This name is a synonym of Eragrostis rigidiuscula Domin.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 413233) with original publication details: Fl. Austral. 7: 650 1878.
This name was in version 1 of The Plant List, record kew-413233, and has not been changed.