This name is a synonym of Carex canescens L..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 225629) with original publication details: Ann. Bot. (Usteri) 21: 33 1797.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:299221-1.
This name was in version 1 of The Plant List, record kew-225629.