This name is a synonym of Carex petitiana A.Rich..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 225788) with original publication details: Bull. Misc. Inform. Kew 1938: 247 1938.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:299335-1.
This name was in version 1 of The Plant List, record kew-225788.