This name is a synonym of Pleurothallis karlii Pabst.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 329598) with original publication details: Hoehnea 31: 115 2004.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:60437741-2.
This name was in version 1 of The Plant List, record kew-329598, and has not been changed.