| Scientific Name | Authority | Status |
|---|---|---|
| Oncidium wydleri | Rchb.f. | synonym |
| Oncidium forkelii | Scheidw. | synonym |
| Epidendrum altissimum | Jacq. | ambiguous synonym |
| Cymbidium altissimum | (Jacq.) Sw. | synonym |
| Xeilyathum altissimum | (Jacq.) Raf. | synonym |
| Oncidium hannelorae | Nir | synonym |
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