This name is a synonym of Rhynchospora hirsuta (Vahl) Vahl.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 263351) with original publication details: Eclog. Amer. 1: 6 1797.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:312873-1.
This name was in version 1 of The Plant List, record kew-263351, and has not been changed.