This name is a synonym of Pennisetum glaucum (L.) R.Br..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 429107) with original publication details: Observ. Bot. 20 1772.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:182140-2.
This name was in version 1 of The Plant List, record kew-429107.