This name is a synonym of Leptochloa virgata (L.) P.Beauv..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25526455) with original publication details: Ann. Sci. Nat., Bot. 5: 302 1825.
This name was in version 1 of The Plant List, record tro-25526455.