| Genus Name | Genus | Grex Name | Year | Author | |
|---|---|---|---|---|---|
| Add+ | Aulosepalum | Aul | tenuiflorum | 1982 | (Greenm.) Garay |
| Add+ | Spiranthes | Spir | tenuiflora | 1900 | Greenm. |
| Add+ | Sarcoglottis | Srgt | tenuiflora | 1947 | (Greenm.) Conz. |
| Add+ | Deiregynopsis | Deiregynopsis | tenuiflora | 1982 | (Greenm.) Rauschert |
| Add+ | Gamosepalum | Gam | tenuiflorum | 1920 | (Greenm.) Schltr. |