| Family |
Taxon |
Common Name | Photographs |
| Acoraceae |
Acorus calamus L. |
sweet-flag |
|
| Pteridaceae |
Adiantum pedatum L. |
maidenhair fern, northern maidenhair fern |
|
| Scrophulariaceae |
Agalinis tenuifolia (Vahl) Raf. |
common agalinis, common false foxglove |
|
| Betulaceae |
Alnus incana (L.) Moench subsp. rugosa (Du Roi) R.T.Clausen |
mountain alder, speckled alder, swamp alder |
|
| Ranunculaceae |
Anemone americana (DC.) H.Hara |
round-lobed hepatica |
|
| Ranunculaceae |
Anemone canadensis L. |
Canada anemone, Canadian anemone, meadow anemone |
|
| Ranunculaceae |
Anemone patens L. var. multifida Pritz. |
American pasqueflower, prairie-smoke |
|
| Ranunculaceae |
Anemone quinquefolia L. var. quinquefolia |
nightcaps, wood anemone |
|
| Asteraceae |
Antennaria howellii Greene |
Howell's pussy-toes |
|
| Asteraceae |
Antennaria howellii Greene subsp. canadensis (Greene) R.J.Bayer |
Canadian pussy-toes, Howell's pussy-toes |
|
| Ranunculaceae |
Aquilegia canadensis L. |
Canadian columbine, red columbine, wild columbine |
|
| Araliaceae |
Aralia racemosa L. |
American spikenard, life-of-man |
|
| Araceae |
Arisaema triphyllum (L.) Schott subsp. triphyllum |
Indian turnip, Jack-in-the-pulpit |
|
| Asclepiadaceae |
Asclepias incarnata L. subsp. incarnata |
swamp milkweed |
|
| Asclepiadaceae |
Asclepias tuberosa L. subsp. interior Woodson |
butterfly milkweed, butterfly-weed, orange milkweed |
|
| Brassicaceae |
Barbarea vulgaris R.Br. |
garden yellow-rocket, winter-cress, yellow-rocket |
|
| Betulaceae |
Betula alleghaniensis Britton |
yellow birch |
|
| Betulaceae |
Betula nigra L. |
black birch, red birch, river birch |
|
| Betulaceae |
Betula papyrifera Marshall |
canoe birch, paper birch, white birch |
|
| Ophioglossaceae |
Botrychium virginianum (L.) Sw. |
rattlesnake fern |
|
| Poaceae |
Brachyelytrum erectum (Schreb. ex Spreng.) P.Beauv. |
bearded shorthusk, long-awned wood grass |
|
| Poaceae |
Bromus ciliatus L. |
fringed brome |
|
| Poaceae |
Bromus inermis Leyss. |
Hungarian brome, smooth brome |
|
| Poaceae |
Bromus tectorum L. |
cheat grass, downy brome, downy chess, June grass |
|
| Ranunculaceae |
Caltha palustris L. |
cowslip, marsh-marigold, yellow marsh-marigold |
|
| Campanulaceae |
Campanula rotundifolia L. |
bluebell, bluebell bellflower, harebell |
|
| Brassicaceae |
Capsella bursa-pastoris (L.) Medik. |
shepherd's-purse |
|
| Cyperaceae |
Carex crinita Lam. var. crinita |
fringed sedge |
|
| Cyperaceae |
Carex pensylvanica Lam. |
common oak sedge, Pennsylvania sedge |
|
| Cyperaceae |
Carex retrorsa Schwein. |
deflexed bottlebrush sedge, knot-sheath sedge, retrorse sedge |
|
| Juglandaceae |
Carya cordiformis (Wangenh.) K.Koch |
bitter-nut hickory, pig-nut, yellow-bud hickory |
|
| Berberidaceae |
Caulophyllum thalictroides (L.) Michx. |
blue cohosh, papoose-root, squaw-root |
|
| Ceratophyllaceae |
Ceratophyllum demersum L. |
coon's-tail, hornwort |
|
| Saxifragaceae |
Chrysosplenium americanum Schwein. ex Hook. |
American golden saxifrage |
|
| Apiaceae |
Cicuta bulbifera L. |
bulblet water-hemlock |
|
| Asteraceae |
Cirsium muticum Michx. |
swamp thistle |
|
| Portulacaceae |
Claytonia virginica L. |
spring-beauty, Virginia spring-beauty |
|
| Liliaceae |
Clintonia borealis (Aiton) Raf. |
blue-bead-lily, corn-lily, yellow blue-bead-lily, yellow clintonia |
|
| Santalaceae |
Comandra umbellata (L.) Nutt. subsp. umbellata |
bastard-toadflax, false toadflax |
|
| Rosaceae |
Comarum palustre L. |
marsh cinquefoil |
|
| Myricaceae |
Comptonia peregrina (L.) J.M.Coult. |
sweet-fern |
|
| Asteraceae |
Coreopsis palmata Nutt. |
finger tickseed, prairie coreopsis, prairie tickseed, stiff tickseed |
|
| Cornaceae |
Cornus rugosa Lam. |
round-leaved dogwood |
|
| Cornaceae |
Cornus stolonifera Michx. |
red osier dogwood |
|
| Fumariaceae |
Corydalis sempervirens (L.) Pers. |
pink and yellow corydalis, pale corydalis, rock harlequin |
|
| Betulaceae |
Corylus cornuta Marshall subsp. cornuta |
beaked hazelnut |
|
| Fumariaceae |
Dicentra cucullaria (L.) Bernh. |
Dutchman's-breeches |
|
| Poaceae |
Dichanthelium leibergii (Vasey) Freckmann |
Leiberg's panic grass, prairie panic grass |
|
| Poaceae |
Dichanthelium oligosanthes (Schult.) Gould var. scribnerianum (Nash) Gould |
few-flowered panic grass, Scribner's panic grass, Scribner's rosette grass |
|
| Poaceae |
Dichanthelium perlongum (Nash) Freckmann |
long-stalked panic grass |
|