This name is a synonym of Carex cumulata (L.H.Bailey) Mack..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 330785) with original publication details: Rhodora 44: 285 1942.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:46038-2.
This name was in version 1 of The Plant List, record kew-330785.