| 1 | Spiranthes | arcisepala | Appalachian Lady's Tresses | Orchids | Orchidaceae | Magnoliopsida |
| 2 | Spiranthes | bightensis | Atlantic Lady's Tresses | Orchids | Orchidaceae | Magnoliopsida |
| 3 | Spiranthes | cernua | Nodding Lady's Tresses | Orchids | Orchidaceae | Magnoliopsida |
| 4 | Spiranthes | lacera | Slender Lady's Tresses | Orchids | Orchidaceae | Magnoliopsida |
| 5 | Spiranthes | lacera var. gracilis | Southern Slender Lady's Tresses (gracilis) | Orchids | Orchidaceae | Magnoliopsida |
| 6 | Spiranthes | lacera var. lacera | Northern Slender Lady's Tresses (lacera) | Orchids | Orchidaceae | Magnoliopsida |
| 7 | Spiranthes | lucida | Shining Lady's Tresses | Orchids | Orchidaceae | Magnoliopsida |
| 8 | Spiranthes | ochroleuca | Yellow Nodding Lady's Tresses | Orchids | Orchidaceae | Magnoliopsida |
| 9 | Spiranthes | ovalis var. erostellata | October Lady's Tresses | Orchids | Orchidaceae | Magnoliopsida |
| 10 | Spiranthes | praecox | Green-veined Lady's Tresses | Orchids | Orchidaceae | Magnoliopsida |
| 11 | Spiranthes | romanzoffiana | Hooded Lady's Tresses | Orchids | Orchidaceae | Magnoliopsida |
| 12 | Spiranthes | tuberosa | Little Lady's Tresses | Orchids | Orchidaceae | Magnoliopsida |
| 13 | Spiranthes | vernalis | Spring Lady's Tresses | Orchids | Orchidaceae | Magnoliopsida |