This name is a synonym of Carex satsumensis Franch. & Sav..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 225688) with original publication details: Beitr. Cyper. 2: 34 1890.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:299260-1.
This name was in version 1 of The Plant List, record kew-225688, and has not been changed.