This name is a synonym of Carex jamesii Schwein..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 224819) with original publication details: Bull. S. Calif. Acad. Sci. 4: 108 1905.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:45831-2.
This name was in version 1 of The Plant List, record kew-224819, and has not been changed.