Persicaria coccinea (Muhlenberg) Greene. Red-careless. Phen: Jun-Oct. Hab: Shores, streams, sluggish water. Dist: Throughout North America.
Origin/Endemic status: Native
Syn: = Il, NE, NY, Tx; = Persicaria amphibia var. emersa – Mi, Mo3; = Polygonum amphibium var. emersum – C, GW2, K1, NcTx, Mitchell & Dean (1978); < Persicaria amphibia – Ar, Fl4, FNA5, K3, Pa, Tn, Va; < Persicaria muhlenbergii – S; < Polygonum amphibium – W; < Polygonum coccineum – RAB, Horton (1972); > Polygonum coccineum – G; > Polygonum coccineum var. coccineum – F; > Polygonum coccineum var. pratincola – F; > Polygonum coccineum var. rigidulum – F; > