Plant List |
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(Botanical Name) |
- Acarospora fuscata  (brown cobblestone lichen)
- Acer pensylvanicum  (striped maple, goosefoot maple)
- Acer rubrum  (red maple, swamp maple)
- Acer saccharinum  (silver maple)
- Achillea millefolium  (common yarrow)
- Actaea pachypoda  (doll's-eyes)
- Agalinis purpurea  (purple agalinis)
- Agalinis tenuifolia  (slender false foxglove)
- Aleuria aurantia  (orange peel fungus)
- Aleurodiscus oakesii  (smooth patch disease)
- Alisma subcordatum  (American water plantain)
- Alnus incana  (speckled alder)
- Amanita abrupta  (American abrupt-bulbed Lepidella)
- Amanita bisporigera  (eastern destroying angel)
- Amanita brunnescens  (cleft-foot amanita)
- Amanita citrina f. lavendula  (Coker's lavender staining amanita)
- Amanita cokeri  (Coker's amanita, solitary lepidella)
- Amanita crenulata  (poison champagne amanita)
- Amanita elongata  (Peck's yellow dust amanita)
- Amanita flavoconia  (yellow patches, yellow wart)
- Amanita fulva  (tawny grisette)
- Amanita rubescens  (blushing amanita, the blusher)
- Amanita vaginata  (grisette mushroom)
- Amanita velatipes  (great funnel-veil amanita)
- Amelanchier arborea  (downy servicberry)
- Amelanchier canadensis  (Canadian serviceberry)
- Amphicarpaea bracteata  (American hog-peanut)
- Anemone americana  (round-lobed hepatica)
- Anemone quinquefolia  (wood anemone)
- Angelina rufescens  (bird-seed fungus)
- Antennaria neglecta  (field pussytoes)
- Antennaria plantaginifolia  (plantain-leaved pussytoes)
- Apioperdon pyriforme  (pear-shaped puffball)
- Apios americana  (American groundnut)
- Apocynum androsaemifolium  (spreading dogbane)
- Apocynum cannabinum  (Indian hemp)
- Aquilegia canadensis  (eastern red columbine)
- Aralia hispida  (bristly sarsaparilla)
- Aralia nudicaulis  (wild sarsaparilla)
- Arceuthobium pusillum  (eastern dwarf mistletoe)
- Arisaema triphyllum  (Jack-in-the-pulpit)
- Aronia arbutifolia  (red chokeberry)
- Aronia melanocarpa  (black chokeberry)
- Asclepias incarnata  (swamp milkweed)
- Asclepias syriaca  (common milkweed)
- Asclepias tuberosa  (butterfly milkweed)
- Aspicilia cinereaa  (cinder lichen)
- Astraeus hygrometricus  (hygroscopic earthstart)
- Athyrium angustum  (lady fern, northern lady fern)
- Atrichum angustatum  (lesser smoothcap, star moss)
- Aureolaria grandiflora  (large-flowered false foxglove)
- Aureolaria pedicularia  (fern-leaved false foxglove)
- Aureolaria virginica  (downy yellow false foxglove)
- Auricularia angiospermarum  (wood-ear)
- Baorangia bicolor  (two-colored bolete)
- Baptisia tinctoria  (yellow wild indigo)
- Bartramia pomiformis  (apple moss)
- Bazzania trilobata  (three-lobed bazzania, greater whipwort)
- Bertia moriformis  (wood mulberry)
- Betula alleghaniensis  (yellow birch)
- Betula lenta  (sweet birch, black birch, cherry birch)
- Betula nigra  (river birch)
- Betula papyrifera  (paper birch, white birch)
- Betula populifolia  (gray birch)
- Bidens cernua  (nodding beggarticks)
- Boehmeria cylindrica  (false nettle)
- Botrychium dissectum  (cut-leaf grape fern)
- Brasenia schreberi  (watershield)
- Bulbostylis capillaris  (tufted hair-sedge, threadleaf beakseed)
- Callicladium haldanianum  (Haldane's moss, beautiful branch moss)
