| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Asteraceae | Polymnia canadensis | White-flowered Leafcup | Moist forests, particularly over calcareous rocks. | Vermont and Ontario west to Minnesota, south to North Carolina, nw. Georgia, Alabama, and Arkansas. |  (c) Fleming, Gary P. |
| Asteraceae | Polymnia cossatotensis | Cossatot Leafcup | Novaculite talus. | Endemic to the Ouachita Mountains of wc. Arkansas (Montgomery and Polk counties). |  (c) Keesling, Jim - CC-BY-NC |
| Asteraceae | Polymnia johnbeckii | John Beck’s Leafcup | Limestone boulders and outcrops. | Narrow endemic of Marion County, Tennessee. |  (c) Cressler, Alan M. |
| Asteraceae | Polymnia laevigata | Tennessee Leafcup | Bouldery slopes, coquina outcrops and rubble (in FL). | W., c., and se. Tennessee (Chester, Wofford, & Kral 1997), se. Missouri, Alabama, nw. Georgia, and Panhandle Florida (Jackson County). |  (c) Griffith, Floyd A. |