This name is a synonym of Aristida setifolia Kunth.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 395123) with original publication details: Enum. Pl. 1: 197 1833.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:389746-1.
This name was in version 1 of The Plant List, record kew-395123.