This is a list of all of the species (543 species) that do not yet appear on this site, but for which I have photos.
These species will be on the site soon.
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
A
- Alexanders, Golden (Zizia aurea)
- Alfalfa (Medicago sativa)
- Alyssum, Hoary (Berteroa incana)
- Amaranth, Green (Amaranthus retroflexus)
- Angelica, Great (Angelica atropurpurea)
- Arrow Grass, Seaside (Triglochin maritimum)
- Arrowhead, Common (Sagittaria latifolia)
- Arrowhead, Grass-leaved (Sagittaria graminea)
- Artichoke, Jerusalem (Helianthus tuberosus)
- Arum, Water (Calla palustris)
- Asparagus (Asparagus officinalis)
- Aster, Crooked-stemmed (Symphyotrichum prenanthoides)
- Aster, Ontario (Symphyotrichum ontarione)
- Aster, Short's (Symphyotrichum shortii)
- Aster, Shreber's (Eurybia schreberi)
- Aster, Small Salt Marsh (Symphyotrichum subulatum)
- Aster, White Wood (Eurybia divaricata)
- Aster, Willow (Symphyotrichum praealtum)
B
- Balsam, Himalayan (Impatiens glandulifera)
- Basil, Wild (Clinopodium vulgare)
- Bearberry (Arctostaphylos uva-ursi)
- Bedstraw, Marsh (Galium palustre)
- Bedstraw, Northern (Galium boreale)
- Bedstraw, Rough (Galium asprellum)
- Bedstraw, Sweet-scented (Galium triflorum)
- Bedstraw, Yellow (Galium verum)
- Beechdrops (Epifagus virginiana)
- Beggar Tick (Bidens frondosa)
- Beggar Tick, Tall (Bidens vulgata)
- Beggar Ticks, Swamp (Bidens tripartita)
- Bellflower, Creeping (Campanula rapunculoides)
- Bellflower, Marsh (Campanula aparinoides)
- Bellflower, Peach-leaved (Campanula persicifolia)
- Bellflower, Tall (Campanula americana)
- Bellwort, Large-flowered (Uvularia grandiflora)
- Bellwort, Sessile-leaved (Uvularia sessilifolia)
- Bergamot, Purple (Monarda X media)
- Bergamot, Wild (Monarda fistulosa)
- Bistort, Alpine (Polygonum viviparum)
- Black-eyed Susan (Rudbeckia hirta)
- Blanket Flower, Showy (Gaillardia pulchella)
- Blazing Star, Cylindric (Liatris cylindracea)
- Blazing Star, Rough (Liatris aspera)
- Blazing Star, Spiked (Liatris spicata)
- Bluebells, Northern (Mertensia paniculata)
- Bluebells, Virginia (Mertensia virginica)
- Blueberry, Early Low (Vaccinium angustifolium)
- Blueberry, Highbush (Vaccinium corymbosum)
- Bluets (Houstonia caerulea)
- Boneset (Eupatorium perfoliatum)
- Boneset, Tall (Eupatorium altissimum)
- Bouncing Bet (Saponaria officinalis)
- Buckwheat, Climbing False (Polygonum scandens)
- Bugleweed, Northern (Lycopus uniflorus)
- Bugleweed, Rough (Lycopus asper)
- Bugloss, Viper's (Echium vulgare)
- Bur Marigold, Nodding (Bidens cernua)
- Bur Reed, Branching (Sparganium androcladum)
- Bur Reed, Great (Sparganium eurycarpum)
- Burdock, Common (Arctium minus)
- Burdock, Great (Arctium lappa)
- Burnet, Small (Sanguisorba minor)
- Bush Clover, Hairy (Lespedeza hirta)
- Bush Clover, Round-headed (Lespedeza capitata)
- Bush Clover, Violet (Lespedeza violacea)
- Bush Clover, Wandlike (Lespedeza intermedia)
- Butterbur (Petasites japonicus)
- Buttercup, Creeping (Ranunculus repens)
- Buttercup, Early (Ranunculus fascicularis)
- Buttercup, Hispid (Ranunculus hispidus)
- Buttercup, Swamp (Ranunculus septentrionalis)
- Buttercup, Tall (Ranunculus acris)