- Callicladium imponens  (brocade moss)
- Calopogon tuberosus  (tuberous grass-pink)
- Caltha palustris  (marsh-marigold)
- Calystegia sepium  (hedge false bindweed)
- Capnoides sempervirens  (pink corydalis)
- Cardamine diphylla  (two-leaved toothwort)
- Cardamine pensylvanica  (Pennsylvania bittercress)
- Carex atlantica  (prickly bog sedge)
- Carex comosa  (bristly sedge)
- Carex crinita  (fringed sedge)
- Carex echinata  (star sedge)
- Carex intumescens  (greater bladder sedge, shining bur sedge)
- Carex lacustris  (lakeside sedge)
- Carex lupulina  (hop sedge)
- Carex lurida  (shallow sedge)
- Carex pensylvanica  (Pennsylvania sedge)
- Carex scoparia  (pointed broom sedge)
- Carex stipata  (prickly sedge, awl-fruited sedge)
- Carex stricta  (tussock sedge)
- Carex tribuloides  (blunt broom sedge)
- Carex utriculata  (common beaked sedge)
- Carex vesicaria  (blister sedge, lesser bladder sedge)
- Carex vulpinoidea  (fox sedge)
- Carpinus caroliniana  (American hornbeam)
- Carya glabra  (pignut hickory)
- Castanea dentata  (American chestnut)
- Ceanothus americanus  (New Jersey tea)
- Cephalanthus occidentalis  (buttonbush)
- Ceriporia spissa  (orange waxpore)
- Cladonia ochrochlora  (redshank)
- Cerrena unicolor  (mossy maze polypore)
- Chamaecrista fasciculata  (showy partridge pea)
- Chamaecrista nictitans  (sensitive partridge pea)
- Chamaedaphne calyculata  (leatherleaf)
- Chamaepericlymenum canadense  (bunchberry)
- Chelone glabra  (white turtlehead)
- Chimaphila maculata  (spotted wintergreen)
- Chimaphila umbellata  (pipsissewa)
- Cicuta maculata  (spotted water hemlock, water hemlock)
- Circaea canadensis  (enchanter's nightshade)
- Cladonia apodocarpa  (stalkless cladoniais)
- Cladonia arbuscula  (reindeer lichen)
- Cladonia caespiticia  (stubby-stalked cladonia)
- Cladonia cervicornis  (ladder lichen)
- Cladonia chlorophaea  (mealy pixie-cup lichen)
- Cladonia coniocraea  (common powderhorn)
- Cladonia cristatella  (British soldiers lichen)
- Cladonia fimbriata  (trumpet lichen)
- Cladonia floerkeana  (gritty British soldiers lichen)
- Cladonia incrassata  (powder-foot British soldiers)
- Cladonia leporina  (jester lichen)
- Cladonia macilenta  (lipstick powderhorn)
- Cladonia ochrochlora  (smooth-footed powderhorn)
- Cladonia pleurota  (red-fruited pixie cup)
- Cladonia pyxidata  (pebbled pixie-cup)
- Cladonia rangiferina  (gray reindeer lichen)
- Cladonia rei  (wand lichen)
- Cladonia scabriuscula  (mealy forked cladonia)
- Cladonia squamosa  (Cladonia squamosa)
- Cladonia strepsilis  (olive Cladonia)
- Clavulina coralloides  (white coral fungus, crested coral fungus)
- Clavulina rugosa  (wrinkled coral fungus)
- Clavulinopsis fusiformis  (golden spindles)
- Claytonia caroliniana  (Carolina springbeauty)
- Clematis virginiana  (virgin's bower)
- Clethra alnifolia  (sweet pepperbush)
- Clinopodium vulgare  (wild basil)
- Clintonia borealis  (blue-bead lily)
- Coltricia perennis  (tiger's eye)
- Comptonia peregrina  (sweetfern)
- Coprinellus micaceus  (glistening inkcap)
- Coprinopsis atramentaria  (common ink cap)
- Coptis trifolia  (threeleaf goldthread)
- Coreopsis grandiflora  (large-flowered tickseed)
- Cornus amomum  (silky dogwood)
- Cornus florida  (flowering dogwwod)
- Cornus racemosa  (gray dogwwod)
