| Genus Name | Genus | Grex Name | Year | Author | |
|---|---|---|---|---|---|
| Add+ | Alatiglossum | Atg | cogniauxianum | 2006 | (Schltr.) Baptista |
| Add+ | Gomesa | Gom | gracillima | 2009 | M.W.Chase & N.H.Williams |
| Add+ | Oncidium | Onc | alfredii | 1922 | Kraenzl. in H.G.A.Engler (ed.) |
| Add+ | Oncidium | Onc | cogniauxianum | 1921 | Schltr. |
| Add+ | Oncidium | Onc | gracillimum | 1906 | Cogn. in C.F.P.von Martius & auct. suc. (eds.) |
| Add+ | Oncidium | Onc | zikanianum | 1926 | Hoehne & Schltr. |
| Add+ | Neoruschia | Neoruschia | cogniauxiana | 2006 | (Schltr.) Cath. & V.P.Castro |