| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Asteraceae | Silphium compositum var. compositum | Carolina Rosinweed | Longleaf pine sandhills, other xeric forests and woodlands, roadbanks. | As currently broadly circumscribed, distributed from VA south to GA, and west to AL. |  |
| Asteraceae | Silphium compositum var. ovatifolium | Florida Rosinweed | Longleaf pine sandhills. | Se. SC south to c. peninsular FL and FL Panhandle. |  |
| Asteraceae | Silphium compositum var. venosum | Georgia Rosinweed | Longleaf pine sandhills, other xeric woodlands. | Se. NC south to se. GA and FL Panhandle. |  |
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