Boltonia decurrens (Torrey & A. Gray) Alph. Wood. Phen: Aug-Oct (-Dec). Hab: Riverbanks, open areas in floodplains, edges of fields. Dist: N. IL south to se. MO, along the Mississippi and Illinois rivers.
Origin/Endemic status: Native
Synonymy: = C, FNA20, Il, K3, K4, Mo2; = Boltonia latisquama A.Gray var. decurrens (Torr. & A.Gray) Fernald & Griscom – F