceae |
| Dryopteris intermedia x marginalis | Hybrid wood-fern | Dryopteridaceae |
| Dryopteris x boottii | Boott's hybrid wood fern | Dryopteridaceae |
| Dryopteris x dowellii | Dowell's wood-fern | Dryopteridaceae |
| Dryopteris x pittsfordensis | Pittsford wood-fern | Dryopteridaceae |
| Dryopteris x slossonae | Boot's hybrid wood fern | Dryopteridaceae |
| Dryopteris x triploidea | Triploid hybrid wood fern | Dryopteridaceae |
| Dryopteris x uliginosa | Braun's wood fern | Dryopteridaceae |
| Equisetum x ferrissi | Intermediate scouring-rush | Equisetaceae |
| Erythronium americanum | Yellow trout-lily | Liliaceae |
| Eupatorium maculatum | Spotted joe-pye-weed | Asteraceae |
| Eupatorium purpureum | Joe-pye-weed | Asteraceae |
| Eupatorium rugosum | White-snakeroot | Asteraceae |
| Eupatorium sessilifolium | Upland eupatorium | Asteraceae |
| Eurybia divaricata | White wood aster | Asteraceae |
| Eurybia macrophylla | Bigleaf aster | Asteraceae |
| Eurybia schreberi | Schreber's aster | Asteraceae |
| Fragaria vesca ssp. americana | Sow-teat strawberry | Rosaceae |
| Galearis spectabilis | Showy orchis | Orchidaceae |
| Galium lanceolatum | Wild licorice | Rubiaceae |
| Galium mollugo | White bedstraw | Rubiaceae |
| Galium pilosum | Bedstraw | Rubiaceae |
| Geranium bicknellii** | Cranesbill | Geraniaceae |
| Geranium carolinianum | Wild geranium | Geraniaceae |
| Helianthemum bicknellii | Bicknell's hoary rockrose | Cistaceae |
| Helianthemum canadense | Frostweed | Cistaceae |
| Helianthemum propinquum | Frostweed | Cistaceae |
| Helianthus divaricatus | Rough sunflower | Asteraceae |
| Helianthus strumosus | Rough-leaved sunflower | Asteraceae |
| Heliopsis helianthoides | Ox-eye | Asteraceae |
| Hepatica nobilis var. obtusa | Liverleaf | Ranunculaceae |
| Heuchera americana | Alum-root | Saxifragaceae |
| Hieracium gronovii x venosum | Hawkweed | Asteraceae |
| Hieracium kalmii | Canada hawkweed | Asteraceae |
| Hieracium paniculatum | Hawkweed | Asteraceae |
| Hieracium scabrum | Hawkweed | Asteraceae |
| Hieracium venosum | Rattlesnake-weed | Asteraceae |
| Humulus lupulus | Brewer's hops | Cannabaceae |
| Ionactis linariifolius | Stiff-leaved aster | Asteraceae |
| Juncus dudleyi | Rush | Juncaceae |
| Lechea intermedia | Pinweed | Cistaceae |
| Lechea pulchella | Pinweed | Cistaceae |
| Lechea racemulosa | Pinweed | Cistaceae |
| Lechea villosa | Pinweed | Cistaceae |
| Lespedeza hirta | Bush-clover | Fabaceae |
| Lespedeza intermedia | Bush-clover | Fabaceae |
| Lespedeza procumbens | Trailing bush-clover | Fabaceae |
| Lespedeza repens | Creeping bush-clover | Fabaceae |
| Lespedeza violacea | Slender bush-clover | Fabaceae |
| Lespedeza virginica | Slender bush-clover | Fabaceae |
| Lupinus perennis* | Blue lupine | Fabaceae |
| Lysimachia producta | Loosestrife | Primulaceae |
| Malaxis bayardii* | Adder's-mouth | Orchidaceae |
| Medeola virginiana | Indian cucumber-root | Liliaceae |
| Monarda clinopodia | Bee-balm | Lamiaceae |
