| Name | Oncidium ostenianum Schlechter |
| Authorship | Schlechter |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Oncidium |
| GUID | urn:lsid:ipni.org:names:647391-1 |
| Citation | 1925 Repert. Spec. Nov. Regni Veg. 21: 341 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Oncidium ostenianum Schlechter |
| Identification made in | 1974 (1), 2018 (1) |