This name is a synonym of Aristida adscensionis L..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 394862) with original publication details: Tent. Fl. Abyss. 2: 392 1850.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:389585-1.
This name was in version 1 of The Plant List, record kew-394862.