| Scientific Name | Authority | Status |
|---|---|---|
| Oncidium bifolium var. majus | B.S.Williams | synonym |
| Gomesa chrysothyrsus | (Rchb.f. ex R.Warner) M.W.Chase & N.H.Williams | synonym |
| Oncidium beyrodtianum | Schltr. | synonym |
| Ampliglossum bifolium | (Sims) Campacci | synonym |
| Coppensia chrysothyrsus | (Rchb.f. ex R.Warner) Szlach. & Kolan. | synonym |
| Coppensia bifolia | (Sims) Dumort. | synonym |
| Oncidium batemanianum | Griseb. | ambiguous synonym |
| Oncidium bifolium | Sims | synonym |
| Oncidium chrysothyrsus | Rchb.f. ex R.Warner | synonym |
| Oncidium celsissimum | Hoffmanns. | synonym |
| Oncidium celsianum | A.Rich. | synonym |
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