- Butterwort (Pinguicula vulgaris)
C
- Calamint, Low (Calamintha arkansanum)
- Camas, White (Zigadenus glaucus)
- Cardinal Flower (Lobelia cardinalis)
- Carpenter's Square (Scrophularia marilandica)
- Carpetweed (Mollugo verticillata)
- Carrion Flower, Upright (Smilax ecirrhata)
- Celandine (Chelidonium majus)
- Celandine, Lesser (Ranunculus ficaria)
- Centuary (Centaurium erythraea)
- Chamomile, Scentless (Matricaria maritima)
- Chamomile, Stinking (Anthemis cotula)
- Chamomile, Wild (Matricaria recutita)
- Charlock (Sinapis arvensis)
- Cherry, Sand (Prunus pumila)
- Chickweed, Common (Stellaria media)
- Chicory (Cichorium intybus)
- Cinquefoil, Dwarf (Potentilla canadensis)
- Cinquefoil, Marsh (Comarum palustre)
- Cinquefoil, Rough (Potentilla norvegica)
- Cinquefoil, Rough-fruited (Potentilla recta)
- Cinquefoil, Silvery (Potentilla argentea)
- Cinquefoil, Tall (Potentilla arguta)
- Clearweed (Pilea pumila)
- Cleavers (Galium aparine)
- Clotbur, Common (Xanthium strumarium)
- Clover, Alsike (Trifolium hybridum)
- Clover, Hop (Trifolium aureum)
- Clover, Rabbit-foot (Trifolium arvense)
- Clover, Red (Trifolium pratense)
- Clover, Strawberry (Trifolium fragiferum)
- Clover, White (Trifolium repens)
- Clover, White Sweet (Melilotus alba)
- Clover, Yellow Sweet (Melilotus officinalis)
- Cohosh, Black (Cimicifuga racemosa)
- Colicroot (Aletris farinosa)
- Columbine, Garden (Aquilegia vulgaris)
- Columbine, Wild (Aquilegia canadensis)
- Columbo, American (Frasera caroliniensis)
- Comfrey, Common (Symphytum officinale)
- Coneflower, Gray-headed (Ratibida pinnata)
- Coneflower, Green-headed (Rudbeckia laciniata)
- Coneflower, Purple (Echinacea purpurea)
- Coneflower, Thin-leaved (Rudbeckia triloba)
- Coreopsis, Lance-leaved (Coreopsis lanceolata)
- Coreopsis, Tall (Coreopsis tripteris)
- Cowbane (Oxypolis rigidior)
- Cowslip (Primula veris)
- Cranberry, Highbush (Viburnum opulus)
- Cranesbill, Bicknell's (Geranium bicknellii)
- Creeper, Virginia (Parthenocissus quinquefolia)
- Cress, Marsh Yellow (Rorippa palustris)
- Cress, Purple (Cardamine douglassii)
- Crocus (Crocus vernus)
- Crowberry, Black (Empetrum nigrum)
- Cuckooflower (Cardamine pratensis)
- Cucumber, One-seeded Bur (Sicyos angulatus)
- Cucumber, Squirting (Ecballium elaterium)
- Culver's Root (Veronicastrum virginicum)
- Cup Plant (Silphium perfoliatum)
- Currant, Bristly Black (Ribes lacustre)
- Currant, Garden (Ribes rubrum)
- Currant, Wild Red (Ribes triste)
- Cypress, Summer (Kochia scoparia)
D
- Dandelion, Common (Taraxacum officinale)
- Dandelion, Marsh (Taraxacum palustre)
- Dandelion, Red-seeded (Taraxacum laevigatum)
- Day-flower, Asiatic (Commelina communis)
- Dead Nettle, Purple (Lamium purpureum)
- Dead Nettle, Spotted (Lamium maculatum)
- Dead Nettle, White (Lamium album)
- Dock, Broad-leaved (Rumex obtusifolius)
- Dock, Curled (Rumex crispus)
- Dodder (Cuscuta gronovii)
- Dogbane, Clasping-leaved (Apocynum sibiricum)
- Dogbane, Spreading (Apocynum androsaemifolium)
- Dogwood, Flowering (Cornus florida)
- Dogwood, Gray (Cornus racemosa)
- Dogwood, Silky (Cornus amomum)
- Duckweed, Common (Lemna minor)
E
