This name is a synonym of Lactuca polyclada Boiss..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 38B02772-A97F-4C27-B0F2-67D06AFF3A83) with original publication details: 793 1875.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:192954-1.
This name was in version 1 of The Plant List, record gcc-77869.