⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Oncidium pusillum in version 1.1 of The Plant List.
This name is a synonym of Erycina pusilla .
The record derives from Tropicos which reports it as a synonym (record 23512420
) with original publication details: Repert. Spec. Nov. Regni Veg. Beih. 27: 115 115 1924.