This name is a synonym of Carex viridula Michx..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 226131) with original publication details: Fl. Dan. t. 371 1768.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:299515-1.
This name was in version 1 of The Plant List, record kew-226131.