This name is a synonym of Cyanthillium albicans (DC.) H.Rob..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 7A77871E-D573-4B13-BCD3-EC2023E32A31) with original publication details: 6 1834.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:257761-1.
This name was in version 1 of The Plant List, record gcc-136391.