Arnoglossum reniforme (Hooker) H. Robinson. Great Indian-plantain. Phen: Jun-Oct. Hab: Cove forests, floodplains, other mesic forests. Dist: PA and MN, south to SC (Gaddy 2014), GA, MS, and OK.

ID notes: The very large, reniform leaves (sometimes up to 75 cm across) are conspicuous in rich cove forests.

Origin/Endemic status: Native

Synonymy: = Ar, FNA20, Il, K2, K3, K4, Ok, Pa, Tn, Va, Anderson (1998), Barkley (1999); = Arnoglossum muehlenbergii – K1; = Cacalia muhlenbergii (Sch.-Bip.) Fernald – C, F, G, Oh3, RAB, SE1, W, Harper (1905a), Pippen (1978); = Mesadenia reniformis (Hook.) Raf. – S

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