This name is a synonym of Lactuca quercina L..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 68843039-CDE6-4CDC-A286-90F2F0C5F04E) with original publication details: 435 1822.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:194483-1.
This name was in version 1 of The Plant List, record gcc-96173.