Polygala aquilonia (Fernald & Schubert) Sorrie & Weakley. Northern Drumheads. Phen: Jun-Oct. Hab: Bogs, damp or wet soil in openings. Dist: S. ME, NY, MI, and MN south to e. VA, w. NC, n. GA, n. AL, TN, and IL.

Origin/Endemic status: Native

Taxonomy Comments: Sorrie & Weakley (2017) supported species rank for this entity.

Synonymy: = K4, Sorrie & Weakley (2017a); = Polygala cruciata L. – S; = Polygala cruciata L. ssp. aquilonia (Fernald & Schub.) A.Haines – NE, Haines (2010), nom. Illeg.; = Polygala cruciata L. var. aquilonia Fernald & Schub. – F, Il, K1; < Polygala cruciata L. – C, FNA10, G, K3, Mi, NY, Pa, RAB, Tn, WV

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