| Name | Oncidium mathieuanum H. Gustav Reichenbach & Warszewicz | 
| Authorship | H. Gustav Reichenbach & Warszewicz | 
| Rank | Species | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Oncidium | 
| Citation | 1856 Allg. Deutsche Gart.-Zeitung 24: 321 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Oncidium mathieuanum H. Gustav Reichenbach & Warszewicz | 
| Identification made in | 2007 (1) | 
