This name is a synonym of Senecio crassulaefolius (DC.) Sch.Bip..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 3CE0EC13-1489-473A-840C-ECAEDCAEB183) with original publication details: Prodr. (DC.) 6: 336 336 1838.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:227373-1.
This name was in version 1 of The Plant List, record gcc-136652.