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 AB6BD93B-8B36-4AC3-B570-38EE0E4B347B) with original publication details: 1 1799.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:228228-1.
This name was in version 1 of The Plant List, record gcc-30748.