This name is a synonym of Carex vulpinoidea Michx..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 331062) with original publication details: Naturaliste Canad. 70: 278 1943.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:47432-2.
This name was in version 1 of The Plant List, record kew-331062.