- Elderberry, Common (Sambucus nigra)
- Elderberry, Red-berried (Sambucus racemosa)
- Elecampane (Inula helenium)
- Evening, Common Primrose (Oenothera biennis)
- Everlasting, Clammy (Pseudognaphalium macounii)
- Everlasting, Pearly (Anaphalis margaritacea)
- Eyebright (Euphrasia nemorosa)
F
- Feverfew (Tanacetum parthenium)
- Fireweed (Epilobium angustifolium)
- Flax, Common (Linum usitatissimum)
- Flax, Fairy (Linum catharticum)
- Fleabane, Common (Erigeron philadelphicus)
- Fleabane, Daisy (Erigeron annuus)
- Fleabane, Lesser Daisy (Erigeron strigosus)
- Flour-of-an-Hour (Hibiscus trionum)
- Foamflower (Tiarella cordifolia)
- Forget-me-not, Smaller (Myosotis laxa)
- Forget-me-not, True (Myosotis scorpioides)
- Forget-me-not, Upright (Myosotis stricta)
- Forsythia (Forsythia viridissima)
- Four-o-clock, Wild (Mirabilis nyctaginea)
- Foxglove, Fern-leaved False (Aureolaria pedicularia)
- Foxglove, Smooth False (Aureolaria flava)
G
- Galinsoga (Galinsoga quadriradiata)
- Galinsoga, Small-flowered (Galinsoga parviflora)
- Garlic, Field (Allium vineale)
- Garlic, Wild (Allium canadense)
- Gaura, Biennial (Gaura biennis)
- Gentian, Fringe-tipped Closed (Gentiana andrewsii)
- Gentian, Fringed (Gentiana crinita)
- Gentian, Purple-stemmed (Gentiana rubricaulis)
- Gentian, Stiff (Gentianella quinquefolia)
- Geranium, Wild (Geranium maculatum)
- Gerardia, Purple (Agalinis purpurea)
- Gerardia, Slender (Agalinis tenuifolia)
- Gerardia, Small-flowered (Agalinis paupercula)
- Germander, American (Teucrium canadense)
- Ginger, Wild (Asarum canadense)
- Ginseng, Dwarf (Panax trifolius)
- Goatsbeard (Aruncus dioicus)
- Goatsbeard, Meadow (Tragopogon pratensis)
- Goatsbeard, Yellow (Tragopogon dubius)
- Goldenrod, Riddell's (Oligoneuron riddellii)
- Goldenrod, Viscid Grass-leaved (Euthamia gymnospermoides)
- Goutweed (Aegopodium podagraria)
- Grape, Riverbank (Vitis riparia)
- Grass-of-Parnassus (Parnassia glauca)
- Green Dragon (Arisaema dracontium)
- Greenbrier, Bristly (Smilax tamnoides)
- Greenbrier, Common (Smilax rotundifolia)
- Gromwell, American (Lithospermum latifolium)
- Gromwell, Corn (Buglossoides arvensis)
- Gromwell, European (Lithospermum officinale)
- Groundnut (Apios americana)
- Groundsel, Common (Senecio vulgaris)
H
- Hardhack (Spiraea tomentosa)
- Hawkweed, Canada (Hieracium canadense)
- Hawkweed, Common (Hieracium lachenalii)
- Hawkweed, Field (Hieracium caespitosum)
- Hawkweed, Mouse Ear (Hieracium pilosella)
- Hawkweed, Orange (Hieracium aurantiacum)
- Hawkweed, Smooth (Hieracium piloselloides)
- Heal-all (Prunella vulgaris)
- Hedge Nettle, Common (Stachys tenuifolia)
- Hemp Nettle (Galeopsis tetrahit)
- Hemp, Indian (Apocynum cannabinum)
- Henbit (Lamium amplexicaule)
- Hepatica, Round-lobed (Anemone americana)
- Hepatica, Sharp-lobed (Anemone acutiloba)
- Herb Robert (Geranium robertianum)
- Honeysuckle, Glaucous (Lonicera dioica)
- Honeysuckle, Hairy (Lonicera hirsuta)
- Honeysuckle, Morrow's (Lonicera morrowii)
- Honeysuckle, Mountain Fly (Lonicera villosa)
- Honeysuckle, Tartarian (Lonicera tatarica)
- Hop, Common (Humulus lupulus)
- Horehound, Black (Ballota nigra)
- Horehound, Water (Lycopus americanus)
