| # | Genus | Species | Common Name | Category | Family | Class |
|---|---|---|---|---|---|---|
| 1 | Neottia | bifolia | Southern Twayblade | Orchids | Orchidaceae | Magnoliopsida |
| 2 | Neottia | cordata | Heartleaf Twayblade | Orchids | Orchidaceae | Magnoliopsida |
| 3 | Neottia | smallii | Appalachian Twayblade | Orchids | Orchidaceae | Magnoliopsida |