- Cortinarius iodes  (spotted cort, viscid violet cort)
- Corylus americana  (American hazelnut)
- Craterellus fallax  (eastern black trumpet)
- Craterellus ignicolor  (flame chanterelle, yellow foot)
- Crocanthemum canadense  (Canada frostweed)
- Crucibulum laeve  (common bird's nest fungus)
- Cyperus esculentus  (yellow nutsedge)
- Cypripedium acaule  (pink lady's slipper)
- Dacrymyces chrysospermus  (orange jelly spot)
- Dacrymyces spathularia  (fan-shaped jelly fungus)
- Dacrymyces stillatus  (common jelly spot)
- Daedaleopsis confragosa  (thin-walled maze polypore)
- Daedaleopsis tricolor  (three-colored gill polypore, blushing bracket)
- Daldinia childiae  (carbon ball fungus)
- Dasiphora fruticosa  (shrubby cinquefoil)
- Decodon verticillatus  (swamp loosestrife)
- Dendrolycopodium hickeyi  (Hickey's tree club-moss)
- Dendrolycopodium obscurum  (princess pine)
- Dennstaedtia punctilobula  (hay-scented fern)
- Desmodium canadense  (showy tick-trefoil)
- Dibaeis baeomyces  (pink earth lichen)
- Dicentra cucullaria  (Dutchman's breeches)
- Dicranum fulvum  (boulder broom moss)
- Dicranum montanum  (mountain fork moss)
- Dicranum polysetum  (wavy broom moss)
- Dicranum scoparium  (windswept broom moss)
- Dicranum tauricum  (fragile fork-moss)
- Diervilla lonicera  (northern bush honeysuckle)
- Diphasiastrum digitatum  (fan clubmoss)
- Diphasiastrum tristachyum  (blue ground-cedar)
- Diploschistes scruposus  (crater lichen)
- Doellingeria umbellata  (tall flat-topped white aster)
- Drosera intermedia  (spoonleaf sundew)
- Dryopteris marginalis  (marginal wood fern)
- Dulichium arundinaceum  (three-way sedge)
- Echinochloa walteri  (Walter's barnyard grass)
- Echinocystis lobata  (wild cucumber)
- Eleocharis obtusa  (blunt spikerush)
- Eleocharis palustris  (common spikerush)
- Epigaea repens  (trailing arbutus)
- Epilobium ciliatum  (fringed willow-herb)
- Epilobium coloratum  (purpleleaf willowherb)
- Equisetum arvense  (field horsetail)
- Equisetum fluviatile  (water horsetail, swamp horsetail)
- Equisetum hyemale  (rough horsetail)
- Erechtites hieraciifolius  (American burnweed)
- Erigeron annuus  (annual fleabane)
- Erigeron pulchellus  (Robin's-plantain)
- Erigeron strigosus  (daisy fleabane)
- Eriocaulon aquaticum  (seven-angled pipewort)
- Eriophorum virginicum  (tawny cottonsedge)
- Erythronium americanum  (yellow trout lily)
- Eupatorium hyssopifolium  (hyssop-leaved thoroughwort)
- Eupatorium perfoliatum  (common boneset)
- Eurybia divaricata  (white wood aster)
- Euthamia graminifolia  (flat-top goldentop, grass-leaved goldenrod)
- Eutrochium fistulosum  (hollow Joe-Pye weed)
- Eutrochium maculatum  (spotted Joe Pye weed)
- Evernia mesomorpha  (boreal oakmoss)
- Exidia crenata  (amber jelly roll)
- Exidia glandulosa  (black witches' butter)
- Exidia nigricans  (warlock's butter)
- Filavoparmelia baltimorensis  (rock greenshield lichen)
- Flammulina velutipes  (velvet shank, velvet foot)
- Flavoparmelia caperata  (greenshield lichen)
- Fomes excavatus  (tinder polypore, hoof fungus)
- Fomitopsis betulina  (birch polypore)
- Fragaria virginiana  (wild strawberry)
- Frullania eboracensis  (New York scalewort)
- Fuligo septica  (dog vomit slime mold)
- Funaria hygrometrica  (bonfire moss)
