This name is a synonym of Carex rigidioides (Gorodkov) V.I.Krecz..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 224958) with original publication details: Novosti Sist. Vyssh. Rast. 10: 103 1973.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:879489-1.
This name was in version 1 of The Plant List, record kew-224958, and has not been changed.