This is a list of the species found on this site, in order by the Common Name that is used for each species on this site. Each species appears only once in this list.

A note about Common Names
Common names of plants vary widely from region to region, from person to person, and from book to book. The common names I have used for each species on this website are usually the ones from Newcomb's Wildflower Guide. There are some exceptions, however (for example, what I call Heath Aster (Symphyotrichum ericoides) is not what is listed as "Heath Aster" in Newcomb's).

I have included in this list all the common names that I am aware of. Therefore, a species may be listed here more than once.

CLICK HERE for a list of ALL Common Names for all species on this site.

If you can't find what you are looking for, click here

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Aconite, Winter (Eranthis hyemalis)
Adder's Mouth, Green (Malaxis unifolia)
Agrimony (Agrimonia gryposepala)
Agrimony, Small-flowered (Agrimonia parviflora)
Alexanders, Golden (Zizia aurea)
Alfalfa (Medicago sativa)
Alumroot (Heuchera americana)
Alyssum, Hoary (Berteroa incana)
Amaranth, Green (Amaranthus retroflexus)
Anemone, Canada (Anemone canadensis)
Anemone, Long-fruited (Anemone cylindrica)
Anemone, Rue (Thalictrum thalictroides)
Anemone, Small-flowered (Anemone parviflora)
Anemone, Wood (Anemone quinquefolia)
Angelica, Great (Angelica atropurpurea)
Aniseroot (Osmorhiza longistylis)
Apple-of-Peru (Nicandra physalodes)
Arbutus, Trailing (Epigaea repens)
Archangel, Yellow (Lamiastrum galeobdolon)
Arethusa (Arethusa bulbosa)
Arrowgrass, Marsh (Triglochin palustris)
Arrowgrass, Seaside (Triglochin maritima)
Arrowhead, Common (Sagittaria latifolia)
Artichoke, Jerusalem (Helianthus tuberosus)
Arum, Water (Calla palustris)
Asparagus (Asparagus officinalis)
Aster, Amethyst (Symphyotrichum x amethystinum)
Aster, Arrow-leaved (Symphyotrichum urophyllum)
Aster, Azure (Symphyotrichum oolentangiense)
Aster, Bog (Oclemena nemoralis)
Aster, Calico (Symphyotrichum lateriflorum)
Aster, Flat-topped White (Doellingeria umbellata)
Aster, Fringed Blue (Symphyotrichum ciliolatum)
Aster, Frost (Symphyotrichum pilosum)
Aster, Heart-leaved (Symphyotrichum cordifolium)
Aster, Heath (Symphyotrichum ericoides)
Aster, Large-leaved (Eurybia macrophylla)
Aster, New England (Symphyotrichum novae-angliae)
Aster, Ontario (Symphyotrichum ontarionis)
Aster, Panicled (Symphyotrichum lanceolatum)
Aster, Purple-stemmed (Symphyotrichum puniceum)
Aster, Rayless Annual (Symphyotrichum ciliatum)
Aster, Rush (Symphyotrichum boreale)
Aster, Shreber's (Eurybia schreberi)
Aster, Small Salt Marsh (Symphyotrichum subulatum)
Aster, Smooth (Symphyotrichum laeve)
Aster, Upland White (Solidago ptarmicoides)
Aster, White Wood (Eurybia divaricata)
Aster, Whorled (Oclemena acuminata)
Aster, Willow (Symphyotrichum praealtum)
Avens, Catlings (Geum X catlingii)
Avens, Spring (Geum vernum)
Avens, Water (Geum rivale)
Avens, White (Geum canadense)
Avens, Wood (Geum urbanum)
Avens, Yellow (Geum aleppicum)

