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 432546) with original publication details: Ann. Bot. Syst. 6: 965 1865.
This name was in version 1 of The Plant List, record kew-432546.