This name is a synonym of Phragmipedium boissierianum (Rchb.f. & Warsz.) Rolfe.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 23505727) with original publication details: Xenia Orchid. 1: 177 1856.
This name was in version 1 of The Plant List, record tro-23505727.