Baked-apple Berry (Rubus chamaemorus)
Baneberry, Red (Actaea rubra)
Baneberry, White (Actaea pachypoda)
Bartonia, Yellow (Bartonia virginica)
Basil, Wild (Clinopodium vulgare)
Bean, Trailing Wild (Strophostyles helvola)
Bearberry (Arctostaphylos uva-ursi)
Beardtongue, Foxglove (Penstemon digitalis)
Beardtongue, Hairy (Penstemon hirsutus)
Bedstraw, Labrador (Galium labradoricum)
Bedstraw, Purple (Galium latifolium)
Bedstraw, Small (Galium trifidum)
Bedstraw, Sweet-scented (Galium triflorum)
Bedstraw, Yellow (Galium verum)
Beechdrops (Epifagus virginiana)
Bellflower, Clustered (Campanula glomerata)
Bellflower, Creeping (Campanula rapunculoides)
Bellflower, Marsh (Campanula aparinoides)
Bellflower, Tall (Campanula americana)
Bellwort, Large-flowered (Uvularia grandiflora)
Bellwort, Perfoliate (Uvularia perfoliata)
Bellwort, Sessile-leaved (Uvularia sessilifolia)
Bergamot, Wild (Monarda fistulosa)
Betony, Wood (Pedicularis canadensis)
Bindweed, Eurasian Black (Fallopia convolvulus)
Bindweed, Field (Convolvulus arvensis)
Bindweed, Hedge (Calystegia sepium)
Bindweed, Upright (Calystegia spithamaea)
Bird's Nest, Giant (Pterospora andromedea)
Bistort, Alpine (Bistorta vivipara)
Black-eyed Susan (Rudbeckia hirta)
Bladderwort, Common (Utricularia vulgaris)
Bladderwort, Flat-leaved (Utricularia intermedia)
Bladderwort, Horned (Utricularia cornuta)
Bladderwort, Humped (Utricularia gibba)
Blanket Flower, Showy (Gaillardia pulchella)
Blazing Star, Cylindric (Liatris cylindracea)
Blazing Star, Spiked (Liatris spicata)
Bloodroot (Sanguinaria canadensis)
Blue Curls (Trichostema dichotomum)
Blue-eyed Grass, Common (Sisyrinchium montanum)
Blue-eyed Grass, Slender (Sisyrinchium mucronatum)
Blue-eyed Grass, Stout (Sisyrinchium angustifolium)
Blue-eyed Grass, White (Sisyrinchium albidum)
Bluebells, Northern (Mertensia paniculata)
Bluehearts (Buchnera americana)
Boneset (Eupatorium perfoliatum)
Bower, Virgin's (Clematis virginiana)
Buckbean (Menyanthes trifoliata)
Bunchberry (Cornus canadensis)
Bur Reed, Floating (Sparganium fluctuans)
Bur Reed, Lesser (Sparganium americanum)
Burdock, Common (Arctium minus)
Burnet, Small (Poterium sanguisorba)
Bush Clover, Round-headed (Lespedeza capitata)
Butter-and-eggs (Linaria vulgaris)
Butterbur (Petasites japonicus)
Buttercup, Hispid (Ranunculus hispidus)
Buttercup, White Water (Ranunculus aquatilis)
Butterwort (Pinguicula vulgaris)

