This name is a synonym of Carex cristatella Britton & A.Br..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 330780) with original publication details: Rep. (Annual) Michigan Acad. Sci. 22: 180 1921.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:46020-2.
This name was in version 1 of The Plant List, record kew-330780.