This name is a synonym of Aristida recta Franch..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 394401) with original publication details: Bull. Herb. Boissier II, 6: 707 1906.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:389256-1.
This name was in version 1 of The Plant List, record kew-394401, and has not been changed.