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 (record 394619) with original publication details: Ann. Lyceum Nat. Hist. New York 1: 154 1824.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:327943-2.
This name was in version 1 of The Plant List, record kew-394619.