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 48BF1AFE-C87A-4C81-8272-5C5B2E77014C) with original publication details: 888 1826.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:250097-1.
This name was in version 1 of The Plant List, record gcc-49815.