This name is a synonym of Desmostachya bipinnata (L.) Stapf.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 409715) with original publication details: Elench. Pl. 6 1816.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:941373-1.
This name was in version 1 of The Plant List, record kew-409715.