This name is a synonym of Carex brunnea Thunb..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 225608) with original publication details: Enum. Pl. 2: 391 1837.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:299207-1.
This name was in version 1 of The Plant List, record kew-225608.