| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Asteraceae | Rudbeckia laciniata var. bipinnata | Streambanks, seepages. | New Hampshire and New York south to Delaware, Maryland, Pennsylvania, e. Virginia, and ne. North Carolina. |  (c) Fleming, Gary P. | |
| Asteraceae | Rudbeckia laciniata var. digitata | Coastal Plain Cutleaf Coneflower | Seepage bogs, streamsides. | Virginia south to Florida, west to Louisiana. Primarily in the coastal plain but also apparently extending northward into northeastern Alabama, east-central Tennessee (Cumberland riverscour and savanna acid seepages), se. Tennessee (Ocoee River riverbanks in the Blue Ridge province), and nw. Georgia in open wetland margins of the Ridge and Valley (D. Estes pers. comm.; 2025). |  © George Mason University Herbarium staff |
| Asteraceae | Rudbeckia laciniata var. heterophylla | Florida Coneflower | Streamsides. | Endemic (so far as is known) to Levy County, Florida. | |
| Asteraceae | Rudbeckia laciniata var. humilis | Blue Ridge Cutleaf Coneflower, Sochan | Seeps, bog edges, brookbanks, moist forests. | Virginia and Kentucky south to North Carolina. |  (c) Fleming, Gary P. |
| Asteraceae | Rudbeckia laciniata var. laciniata | Common Cutleaf Coneflower, Goldenglow, Sochan | Moist forests, bottomlands, streambanks. | New Brunswick, Ontario, and Manitoba south to Florida and Texas. |  (c) Fleming, Gary P. |