Cactus, Prickly Pear (Opuntia humifusa)
Calamint, Low (Clinopodium arkansanum)
Calypso (Calypso bulbosa)
Campion, Bladder (Silene vulgaris)
Campion, Red (Lychnis dioica)
Campion, White (Silene latifolia)
Cancerroot, One-flowered (Orobanche uniflora)
Cancerwort, Roundleaf (Kickxia spuria)
Cancerwort, Sharpleaf (Kickxia elatine)
Cardinal Flower (Lobelia cardinalis)
Carpenter's Square (Scrophularia marilandica)
Carrion Flower (Smilax herbacea)
Carrion Flower (Smilax lasioneura)
Carrion Flower, Illinois (Smilax illinoensis)
Carrot, Wild (Daucus carota)
Catchfly, Night-flowering (Silene noctiflora)
Catnip (Nepeta cataria)
Cattail, Common (Typha latifolia)
Cattail, Narrow-leaved (Typha angustifolia)
Celandine (Chelidonium majus)
Celandine, Lesser (Ficaria verna)
Centaury (Centaurium erythraea)
Centaury, Branching (Centaurium pulchellum)
Chervil, Wild (Anthriscus sylvestris)
Chickweed, Field (Cerastium arvense)
Chickweed, Mouse-ear (Cerastium fontanum)
Chicory (Cichorium intybus)
Chives (Allium schoenoprasum)
Cicely, Sweet (Osmorhiza claytonii)
Cinquefoil, Common (Potentilla simplex)
Cinquefoil, Tall (Drymocallis arguta)
Cinquefoil, Three-toothed (Sibbaldia tridentata)
Clammyweed (Polanisia dodecandra)
Clearweed (Pilea pumila)
Clintonia, Yellow (Clintonia borealis)
Clover, Purple Prairie (Dalea purpurea)
Coffee, Wild (Triosteum perfoliatum)
Cohosh, Blue (Caulophyllum giganteum)
Cohosh, Blue (Caulophyllum thalictroides)
Colicroot (Aletris farinosa)
Coltsfoot (Tussilago farfara)
Coltsfoot, Sweet (Petasites frigidus)
Columbine, Wild (Aquilegia canadensis)
Columbo, American (Frasera caroliniensis)
Compass Plant (Silphium laciniatum)
Coneflower, Gray-headed (Ratibida pinnata)
Coneflower, Green-headed (Rudbeckia laciniata)
Coneflower, Pale Purple (Echinacea pallida)
Coneflower, Purple (Echinacea purpurea)
Coontail, Common (Ceratophyllum demersum)
Coralroot, Early (Corallorhiza trifida)
Coralroot, Spotted (Corallorhiza maculata)
Coralroot, Striped (Corallorhiza striata)
Coreopsis, Tall (Coreopsis tripteris)
Corn, Squirrel (Dicentra canadensis)
Corydalis, Golden (Corydalis aurea)
Corydalis, Yellow (Corydalis flavula)
Cowslip (Primula veris)
Cowwheat (Melampyrum lineare)
Cranberry, Large (Vaccinium macrocarpon)
Cranberry, Small (Vaccinium oxycoccos)
Cranesbill, Bicknell's (Geranium bicknellii)
Creeper, Trumpet (Campsis radicans)
Creeper, Virginia (Parthenocissus quinquefolia)
Cress, Hairy Bitter (Cardamine hirsuta)
Cress, Hairy Rock (Arabis hirsuta)
Cress, Lyre-leaved Rock (Arabidopsis lyrata)
Cress, Mouse Ear (Arabidopsis thaliana)
Cress, Purple (Cardamine douglassii)
Cress, Smooth Rock (Borodinia laevigata)
Cress, Spring (Cardamine bulbosa)
Crocus (Crocus vernus)
Crowfoot, Bristly (Ranunculus pensylvanicus)
Crowfoot, Cursed (Ranunculus sceleratus)
Crowfoot, Hooked (Ranunculus recurvatus)
Crowfoot, Small Yellow Water (Ranunculus gmelinii)
Crowfoot, Small-flowered (Ranunculus abortivus)
Cuckooflower (Cardamine pratensis)
Cucumber Root, Indian (Medeola virginiana)
Cucumber, One-seeded Bur (Sicyos angulatus)
Cucumber, Wild (Echinocystis lobata)
Culver's Root (Veronicastrum virginicum)

Daffodil (Narcissus pseudonarcissus)
Daisy, English (Bellis perennis)
Daisy, Lakeside (Tetraneuris herbacea)
Daisy, Oxeye (Leucanthemum vulgare)
Dandelion, Common (Taraxacum officinale)
Devil's Bit (Chamaelirium luteum)
Dock, Greater Water (Rumex britannica)
Dock, Prairie (Silphium terebinthinaceum)
Duckweed, Lesser (Lemna minor)
Dutchman's Breeches (Dicentra cucullaria)
Dutchman's Pipe (Isotrema macrophyllum)

Elecampane (Inula helenium)

Foamflower (Tiarella cordifolia)
Frogbit (Hydrocharis morsus-ranae)

