The record derives from TICA
(data supplied on )
which reports it as a synonym (record
026EF4F7-699B-4599-8121-501F759FB273) with original publication details: "A.A. Grossheim, Opred. Rast. Kavk.. 1949" 516 1949.
This name record (from TICA) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Lactuca lipskyi in version 1 of The Plant List.