This name is a synonym of Prosthechea concolor (Lex.) W.E.Higgins.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 67752) with original publication details: Bonplandia (Hannover) 3: 219 1855.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:631308-1.
This name was in version 1 of The Plant List, record kew-67752, and has not been changed.