This name is a synonym of Aristida mutabilis Trin. & Rupr..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name (record 395187) with original publication details: Fl. Brit. India 7: 226 1896.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:389792-1.
This name was in version 1 of The Plant List, record kew-395187.