| Family |
Taxon |
Common Name | Photographs |
| Euphorbiaceae |
Acalypha rhomboidea Raf. |
rhombic copper-leaf, three-seeded-mercury |
|
| Asteraceae |
Achillea millefolium L. |
common yarrow, milfoil |
|
| Asteraceae |
Achillea millefolium L. subsp. lanulosa (Nutt.) Piper |
common yarrow, milfoil |
|
| Pteridaceae |
Adiantum pedatum L. |
maidenhair fern, northern maidenhair fern |
|
| Scrophulariaceae |
Agalinis tenuifolia (Vahl) Raf. |
common agalinis, common false foxglove |
|
| Poaceae |
Agrostis gigantea Roth |
redtop |
|
| Poaceae |
Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. |
southern hair grass, tickle grass, winter bent grass |
|
| Poaceae |
Alopecurus aequalis Sobol. |
short-awned foxtail |
|
| Brassicaceae |
Alyssum alyssoides (L.) L. |
pale alyssum, pale madwort, yellow alyssum |
|
| Amaranthaceae |
Amaranthus tuberculatus (Moq.) J.D.Sauer |
rough-fruited amaranth, rough-fruited water-hemp, tall water-hemp |
|
| Asteraceae |
Ambrosia artemisiifolia L. |
annual bur-sage, common ragweed, short ragweed |
|
| Asteraceae |
Ambrosia psilostachya DC. |
perennial ragweed, western ragweed |
|
| Fabaceae |
Amorpha canescens Pursh |
lead-plant |
|
| Poaceae |
Andropogon gerardii Vitman |
big blue-stem, turkey-foot |
|
| Ranunculaceae |
Anemone cylindrica A.Gray |
candle anemone, long-headed anemone, thimbleweed |
|
| Ranunculaceae |
Anemone quinquefolia L. var. quinquefolia |
nightcaps, wood anemone |
|
| Asteraceae |
Antennaria neglecta Greene |
cat's-foot, field pussy-toes |
|
| Asteraceae |
Antennaria parlinii Fernald |
Parlin's pussy-toes, plantain pussy-toes |
|
| Asteraceae |
Antennaria parlinii Fernald subsp. fallax (Greene) R.J.Bayer & Stebbins |
Parlin's pussy-toes, plantain pussy-toes |
|
| Poaceae |
Anthoxanthum hirtum (Schrank) Y. Schouten & Veldkamp subsp. arcticum (J. Presl) G. Tucker |
northern sweet grass, vanilla grass |
|
| Brassicaceae |
Arabis glabra (L.) Bernh. |
tower mustard, tower rock-cress |
|
| Brassicaceae |
Arabis lyrata L. |
lyrate rock-cress, sand cress |
|
| Brassicaceae |
Armoracia rusticana P.Gaertn., B.Mey. & Scherb. |
horseradish |
|
| Asteraceae |
Arnoglossum plantagineum Raf. |
prairie Indian-plantain |
|
| Asclepiadaceae |
Asclepias incarnata L. subsp. incarnata |
swamp milkweed |
|
| Asclepiadaceae |
Asclepias purpurascens L. |
purple milkweed |
|
| Asclepiadaceae |
Asclepias tuberosa L. subsp. interior Woodson |
butterfly milkweed, butterfly-weed, orange milkweed |
|
| Asclepiadaceae |
Asclepias verticillata L. |
whorled milkweed |
|
| Asteraceae |
Aster firmus Nees |
shining aster, shiny-leaved aster |
|
| Asteraceae |
Aster laevis L. var. laevis |
smooth aster, smooth blue aster |
|
| Asteraceae |
Aster linariifolius L. |
flax-leaved aster, stiff aster |
|
| Asteraceae |
Aster novae-angliae L. |
New England aster |
|
| Asteraceae |
Aster oblongifolius Nutt. |
aromatic aster |
|
| Asteraceae |
Aster oolentangiensis Riddell |
azure aster, prairie heart-leaved aster, sky-blue aster |
|
| Asteraceae |
Aster pilosus Willd. |
awl aster, frost aster, hairy aster, white old-field aster |
|
| Asteraceae |
Aster pilosus Willd. var. pilosus |
awl aster, frost aster, hairy aster, white old-field aster |
|
| Asteraceae |
Aster pilosus Willd. X A. sagittifolius Wedem. ex Willd. |
|
|
| Asteraceae |
Aster praealtus Poir. |
veiny lined aster, willow aster, willow-leaved aster |
|
| Asteraceae |
Aster praealtus Poir. var. coerulescens (DC.) A.G.Jones |
veiny lined aster, willow aster, willow-leaved aster |
|
| Asteraceae |
Aster praealtus Poir. X A. puniceus L. |
|
|
| Asteraceae |
Aster sagittifolius Wedem. ex Willd. |
arrow-leaved aster |
|
| Asteraceae |
Aster shortii Lindl. |
Midwestern blue heart-leaved aster, Short's aster |
|
| Asteraceae |
Aster umbellatus Mill. |
flat-top aster, parasol aster, tall flat-topped white aster |
|
| Asteraceae |
Aster umbellatus Mill. var. umbellatus |
flat-top aster, parasol aster, tall flat-topped white aster |
|
| Dryopteridaceae |
Athyrium filix-femina (L.) Roth ex Mert. var. angustum (Willd.) G.Lawson |
common lady fern, lady fern, northeastern lady fern, northern lady fern |
|
| Scrophulariaceae |
Aureolaria pedicularia (L.) Raf. |
annual false foxglove, clammy false foxglove |
|
| Scrophulariaceae |
Aureolaria pedicularia (L.) Raf. var. ambigens (Fernald) Farw. |
annual false foxglove, clammy false foxglove, fern-leaf yellow false foxglove |
|
| Fabaceae |
Baptisia bracteata Muhl. ex Elliott var. glabrescens (Larisey) Isely |
cream wild indigo, long-bracted wild indigo, plains wild indigo |
|
| Scrophulariaceae |
Besseya bullii (Eaton) Rydb. |
bull's coral-drops, kitten's-tails |
|
| Betulaceae |
Betula pumila L. |
bog birch, dwarf birch, swamp birch |
|