Lathyrus palustris var. myrtifolius (Muhlenberg ex Willdenow) A. Gray
Lathyrus palustris var. myrtifolius (Muhlenberg ex Willdenow) A. Gray is a synonym sensu FNA Ed. Comm., 2023b of:
Lathyrus palustris Linnaeus, an accepted species name sensu FNA Ed. Comm., 2023b.