This name is a synonym of Carex polystachya Sw. ex Wahlenb..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 225563) with original publication details: Pflanzenr. IV, 20(38): 268 1909.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:45974-2.
This name was in version 1 of The Plant List, record kew-225563.