| Name | Oncidium ×ann-hadderiae Moir |
| Authorship | Moir |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Oncidium |
| Citation | 1972 Phytologia 23: 458 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Oncidium ×ann-hadderiae Moir |
| Identification made in | 2006 (1) |