This name is a synonym of Senecio pinguifolius (DC.) Sch.Bip..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record EF1D7789-DAC7-42ED-BEE5-BCFF1CFAD40A) 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:227419-1.
This name was in version 1 of The Plant List, record gcc-115791, and has not been changed.