This name is a synonym of Carex augustinowiczii Meinsh..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 224801) with original publication details: Bot. Zhurn. (Moscow & Leningrad) 75: 863 1990.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:956381-1.
This name was in version 1 of The Plant List, record kew-224801.