| Family |
Taxon |
Common Name | Photographs |
| Alismataceae |
Sagittaria latifolia Willd. |
broad-leaved arrow-head, common arrow-head, duck-potato, wapato |
|
| Apiaceae |
Hydrocotyle americana L. |
American marsh pennywort, marsh pennywort |
|
| Apocynaceae |
Apocynum androsaemifolium L. |
spreading dogbane |
|
| Araceae |
Symplocarpus foetidus (L.) Salisb. ex W.P.C.Barton |
skunk-cabbage |
|
| Asclepiadaceae |
Asclepias incarnata L. subsp. incarnata |
swamp milkweed |
|
| Asclepiadaceae |
Asclepias lanuginosa Nutt. |
side-cluster milkweed, woolly milkweed |
|
| Asteraceae |
Achillea millefolium L. |
common yarrow, milfoil |
|
| Asteraceae |
Achillea millefolium L. subsp. lanulosa (Nutt.) Piper |
common yarrow, milfoil |
|
| 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 lanceolatus Willd. |
eastern lined aster, panicled aster, white panicle aster |
|
| Asteraceae |
Aster linariifolius L. |
flax-leaved aster, stiff aster |
|
| Asteraceae |
Aster puniceus L. |
bristly aster, purple-stem aster, swamp aster |
|
| Asteraceae |
Aster umbellatus Mill. |
flat-top aster, parasol aster, tall flat-topped white aster |
|
| Asteraceae |
Bidens cernua L. |
nodding beggar-ticks, nodding bur-marigold |
|
| Asteraceae |
Bidens comosa (A.Gray) Wiegand |
straw-stem beggar-ticks, swamp marigold, swamp tickseed |
|
| Asteraceae |
Conyza canadensis (L.) Cronquist var. canadensis |
Canadian horseweed, fleabane, hogweed |
|
| Asteraceae |
Erigeron annuus (L.) Pers. |
annual fleabane, eastern daisy fleabane |
|
| Asteraceae |
Eupatorium maculatum L. |
spotted Joe-Pye-weed |
|
| Asteraceae |
Eupatorium maculatum L. subsp. maculatum var. maculatum |
spotted Joe-Pye-weed |
|
| Asteraceae |
Eupatorium maculatum L. X E. purpureum L. |
|
|
| Asteraceae |
Helianthus giganteus L. |
giant sunflower, swamp sunflower, tall sunflower |
|
| Asteraceae |
Heliopsis helianthoides (L.) Sweet |
false sunflower, ox-eye, sunflower-everlasting |
|
| Asteraceae |
Heliopsis helianthoides (L.) Sweet var. helianthoides |
false sunflower, ox-eye, smooth ox-eye, sunflower-everlasting |
|
| Asteraceae |
Hieracium aurantiacum L. |
devil's-paintbrush, grim-the-collier, orange hawkweed, red daisy |
|
| Asteraceae |
Liatris aspera Michx. |
lacerate blazing-star, rough blazing-star, tall gay-feather |
|
| Asteraceae |
Packera aurea (L.) A.Löve & D.Löve |
golden ragwort, heart-leaved groundsel |
|
| Asteraceae |
Solidago patula Muhl. ex Willd. var. patula |
rough-leaved goldenrod, round-leaved goldenrod, swamp goldenrod |
|
| Asteraceae |
Sonchus arvensis L. |
field sow-thistle, perennial sow-thistle |
|
| Asteraceae |
Sonchus arvensis L. var. arvensis |
field sow-thistle, perennial sow-thistle |
|
| Asteraceae |
Taraxacum officinale Weber |
common dandelion |
|
| Balsaminaceae |
Impatiens capensis Meerb. |
orange jewelweed, orange touch-me-not, spotted touch-me-not |
|
| Betulaceae |
Alnus incana (L.) Moench subsp. rugosa (Du Roi) R.T.Clausen |
mountain alder, speckled alder, swamp alder |
|
| Betulaceae |
Betula X sandbergii Britton |
Sandberg's birch |
|
| Boraginaceae |
Lithospermum caroliniense (Walter ex J.F.Gmel.) MacMill. subsp. croceum (Fernald) Cusick |
Carolina puccoon, hairy puccoon, plains puccoon |
|
| Brassicaceae |
Arabis lyrata L. |
lyrate rock-cress, sand cress |
|
| Brassicaceae |
Nasturtium officinale R.Br. |
watercress |
|
| Campanulaceae |
Campanula americana L. |
American bellflower, tall bellflower |
|
| Campanulaceae |
Campanula rotundifolia L. |
bluebell, bluebell bellflower, harebell |
|
| Caprifoliaceae |
Diervilla lonicera Mill. |
northern bush-honeysuckle |
|
| Caryophyllaceae |
Stellaria media (L.) Vill. |
common chickweed |
|
| Ceratophyllaceae |
Ceratophyllum demersum L. |
coon's-tail, hornwort |
|
| Chenopodiaceae |
Chenopodium album L. |
common lamb's-quarters, lamb's-quarters, pigweed |
|
| Chenopodiaceae |
Salsola tragus L. |
prickly Russian thistle, Russian thistle, tumbleweed |
|
| Cistaceae |
Helianthemum bicknellii Fernald |
Bicknell's rock-rose, hoary frostweed, rock-rose |
|
| Cistaceae |
Helianthemum canadense (L.) Michx. |
common rock-rose, long-branch frostweed |
|
| Commelinaceae |
Tradescantia ohiensis Raf. |
blue-jacket, common spiderwort, smooth spiderwort |
|
| Cornaceae |
Cornus alternifolia L.f. |
alternate-leaved dogwood, pagoda dogwood |
|
| Cornaceae |
Cornus racemosa Lam. |
gray dogwood, northern swamp dogwood, panicled dogwood |
|