This name is a synonym of Aristida adscensionis L..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25507400) with original publication details: Meded. Rijks-Herb. 54: 158–159, f. 1926.
This name was in version 1 of The Plant List, record tro-25507400.