This name is a synonym of Carex sartwellii Dewey.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 226119) with original publication details: Amer. J. Sci. Arts II, 41: 330 1866.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:46096-2.
This name was in version 1 of The Plant List, record kew-226119.