This name is a synonym of Carex diluta M.Bieb..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 225845) with original publication details: Trudy Bot. Muz. Imp. Akad. Nauk 7: 97 1910.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:299371-1.
This name was in version 1 of The Plant List, record kew-225845.