The record derives from TICA
(data supplied on )
which reports it as a synonym (record
5BC1778C-0D35-4FA6-A561-A249AFABA0C8) with original publication details: "P.E. Boissier, Fl. Orient. 3. 1875" 808 1875.
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 stricta in version 1 of The Plant List.