- Horse Balm (Collinsonia canadensis)
- Horsemint (Monarda punctata)
- Horseweed (Conyza canadensis)
- Hound's Tongue (Cynoglossum officinale)
- Houstonia, Long-leaved (Houstonia longifolia)
- Huckleberry, Black (Gaylussacia baccata)
- Hyacinth, Grape (Muscari botryoides)
- Hydrangea, Wild (Hydrangea arborescens)
- Hyssop, Blue Giant (Agastache foeniculatum)
- Hyssop, Purple Giant (Agastache scrophulariifolia)
- Hyssop, Yellow Giant (Agastache nepetoides)
I
- Indian Pipe (Monotropa uniflora)
- Indigo, Wild (Baptisia tinctoria)
- Ironweed, Tall (Vernonia gigantea)
- Ivy, Ground (Glechoma hederacea)
J
- Jack-in-the-Pulpit (Arisaema triphyllum)
- Jimsonweed (Datura stramonium)
- Joe Pye Weed, Spotted (Eupatorium maculatum)
- Jumpseed (Polygonum virginianum)
- Juneberry, Mountain (Amelanchier bartramiana)
K
- Knapweed, Blackish (Centaurea nigrescens)
- Knapweed, Brown (Centaurea jacea)
- Knapweed, Spotted (Centaurea biebersteinii)
- Knotgrass, Common (Polygonum aviculare)
- Knotweed, Japanese (Polygonum cuspidatum)
- Knotweed, Pink (Polygonum pensylvanicum)
L
- Lady's Thumb (Polygonum persicaria)
- Laurel, Bog (Kalmia polifolia)
- Laurel, Sheep (Kalmia angustifolia)
- Leadplant (Amorpha canescens)
- Leafcup, Small-flowered (Polymnia canadensis)
- Lettuce, Prickly (Lactuca serriola)
- Lettuce, Tall Blue (Lactuca biennis)
- Lettuce, Tall White (Prenanthes altissima)
- Lettuce, White (Prenanthes alba)
- Lettuce, Wild (Lactuca canadensis)
- Licorice, Lance-leaved Wild (Galium lanceolatum)
- Licorice, Wild (Galium circaezans)
- Lily, Day (Hemerocallis fulva)
- Lily, Michigan (Lilium michiganense)
- Lily, Sweet-scented Water (Nymphaea odorata)
- Lily, Yellow Day (Hemerocallis lilioasphodelus)
- Lily, Yellow Pond (Nuphar variegata)
- Lily-of-the-Valley (Convallaria majalis)
- Live-forever (Sedum purpureum)
- Lobelia, Great (Lobelia siphilitica)
- Lobelia, Kalm's (Lobelia kalmii)
- Lobelia, Spiked (Lobelia spicata)
- Lobelia, Water (Lobelia dortmanna)
- Lousewort, Swamp (Pedicularis lanceolata)
M
- Madder, Wild (Galium mollugo)
- Mallow, Common (Malva neglecta)
- Mallow, Musk (Malva moschata)
- Mallow, Rose Swamp (Hibiscus moscheutos)
- Mallow, Virgina (Sida hermaphrodita)
- Marijuana (Cannabis sativa)
- Marjoram, Wild (Origanum vulgare)
- Mayflower, Canada (Maianthemum canadense)
- Meadow Rue, Early (Thalictrum dioicum)
- Meadow Rue, Tall (Thalictrum pubescens)
- Meadowsweet, Broad-leaved (Spiraea latifolia)
- Meadowsweet, Narrow-leaved (Spiraea alba)
- Mercury, Three-seeded (Acalypha rhomboidea)
- Miami Mist (Phacelia purshii)
- Milkvetch, Canada (Astragalus canadensis)
- Milkvetch, Cooper's (Astragalus neglectus)
- Milkweed, Green (Asclepias viridiflora)
- Milkweed, Prairie (Asclepias hirtella)
- Milkweed, Purple (Asclepias purpurascens)
- Milkweed, Sullivant's (Asclepias sullivantii)
- Milkwort, Purple (Polygala sanguinea)
- Mint, Wild (Mentha arvensis)
- Mistletoe, Dwarf (Arceuthobium pusillum)
- Miterwort (Mitella diphylla)
- Miterwort, Naked (Mitella nuda)
- Money Plant (Lunaria annua)
- Moneywort (Lysimachia nummularia)
- Monkey Flower (Mimulus ringens)
- Morning Glory, Common (Ipomoea purpurea)
- Motherwort (Leonurus cardiaca)
