This name is a synonym of Cyanthillium patulum (Dryand. ex Dryand.) H.Rob..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 7596408E-ACC0-45CF-AAEC-0AC005F61238) with original publication details: 594 1900.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:185835-1.
This name was in version 1 of The Plant List, record gcc-5777.