This name is a synonym of Aristida murina Cav..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 394949) with original publication details: Sp. Gram. Stipac. 117 1842.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:19282-2.
This name was in version 1 of The Plant List, record kew-394949, and has not been changed.