This name is a synonym of Polystichum pseudocastaneum Ching & S.K. Wu.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50049719) with original publication details: Fl. Xizang. 1: 224–225, pl. 54, f. 9–12 1983.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17506080-1.
This name was in version 1 of The Plant List, record tro-50049719, and has not been changed.