| Family |
Taxon |
Common Name | Photographs |
| Amaranthaceae |
Amaranthus tuberculatus (Moq.) J.D.Sauer |
rough-fruited amaranth, rough-fruited water-hemp, tall water-hemp |
|
| Anacardiaceae |
Rhus glabra L. |
smooth sumac |
|
| Apiaceae |
Oxypolis rigidior (L.) Raf. |
common water-dropwort, stiff cowbane |
|
| Apiaceae |
Pastinaca sativa L. |
wild parsnip |
|
| Aristolochiaceae |
Asarum canadense L. |
Canadian wild-ginger, wild-ginger |
|
| Asclepiadaceae |
Asclepias verticillata L. |
whorled milkweed |
|
| Asteraceae |
Ambrosia artemisiifolia L. |
annual bur-sage, common ragweed, short ragweed |
|
| Asteraceae |
Artemisia biennis Willd. |
biennial sage-wort, biennial wormwood |
|
| Asteraceae |
Aster ericoides L. |
heath aster, squarrose white aster, white prairie aster |
|
| Asteraceae |
Aster ericoides L. var. ericoides |
heath aster, squarrose white aster, white prairie aster |
|
| Asteraceae |
Aster ericoides L. X A. sericeus Vent. |
|
|
| Asteraceae |
Aster falcatus Lindl. var. commutatus (Torr. & A.Gray) A.G.Jones |
cluster aster, white prairie aster |
|
| Asteraceae |
Aster novae-angliae L. |
New England aster |
|
| Asteraceae |
Aster umbellatus Mill. |
flat-top aster, parasol aster, tall flat-topped white aster |
|
| Asteraceae |
Aster umbellatus Mill. var. pubens A.Gray |
hairy flat-top aster, parasol aster |
|
| Asteraceae |
Bidens cernua L. |
nodding beggar-ticks, nodding bur-marigold |
|
| Asteraceae |
Cirsium discolor (Muhl. ex Willd.) Spreng. |
field thistle, pasture thistle, prairie thistle |
|
| Asteraceae |
Cirsium muticum Michx. |
swamp thistle |
|
| Asteraceae |
Euthamia graminifolia (L.) Nutt. var. graminifolia |
common flat-topped goldenrod, grass-leaved goldenrod |
|
| Asteraceae |
Grindelia squarrosa (Pursh) Dunal |
curly-cup gum-weed, gum-plant, gum-weed |
|
| Asteraceae |
Grindelia squarrosa (Pursh) Dunal var. squarrosa |
curly-cup gum-weed, gum-plant, gum-weed |
|
| Asteraceae |
Helianthus grosseserratus M.Martens |
saw-tooth sunflower |
|
| Asteraceae |
Helianthus hirsutus Raf. |
hairy sunflower, oblong sunflower, rough sunflower |
|
| Asteraceae |
Lactuca canadensis L. |
Canada lettuce, tall lettuce, tall wild lettuce, wild lettuce |
|
| Asteraceae |
Ratibida pinnata (Vent.) Barnhart |
globular coneflower, yellow coneflower |
|
| Asteraceae |
Rudbeckia hirta L. var. pulcherrima Farw. |
black-eyed Susan |
|
| Asteraceae |
Silphium integrifolium Michx. |
prairie rosinweed, whole-leaf rosinweed |
|
| Asteraceae |
Silphium integrifolium Michx. var. neglectum Settle & T.R.Fisher |
prairie rosinweed, whole-leaf rosinweed |
|
| Asteraceae |
Silphium integrifolium Michx. X S. perfoliatum L. |
|
|
| Asteraceae |
Silphium laciniatum L. var. laciniatum |
compass-plant |
|
| Asteraceae |
Silphium terebinthinaceum Jacq. var. terebinthinaceum |
basal-leaved rosinweed, prairie-dock, prairie rosinweed |
|
| Asteraceae |
Solidago speciosa Nutt. |
showy goldenrod |
|
| Asteraceae |
Solidago speciosa Nutt. var. rigidiuscula Torr. & A.Gray |
showy goldenrod |
|
| Asteraceae |
Sonchus arvensis L. |
field sow-thistle, perennial sow-thistle |
|
| Asteraceae |
Sonchus arvensis L. var. glabrescens Günther, Grab. & Wimm. |
marsh sow-thistle |
|
| Asteraceae |
Tragopogon dubius Scop. |
fistulous goat's-beard, greater sand goat's-beard, yellow salsify |
|
| Asteraceae |
Vernonia fasciculata Michx. subsp. fasciculata |
common ironweed, prairie ironweed, smooth ironweed |
|
| Asteraceae |
Xanthium strumarium L. |
common cocklebur, rough cocklebur |
|
| Asteraceae |
Xanthium strumarium L. var. canadense (Mill.) Torr. & A.Gray |
common cocklebur, rough cocklebur |
|
| Betulaceae |
Corylus americana Walter |
American hazelnut |
|
| Brassicaceae |
Barbarea vulgaris R.Br. |
garden yellow-rocket, winter-cress, yellow-rocket |
|
| Brassicaceae |
Cardamine concatenata (Michx.) O.Schwarz |
cut-leaved toothwort, five-parted toothwort |
|
| Brassicaceae |
Cardamine pensylvanica Muhl. ex Willd. |
Pennsylvania bitter-cress |
|
| Brassicaceae |
Erysimum cheiranthoides L. |
worm-seed mustard, worm-seed wallflower |
|
| Brassicaceae |
Nasturtium officinale R.Br. |
watercress |
|
| Brassicaceae |
Rorippa sylvestris (L.) Besser |
creeping yellow-cress |
|
| Campanulaceae |
Campanula americana L. |
American bellflower, tall bellflower |
|
| Caryophyllaceae |
Silene stellata (L.) W.T.Aiton |
starry campion, widow's-frill |
|
| Cornaceae |
Cornus racemosa Lam. |
gray dogwood, northern swamp dogwood, panicled dogwood |
|
| Cucurbitaceae |
Echinocystis lobata (Michx.) Torr. & A.Gray |
balsam-apple, wild-cucumber |
|