This name is a synonym of Carex rafflesiana Boott.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 225421) with original publication details: Kew Bull. 5: 193 1950.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:299094-1.
This name was in version 1 of The Plant List, record kew-225421.