| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Asteraceae | Rudbeckia hirta var. angustifolia | Coastal Plain Black-eyed Susan | Longleaf pine woodlands, other dry sandy woodlands. | SC south to FL, west to TX. | ![]() (c) Campos, Aidan |
| Asteraceae | Rudbeckia hirta var. floridana | Florida Black-eyed Susan | Pastures, old fields, roadsides. | Endemic to FL peninsula. | ![]() (c) Horn, Jay - CC-BY |
| Asteraceae | Rudbeckia hirta var. hirta | Woodland Black-eyed Susan | Fields, roadsides, woodlands. | ME and MI south to GA and MS. | ![]() (c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG |
| Asteraceae | Rudbeckia hirta var. pulcherrima | Weedy Black-eyed Susan | Roadsides, fields. | NL (Newfoundland) and BC south to FL, TX, CA, and beyond. | ![]() (c) Sorrie, Bruce A. - CC-BY |



