Iodanthus pinnatifidus (Michaux) Steudel. Phen: May-Jun. Hab: Rich forests of bottomlands and lower slopes, bottomland fields. Dist: W. PA west to MN and IA, south through WV and e. and c. TN to AL and e. and se. TX.
Origin/Endemic status: Native
Synonymy: = Ar, C, F, FNA7, G, GrPl, Il, K1, K3, K4, NcTx, Pa, S, Tn, Tx, WV, Al-Shehbaz (1988a), Rollins (1993)