| Monarda media | Bee-balm | Lamiaceae |
| Monotropa hypopithys | Pinesap | Monotropaceae |
| Oclemena acuminata | Wood aster | Asteraceae |
| Ophioglossum pusillum | Northern adder's-tongue | Ophioglossaceae |
| Opuntia humifusa* | Eastern prickly-pear cactus | Cactaceae |
| Oxalis dillenii ssp. filipes | Southern yellow wood-sorrel | Oxalidaceae |
| Oxalis violacea | Violet wood-sorrel | Oxalidaceae |
| Panax quinquefolius* | Ginseng | Araliaceae |
| Panax trifolius | Dwarf ginseng | Araliaceae |
| Pellaea atropurpurea | Purple cliffbrake | Adiantaceae |
| Penstemon hirsutus | Northeastern beard-tongue | Scrophulariaceae |
| Phlox subulata ssp. subulata | Moss-pink | Polemoniaceae |
| Physalis heterophylla | Clammy ground-cherry | Solanaceae |
| Physalis subglabrata | Ground-cherry | Solanaceae |
| Podophyllum peltatum | Mayapple | Berberidaceae |
| Polygonatum pubescens | Solomon's-seal | Liliaceae |
| Polygonum cilinode | Fringed bindweed | Polygonaceae |
| Polypodium virginianum | Common polypody | Polypodiaceae |
| Polystichum acrostichoides | Christmas fern | Dryopteridaceae |
| Porteranthus trifoliatus | Bowman's-root | Rosaceae |
| Potentilla canadensis | Cinquefoil | Rosaceae |
| Potentilla tridentate** | Three-toothed cinquefoil | Rosaceae |
| Prenanthes trifoliolata | Gall-of-the-earth | Asteraceae |
| Pycnanthemum clinopodioides | Mountain-mint | Lamiaceae |
| Pycnanthemum incanum | Mountain-mint | Lamiaceae |
| Scutellaria elliptica var. elliptica | Hairy skullcap | Lamiaceae |
| Sedum ternatum | Wild stonecrop | Crassulaceae |
| Selaginella rupestris | Rock spikemoss | Selaginellaceae |
| Sericocarpus asteroides | White-topped aster | Asteraceae |
| Silene stellata | Starry campion | Caryophyllaceae |
| Smilacina racemosa | False solomon's-seal | Liliaceae |
| Smilacina stellata | Starflower | Liliaceae |
| Smilacina trifolia | False solomon's-seal | Liliaceae |
| Smilax hispida | Bristly greenbrier | Smilacaceae |
| Solidago arguta var. arguta | Forest goldenrod | Asteraceae |
| Solidago bicolor | Silver-rod | Asteraceae |
| Solidago juncea | Early goldenrod | Asteraceae |
| Solidago nemoralis | Gray goldenrod | Asteraceae |
| Solidago odora | Sweet goldenrod | Asteraceae |
| Solidago speciosa var. speciosa | Showy goldenrod | Asteraceae |
| Solidago squarrosa | Ragged goldenrod | Asteraceae |
| Solidago ulmifolia var. ulmifolia | Elm-leaved goldenrod | Asteraceae |
| Stylosanthes biflora | Pencil-flower | Fabaceae |
| Symphyotrichum cordifolium ssp. cordifolium | Blue wood aster | Asteraceae |
| Symphyotrichum laeve var. laeve | Smooth blue aster | Asteraceae |
| Symphyotrichum lanceolatum ssp. lanceolatum var. interior | Eastern lined aster | Asteraceae |
| Symphyotrichum lanceolatum ssp. lanceolatum var. lanceolatum | Panicled aster | Asteraceae |
| Symphyotrichum lanceolatum ssp. lanceolatum var. lanceolatum | Simple aster | Asteraceae |
| Symphyotrichum lowrieanum | Smooth heart-leaved aster | Asteraceae |
