This name is a synonym of Carex brunnescens (Pers.) Poir..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 225179) with original publication details: Ann. Bot. Fenn. 2: 207 1965.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:45897-2.
This name was in version 1 of The Plant List, record kew-225179.