- Mountain Mint, Hoary (Pycnanthemum incanum)
- Mountain Mint, Narrow-leaved (Pycnanthemum tenuifolium)
- Mountain Mint, Virginia (Pycnanthemum virginianum)
- Mugwort (Artemisia vulgaris)
- Mullein, Clasping-leaved (Verbascum phlomoides)
- Mustard, Dog (Erucastrum gallicum)
- Mustard, Field (Brassica rapa)
- Mustard, Garlic (Alliaria officinalis)
- Mustard, Hedge (Sisymbrium officinale)
- Mustard, Indian (Brassica juncea)
- Mustard, Tower (Arabis glabra)
- Mustard, Tumble (Sisymbrium altissimum)
- Mustard, Wormseed (Erysimum cheiranthoides)
N
- Nettle, False (Boehmeria cylindrica)
- Nettle, Stinging (Urtica dioica)
- Nettle, Tall Stinging (Urtica dioica)
- Nettle, Wood (Laportea canadensis)
- Nightshade, Bittersweet (Solanum dulcamara)
- Nightshade, Dwarf Enchanter's (Circaea alpina)
- Nightshade, Eastern Black (Solanum ptycanthum)
- Ninebark (Physocarpus opulifolius)
- Nipplewort (Lapsana communis)
O
- Obedient Plant (Physostegia virginiana)
- Onion, Nodding Wild (Allium cernuum)
- Orach (Atriplex prostrata)
- Orchid, Huron Green (Patanthera huronensis)
- Orchid, Round Leaf (Platanthera orbiculata)
- Orchis, Hooker's (Platanthera hookeri)
- Outhouse Plant (Rudbeckia laciniata 'Hortensia')
- Oxeye (Heliopsis helianthoides)
- Oxtongue, Hawkweed (Picris hieracioides)
P
- Paintbrush, Indian (Castilleja coccinea)
- Parsley, Fool's (Aethusa cynapium)
- Parsnip, Cow (Heracleum maximum)
- Parsnip, Smooth Meadow (Thaspium trifoliatum)
- Parsnip, Wild (Pastinaca sativa)
- Pea, Everlasting (Lathyrus latifolius)
- Peanut, Hog (Amphicarpaea bracteata)
- Pennycress, Field (Thlaspi arvense)
- Pennyroyal, American (Hedeoma pulegioides)
- Pennyroyal, False (Isanthus brachiatus)
- Peppergrass, Field (Lepidium campestre)
- Peppermint (Mentha X piperita)
- Periwinkle (Vinca minor)
- Phlox, Garden (Phlox paniculata)
- Phlox, Wild Blue (Phlox divaricata)
- Pilewort (Erechtites hieracifolia)
- Pineapple Weed (Matricaria discoidea)
- Pinesap (Monotropa hypopithys)
- Pink, Deptford (Dianthus armeria)
- Pink, Fire (Silene virginica)
- Pipewort, Common (Eriocaulon aquaticum)
- Pitcher Plant (Sarracenia purpurea)
- Plantain, Common (Plantago major)
- Plantain, English (Plantago lanceolata)
- Plantain, Hoary (Plantago media)
- Plantain, Red-stemmed (Plantago rugelii)
- Plantain, Robin's (Erigeron pulchellus)
- Plantain, Seaside (Plantago maritima)
- Plantain, Tuberous Indian (Arnoglossum plantagineum)
- Poppy, Celandine (Stylophorum diphyllum)
- Prairie Smoke (Geum triflorum)
- Primrose, Cross-shaped Evening (Oenothera cruciata)
- Primrose, Cut-leaved Evening (Oenothera laciniata)
- Primrose, Dwarf Canadian (Primula mistassinica)
- Puccoon, Fringed (Lithospermum incisum)
- Puccoon, Hairy (Lithospermum caroliniense)
- Purse, Shepherd's (Capsella bursa-pastoris)
- Purslane (Portulaca oleracea)
- Pussytoes, Canada (Antennaria howellii)
- Pussytoes, Field (Antennaria neglecta)
- Pussytoes, Parlin's (Antennaria parlinii)
- Puttyroot (Aplectrum hyemale)
- Pyrola, One-sided (Orthilia secunda)
- Pyrola, Pink (Pyrola asarifolia)
R
- Ragweed, Common (Ambrosia artemisiifolia)
- Ragweed, Great (Ambrosia trifida)
- Ragwort, Balsam (Packera paupercula)
