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 870EBCFE-F25B-4928-B1FC-E49FB6B39FC7) with original publication details: Prodr. (DC.) 7(1): 185 185 1838.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:250187-1.
This name was in version 1 of The Plant List, record gcc-133045.