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 and as an illegitimate name (record 226424) with original publication details: Verz. Pfl. Casp. Meer. 31 1831.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:299689-1.
This name was in version 1 of The Plant List, record kew-226424.