| Scientific Name | Authority | Status |
|---|---|---|
| Oncidium unicorne var. pictum | Rchb.f. | synonym |
| Gomesa longicornu | (Mutel) M.W.Chase & N.H.Williams | synonym |
| Gomesa macronyx | (Rchb.f.) M.W.Chase & N.H.Williams | synonym |
| Oncidium rhinoceros | Rchb.f. | synonym |
| Coppensia longicornu | (Mutel) F.Barros & V.T.Rodrigues | synonym |
| Rhinocidium longicornu | (Mutel) Baptista | synonym |
| Oncidium macronyx | Rchb.f. | synonym |
| Oncidium unicorne | Lindl. | synonym |
| Oncidium longicornu var. gautieri | (Regel) Cogn. | synonym |
| Rhinocidium rhinoceros | (Rchb.f.) Szlach. & Kolan. | synonym |
| Oncidium unicorne var. laetum | Rchb.f. | synonym |
| Rhinocerotidium rhinoceros | (Rchb.f.) Szlach. | synonym |
| Gomesa rhinoceros | (Rchb.f.) M.W.Chase & N.H.Williams | synonym |
| Oncidium gautieri | Regel | synonym |
| Rhinocerotidium longicornu | (Mutel) Szlach. | synonym |
| Rhinocerotidium macronyx | (Rchb.f.) Szlach. | synonym |
| Oncidium monoceras | Hook. | synonym |
| Rhinocidium macronyx | (Rchb.f.) Baptista | synonym |
| Oncidium unicornutum | Knowles & Westc. | synonym |
| Coppensia florida | (Vell.) Campacci | synonym |
| Epidendrum floridum | Vell. | synonym |
| Oncidium longicornu var. grossmannii | Dammer | synonym |
| Coppensia macronyx | (Rchb.f.) F.Barros & V.T.Rodrigues | synonym |
| Gomesa florida f. concolor | Meneguzzo | synonym |
| Oncidium longicornu | Mutel | synonym |
Elapsed time: 0.02241702377796173