Hedysarum alpinum subsp. americanum (Michaux ex Pursh) B. Fedtschenko
Hedysarum alpinum subsp. americanum (Michaux ex Pursh) B. Fedtschenko is a synonym sensu FNA Ed. Comm., 2023a of:
Hedysarum americanum (Michaux ex Pursh) Britton, an accepted species name sensu Elven, 2007+.