- Galerina paludosa  (bog bell)
- Galium asprellum  (rough bedstraw)
- Galium obtusum  (bluntleaf bedstraw)
- Ganoderma tsugae  (hemlock varnish shelf)
- Gaultheria procumbens  (eastern wintergreen, wintergreen)
- Gaylussacia baccata  (black huckleberry)
- Gentiana clausa  (closed gentian)
- Gentiana linearis  (narrowleaf gentian)
- Gentianopsis crinita  (fringed gentian)
- Geranium maculatum  (wild geranium)
- Goodyera pubescens  (downy rattlesnake plantain)
- Hamamelis virginiana  (common witchhazel)
- Hebeloma mesophaeum  (veiled poisonpie)
- Hedwigia ciliata  (white-tipped moss)
- Helenium autumnale  (common sneezeweed)
- Helenium flexuosum  (purple-headed sneezeweed)
- Helianthus decapetalus  (thin-leaved/ten-petaled sunflower)
- Helianthus divaricatus  (woodland sunflower)
- Hexasepalum teres  (rough buttonweed)
- Hibiscus moscheutos  (swamp rose mallow)
- Hieracium paniculatum  (Allegheny hawkweed)
- Houstonia caerulea  (azure bluet, little bluet, Quaker ladies)
- Hudsonia tomentosa  (beach heather, sand false heather)
- Humidicutis marginata  (orange gilled waxcap)
- Hygrocybe cantharellus  (goblet waxcap)
- Hygrocybe conica  (witch's hat)
- Hygrocybe miniata  (vermilion waxcap)
- Hypericum boreale  (northern St. John's-wort)
- Hypericum canadense  (Canada St. John's wort)
- Hypericum ellipticum  (pale St. John's-wort)
- Hypericum gentianoides  (orangegrass)
- Hypoxis hirsuta  (yellow star-grass)
- Ilex verticillata  (winterberry)
- Impatiens capensis  (orange jewelweed)
- Ionactis linariifolia  (stiff aster)
- Iris versicolor  (northern blue flag)
- Irpex lacteus  (milk-white toothed polypore)
- Irpiciporus pachyodon  (marshmallow polypore)
- Juglans nigra  (black walnut)
- Juncus articulatus  (joint-leaf rush)
- Juncus effusus  (common soft rush, soft rush)
- Juniperus communis  (common juniper)
- Juniperus virginiana  (eastern redcedar)
- Kalmia angustifolia  (sheep laurel)
- Kalmia latifolia  (mountain laurel)
- Laccaria laccata  (deceiver)
- Laccaria trullisata  (sandy laccaria)
- Lactarius helvus  (burnt-sugar milky)
- Lactarius vinaceorufescens  (yellow-latex milkcap)
- Lactuca canadensis  (Canada wild lettuce)
- Laetiporus sulphureus  (chicken-of-the-woods)
- Larix laricina  (American larch, tamarack)
- Lasallia papulosa  (common toadskin lichen)
- Leccinum aurantiacum  (orange oak bolete)
- Leccinum longicurvipes  (scaber-stalk bolete)
- Leccinum scabrum  (brown birch bolete)
- Lentinus brumalis  (winter polypore)
- Leptogium cyanescens  (blue jellyskin)
- Lespedeza capitata  (round-headed bush clover)
- Lespedeza virginica  (slender bush clover)
- Leucobryum glaucum  (pin cushion moss)
- Liatris novae-angliae  (New England blazing-star)
- Lilium canadense  (Canada lily)
- Lilium philadelphicum  (wood lily)
- Lindera benzoin  (spicebush)
- Lindernia dubia  (yellowseed false pimpernel)
- Lobelia cardinalis  (cardinal flower)
- Lobelia inflata  (Indian tobacco)
- Lobelia siphilitica  (great blue lobelia)
- Lycogala epidendrum  (wolf's milk slime mold)
- Lycoperdon marginatum  (peeling puffball)
- Lycoperdon perlatum  (common puffball, warted puffball)
- Lycoperdon pratense  (meadow puffball)
- Lycopodium clavatum  (running clubmoss, stag's-horn clubmoss)
- Lycopus americanus  (American bugleweed)
