 
| Genus Name | Genus | Grex Name | Year | Author | |
|---|---|---|---|---|---|
| Add+ | Pelexia | Pel | pterygantha | 1920 | (Rchb.f. & Warm.) Schltr. | 
| Add+ | Pachygenium | Pachygenium | dolichorhizum | 2001 | (Schltr.) Szlach. | 
| Add+ | Pachygenium | Pachygenium | pteryganthum | 2001 | (Rchb.f. & Warm.) Szlach. | 
| Add+ | Pelexia | Pel | dolichorhiza | 1920 | Schltr. | 
| Add+ | Gyrostachys | Gyrostachys | pterygantha | 1891 | (Rchb.f. & Warm.) Kuntze | 
| Add+ | Spiranthes | Spir | pterygantha | 1881 | Rchb.f. & Warm. in H.G.Reichenbach | 
 
 
