Polygala cruciata subsp. aquilonia (Fernald & B.G. Schubert) A. Haines
Polygala cruciata subsp. aquilonia (Fernald & B.G. Schubert) A. Haines is a synonym sensu FNA Ed. Comm., 2021 of:
Polygala cruciata Linnaeus, an accepted species name sensu FNA Ed. Comm., 2021.