This name is a synonym of Panicum dregeanum Nees.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name (record 427676) with original publication details: Sudania 1: 62 1911.
This name was in version 1 of The Plant List, record kew-427676, and has not been changed.