This name is a synonym of Rhynchospora cephalotes (L.) Vahl.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 265341) with original publication details: Enum. Pl. 2: 301 1837.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:314704-1.
This name was in version 1 of The Plant List, record kew-265341.