| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Asteraceae | Ionactis linariifolia | Stiff-leaved Aster | Dry pine savannas, longleaf pine sandhills, pine flatwoods, prairie-like openings, glades, and barrens, high elevation rock outcrops and glades, to at least 1450 m, dry roadbanks, woodland edges, rocky woodlands. | Maine and Québec west to Wisconsin, south to ne. Florida, Panhandle Florida, and Texas. |  (c) Fleming, Gary P. |
| Asteraceae | Ionactis repens | Creeping Stiff-leaved Aster | Longleaf pine sandhills and dry pine flatwoods. | Gulf Coastal Plain, Florida Panhandle to e. Louisiana; outliers in ne. Florida. |  (c) Ward, Scott G |