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 454584) with original publication details: Man. Orchid. Pl. 4: 65 1889.
This name was in version 1 of The Plant List, record kew-454584.