⚠ Version 1 of The Plant List has been superseded.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 castaneum in version 1.1 of The Plant List.

Oncidium castaneum Rchb. f. ex L. Linden is a synonym of Oncidium dichromaticum Rchb.f.

This name is a synonym of Oncidium dichromaticum Rchb.f..

The record derives from Tropicos which reports it as a synonym (record 23517146) with original publication details: Ill. Hort. 29: 99 99 1882.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:646934-1.