This name is a synonym of Aristida hordeacea Kunth.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 395040) with original publication details: Proc. & Trans. Rhodesia Sci. Assoc. 32: 45 1933.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:389700-1.
This name was in version 1 of The Plant List, record kew-395040, and has not been changed.