POLYGONACEAE

Persicaria pensylvanica (Linnaeus) M. Gómez. Pinkweed, Common Smartweed, Pennsylvania Smartweed. Phen: May-Dec. Hab: Disturbed areas, bottomlands. Dist: NL (Newfoundland), ON, MT, and CA, south to FL, TX, AZ; disjunct (perhaps only introduced?) in AK, Ecuador, Europe.

Origin/Endemic status: Native

Syn: = Ar, FNA5, K3, K4, Mi, Mo3, NE, NY, Pa, S, Tn, Tx, Va; = Polygonum pensylvanicum – C, GW2, K1, NcTx, RAB, W, WH3, WV, Horton (1972); < Persicaria pensylvanica – Fl4; > Persicaria pensylvanica var. dura – Il; > Persicaria pensylvanica var. laevigata – Il; > Persicaria pensylvanica var. pensylvanica – Il; > Polygonum pensylvanicum var. durum – F; > Polygonum pensylvanicum var. eglandulosum – F; > Polygonum pensylvanicum var. laevigatum – F; > Polygonum pensylvanicum var. pensylvanicum – F; > Polygonum pensylvanicum var. rosaeflorum – F

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