This name is a synonym of Hyparrhenia dregeana (Nees) Stapf ex Stent.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 419815) with original publication details: Fl. Trop. Afr. 9: 346 1918.
This name was in version 1 of The Plant List, record kew-419815, and has not been changed.