This name is a synonym of Stipagrostis lanata (Forssk.) De Winter.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25530110) with original publication details: Sp. Gram. Stipac. 166 1842.
This name was in version 1 of The Plant List, record tro-25530110, and has not been changed.