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 62CD5346-F5EF-412F-840B-4E5151D71E88) with original publication details: 134 1838.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:228194-1.
This name was in version 1 of The Plant List, record gcc-42280.