This name is a synonym of Aristida congesta Roem. & Schult..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 394828) with original publication details: Bol. Soc. Brot. 7: 143 1888.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:389560-1.
This name was in version 1 of The Plant List, record kew-394828.