This name is a synonym of Carex media R.Br..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 224411) with original publication details: Fl. Lapp. 241 1812.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:45702-2.
This name was in version 1 of The Plant List, record kew-224411, and has not been changed.