This name is a synonym of Cymopterus filifolius .
The record derives from WCSP (in review) (data supplied on ) 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
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This name was in version 1 of The Plant List, record kew-2628123, and has not been changed.