| Family |
Taxon |
Common Name | Photographs |
| Asteraceae |
Achillea millefolium L. |
common yarrow, milfoil |
|
| Asteraceae |
Achillea millefolium L. subsp. lanulosa (Nutt.) Piper |
common yarrow, milfoil |
|
| Scrophulariaceae |
Agalinis paupercula (A.Gray) Britton |
small-flowered false foxglove, smooth false foxglove |
|
| Scrophulariaceae |
Agalinis paupercula (A.Gray) Britton var. borealis Pennell |
small-flowered false foxglove, smooth false foxglove |
|
| Poaceae |
Agrostis gigantea Roth |
redtop |
|
| Alismataceae |
Alisma triviale Pursh |
northern water-plantain |
|
| Asteraceae |
Ambrosia artemisiifolia L. |
annual bur-sage, common ragweed, short ragweed |
|
| Asteraceae |
Ambrosia trifida L. var. trifida |
giant ragweed, great ragweed, horse-cane |
|
| Fabaceae |
Amorpha canescens Pursh |
lead-plant |
|
| Poaceae |
Andropogon gerardii Vitman |
big blue-stem, turkey-foot |
|
| Asclepiadaceae |
Asclepias incarnata L. subsp. incarnata |
swamp milkweed |
|
| Asclepiadaceae |
Asclepias syriaca L. |
common milkweed, silkweed |
|
| Asclepiadaceae |
Asclepias verticillata L. |
whorled milkweed |
|
| Asteraceae |
Aster ericoides L. |
heath aster, squarrose white aster, white prairie aster |
|
| Asteraceae |
Aster ericoides L. var. prostratus (Kuntze) S.F.Blake |
prostrate heath aster |
|
| Asteraceae |
Aster ericoides L. X A. sericeus Vent. |
|
|
| Asteraceae |
Aster laevis L. var. laevis |
smooth aster, smooth blue aster |
|
| Asteraceae |
Aster novae-angliae L. |
New England aster |
|
| Chenopodiaceae |
Atriplex prostrata Boucher ex DC. |
fat-hen, thin-leaf orach, triangle orache |
|
| Asteraceae |
Bidens cernua L. |
nodding beggar-ticks, nodding bur-marigold |
|
| Brassicaceae |
Brassica nigra (L.) W.D.J.Koch |
black mustard |
|
| Brassicaceae |
Cardamine bulbosa (Schreb. ex Muhl.) Britton, Sterns & Poggenb. |
spring-cress |
|
| Cyperaceae |
Carex pellita Willd. |
broad-leaved woolly sedge |
|
| Cyperaceae |
Carex vulpinoidea Michx. |
brown fox sedge, fox sedge |
|
| Rhamnaceae |
Ceanothus americanus L. |
New Jersey tea, red-root |
|
| Ceratophyllaceae |
Ceratophyllum demersum L. |
coon's-tail, hornwort |
|
| Chenopodiaceae |
Chenopodium album L. |
common lamb's-quarters, lamb's-quarters, pigweed |
|
| Asteraceae |
Cirsium arvense (L.) Scop. |
Canada thistle, creeping thistle, field thistle |
|
| Asteraceae |
Cirsium vulgare (Savi) Ten. |
bull thistle |
|
| Asteraceae |
Coreopsis palmata Nutt. |
finger tickseed, prairie coreopsis, prairie tickseed, stiff tickseed |
|
| Cornaceae |
Cornus stolonifera Michx. |
red osier dogwood |
|
| Fabaceae |
Dalea purpurea Vent. var. purpurea |
purple prairie-clover, violet prairie-clover |
|
| Cyperaceae |
Eleocharis erythropoda Steud. |
bald spike-rush |
|
| Poaceae |
Elymus repens (L.) Gould |
couchgrass, creeping quackgrass, quackgrass |
|
| Poaceae |
Elymus trachycaulus (Link) Gould ex Shinners |
slender wheat grass |
|
| Poaceae |
Elymus trachycaulus (Link) Gould ex Shinners subsp. subsecundus (Link) A.Löve & D.Löve |
bearded wheat grass, slender wheat grass |
|
| Onagraceae |
Epilobium leptophyllum Raf. |
American marsh willow-herb, bog willow-herb, fen willow-herb |
|
| Asteraceae |
Erigeron annuus (L.) Pers. |
annual fleabane, eastern daisy fleabane |
|
| Brassicaceae |
Erysimum cheiranthoides L. |
worm-seed mustard, worm-seed wallflower |
|
| Poaceae |
Glyceria grandis S.Watson |
American manna grass, reed manna grass |
|
| Asteraceae |
Helianthus grosseserratus M.Martens |
saw-tooth sunflower |
|
| Asteraceae |
Helianthus X laetiflorus Pers. (pro sp.) |
cheerful sunflower, hybrid prairie sunflower, mountain sunflower |
|
| Asteraceae |
Helianthus occidentalis Riddell subsp. occidentalis |
few-leaved sunflower, naked-stemmed sunflower, western sunflower |
|
| Asteraceae |
Helianthus strumosus L. |
pale-leaved woodland sunflower, rough-leaved sunflower |
|
| Malvaceae |
Hibiscus trionum L. |
flower-of-an-hour |
|
| Balsaminaceae |
Impatiens capensis Meerb. |
orange jewelweed, orange touch-me-not, spotted touch-me-not |
|
| Iridaceae |
Iris virginica L. var. shrevei (Small) E.S.Anderson |
blue flag, Shreve's iris, southern blue flag, Virginia iris |
|
| Juncaceae |
Juncus tenuis Willd. |
path rush, poverty rush, roadside rush |
|
| Asteraceae |
Lactuca canadensis L. |
Canada lettuce, tall lettuce, tall wild lettuce, wild lettuce |
|
| Poaceae |
Leersia oryzoides (L.) Sw. |
rice cut grass |
|