This name is a synonym of Hyparrhenia coriacea Mazade.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 419735) with original publication details: Adansonia n.s., 18: 148 1978.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:882450-1.
This name was in version 1 of The Plant List, record kew-419735, and has not been changed.