This name is a synonym of Carex californica L.H.Bailey.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 229874) with original publication details: Pflanzenr. IV, 20(38): 515 1909.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:46904-2.
This name was in version 1 of The Plant List, record kew-229874, and has not been changed.