This name is a synonym of Scleria terrestris var. thomsoniana (Boeckeler) D.M.Verma.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 265766) with original publication details: Linnaea 38: 479 1874.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:315091-1.
This name was in version 1 of The Plant List, record kew-265766, and has not been changed.