This name is a synonym of Hyparrhenia pilgeriana C.E.Hubb..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 419725) with original publication details: Fl. Agrost. Congo Belge 1: 180 1929.
This name was in version 1 of The Plant List, record kew-419725, and has not been changed.