This name is a synonym of Hyparrhenia diplandra (Hack.) Stapf.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name (record 419852) with original publication details: Bull. Soc. Roy. Bot. Belgique 55: 45 1923.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:405598-1.
This name was in version 1 of The Plant List, record kew-419852.