- Lyonia ligustrina  (maleberry, he-huckleberry)
- Lysimachia borealis  (starflower)
- Lysimachia ciliata  (fringed yellow loosestrife)
- Lysimachia quadrifolia  (whorled loosestrife)
- Lysimachia terrestris  (swamp candles)
- Macrolepiota procera  (parasol mushroom)
- Maianthemum canadense  (Canada mayflower)
- Maianthemum racemosum  (false Solomon's seal)
- Medeola virginiana  (Indian cucumber-root)
- Megacollybia rodmanii  (platterful mushroom)
- Melampyrum lineare  (cow-wheat)
- Mentha canadensis  (Canada mint)
- Mimulus ringens  (Allegheny monkey-flower)
- Mitchella repens  (partridgeberry)
- Moehringia lateriflora  (bluntleaf sandwort, grove sandwort)
- Monarda fistulosa  (wild bergamot)
- Monarda punctata  (spotted beebalm, horsemint)
- Monotropa hypopitys  (pinesap)
- Monotropa uniflora  (Indian pipe)
- Multiclavula mucida  (white green-algae coral)
- Myrica gale  (sweetgale, bog myrtle)
- Nabalus alba  (white rattlesnakeroot)
- Nabalus altissimus  (tall rattlesnakeroot)
- Neofavolus alveolaris  (hexagonal-pored polypore)
- Nuttallanthus canadensis  (blue toadflax)
- Nymphaea odorata  (fragrant water-lily)
- Oclemena acuminata  (whorled wood aster)
- Oenothera biennis  (evening primrose)
- Onoclea sensibilis  (sensitive fern)
- Orobanche uniflora  (one-flowered cancer-root, one-flowered broomrape)
- Osmunda regalis  (royal fern)
- Osmundastrum cinnamomeum  (cinnamon fern)
- Ostrya virginiana  (American hophornbeam)
- Packera aurea  (golden groundsel, golden ragwort)
- Packera paupercula  (balsam groundsel, balsam ragwort)
- Panax trifolius  (dwarf ginseng)
- Parmelia sulcata  (shield lichen)
- Parmotrema crinitum  (salted ruffle lichen)
- Parmotrema reticulatum  (black sheet lichen)
- Peltigera hymenina  (No common name)
- Penstemon digitalis  (foxglove beardtongue)
- Persicaria coccinea  (scarlet smartweed)
- Persicaria hydropiperoides  (swamp smartweed)
- Phalaris arundinacea  (reed canary grass)
- Phlebia radiata  (wrinkled crust)
- Phytolacca americana  (American pokeweed)
- Picea mariana  (black spruce, bog spruce, swamp spruce)
- Pinus rigida  (pitch pine)
- Plagiomnium cuspidatum  (baby-tooth moss)
- Platanthera lacera  (green fringed bog-orchid, ragged fringed orchid)
- Platanus occidentalis  (American sycamore)
- Pleurotus ostreatus  (oyster mushroom)
- Pleurozium schreberi  (red-stemmed feather moss)
- Pogonia ophioglossoides  (rose pogonia)
- Polygala sanguinea  (purple milkwort)
- Polygaloides paucifolia  (fringed polygala, gaywings)
- Polygonum articulatum  (northern jointweed)
- Polypogium virginianum  (rock polypody, rockcap fern)
- Polystichum acrostichoides  (Christmas fern)
- Polytrichum commune  (common haircap moss)
- Polytrichum juniperinum  (juniper haircap moss)
- Polytrichum piliferum  (bristly haircap moss)
- Pontederia cordata  (pickerelweed)
- Populus deltoides  (eastern cottonwood)
- Populus grandidentata  (bigtooth aspen, big-toothed poplar)
- Populus tremuloides  (quaking aspen)
- Poronidulus conchifer  (little nest polypore)
- Porpidia crustulata  (concentric boulder lichen)
- Potentilla canadensis  (dwarf cinquefoil)
- Potentilla norvegica  (Norwegian cinquefoil, rough cinquefoil)
- Potentilla simplex  (common cinquefoil, oldfield cinquefoil)
- Proserpinaca palustris  (marsh mermaidweed)
