| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Gentianaceae | Gentiana andrewsii var. andrewsii | Prairie Closed Gentian | Meadows, seeps, forest edges, freshwater marshes, open-canopied swamps. | NH, s. QC, MN, and s. MB, south to s. MD, WV, MO and WY; earlier reports of it as far south as GA or NC (as by F and G) are apparently based on misidentifications. |  |
| Gentianaceae | Gentiana andrewsii var. dakotica | Western Closed Bottle Gentian, Dakota Gentian | Upland prairies, glades, forest openings. | MB and SK south through MN, ND, SD, w. IL, IA, and NE to s. MO. |  |