- Ragwort, Golden (Packera aurea)
- Ragwort, Prairie (Packera plattensis)
- Ragwort, Tansy (Senecio jacobaea)
- Raspberry, Dwarf (Rubus pubescens)
- Raspberry, Purple-flowering (Rubus odoratus)
- Rattlesnake Plantain, Checkered (Goodyera tesselata)
- Rattlesnake Root, Glaucous White (Prenanthes racemosa)
- Rocket, Sea (Cakile edentula)
- Rocket, Slender-leaved Wall (Diplotaxis tenuifolia)
- Rocket, Yellow (Barbarea vulgaris)
- Rose, Multiflora (Rosa multiflora)
- Rose, Prairie (Rosa setigera)
- Rose, Rugosa (Rosa rugosa)
- Rose, Smooth Wild (Rosa blanda)
- Rose, Swamp (Rosa palustris)
- Rosemary, Bog (Andromeda polifolia)
S
- Saltwort, Common (Salsola tragus)
- Sandwort, Thyme-leaved (Arenaria serpyllifolia)
- Sarsaparilla (Aralia nudicaulis)
- Sarsaparilla, Bristly (Aralia hispida)
- Saxifrage, Alpine (Saxifraga paniculata)
- Saxifrage, Early (Saxifraga virginiensis)
- Scilla (Scilla siberica)
- Serviceberry, Downy (Amelanchier arborea)
- Serviceberry, Swamp (Amelanchier intermedia)
- Shinleaf (Pyrola elliptica)
- Sicklepod (Arabis canadensis)
- Silverweed (Argentia anserina)
- Skullcap, Mad-dog (Scutellaria lateriflora)
- Skullcap, Marsh (Scutellaria galericulata)
- Smartweed, Nodding (Polygonum lapathifolium)
- Smartweed, Swamp (Ploygonum coccineum)
- Smartweed, Water (Polygonum amphibium)
- Snakeroot, Black (Sanicula marilandica)
- Snakeroot, Long-fruited (Sanicula trifoliata)
- Snakeroot, White (Ageratina altissima)
- Sneezeweed (Helenium autumnale)
- Snow in Summer (Cerastium tomentosum)
- Snowberry (Symphoricarpos albus)
- 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, Smooth (Polygonatum biflorum)
- Solomon's Seal, Star-flowered (Maianthemum stellatum)
- Solomon's Seal, Three-leaved (Maianthemum trifolium)
- Sorrel, Common Wood (Oxalis montana)
- Sorrel, Sheep (Rumex acetosella)
- Sorrel, Yellow Wood (Oxalis stricta)
- Spearmint (Mentha spicata)
- Spearwort, Creeping (Ranunculus reptans)
- Speedwell, Wayside (Veronica polita)
- Spiderwort, Ohio (Tradescantia ohiensis)
- Spiderwort, Virginia (Tradescantia virginiana)
- Spikenard (Aralia racemosa)
- Spurge, Cypress (Euphorbia cyparissias)
- Spurge, Flowering (Euphorbia corollata)
- Spurge, Leafy (Euphorbia esula)
- Spurge, Mat (Chamaesyce glyptosperma)
- Spurge, Petty (Euphorbia peplus)
- Spurge, Seaside (Chamaesyce polygonifolia)
- Spurge, Toothed (Euphorbia dentata)
- St. Johnswort, Common (Hypericum perforatum)
- St. Johnswort, Great (Hypericum ascyron)
- St. Johnswort, Kalm's (Hypericum kalmianum)
- St. Johnswort, Marsh (Triadenum virginicum)
- St. Johnswort, Shrubby (Hypericum prolificum)
- St. Johnswort, Spotted (Hypericum punctatum)
- Star-of-Bethlehem (Ornithogalum umbellatum)
- Starflower (Trientalis borealis)
- Stickseed, European (Lappula squarrosa)
- Stickseed, Virginia (Hackelia virginiana)
- Stitchwort, Lesser (Stellaria graminea)
- Stitchwort, Long-leaved (Stellaria longifolia)
- Stonecrop, Ditch (Penthorum sedoides)
- Stonecrop, Mossy (Sedum acre)
- Stonecrop, Two Row (Sedum spurium)
- Stonecrop, Wild (Sedum ternatum)
- Storksbill (Erodium cicutarium)
- Strawberry Bush, Running (Euonymus obovata)
