POLYGONACEAE

Persicaria amphibia (Linnaeus) S.F. Gray ssp. laevimarginata (Hultén) Soják. Water Smartweed. Phen: Jun-Oct. Hab: Marshes, wet disturbed areas. Dist: NL (Newfoundland), NU, and AK south to SC, TN, TX, and CA, and southward into the New World tropics.

Origin/Endemic status: Native

Syn: = NE, NY; = Polygonum amphibium var. stipulaceum – C, F, K1, Mitchell & Dean (1978); < Persicaria amphibia – Ar, Fl4, FNA5, Il, K3, K4, Pa, Tn, Va; > Persicaria amphibia var. stipulacea – Mi, Mo3; ? Persicaria muhlenbergii – S; < Polygonum amphibium – W; < Polygonum coccineum – G, RAB, Horton (1972)

Show in key(s)

Show parent