| Name | Oncidium diffusum C. Schweinfurth | 
| Authorship | C. Schweinfurth | 
| Rank | Species | 
| Placed in | Oncidium | 
| GUID | urn:lsid:ipni.org:names:173996-2 | 
| Citation | 1951 Fieldiana, Bot. XXVIII(1): 199 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Oncidium diffusum C. Schweinfurth | 
| Identification made in | 2010 (1) | 
