| Name | Oncidium polystachioides F. Lehmann & Kraenzlin |
| Authorship | F. Lehmann & Kraenzlin |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Oncidium |
| Citation | 1899 Bot. Jahrb. Syst. 26: 495 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Oncidium polystachioides F. Lehmann & Kraenzlin |
| Identification made in | 1993 (1), 2017 (1) |