.
| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|
| Violaceae | Viola sororia | | Non-standard. Added for North Carolina Botanical Garden planted species. | | |
| Violaceae | Viola sororia var. 1 ["glabrous" variant] | | Moist forests. | Se. PA, w. VA, w. NC; poorly known and probably more widespread. | 
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| Violaceae | Viola sororia var. 2 ["hirsutuloides" variant] | | Loam or clay soils in dry-mesic to wet-mesic forests, higher ground and terraces or borders of bottomlands. | E. NJ and PA, c. NY, e. OH, w. NC and n. GA. | |
| Violaceae | Viola sororia var. sororia | Common Blue Violet | Loam or clay soils in dry-mesic to wet-mesic forests, higher ground and terraces or borders of bottomlands, and lawns and other anthropogenically modified sites formerly with native vegetation. | NL (Newfoundland) west to MB, south to s. FL and TX. | 
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