| Family |
Taxon |
Common Name | Photographs |
| Hydrocharitaceae |
Elodea canadensis Michx. |
Canadian waterweed, common waterweed |
|
| Hydrocharitaceae |
Elodea nuttallii (Planch.) H.St.John |
free-flowered water-weed, slender water-weed |
|
| Poaceae |
Elymus hystrix L. |
bottlebrush grass, eastern bottlebrush grass, glumeless wild-rye |
|
| Poaceae |
Elymus villosus Muhl. ex Willd. var. villosus |
downy wild-rye, hairy wild-rye, silky wild-rye |
|
| Poaceae |
Elymus virginicus L. var. virginicus |
common eastern wild-rye, Virginia wild-rye |
|
| Ranunculaceae |
Enemion biternatum Raf. |
false rue anemone |
|
| Onagraceae |
Epilobium ciliatum Raf. |
American willow-herb, hairy willow-herb |
|
| Equisetaceae |
Equisetum arvense L. |
common horsetail, field horsetail |
|
| Equisetaceae |
Equisetum hyemale L. subsp. affine (Engelm.) Calder & Roy L.Taylor |
common scouring rush, pipes, scouring rush horsetail |
|
| Equisetaceae |
Equisetum sylvaticum L. |
wood horsetail, woodland horsetail |
|
| Poaceae |
Eragrostis pectinacea (Michx.) Nees var. pectinacea |
Carolina love grass, low love grass, small love grass, tufted love grass |
|
| Asteraceae |
Erigeron philadelphicus L. |
common fleabane, marsh fleabane, Philadelphia daisy |
|
| Asteraceae |
Erigeron strigosus Muhl. ex Willd. |
daisy fleabane, prairie fleabane, rough fleabane |
|
| Brassicaceae |
Erysimum cheiranthoides L. |
worm-seed mustard, worm-seed wallflower |
|
| Liliaceae |
Erythronium americanum Ker Gawl. subsp. americanum |
American trout-lily, yellow dog-tooth violet, yellow trout-lily |
|
| Asteraceae |
Eupatorium maculatum L. |
spotted Joe-Pye-weed |
|
| Asteraceae |
Euthamia graminifolia (L.) Nutt. var. graminifolia |
common flat-topped goldenrod, grass-leaved goldenrod |
|
| Polygonaceae |
Fallopia cilinodis (Michx.) Holub |
black-fringe bindweed, fringed bindweed |
|
| Poaceae |
Festuca rubra L. |
red fescue |
|
| Poaceae |
Festuca subverticillata (Pers.) E.B.Alexeev |
nodding fescue |
|
| Poaceae |
Festuca trachyphylla (Hack.) Krajina |
hard fescue, sheep fescue |
|
| Rosaceae |
Filipendula rubra (Hill) B.L.Rob. |
queen-of-the-prairie |
|
| Oleaceae |
Fraxinus nigra Marshall |
black ash |
|
| Oleaceae |
Fraxinus pennsylvanica Marshall |
green ash, red ash |
|
| Rubiaceae |
Galium boreale L. |
northern bedstraw |
|
| Rubiaceae |
Galium triflorum Michx. |
fragrant bedstraw, sweet-scented bedstraw |
|
| Ericaceae |
Gaultheria hispidula (L.) Muhl. ex Bigelow |
creeping-snowberry, moxie |
|
| Rosaceae |
Geum aleppicum Jacq. |
yellow avens |
|
| Rosaceae |
Geum canadense Jacq. |
white avens |
|
| Rosaceae |
Geum laciniatum Murray |
rough avens |
|
| Poaceae |
Glyceria striata (Lam.) Hitchc. |
fowl manna grass, fowl meadow grass |
|
| Scrophulariaceae |
Gratiola neglecta Torr. |
clammy hedge-hyssop |
|
| Dryopteridaceae |
Gymnocarpium dryopteris (L.) Newman |
common oak fern, western oak fern |
|
| Asteraceae |
Helenium autumnale L. var. autumnale |
common sneezeweed |
|
| Asteraceae |
Helianthus giganteus L. |
giant sunflower, swamp sunflower, tall sunflower |
|
| Pontederiaceae |
Heteranthera dubia (Jacq.) MacMill. |
water star-grass |
|
| Asteraceae |
Hieracium aurantiacum L. |
devil's-paintbrush, grim-the-collier, orange hawkweed, red daisy |
|
| Asteraceae |
Hieracium piloselloides Vill. |
glaucous king-devil, tall hawkweed |
|
| Asteraceae |
Hieracium scabrum Michx. |
rough hawkweed, sticky hawkweed |
|
| Lycopodiaceae |
Huperzia lucidula (Michx.) Trevis. |
shining club-moss, shining fir-moss |
|
| Hydrophyllaceae |
Hydrophyllum virginianum L. |
John's-cabbage, Shawnee-salad, Virginia waterleaf |
|
| Hypericaceae |
Hypericum boreale (Britton) E.P.Bicknell |
northern St. John's-wort |
|
| Hypericaceae |
Hypericum majus (A.Gray) Britton |
larger Canadian St. John's-wort |
|
| Hypericaceae |
Hypericum pyramidatum Aiton |
giant St. John's-wort, great St. John's-wort |
|
| Aquifoliaceae |
Ilex mucronata (L.) M.Powell, V.Savolainen & S.Andrews |
cat-berry, mountain holly |
|
| Balsaminaceae |
Impatiens capensis Meerb. |
orange jewelweed, orange touch-me-not, spotted touch-me-not |
|
| Juncaceae |
Juncus bufonius L. |
toad rush |
|
| Juncaceae |
Juncus effusus L. |
common rush, soft rush |
|
| Juncaceae |
Juncus tenuis Willd. |
path rush, poverty rush, roadside rush |
|
| Ericaceae |
Kalmia polifolia Wangenh. |
bog-laurel, pale-laurel, swamp-laurel |
|