This name is a synonym of Echinochloa rotundiflora Clayton.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 399695) with original publication details: Fl. Trop. Afr. 9: 534 1919.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:392966-1.
This name was in version 1 of The Plant List, record kew-399695.