⚠ Version 1 of The Plant List has been superseded.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 olivaceum in version 1.1 of The Plant List.
This name is a synonym of Caucaea olivacea .
The record derives from Tropicos which reports it as a synonym (record 50098802
) with original publication details: Orch. Guide 187 187 1901.