This name is a synonym of Stipagrostis plumosa Munro ex T.Anderson.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25557797) with original publication details: Bull. Soc. Hist. Nat. Afrique N. 29: 455 1938.
This name was in version 1 of The Plant List, record tro-25557797.