| Symphyotrichum lowrieanum | Smooth heart-leaved aster | Asteraceae |
| Symphyotrichum patens var. patens | Late purple aster | Asteraceae |
| Symphyotrichum undulatum | Clasping heart-leaved aster | Asteraceae |
| Tephrosia virginiana | Goat's-rue | Fabaceae |
| Trichomanes intricatum | Filmy fern | Hymenophyllaceae |
| Trichophorum planifolium | Club-rush | Cyperaceae |
| Triosteum aurantiacum var. aurantiacum | Wild-coffee | Caprifoliaceae |
| Triosteum aurantiacum var. glaucescens | Wild-coffee | Caprifoliaceae |
| Vicia americana | Purple vetch | Fabaceae |
| Viola canadensis var. canadensis | Canada violet | Violaceae |
| Viola cucullata x sagittata | Porter's violet | Violaceae |
| Viola palmata | Early blue violet | Violaceae |
| Viola pedata | Birdfoot violet | Violaceae |
| Viola pubescens var. scabriuscula | Downy yellow violet | Violaceae |
| Viola sagittata var. sagittata | Arrow-leaved violet | Violaceae |
| Waldsteinia fragarioides | Barren strawberry | Rosaceae |
| Woodsia ilvensis | Rusty woodsia | Dryopteridaceae |
| Woodsia obtusa | Blunt-lobed woodsia | Dryopteridaceae |
| Decodon verticillatus | Water-willow | Lythraceae |
| Drosera intermedia | Spatulate-leaved sundew | Droseraceae |
| Drosera rotundifolia | Round-leaved sundew | Droseraceae |
| Dulichium arundinaceum | Three-way sedge | Cyperaceae |
| Eleocharis acicularis | Needle spike-rush | Cyperaceae |
| Eleocharis erythropoda | Spike-rush | Cyperaceae |
| Eleocharis olivacea | Capitate spike-rush | Cyperaceae |
| Eleocharis palustris | Creeping spike-rush | Cyperaceae |
| Elodea nuttallii | Waterweed | Hydrocharitaceae |
| Epilobium leptophyllum | Willow-herb | Onagraceae |
| Epilobium palustre | Marsh willow-herb | Onagraceae |
| Epilobium strictum** | Downy willow-herb | Onagraceae |
| Equisetum fluviatile | Water horsetail | Equisetaceae |
| Eriocaulon aquaticum | Seven-angle pipewort | Eriocaulaceae |
| Eriophorum tenellum** | Rough cotton-grass | Cyperaceae |
| Eriophorum vaginatum ssp. spissum | Cotton-grass | Cyperaceae |
| Eriophorum virginicum | Tawny cotton-grass | Cyperaceae |
| Eriophorum viridicarinatum* | Thin-leaved cotton-grass | Cyperaceae |
| Eurybia radula | Rough aster | Asteraceae |
| Galium labradoricum** | Bog bedstraw | Rubiaceae |
| Galium palustre | Ditch bedstraw | Rubiaceae |
| Galium tinctorium | Bedstraw | Rubiaceae |
| Gentiana linearis | Narrow-leaved gentian | Gentianaceae |
| Geum rivale | Water avens | Rosaceae |
| Gratiola aurea | Goldenpert | Scrophulariaceae |
| Hydrocotyle americana | Marsh pennywort | Apiaceae |
| Hypericum boreale | Dwarf St.John's-wort | Clusiaceae |
| Hypericum ellipticum | Pale St. John's-wort | Clusiaceae |
| Iris versicolor | Northern blue flag | Iridaceae |
| Isoetes echinospora | Spiny-spored quillwort | Isoetaceae |
| Isoetes engelmannii | Engelmann's quillwort | Isoetaceae |
| Isoetes riparia | Shore quillwort | Isoetaceae |
| Juncus acuminatus | Sharp-fruited rush | Juncaceae |
| Juncus articulatus | Jointed rush | Juncaceae |
