This name is a synonym of Carex koshewnikowii subsp. chitralensis (Nelmes) Dickore.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 225501) with original publication details: Nytt Mag. Bot. 1: 22 1952.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:299138-1.
This name was in version 1 of The Plant List, record kew-225501, and has not been changed.