⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-249400, with some changes.

Hyalosema ornithorhynchum (J.J.Sm.) Rysy is a synonym of Bulbophyllum antenniferum (Lindl.) Rchb.f.

This name is a synonym of Bulbophyllum antenniferum (Lindl.) Rchb.f..

The record derives from WCSP which reports it as a synonym (record 249400) with original publication details: J. Orchideenfr. 9: 336 2002.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:20009338-1.