This name is a synonym of Launaea capitata (Spreng.) Dandy.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record C416D152-CA04-488C-999A-FA9027925A1A) with original publication details: 180 1838.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:192874-1.
This name was in version 1 of The Plant List, record gcc-142842.