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 435693) with original publication details: Observ. Bot. 4: 20 1786.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:416850-1.
This name was in version 1 of The Plant List, record kew-435693.