This name is a synonym of Helictotrichon parlatorei (J.Woods) Pilg..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 397749) with original publication details: Tourist's Fl. 405 1850.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1006292-1.
This name was in version 1 of The Plant List, record kew-397749, and has not been changed.