Boltonia diffusa Elliott var. diffusa . Phen: Aug-Oct. Hab: Clay-based Carolina bays, roadsides, powerline rights-of-way, and other artificially open areas. Dist: Se. SC south to s. FL, west to e. TX, inland in the interior to c. TN, s. IL, s. MO, AR, and se. OK; disjunct in the Bahamas (Mangrove Cay of Andros Island). See Sorrie & LeBlond (2008) for comments on distribution and nativity.
Origin/Endemic status: Native
Synonymy: = Ar, F, FNA20, Il, K1, Va, Morgan (1966); < Boltonia caroliniana (Walter) Fernald – RAB; < Boltonia diffusa Elliott – C, Fl7, G, K3, K4, NcTx, Ok, SE1, Tx, WH3, Anderson (1987); < Boltonia sp. – GW2