SECTION Serpentia

1. Oncidium anguloi P.Ortiz 2012 Colombia

2. Oncidium globuliferum Kunth 1816Costa Rica, Panama, Venezuela, Colombia, Ecuador and Peru

3. Oncidium harlingii Stacy 1978 Ecuador

4. Oncidium palaciosii Dodson 1996 Ecuador

5. Oncidium sancti-pauli Kraenzl. 1922 Venezuela and Colombia

6. Oncidium scansor Rchb. f. 1849-50 Venezuela, Colombia, Ecuador, Peru and Bolivia

7. Oncidium serpens Lindl. 1833 Colombia, Ecuador and Peru

8. Oncidium trachycaulon Schltr. 1920 Colombia and Ecuador