| Scientific Name | Authority | Status |
|---|---|---|
| Psygmorchis pusilla | (L.) Dodson & Dressler | synonym |
| Oncidium pusillum var. megalanthum | Schltr. | synonym |
| Epidendrum ventilabrum | Vell. | synonym |
| Cymbidium pusillum | (L.) Sw. | synonym |
| Oncidium pusillum | (L.) Mutel | synonym |
| Oncidium iridifolium | Kunth | ambiguous synonym |
| Erycina allemanii | (Barb.Rodr.) N.H.Williams & M.W.Chase | synonym |
| Epidendrum pusillum | L. | ambiguous synonym |
| Oncidium allemanii | Barb.Rodr. | synonym |
| Tolumnia pusilla | (L.) Hoehne | synonym |
| Psygmorchis allemanii | (Barb.Rodr.) Garay & Stacy | synonym |
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