Lactuca canadensis var. longifolia (Michaux) Farwell
Lactuca canadensis var. longifolia (Michaux) Farwell is a synonym sensu FNA Ed. Comm., 2006a of:
Lactuca canadensis Linnaeus, an accepted species name sensu FNA Ed. Comm., 2006a.
Lactuca canadensis var. longifolia (Michaux) Farwell is a synonym sensu FNA Ed. Comm., 2006a of:
Lactuca canadensis Linnaeus, an accepted species name sensu FNA Ed. Comm., 2006a.