This name is a synonym of Jacobaea vulgaris Gaertn..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record DE8E134E-3023-4F31-A847-B6542D9865BE).
This name record (from TICA) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Senecio jacobaea in version 1 of The Plant List.