This name is a synonym of Hyparrhenia mobukensis (Chiov.) Chiov..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 406294) with original publication details: Ann. Naturhist. Mus. Wien 69: 37 1966.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:397023-1.
This name was in version 1 of The Plant List, record kew-406294, and has not been changed.