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 395276) with original publication details: Ann. Bot. Syst. 3: 753 1853.
This name was in version 1 of The Plant List, record kew-395276.