- Prunella vulgaris  (heal-all)
- Prunus maritima  (beach plum)
- Prunus pensylvanica  (pin cherry, fire cherry)
- Prunus serotina  (black cherry)
- Prunus virginiana  (chokecherry)
- Pseudognaphalium obtusifolium  (rabbit tobacco)
- Pteridium aquilinum  (bracken fern, common bracken)
- Ptychostomum capillare  (capillary thread-moss)
- Pycnanthemum muticum  (mountain mint, short-toothed mountain mint)
- Pycnoporus cinnabarinus  (northern cinnabar polypore)
- Pycnothelia papillaria  (gnome fingers, nipple lichen)
- Pyrola americana  (American shinleaf, American wintergreen)
- Quercus ilicifolia  (bear oak, scrub oak)
- Quercus velutina  (black oak)
- Ramaria formosa  (yellow-tipped coral fungus)
- Rhexia virginica  (Virginia meadow beauty)
- Rhododendron viscosum  (swamp azalea)
- Rhus copallinum  (winged sumac)
- Rhus glabra  (smooth sumac)
- Rhus typhina  (staghorn sumac)
- Rhynchospora alba  (white beak-sedge)
- Rickenella fibula  (orange mosscap)
- Rosa carolina  (Carolina rose, pasture rose)
- Rosa palustris  (swamp rose)
- Rosa virginiana  (Virginia rose)
- Rubus allegheniensis  (Allegheny blackberry, common blackberry)
- Rubus flagellaris  (common dewberry, northern blackberry)
- Rubus hispidus  (bristly dewberry)
- Rubus occidentalis  (black raspberry)
- Rudbeckia hirta  (black-eyed Susan)
- Rudbeckia laciniata  (green-headed coneflower)
- Russula parvovirescens  (blue-green cracking russula)
- Russula sanguinea  (rosy russula, blood red russula)
- Sagittaria latifolia  (broadleaf arrowhead)
- Salix discolor  (American pussy willow, pussy willow)
- Salix interior  (sandbar willow)
- Sambucus canadensis  (American elderberry, common elderberry)
- Sanguinaria canadensis  (bloodroot)
- Sarracenia purpurea  (purple pitcher plant)
- Sassafras albidum  (sassafras)
- Schizachyrium scoparium  (little bluestem)
- Schizophyllum commune  (split-gill mushroom)
- Schoenoplectus tabernaemontani  (soft-stemmed bulrush)
- Scirpus atrocinctus  (black-girdled woolsedge)
- Scirpus atrovirens  (dark-green bulrush)
- Scirpus cyperinus  (woolgrass, common woolsedge)
- Scirpus microcarpus  (panicled bulrush)
- Scirpus pendulus  (nodding bulrush, rufous bulrush)
- Scutellaria galericulata  (common skullcap)
- Scutellaria lateriflora  (mad-dog skullcap)
- Selaginella apoda  (meadow spike-moss)
- Senna hebecarpa  (American senna, wild senna)
- Sericocarpus asteroides  (toothed white-topped aster)
- Sibbaldiopsis tridentata  (three-toothed-cinquefoil, shrubby five-fingers)
- Smilax rotundifolia  (common greenbrier, roundleaf greenbrier)
- Sisyrinchium atlanticum  (eastern blue-eyed grass)
- Sisyrinchium montanum  (strict blue-eyed grass)
- Solidago bicolor  (silverrod)
- Solidago caesia  (blue-stemmed goldenrod)
- Solidago canadensis  (Canada goldenrod)
- Solidago juncea  (early goldenrod)
- Solidago nemoralis  (gray goldenrod, old field goldenrod)
- Solidago puberula  (downy goldenrod)
- Solidago rugosa  (rough goldenrod, wrinkle-leaved goldenrod)
- Sorghastrum nutans  (Indian grass)
- Sparganium eurycarpum  (giant bur-reed)
- Sphagnum capillifolium  (small red peat moss)
- Spiraea alba  (meadowsweet)
- Spiraea tomentosa  (steeplebush)
- Spiranthes cernua  (nodding lady's tresses)
- Spiranthes lucida  (shining lady's tresses)