- Strawberry, Barren (Waldsteinia fragarioides)
- Strawberry, Wild (Fragaria virginiana)
- Strawberry, Wood (Fragaria vesca)
- Sumac, Shining (Rhus copallinum)
- Sumac, Staghorn (Rhus typhina)
- Sundew, Linear-leaved (Drosera linearis)
- Sundrops (Oenothera fruticosa)
- Sundrops, Small (Oenothera perennis)
- Sunflower, Common (Helianthus annuus)
- Sunflower, Pale-leaved (Helianthus strumosus)
- Sunflower, Tall (Helianthus giganteus)
- Sunflower, Tickseed (Bidens coronata)
- Sunflower, Woodland (Helianthus divaricatus)
- Sweetbrier (Rosa eglantaria)
T
- Tea, Labrador (Ledum groenlandicum)
- Tea, Narrow-leaved New Jersey (Ceanothus herbaceus)
- Tea, New Jersey (Ceanothus americanus)
- Tea, Oswego (Monarda didyma)
- Thistle, Common Sow (Sonchus oleraceus)
- Thistle, Field Sow (Sonchus arvensis)
- Thistle, Plumeless Nodding (Carduus acanthoides)
- Thistle, Scotch (Onopordum acanthium)
- Thistle, Spiny-leaved Sow (Sonchus asper)
- Thistle, Swamp (Cirsium muticum)
- Tick Trefoil, Large-bracted (Desmodium cuspidatum)
- Tick Trefoil, Panicled (Desmodium paniculatum)
- Tick Trefoil, Pointed-leaved (Desmodium glutinosum)
- Tick Trefoil, Showy (Desmodium canadense)
- Toadflax, Bastard (Comandra umbellata)
- Tobacco, Indian (Lobelia inflata)
- Tobacco, Wild (Nicotiana rustica)
- Tofieldia, Sticky (Tofieldia glutinosa)
- Toothwort, Cut-leaved (Cardamine concatenata)
- Toothwort, Two-leaved (Cardamine diphylla)
- Touch-me-not, Pale (Impatiens pallida)
- Touch-me-not, Spotted (Impatiens capensis)
- Trefoil, Birdsfoot (Lotus corniculatus)
- Trillium, Yellow (Trillium luteum)
- Twinleaf (Jeffersonia diphylla)
- Twisted, Rose Stalk (Streptopus lanceolatus)
V
- Valerian, Garden (Valeriana officinalis)
- Vervain, Blue (Verbena hastata)
- Vervain, Hoary (Verbena stricta)
- Vervain, Narrow-leaved (Verbena simplex)
- Vervain, Purpletop (Verbena bonariensis)
- Vervain, White (Verbena urticifolia)
- Vetch, Cow (Vicia cracca)
- Vetch, Crown (Coronilla varia)
- Vetch, Hairy (Vicia villosa)
- Vetch, Kidney (Anthyllis vulneraria)
- Vetch, Slender (Vicia tetrasperma)
- Vetch, Spring (Vicia sativa)
- Vetch, Wood (Vicia caroliniana)
- Viburnum, Maple-leaved (Viburnum acerifolium)
- Violet, Common Blue (Viola papilionacea)
- Violet, Downy Yellow (Viola pubescens)
- Violet, LeConte's (Viola affinis)
- Violet, Woolly Blue (Viola sororia)
W
- Water Pepper, Mild (Polygonum hydropiper)
- Water Plantain, Large (Alisma triviale)
- Water Plantain, Small (Alisma subcordatum)
- Watercress (Rorippa nasturtium-aquaticum)
- Waterleaf, Appendaged (Hydrophyllum appendiculatum)
- Waterleaf, Broad-leaved (Hydrophyllum canadense)
- Waterleaf, Virginia (Hydrophyllum virginianum)
- Willow Herb, Great Hairy (Epilobium hirsutum)
- Willow Herb, Northern (Epilobium ciliatum)
- Willow Herb, Purple-leaved (Epilobium coloratum)
- Willow Herb, Sparse-flowered (Epilobium parviflorum)
- Wingstem (Verbesina alternifolia)
- Wormwood, Beach (Artemisia stelleriana)
- Wormwood, Sweet (Artemisia annua)
- Wormwood, Tall (Artemisia campestris)
Y
- Yamroot, Wild (Dioscorea quaternata)
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
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