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 412450) with original publication details: Ess. Agrostogr. 71 1812.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:400996-1.
This name was in version 1 of The Plant List, record kew-412450.