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 902A03F9-A603-45F5-85DA-A23A91F3A793) with original publication details: "Fl. Boston., ed. 2 292" 292 1824.
This name was in version 1 of The Plant List, record gcc-103876.