This name is a synonym of Aristida ternipes Cav..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 395265) with original publication details: J. Wash. Acad. Sci. 23: 453 1933.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:19366-2.
This name was in version 1 of The Plant List, record kew-395265.