| Juncus brachycephalus* | Small-headed rush | Juncaceae |
| Juncus brevicaudatus | Narrow-panicled rush | Juncaceae |
| Juncus canadensis | Canada rush | Juncaceae |
| Juncus effusus var. solutus | Soft rush | Juncaceae |
| Juncus pelocarpus | Brown-fruited rush | Juncaceae |
| Juncus subcaudatus | Rush | Juncaceae |
| Justicia americana | Water-willow | Acanthaceae |
| Leersia oryzoides | Rice cutgrass | Poaceae |
| Lemna minor | Duckweed | Lemnaceae |
| Lemna trisulca | Star duckweed | Lemnaceae |
| Lobelia kalmii | Brook lobelia | Campanulaceae |
| Ludwigia palustris | Marsh-purslane | Onagraceae |
| Lycopodiella inundata | Northern bog clubmoss | Lycopodiaceae |
| Lycopus americanus | Water-horehound | Lamiaceae |
| Lycopus uniflorus | Bugleweed | Lamiaceae |
| Lycopus virginicus | Bugleweed | Lamiaceae |
| Lysimachia hybrida | Lance-leaved loosestrife | Primulaceae |
| Lysimachia terrestris | Swamp-candles | Primulaceae |
| Menyanthes trifoliata | Bogbean | Menyanthaceae |
| Mimulus moschatus | Muskflower | Scrophulariaceae |
| Mimulus ringens | Allegheny monkey-flower | Scrophulariaceae |
| Myosotis laxa | Wild forget-me-not | Boraginaceae |
| Myriophyllum farwellii** | Farwell's water-milfoil | Haloragaceae |
| Myriophyllum humile | Water-milfoil | Haloragaceae |
| Nuphar lutea | Spatterdock | Nymphaeaceae |
| Nuphar microphylla | Yellow pond-lily | Nymphaeaceae |
| Nymphoides cordata* | Floating-heart | Menyanthaceae |
| Orontium aquaticum | Goldenclub | Araceae |
| Osmunda regalis var. spectabilis | Royal fern | Osmundaceae |
| Oxypolis rigidior | Cowbane | Apiaceae |
| Parnassia glauca** | Grass-of-parnassus | Saxifragaceae |
| Peltandra virginica | Arrow-arum | Araceae |
| Penthorum sedoides | Ditch stonecrop | Saxifragaceae |
| Platanthera blephariglottis | White fringed-orchid | Orchidaceae |
| Podostemum ceratophyllum | Riverweed | Podostemaceae |
| Pogonia ophioglossoides | Rose pogonia | Orchidaceae |
| Polygonum amphibium var. emersum | Water smartweed | Polygonaceae |
| Polygonum arifolium | Halberd-leaf tearthumb | Polygonaceae |
| Polygonum hydropiperoides var. hydropiperoides | Mild water-pepper | Polygonaceae |
| Pontederia cordata | Pickerel-weed | Pontederiaceae |
| Potamogeton amplifolius | Bigleaf pondweed | Potamogetonaceae |
| Potamogeton bicupulatus | Pondweed | Potamogetonaceae |
| Potamogeton confervoides* | Tuckerman's pondweed | Potamogetonaceae |
| Potamogeton epihydrus | Ribbonleaf pondweed | Potamogetonaceae |
| Potamogeton foliosus | Leafy pondweed | Potamogetonaceae |
| Potamogeton natans | Floating pondweed | Potamogetonaceae |
| Potamogeton oakesianus | Oakes' pondweed | Potamogetonaceae |
| Potamogeton perfoliatus | Perfoliate pondweed | Potamogetonaceae |
| Potamogeton pusillus | Pondweed | Potamogetonaceae |
| Potamogeton spirillus | Snailseed pondweed | Potamogetonaceae |
| Potamogeton zosteriformis | Flat-stemmed pondweed | Potamogetonaceae |
| Proserpinaca palustris var. crebra | Common mermaid-weed | Haloragaceae |
