This name is a synonym of Lactuca saligna L..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym and as an illegitimate name (record E7500235-42DD-4527-9CA8-1E431D4C866C) with original publication details: 462 1813.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:192882-1.
This name was in version 1 of The Plant List, record gcc-16371.