| Family |
Taxon |
Common Name | Photographs |
| Acoraceae |
Acorus calamus L. |
sweet-flag |
|
| Alismataceae |
Sagittaria cristata Engelm. |
crested arrow-head |
|
| Alismataceae |
Sagittaria latifolia Willd. |
broad-leaved arrow-head, common arrow-head, duck-potato, wapato |
|
| Anacardiaceae |
Toxicodendron rydbergii (Small ex Rydb.) Greene |
Rydberg's poison-ivy, western poison-ivy |
|
| Apiaceae |
Cicuta maculata L. |
common water-hemlock, spotted water-hemlock |
|
| Apocynaceae |
Apocynum androsaemifolium L. |
spreading dogbane |
|
| Aquifoliaceae |
Ilex verticillata (L.) A.Gray |
common winterberry |
|
| Araceae |
Symplocarpus foetidus (L.) Salisb. ex W.P.C.Barton |
skunk-cabbage |
|
| Asclepiadaceae |
Asclepias exaltata L. |
poke milkweed, tall milkweed |
|
| Asclepiadaceae |
Asclepias incarnata L. subsp. incarnata |
swamp milkweed |
|
| Asclepiadaceae |
Asclepias ovalifolia Decne. |
dwarf milkweed, oval milkweed, oval-leaved milkweed |
|
| Asclepiadaceae |
Asclepias tuberosa L. subsp. interior Woodson |
butterfly milkweed, butterfly-weed, orange milkweed |
|
| Asteraceae |
Artemisia campestris L. subsp. caudata (Michx.) H.M.Hall & Clem. |
field sage-wort, field wormwood |
|
| Asteraceae |
Aster cordifolius L. |
common blue heart-leaved aster, common blue wood aster |
|
| Asteraceae |
Aster laevis L. var. laevis |
smooth aster, smooth blue aster |
|
| Asteraceae |
Aster macrophyllus L. |
big-leaved aster, large-leaved aster |
|
| Asteraceae |
Aster oolentangiensis Riddell |
azure aster, prairie heart-leaved aster, sky-blue aster |
|
| Asteraceae |
Aster sagittifolius Wedem. ex Willd. |
arrow-leaved aster |
|
| Asteraceae |
Crepis tectorum L. |
hawk's-beard, narrow-leaved hawk's-beard |
|
| Asteraceae |
Erechtites hieracifolius (L.) Raf. ex DC. var. hieracifolius |
American burn-weed, fireweed |
|
| Asteraceae |
Erigeron strigosus Muhl. ex Willd. |
daisy fleabane, prairie fleabane, rough fleabane |
|
| Asteraceae |
Erigeron strigosus Muhl. ex Willd. var. strigosus |
daisy fleabane, prairie fleabane, rough fleabane |
|
| Asteraceae |
Eupatorium rugosum Houtt. var. rugosum |
white snakeroot |
|
| 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 |
|
| Asteraceae |
Hieracium aurantiacum L. |
devil's-paintbrush, grim-the-collier, orange hawkweed, red daisy |
|
| Asteraceae |
Hieracium piloselloides Vill. |
glaucous king-devil, tall hawkweed |
|
| Asteraceae |
Krigia biflora (Walter) S.F.Blake |
false-dandelion, orange dwarf-dandelion |
|
| Asteraceae |
Krigia biflora (Walter) S.F.Blake subsp. glandulifera (Fernald) H.H.Iltis |
false-dandelion, orange dwarf-dandelion |
|
| Asteraceae |
Liatris aspera Michx. |
lacerate blazing-star, rough blazing-star, tall gay-feather |
|
| Asteraceae |
Liatris cylindracea Michx. |
cylindrical blazing-star, few-headed blazing-star |
|
| Asteraceae |
Megalodonta beckii (Torr. ex Spreng.) Greene |
water beggar-ticks, water-marigold |
|
| Asteraceae |
Rudbeckia hirta L. var. pulcherrima Farw. |
black-eyed Susan |
|
| Asteraceae |
Solidago flexicaulis L. |
broad-leaved goldenrod, zigzag goldenrod |
|
| Asteraceae |
Solidago nemoralis Aiton |
dyer's-weed goldenrod, gray goldenrod, old-field goldenrod |
|
| Asteraceae |
Solidago ptarmicoides (Nees) B.Boivin |
prairie goldenrod, upland white goldenrod |
|
| Asteraceae |
Solidago speciosa Nutt. |
showy goldenrod |
|
| Betulaceae |
Betula pumila L. |
bog birch, dwarf birch, swamp birch |
|
| Betulaceae |
Carpinus caroliniana Walter subsp. virginiana (Marshall) Furlow |
American hornbeam, blue-beech, hornbeam, ironwood |
|
| Betulaceae |
Corylus americana Walter |
American hazelnut |
|
| Betulaceae |
Corylus cornuta Marshall subsp. cornuta |
beaked hazelnut |
|
| Boraginaceae |
Lithospermum canescens (Michx.) Lehm. |
hoary puccoon |
|
| 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 |
Arabis missouriensis Greene |
green rock-cress, Missouri rock-cress |
|
| Brassicaceae |
Berteroa incana (L.) DC. |
hoary false madwort, hoary-alyssum |
|
| Brassicaceae |
Cardamine pensylvanica Muhl. ex Willd. |
Pennsylvania bitter-cress |
|
| Brassicaceae |
Lepidium densiflorum Schrad. |
prairie pepper-weed, small peppergrass |
|
| Brassicaceae |
Lepidium densiflorum Schrad. var. densiflorum |
prairie pepper-weed, small peppergrass |
|
| Brassicaceae |
Sinapis arvensis L. |
California rape, charlock mustard |
|