Gentian, Narrow-leaved (Gentiana linearis)
Gentian, Orange-fruited Horse (Triosteum aurantiacum)
Gentian, Smaller Fringed (Gentianopsis virgata)
Gentian, Spurred (Halenia deflexa)
Geranium, Wild (Geranium maculatum)
Ginger, Wild (Asarum canadense)
Ginseng (Panax quinquefolius)
Ginseng, Dwarf (Panax trifolius)
Goldenrod, Blue-stemmed (Solidago caesia)
Goldenrod, Bog (Solidago uliginosa)
Goldenrod, Canada (Solidago canadensis)
Goldenrod, Early (Solidago juncea)
Goldenrod, Grass-leaved (Euthamia graminifolia)
Goldenrod, Gray (Solidago nemoralis)
Goldenrod, Hairy (Solidago hispida)
Goldenrod, Houghton's (Solidago houghtonii)
Goldenrod, Late (Solidago gigantea)
Goldenrod, Ohio (Solidago ohioensis)
Goldenrod, Rough-leaved (Solidago patula)
Goldenrod, Rough-stemmed (Solidago rugosa)
Goldenrod, Seaside (Solidago sempervirens)
Goldenrod, Sharp-leaved (Solidago arguta)
Goldenrod, Showy (Solidago speciosa)
Goldenrod, Stiff-leaved (Solidago rigida)
Goldenrod, Stout (Solidago squarrosa)
Goldenrod, Tall (Solidago altissima)
Goldenrod, Zigzag (Solidago flexicaulis)
Goldenseal (Hydrastis canadensis)
Goldthread (Coptis trifolia)
Grass Pink (Calopogon tuberosus)
Grass-of-Parnassus (Parnassia glauca)
Green Dragon (Arisaema dracontium)
Ground Cherry, Clammy (Physalis heterophylla)
Ground Cherry, Smooth (Physalis longifolia)

Harbinger-of-Spring (Erigenia bulbosa)
Harebell (Campanula rotundifolia)
Heather, False (Hudsonia tomentosa)
Hedge Parsley, Japanese (Torilis japonica)
Helleborine (Epipactis helleborine)
Hemlock, Bulb-bearing Water (Cicuta bulbifera)
Hemlock, Poison (Conium maculatum)
Hemlock, Water (Cicuta maculata)
Hepatica, Round-lobed (Anemone americana)
Hepatica, Sharp-lobed (Anemone acutiloba)
Herb Robert (Geranium robertianum)
Himalayan Balsam (Impatiens glandulifera)
Honewort (Cryptotaenia canadensis)
Honeysuckle, Bush (Diervilla lonicera)
Horsemint (Monarda punctata)
Hound's Tongue (Cynoglossum officinale)
Hyacinth, Grape (Muscari botryoides)
Hyssop, Yellow Giant (Agastache nepetoides)

Indian Paintbrush (Castilleja coccinea)
Indian Pipe (Monotropa uniflora)
Indigo, False (Amorpha fruticosa)
Iris, Blue Flag (Iris versicolor)
Iris, Dwarf Lake (Iris lacustris)
Iris, Yellow (Iris pseudacorus)
Ironweed, Tall (Vernonia gigantea)
Ivy, Ground (Glechoma hederacea)
Ivy, Poison (Toxicodendron rydbergii)

Jack-in-the-Pulpit (Arisaema triphyllum)
Joe Pye Weed, Spotted (Eutrochium maculatum)
Joe Pye Weed, Sweet-scented (Eutrochium purpureum)
Jointweed, Northern (Polygonum articulatum)
Jumpseed (Persicaria virginiana)

Knotweed, Japanese (Fallopia japonica)

Ladies' Tresses, Great Plains (Spiranthes magnicamporum)
Ladies' Tresses, Hooded (Spiranthes romanzoffiana)
Ladies' Tresses, Nodding (Spiranthes cernua)
Ladies' Tresses, Northern Slender (Spiranthes lacera)
Ladies' Tresses, Wide-leaved (Spiranthes lucida)
Lady's Slipper, Hybrid (Cypripedium parviflorum X C. candidum)
Lady's Slipper, Large Yellow (Cypripedium parviflorum var pubescens)
Lady's Slipper, Pink (Cypripedium acaule)
Lady's Slipper, Ram's Head (Cypripedium arietinum)
Lady's Slipper, Showy (Cypripedium reginae)
Lady's Slipper, Small White (Cypripedium candidum)
Lady's Slipper, Small Yellow (Cypripedium parviflorum var makasin)
Lamb's Quarters (Chenopodium album)
Leatherleaf (Chamaedaphne calyculata)
Leek, Wild (Allium tricoccum)
Lettuce, White (Nabalus albus)
Lily, Michigan (Lilium michiganense)
Lily, Trout (Erythronium americanum)
Lily, White Trout (Erythronium albidum)
Lily, Wood (Lilium philadelphicum)
Lizard's Tail (Saururus cernuus)
Lobelia, Great (Lobelia siphilitica)
Looking-glass, Venus's (Triodanis perfoliata)
Loosestrife, Fringed (Lysimachia ciliata)
Loosestrife, Prairie (Lysimachia quadriflora)
Loosestrife, Purple (Lythrum salicaria)
Loosestrife, Swamp (Decodon verticillatus)
Loosestrife, Tufted (Lysimachia thyrsiflora)
Loosestrife, Whorled (Lysimachia quadrifolia)
Loosestrife, Yellow (Lysimachia terrestris)
Lopseed (Phryma leptostachya)
Lungwort, Sea (Mertensia maritima)
Lupine, Wild (Lupinus perennis)

