This name is a synonym of Briza calotheca (Trin.) Hack..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 412429) with original publication details: Bot. Arch. 5: 187 1924.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:93081-2.
This name was in version 1 of The Plant List, record kew-412429.