- Stellaria longifolia  (long-leaved stitchwort)
- Stereum lobatum  (false turkey-tail)
- Stereum striatum  (silky parchment)
- Strobilomyces strobilaceus  (old man of the woods)
- Suillus americanus  (chicken-fat mushroom)
- Suillus spraguei  (painted suillus, painted slipperycap)
- Symphyotrichum cordifolium  (blue wood aster, heartleaf aster)
- Symphyotrichum ericoides  (heath aster, white heath aster)
- Symphyotrichum lanceolatum  (panicled aster)
- Symphyotrichum novae-angliae  (New England aster)
- Symphyotrichum novi-belgii  (Michaelmas daisy, New York aster)
- Symphyotrichum pilosum  (frost aster, awl aster)
- Symphyotrichum puniceum  (purplestem aster)
- Symplocarpus foetidus  (eastern skunk cabbage)
- Thalictrum pubescens  (tall meadow rue)
- Thalictrum thalictroides  (rue-anemone)
- Thelephora terrestris  (common fiber vase, earthfan)
- Thelypteris palustris  (marsh fern)
- Thuidium delicatulum  (delicate fern moss, common fern moss)
- Thuja occidentalis  (northern white-cedar, eastern arborvitae)
- Tortella tortuosa  (twisted moss)
- Toxicodendron radicans  (poison ivy, eastern poison ivy)
- Tradescantia ohiensis  (Ohio spiderwort)
- Trametes betulina  (gilled polypore)
- Trametes versicolor  (turkey tail fungus)
- Trametopsis cervina  (fawn-colored trametes)
- Tremellodendron schweinitzii  (jellied false coral fungus)
- Tremellodendropsis tuberosa  (ashen coral fungus)
- Triadenum virginicum  (marsh St. Johnswort)
- Trichaptum abietinum  (purplepore bracket)
- Trichostema dichotomum  (forked bluecurls)
- Trillium erectum  (red trillium, red wakerobin, wakerobin)
- Triodanis perfoliata  (clasping Venus' looking-glass)
- Tuckermanopsis americana  (fringed wrinkle-lichen)
- Tylopilus rubrobrunneus  (reddish brown bitter bolete)
- Typha latifolia  (common cattail)
- Ulota crispa  (crisped pincushion moss)
- Umbilicaria mammulata  (smooth rock tripe)
- Usnea hirta  (bristly beard lichen)
- Usnea subfloridana  (boreal beard lichen)
- Usnocetraria oakesiana  (yellow ribbon lichen)
- Utricularia gibba  (creeping bladderwort)
- Utricularia macrorhiza  (common bladderwort)
- Utricularia purpurea  (eastern purple bladderwort)
- Uvularia sessilifolia  (sessile-leaved bellwort, wild oats)
- Vaccinium angustifolium  (common lowbush blueberry, lowbush blueberry)
- Vaccinium corymbosum  (highbush blueberry)
- Vaccinium macrocarpon  (American cranberry, bearberry, cranberry)
- Veratrum viride  (corn-lily, false hellebore, Indian poke)
- Verbena hastata  (blue vervain)
- Verbena urticifolia  (white vervain)
- Vernonia noveboracensis  (New York ironweed)
- Veronica scutellata  (marsh speedwell)
- Veronicastrum virginicum  (Culver's-root)
- Verseghya thysanophora  (mapledust lichen)
- Viburnum acerifolium  (mapleleaf viburnum)
- Viburnum dentatum  (arrowwood viburnum, smooth arrowwood)
- Viburnum prunifolium  (blackhaw)
- Viola cucullata  (marsh blue violet, marsh violet)
- Viola lanceolata  (bog white violet, lance-leaved violet)
- Viola pedata  (bird's-foot violet)
- Viola sororia  (common blue violet, woolly blue violet)
- Vitis labrusca  (fox grape)
- Vitis vulpina  (frost grape)
- Xerocomus subtomentosus  (suede bolete)
- Xeromphalina kauffmanii  (cross-veined troop mushroom)
- Zizia aurea  (golden alexanders, golden zizia)