| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Asteraceae | Silphium asteriscus var. asteriscus | Starry Rosinweed | Woodlands, roadsides. | NC, SC, s. VA, e. TN and e. KY. |  |
| Asteraceae | Silphium asteriscus var. latifolium | Woodlands, roadsides. | VA, WV, and KY south to GA and LA. |  | |
| Asteraceae | Silphium asteriscus var. trifoliatum | Woodlands, roadsides, river scours. | NY, OH, and IL south to GA and AL. |  |