*Persicaria longiseta (de Bruijn) Kitagawa. Section: Persicaria. Longbristle Smartweed, Bristly Lady’s-thumb, Creeping Smartweed. Phen: May-Oct. Hab: Disturbed areas, lawns, ditches. Dist: Native of Asia.

Origin/Endemic status: E. and se. Asia

Synonymy: = Ar, FNA5, Il, K3, K4, Mi, NE, NY, Pa, Tn, Va; = Persicaria cespitosa (Blume) Nakai var. longiseta (Bruijn) C.F.Reed – Fl4; = Polygonum cespitosum Blume var. longisetum (Bruijn) Steward – C, F, G, GW2, K1, RAB, W, WH3, WV, Horton (1972), Mitchell & Dean (1978); = Polygonum longisetum Bruijn

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