This name is a synonym of Sonchus asper (L.) Hill.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record B5B44AFA-6837-460F-8265-08FD6FD3BAB7) with original publication details: Fl. Carol. 192 192 1788.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:250067-1.
This name was in version 1 of The Plant List, record gcc-4830.