This name is a synonym of Eragrostis superba Peyr..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 412506) with original publication details: Trans. Linn. Soc. London, Bot. 2: 32 1881.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:401041-1.
This name was in version 1 of The Plant List, record kew-412506, and has not been changed.