Mandarin, Yellow (Prosartes lanuginosa)
Marigold, Marsh (Caltha palustris)
Marigold, Water (Bidens beckii)
Mayapple (Podophyllum peltatum)
Mayflower, Canada (Maianthemum canadense)
Meadow Beauty (Rhexia virginica)
Meadow Rue, Early (Thalictrum dioicum)
Medick, Black (Medicago lupulina)
Mermaid, False (Floerkea proserpinacoides)
Mignonette, Yellow Upright (Reseda lutea)
Milkvetch, Canada (Astragalus canadensis)
Milkweed, Butterfly (Asclepias tuberosa)
Milkweed, Common (Asclepias syriaca)
Milkweed, Poke (Asclepias exaltata)
Milkweed, Purple (Asclepias purpurascens)
Milkweed, Swamp (Asclepias incarnata)
Milkweed, Whorled (Asclepias verticillata)
Mint, Downy Wood (Blephilia ciliata)
Miterwort (Mitella diphylla)
Miterwort, Naked (Mitella nuda)
Monkey Flower, Square-stemmed (Mimulus ringens)
Moonseed, Canada (Menispermum canadense)
Mountain Avens, White (Dryas integrifolia)
Mountain Mint, Hairy (Pycnanthemum verticillatum)
Mountain Mint, Virginia (Pycnanthemum virginianum)
Mullein, Common (Verbascum thapsus)
Mullein, Dark (Verbascum nigrum)
Mullein, Moth (Verbascum blattaria)
Mustard, Garlic (Alliaria petiolata)

Nightshade, Enchanter's (Circaea canadensis)
Nipplewort (Lapsana communis)

Onion, Nodding Wild (Allium cernuum)
Orchid, Alaska (Platanthera unalascensis)
Orchid, Blunt Leaf Rein (Platanthera obtusata)
Orchid, Club Spur (Platanthera clavellata)
Orchid, Hooker's (Platanthera hookeri)
Orchid, Large Round Leaf (Platanthera macrophylla)
Orchid, Long-bracted Green (Dactylorhiza viridis)
Orchid, Northern Green (Platanthera hyperborea)
Orchid, Prairie White Fringed (Platanthera leucophaea)
Orchid, Ragged Fringed (Platanthera lacera)
Orchid, Round Leaf (Platanthera orbiculata)
Orchid, Small Round-leaved (Galearis rotundifolia)
Orchid, Smaller Purple Fringed (Platanthera psycodes)
Orchid, White Bog (Platanthera dilatata)
Orchid, White Fringed (Platanthera blephariglottis)
Orchis, Showy (Galearis spectabilis)
Oxeye (Heliopsis helianthoides)

