This name is a synonym of Hyparrhenia cymbaria (L.) Stapf.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25525568) with original publication details: J. Discov. Source Nile 652 1863.
This name was in version 1 of The Plant List, record tro-25525568, and has not been changed.