This name is a synonym of Helictotrichon hideoi (Honda) Ohwi.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as a spelling variant (record 397274) with original publication details: Acta Phytotax. Geobot. 2: 162 1933.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:391272-1.
This name was in version 1 of The Plant List, record kew-397274, and has not been changed.