Pansy, Field (Viola bicolor)
Parsnip, Water (Sium suave)
Partridgeberry (Mitchella repens)
Pea, Beach (Lathyrus japonicus)
Pennyroyal, False (Trichostema brachiatum)
Periwinkle (Vinca minor)
Pickerelweed (Pontederia cordata)
Pimpernel, Yellow (Taenidia integerrima)
Pinesap (Hypopitys monotropa)
Pinweed, Hairy (Lechea mucronata)
Pipsissewa (Chimaphila umbellata)
Plantain, Robin's (Erigeron pulchellus)
Pogonia, Rose (Pogonia ophioglossoides)
Pokeweed (Phytolacca americana)
Polygala, Fringed (Polygaloides paucifolia)
Poppy, Celandine (Stylophorum diphyllum)
Prairie Smoke (Geum triflorum)
Primrose, Dwarf Canadian (Primula mistassinica)
Puccoon, Fringed (Lithospermum incisum)
Puccoon, Hairy (Lithospermum caroliniense)
Purslane (Portulaca oleracea)
Purslane, Milk (Euphorbia maculata)
Pussytoes, Field (Antennaria neglecta)
Pussytoes, Parlin's (Antennaria parlinii)
Pyrola, Green-flowered (Pyrola chlorantha)
Pyrola, One-Flowered (Moneses uniflora)
Pyrola, One-sided (Orthilia secunda)

Ragged Robin (Silene flos-cuculi)
Ragwort, Prairie (Packera plattensis)
Rattlesnake Plantain, Downy (Goodyera pubescens)
Rattlesnake Plantain, Dwarf (Goodyera repens)
Rattlesnake Plantain, Green-leaved (Goodyera oblongifolia)
Rattlesnakeroot, Glaucous (Nabalus racemosus)
Rattlesnakeroot, Tall (Nabalus altissimus)
Rattlesnakeroot, Three-leaved (Nabalus trifoliolatus)
Rhubarb (Rheum rhabarbarum)
River Beauty (Chamerion latifolium)
Rocket, Dame's (Hesperis matronalis)
Rocket, Yellow (Barbarea vulgaris)
Rosemary, Bog (Andromeda polifolia)

Saltwort, Common (Salsola tragus)
Sandwort, Rock (Sabulina michauxii)
Sandwort, Thyme-leaved (Arenaria serpyllifolia)
Saxifrage, Early (Micranthes virginiensis)
Saxifrage, Golden (Chrysosplenium americanum)
Scheuchzeria (Scheuchzeria palustris)
Scilla (Scilla siberica)
Senna, Wild (Senna hebecarpa)
Shepherd's Purse (Capsella bursa-pastoris)
Shinleaf (Pyrola elliptica)
Silverrod (Solidago bicolor)
Silverweed (Potentilla anserina)
Skunk Cabbage (Symplocarpus foetidus)
Snakeroot, Seneca (Polygala senega)
Snapdragon, Dwarf (Chaenorrhinum minus)
Sneezeweed (Helenium autumnale)
Snow in Summer (Cerastium tomentosum)
Snowberry, Creeping (Gaultheria hispidula)
Snowdrops (Galanthus nivalis)
Solomon's Seal, False (Maianthemum racemosum)
Solomon's Seal, Great (Polygonatum canaliculatum)
Solomon's Seal, Hairy (Polygonatum pubescens)
Solomon's Seal, Star-flowered (Maianthemum stellatum)
Sorrel, Common Wood (Oxalis montana)
Speedwell, Bird's-eye (Veronica chamaedrys)
Speedwell, Common (Veronica officinalis)
Speedwell, Marsh (Veronica scutellata)
Speedwell, Persian (Veronica persica)
Speedwell, Slender (Veronica filiformis)
Speedwell, Thyme-leaved (Veronica serpyllifolia)
Speedwell, Water (Veronica anagallis-aquatica)
Spring Beauty, Carolina (Claytonia caroliniana)
Spring Beauty, Narrow-leaved (Claytonia virginica)
Spurge, Cypress (Euphorbia cyparissias)
Spurge, Flowering (Euphorbia corollata)
Squawroot (Conopholis americana)
Star-of-Bethlehem (Ornithogalum umbellatum)
Starflower (Lysimachia borealis)
Stargrass, Yellow (Hypoxis hirsuta)
Starwort, Hermaphrodite Water (Callitriche hermaphroditica)
Stonecrop, Mossy (Sedum acre)
Strawberry, Barren (Geum fragarioides)
Strawberry, Indian (Potentilla indica)
Strawberry, Wild (Fragaria virginiana)
Strawberry, Woodland (Fragaria vesca)
Sundew, Linear-leaved (Drosera linearis)
Sundew, Round-leaved (Drosera rotundifolia)
Sundew, Spatulate-leaved (Drosera intermedia)
Sunflower, Maximilian (Helianthus maximilianii)
Sunflower, Tall (Helianthus giganteus)
Sunflower, Woodland (Helianthus divaricatus)
Swallowwort, Black (Cynanchum louiseae)
Swallowwort, Pale (Cynanchum rossicum)
Swallowwort, White (Cynanchum vincetoxicum)
Sweetflag (Acorus calamus)

