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 654BCFF2-4C7A-410E-BCD5-CFDCF5408E67) with original publication details: 242 1808.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:227855-1.
This name was in version 1 of The Plant List, record gcc-124073.