⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-139706, with some changes.

Oncidium monoceras Hook. is a synonym of Oncidium longicornu Mutel

The record derives from WCSP which reports it as a synonym (record 139706) with original publication details: Bot. Mag. 68: t. 3890 1841.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:647347-1.