 
| Genus Name | Genus | Grex Name | Year | Author | |
|---|---|---|---|---|---|
| Add+ | Spiranthes | Spir | lacera | 1833 | (Raf.) Raf. | 
| Add+ | Gyrostachys | Gyrostachys | gracilis | 1891 | (Bigelow) Kuntze | 
| Add+ | Neottia | Neot | gracilis | 1840 | Bigelow | 
| Add+ | Spiranthes | Spir | gracilis | 1833 | (Bigelow) L.C.Beck | 
| Add+ | Triorchis | Triorchis | gracilis | 1913 | (Bigelow) Nieuwl. | 
| Add+ | Neottia | Neot | lacera | 1818 | Raf. | 
 
 
