Boltonia asteroides (Linnaeus) L'Héritier var. latisquama (A. Gray) Cronquist. Phen: Aug-Oct. Hab: Ditches. Dist: WI west to ND, south to MS and OK; disjunct (presumably introduced) in NC and se. VA.
Origin/Endemic status: Native
Synonymy: = Ar, C, FNA20, G, GrPl, Il, K1, K3, K4, NE, SE1, Morgan (1966), Townsend (2013); = Boltonia latisquama A.Gray var. latisquama – F; = n/a – RAB; < Boltonia asteroides (L.) L'Hér. – Mi, Ok; < Boltonia sp. – GW2