This name is a synonym of Parahyparrhenia annua (Hack.) Clayton.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 419851) with original publication details: J. Agric. Trop. Bot. Appl. 1: 54 1954.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:405597-1.
This name was in version 1 of The Plant List, record kew-419851, and has not been changed.