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 invalid name (record 432540) with original publication details: Linnaea 25: 560, 563 1853.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:414888-1.
This name was in version 1 of The Plant List, record kew-432540.