This name is a synonym of Setaria barbata (Lam.) Kunth.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 404406) with original publication details: Revis. Gen. Pl. 3(2): 347 1898.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:395636-1.
This name was in version 1 of The Plant List, record kew-404406, and has not been changed.