This name is a synonym of Aristida virgata Trin..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 395051) with original publication details: Grass. N. Amer. 2: 201 1896.
This name was in version 1 of The Plant List, record kew-395051, and has not been changed.