| Ranunculus aquatilis var. diffusus | White water-crowfoot | Ranunculaceae |
| Ranunculus flabellaris | Yellow water-crowfoot | Ranunculaceae |
| Rhexia virginica | Meadow-beauty | Melastomaceae |
| Rhynchospora alba | White beak-rush | Cyperaceae |
| Rhynchospora capitellata | Beak-rush | Cyperaceae |
| Sagittaria graminea var. graminea | Grass-leaved sagittaria | Alismataceae |
| Sagittaria latifolia var. latifolia | Wapato | Alismataceae |
| Sagittaria rigida | Arrowhead | Alismataceae |
| Sarracenia purpurea | Pitcher-plant | Sarraceniaceae |
| Saxifraga pensylvanica | Swamp saxifrage | Saxifragaceae |
| Scheuchzeria palustris* | Pod-grass | Scheuchzeriaceae |
| Schoenoplectus subterminalis | Water bulrush | Cyperaceae |
| Schoenoplectus tabernaemontani | Great bulrush | Cyperaceae |
| Schoenoplectus torreyi** | Torrey's bulrush | Cyperaceae |
| Scirpus ancistrochaetus++** | Northeastern bulrush | Cyperaceae |
| Scirpus atrovirens | Black bulrush | Cyperaceae |
| Scirpus expansus | Wood bulrush | Cyperaceae |
| Scirpus hattorianus | Bulrush | Cyperaceae |
| Scirpus polyphyllus | Bulrush | Cyperaceae |
| Scutellaria galericulata | Common skullcap | Lamiaceae |
| Sium suave | Water-parsnip | Apiaceae |
| Solidago patula | Spreading goldenrod | Asteraceae |
| Solidago uliginosa var. peracuta | Bog goldenrod | Asteraceae |
| Solidago uliginosa var. uliginosa | Bog goldenrod | Asteraceae |
| Sparganium americanum | Bur-reed | Sparganiaceae |
| Sparganium angustifolium | Bur-reed | Sparganiaceae |
| Sparganium chlorocarpum | Bur-reed | Sparganiaceae |
| Sparganium fluctuans | Bur-reed | Sparganiaceae |
| Spirodela polyrhiza | Greater duckweed | Lemnaceae |
| Symphyotrichum boreale** | Northern bog aster | Asteraceae |
| Symphyotrichum firmum | Purple-stemmed aster | Asteraceae |
| Symphyotrichum puniceum var. puniceum | Purple-stemmed aster | Asteraceae |
| Symplocarpus foetidus | Skunk cabbage | Araceae |
| Triadenum fraseri | Marsh St. Johns-wort | Clusiaceae |
| Triadenum virginicum | Marsh St. John's-wort | Clusiaceae |
| Trollius laxus | Spreading globe-flower | Ranunculaceae |
| Typha latifolia | Common cat-tail | Typhaceae |
| Utricularia cornuta | Horned bladderwort | Lentibulariaceae |
| Utricularia geminiscapa | Bladderwort | Lentibulariaceae |
| Utricularia macrorhiza | Common bladderwort | Lentibulariaceae |
| Utricularia purpurea | Purple bladderwort | Lentibulariaceae |
| Vallisneria americana var. americana | Tape-grass | Hydrocharitaceae |
| Veronica americana | American brooklime | Scrophulariaceae |
| Veronica scutellata | Marsh speedwell | Scrophulariaceae |
| Viola lanceolata var. lanceolata | Lance-leaved violet | Violaceae |
| Viola macloskeyi ssp. pallens | Sweet white violet | Violaceae |
| Woodwardia virginica | Virginia chain fern | Blechnaceae |
| Xyris difformis | Yellow-eyed-grass | Xyridaceae |
| Xyris montana* | Yellow-eyed-grass | Xyridaceae |
| Zosterella dubia | Water star-grass | Pontederiaceae |
