This name is a synonym of Carex flacca Schreb..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 224685) with original publication details: Fl. Berol. Prodr. 32 1787.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:298673-1.
This name was in version 1 of The Plant List, record kew-224685.