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 (record BDBEE914-097C-4CC3-BFD4-6F53943C6D84) with original publication details: 248 1838.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:233748-1.
This name was in version 1 of The Plant List, record gcc-81229.