This name is a synonym of Lactuca lessertiana (Wall. ex DC.) Wall. ex C.B.Clarke.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 8ECD2859-04D3-4D3B-8EC0-31DA7FFA171F) with original publication details: Jacquem. Voy. Bot. 1844.
This name was in version 1 of The Plant List, record gcc-26966.