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 EB9C9C4A-2302-49F2-A34B-D3A863FB4A3E) with original publication details: Consp. 433. 433 1879.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:250394-1.
This name was in version 1 of The Plant List, record gcc-125714.