This name is a synonym of Carex bicknellii Britton & A.Br..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 330748) with original publication details: Provancheria 25: 127 1992.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1128652-2.
This name was in version 1 of The Plant List, record kew-330748, and has not been changed.