Hypericum mutilum Linnaeus var. mutilum . Phen: Jun-Oct. Hab: Bogs, fens, marshes, shores, other wet habitats. Dist: NL (Newfoundland) and QC west to MB, south to s. FL and c. TX; scattered (probably as an adventive) farther west in North America, in Central and South America, and Europe.
Origin/Endemic status: Native
Syn: = F, Tx, Va; = Hypericum mutilum ssp. mutilum – FNA6, K4, Mo2, NY, Robson (1985, 1990, 2001, 2002, 2006); < Hypericum mutilum – Ar, C, G, GrPl, GW2, Il, K1, K3, Mi, NcTx, NE, Pa, RAB, S, Tn, W, WH3, WV, Adams (1973)