Hedysarum boreale var. mackenziei (Richardson) C.L. Hitchcock
Hedysarum boreale var. mackenziei (Richardson) C.L. Hitchcock is a synonym sensu FNA Ed. Comm., 2023b of:
Hedysarum boreale subsp. mackenziei (Richardson) S.L. Welsh, an accepted subspecies name sensu FNA Ed. Comm., 2023b.