| Name | Oncidium geertianum C. Morren |
| Authorship | C. Morren |
| Rank | Species |
| Placed in | Oncidium |
| Citation | 1848 Ann. Soc. Roy. Agric. Gand 4: 55, t. 179 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Oncidium geertianum C. Morren |
| Identification made in | 1994 (1) |