This name is a synonym of Aristida divaricata Humb. & Bonpl. ex Willd..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 394956) with original publication details: Bull. Torrey Bot. Club 10: 42 1883.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:327974-2.
This name was in version 1 of The Plant List, record kew-394956, and has not been changed.