This name is a synonym of Cymopterus filifolius (Mathias, Constance & W.L.Theob.) B.L.Turner.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Madroño 20: 214 1970.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:8292-2.
This name was in version 1 of The Plant List, record kew-2628123, and has not been changed.