This name is a synonym of Aristida cumingiana Trin. & Rupr..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 394473) with original publication details: Icon. 5: 43 1799.
This name was in version 1 of The Plant List, record kew-394473.