This name is a synonym of Lactuca tatarica (L.) C.A.Mey..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym and as an illegitimate name (record 05F12595-D92D-402D-A4F7-B97078ED227A) with original publication details: 443 1841.
⥇ A cross-taxon basionym link was ignored while processing this record,
see Lactuca integrifolia Bigelow.
This name was in version 1 of The Plant List, record gcc-114265.