Tansy (Tanacetum vulgare)
Tea, Narrow-leaved New Jersey (Ceanothus herbaceus)
Tea, Oswego (Monarda didyma)
Tearthumb, Arrow-leaved (Persicaria sagittata)
Tearthumb, Halberd-leaved (Persicaria arifolia)
Teasel (Dipsacus fullonum)
Thimbleweed (Anemone virginiana)
Thistle, Bull (Cirsium vulgare)
Thistle, Canada (Cirsium arvense)
Thistle, Field (Cirsium discolor)
Thistle, Globe (Echinops sphaerocephalus)
Thistle, Hill's (Cirsium pumilum)
Thistle, Nodding (Carduus nutans)
Thistle, Pitcher's (Cirsium pitcheri)
Tick Trefoil, Showy (Desmodium canadense)
Toadflax, Dalmation (Linaria dalmatica)
Tobacco, Indian (Lobelia inflata)
Tofieldia, Sticky (Triantha glutinosa)
Touch-me-not, Pale (Impatiens pallida)
Trefoil, Birdsfoot (Lotus corniculatus)
Trillium, Nodding (Trillium cernuum)
Trillium, Painted (Trillium undulatum)
Trillium, Red (Trillium erectum)
Trillium, White (Trillium grandiflorum)
Trillium, Yellow (Trillium luteum)
Tulip (Tulipa sylvestris)
Turtlehead (Chelone glabra)
Twayblade, Auricled (Neottia auriculata)
Twayblade, European Common (Neottia ovata)
Twayblade, Heart-leaved (Neottia cordata)
Twayblade, Loesel's (Liparis loeselii)
Twayblade, Purple (Liparis liliifolia)
Twinflower (Linnaea borealis)
Twinleaf (Jeffersonia diphylla)
Twisted Stalk, Rose (Streptopus lanceolatus)

Velvetleaf (Abutilon theophrasti)
Vervain, Blue (Verbena hastata)
Vervain, Hoary (Verbena stricta)
Vetchling, Marsh (Lathyrus palustris)
Vetchling, Pale (Lathyrus ochroleucus)
Vetchling, Tuberous (Lathyrus tuberosus)
Vetchling, Yellow (Lathyrus pratensis)
Violet, Arrow-leaved (Viola sagittata)
Violet, Birdfoot (Viola pedata)
Violet, Canada (Viola canadensis)
Violet, Common Blue (Viola papilionacea)
Violet, Dog (Viola conspersa)
Violet, Downy Yellow (Viola pubescens)
Violet, Green (Hybanthus concolor)
Violet, Kidney-leaved (Viola renifolia)
Violet, Labrador (Viola labradorica)
Violet, Long-spurred (Viola rostrata)
Violet, Marsh Blue (Viola cucullata)
Violet, Northern Bog (Viola nephrophylla)
Violet, Northern White (Viola macloskeyi)
Violet, Pale (Viola striata)
Violet, Palmate (Viola palmata)
Violet, Round-leaved (Viola rotundifolia)
Violet, Sand (Viola adunca)
Violet, Sweet White (Viola blanda)
Violet, Woolly Blue (Viola sororia)
Viper's Bugloss (Echium vulgare)

Water Shield (Brasenia schreberi)
Waterleaf, Broad-leaved (Hydrophyllum canadense)
Waterleaf, Virginia (Hydrophyllum virginianum)
Whitlow Grass, Carolina (Draba reptans)
Whitlow Grass, Spring (Draba verna)
Wintergreen (Gaultheria procumbens)
Wintergreen, Striped (Chimaphila maculata)
Woodruff, Sweet (Galium odoratum)

Yarrow (Achillea millefolium)
Yucca (Yucca filamentosa)

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