| Family |
Taxon |
Common Name | Photographs |
| Aceraceae |
Acer negundo L. |
ash-leaved maple, box elder |
|
| Aceraceae |
Acer negundo L. var. negundo |
box elder |
|
| Aceraceae |
Acer saccharinum L. |
silver maple, soft maple |
|
| Alismataceae |
Sagittaria rigida Pursh |
sessile-fruited arrow-head, stiff arrow-head |
|
| Anacardiaceae |
Toxicodendron vernix (L.) Kuntze |
poison sumac, swamp sumac |
|
| Araceae |
Calla palustris L. |
water-arum, wild calla |
|
| Asteraceae |
Arnoglossum reniforme (Hook.) H.Rob. |
great Indian-plantain, Muhlenberg's cacalia |
|
| Asteraceae |
Erigeron philadelphicus L. |
common fleabane, marsh fleabane, Philadelphia daisy |
|
| Asteraceae |
Gnaphalium uliginosum L. |
low cudweed, marsh cudweed |
|
| Asteraceae |
Silphium perfoliatum L. var. perfoliatum |
cup-plant |
|
| Asteraceae |
Solidago canadensis L. |
Canadian goldenrod, common goldenrod |
|
| Betulaceae |
Alnus incana (L.) Moench subsp. rugosa (Du Roi) R.T.Clausen |
mountain alder, speckled alder, swamp alder |
|
| Betulaceae |
Betula nigra L. |
black birch, red birch, river birch |
|
| Betulaceae |
Betula pumila L. |
bog birch, dwarf birch, swamp birch |
|
| Boraginaceae |
Lithospermum canescens (Michx.) Lehm. |
hoary puccoon |
|
| Brassicaceae |
Arabis lyrata L. |
lyrate rock-cress, sand cress |
|
| Brassicaceae |
Barbarea vulgaris R.Br. |
garden yellow-rocket, winter-cress, yellow-rocket |
|
| Caprifoliaceae |
Viburnum lentago L. |
nannyberry, sheepberry |
|
| Ceratophyllaceae |
Ceratophyllum demersum L. |
coon's-tail, hornwort |
|
| Commelinaceae |
Commelina communis L. |
Asiatic dayflower, common dayflower |
|
| Cornaceae |
Cornus canadensis L. |
bunchberry, bunchberry dogwood, dwarf cornel |
|
| Cucurbitaceae |
Echinocystis lobata (Michx.) Torr. & A.Gray |
balsam-apple, wild-cucumber |
|
| Cyperaceae |
Schoenoplectus tabernaemontani (C.C.Gmel.) Palla |
great bulrush, soft-stem bulrush |
|
| Dryopteridaceae |
Dryopteris carthusiana (Vill.) H.P.Fuchs |
spinulose wood fern, toothed wood fern |
|
| Dryopteridaceae |
Onoclea sensibilis L. |
sensitive fern |
|
| Equisetaceae |
Equisetum arvense L. |
common horsetail, field horsetail |
|
| Fabaceae |
Trifolium repens L. |
white clover |
|
| Fabaceae |
Vicia americana Muhl. ex Willd. subsp. americana |
American vetch |
|
| Fagaceae |
Castanea dentata (Marshall) Borkh. |
American chestnut |
|
| Fagaceae |
Quercus ellipsoidalis E.J.Hill |
Hill's oak, northern pin oak |
|
| Fagaceae |
Quercus macrocarpa Michx. |
bur oak |
|
| Fumariaceae |
Dicentra cucullaria (L.) Bernh. |
Dutchman's-breeches |
|
| Geraniaceae |
Geranium maculatum L. |
Crane's-bill, spotted geranium, wild geranium |
|
| Grossulariaceae |
Ribes missouriense Nutt. |
Missouri gooseberry |
|
| Hydrophyllaceae |
Hydrophyllum virginianum L. |
John's-cabbage, Shawnee-salad, Virginia waterleaf |
|
| Hypericaceae |
Hypericum majus (A.Gray) Britton |
larger Canadian St. John's-wort |
|
| Juncaceae |
Juncus effusus L. |
common rush, soft rush |
|
| Lamiaceae |
Glechoma hederacea L. |
creeping-Charlie, gill-over-the-ground, ground-ivy |
|
| Lamiaceae |
Glechoma hederacea L. var. micrantha Moric. |
creeping-Charlie, gill-over-the-ground, ground-ivy |
|
| Lamiaceae |
Scutellaria lateriflora L. |
blue skullcap, mad-dog skullcap |
|
| Lamiaceae |
Thymus praecox Opiz subsp. arcticus (Durand) Jalas |
creeping thyme, mother-of-thyme |
|
| Lemnaceae |
Lemna minor L. |
common duckweed, lesser duckweed, small duckweed |
|
| Lemnaceae |
Lemna obscura (Austin) Daubs |
little duckweed, purple duckweed |
|
| Lemnaceae |
Lemna trisulca L. |
forked duckweed, star duckweed |
|
| Lemnaceae |
Lemna turionifera Landolt |
perennial duckweed, Turion duckweed |
|
| Lemnaceae |
Spirodela polyrrhiza (L.) Schleid. |
giant duckweed, greater duckweed |
|
| Lemnaceae |
Wolffia borealis (Engelm. ex Hegelm.) Landolt |
Northern water-meal |
|
| Lemnaceae |
Wolffia columbiana H.Karst. |
common water-meal |
|
| Liliaceae |
Maianthemum racemosum (L.) Link subsp. racemosum |
false Solomon's-seal, false spikenard, large false Solomon's-seal, Solomon's-plume |
|
| Lobeliaceae |
Lobelia siphilitica L. |
great blue lobelia |
|