This name is a synonym of Hordeum flexuosum Steud..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 405888) with original publication details: Feddes Repert. 95: 441 1984.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:275292-2.
This name was in version 1 of The Plant List, record kew-405888, and has not been changed.