SECTION Cebolletae

1. Oncidium aguirrei [Koniger] in ed. Colombia

2. Oncidium ascendens Lindley 1842

3. Oncidium ayacuchense [J M H Shaw] in ed southern Venezuela

4. Oncidium biorbicularis [Balam & Cetzal] in ed. Queretaro Mexico

5. Oncidium brachyphyllum Lindl. 1842

6. Oncidium caatingaense (Cetzal, V.P.Castro & Marçal) in ed. Ceara and Minas Gerais states of Brazil

7. Oncidium cebolleta (Jacq.) Sw. 1800 TYPE Colombia and Venezuela

8. Oncidium cepula Hoffmanns. 1843 The Leewards, the Windwards, Trinidad & Tobago, Surinam, Venezuela, Brazil, Peru, Bolivia, Paraguay and Argentina

9. Oncidium × francoi (Cetzal & Carnevali) in ed. Costa Rica

10. Oncidium helicanthum Kraenzl. 1922 Honduras, Nicaragua, Costa Rica, Panama and Colombia

11. Oncidium jonesianum Rchb.f 1883 Brazil, Bolivia, Paraguay and Argentina

12. Oncidium lacerum Lindl. 1844 Panama

13. Oncidium leptotifolium (Cetzal & Carnevali) in ed. northern Mexico

14. Oncidium longifolium Lindl. 1841 Mexico

15. Oncidium macrocebolletum (Cetzal & Carnevali) in ed. Venezuela

16. Oncidum × marvraganii (Lückel) in ed.

17. Oncidium nudum Bateman ex Lindl.1837

18. Oncidium pendulum [Carnevali & Cetzal-Ix] in ed. Jalisco Mexico

19. Oncidium sprucei Lindley 1855

20. Oncidium stacyi Garay 1973

21. Oncidium ultrajectinum Pulle 1907 Venezuela, Guyana and Surinam

22. Oncidium yucatanense (Cetzal & Carnevali) in ed. southeastern Mexico