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 F22E99F2-F189-4925-8125-F4726F6D5D0B) with original publication details: 34 1961.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:228408-1.
This name was in version 1 of The Plant List, record gcc-140186.