| Scientific Name | Authority | Status |
|---|---|---|
| Oncidium luridum var. intermedium | Lindl. | synonym |
| Oncidium guttatum var. intermedium | (Lindl.) Rchb.f. | synonym |
| Oncidium guttatum var. dodgsonii | (B.S.Williams) Cogn. | synonym |
| Cymbidium tetrapetalum | (Jacq.) Sw. | synonym |
| Xaritonia elegans | Raf. | synonym |
| Oncidium boydii | Lindl. | synonym |
| Epidendrum acinaciforme | Pav. ex Lindl. | synonym |
| Oncidium guttatum | (L.) Rchb.f. | synonym |
| Tolumnia tetrapetala | (Jacq.) Braem | synonym |
| Oncidium luridum var. dodgsonii | B.S.Williams | synonym |
| Oncidium intermedium | Knowles & Westc. | ambiguous synonym |
| Oncidium quadripetalum | Sw. | synonym |
| Oncidium pauciflorum | Lindl. | synonym |
| Oncidium cuneatum | Lindl. | ambiguous synonym |
| Epidendrum guttatum | L. | ambiguous synonym |
| Oncidium tetrapetalum | (Jacq.) Willd. | synonym |
| Oncidium luridum var. guttatum | (L.) Lindl. | synonym |
| Cymbidium guttatum | (L.) Willd. | synonym |
| Oncidium guttatum var. auriculatum | Cogn. | synonym |
| Oncidium tricolor | Hook. | synonym |
| Epidendrum tetrapetalum | Jacq. | ambiguous synonym |
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