This name is a synonym of Aristida schiedeana Trin. & Rupr..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 394933) with original publication details: Bull. Torrey Bot. Club 13: 27 1886.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:308617-2.
This name was in version 1 of The Plant List, record kew-394933.