POLYGONACEAE

Persicaria hydropiperoides (Michaux) Small. Waterpepper. Phen: May-Nov. Hab: Swamp forests, streams, ditches. Dist: NS, ON, and AK, south to FL, TX, and CA, and into the New World tropics.

Origin/Endemic status: Native

Syn: = Ar, FNA5, K3, K4, Mi, Mo3, NE, NY, Pa, Tn, Va; = Polygonum hydropiperoides – Bah, K1, NcTx, W, WH3, WV, Horton (1972); > Persicaria hydropiperoides – S; > Persicaria hydropiperoides var. bushiana – Il; > Persicaria hydropiperoides var. hydropiperoides – Il, Tx; > Persicaria hydropiperoides var. opelousana – Tx; > Persicaria opelousana – Il, S; > Polygonum hydropiperoides – GW2, Mitchell & Dean (1978); > Polygonum hydropiperoides var. breviciliatum – F; > Polygonum hydropiperoides var. euronotorum – F; > Polygonum hydropiperoides var. hydropiperoides – C, F, RAB; > Polygonum hydropiperoides var. opelousanum – C, RAB; > Polygonum opelousanum – GW2, Mitchell & Dean (1978); > Polygonum opelousanum var. opelousanum – F

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