| 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+ | Deiregyne | Dei | tenuiflora | 1986 | (Greenm.) Burns-Bal. |
| Add+ | Deiregynopsis | Deiregynopsis | tenuiflora | 1982 | (Greenm.) Rauschert |