This name is a synonym of Sorghum plumosum (R.Br.) P.Beauv..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 440200) with original publication details: Austral. Syst. Bot. 16: 291 2003.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:70027982-1.
This name was in version 1 of The Plant List, record kew-440200, and has not been changed.