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Persicaria setacea (Baldwin) Small. Section: Persicaria. Swamp Smartweed. Phen: Jul-Nov. Hab: Swamp forests, bottomland forests. Dist: MA, MI, MO, and OK south to s. FL and TX. Discovered in Ripley County, IN (S. Namestnik, pers.comm. 2022).

Origin/Endemic status: Native

Synonymy: = Ar, Fl4, FNA5, Il, K3, K4, NE, NY, Pa, S, Tn, Tx, Va; = Polygonum hydropiperoides Michx. var. setaceum (Baldwin) Gleason – C, G; = Polygonum setaceum Baldwin – GW2, NcTx, RAB, W, WH3, Horton (1972), Mitchell & Dean (1978); > Polygonum setaceum Baldwin var. interjectum Fernald – F, K1; > Polygonum setaceum Baldwin var. setaceum – F, K1; > Polygonum setaceum Baldwin var. tonsum Fernald – F, K1

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷

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