This name is a synonym of Phragmipedium longifolium (Warsz. & Rchb.f.) Rolfe.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 54192) with original publication details: Gard. Chron. 1890(2): 729 1890.
This name was in version 1 of The Plant List, record kew-54192.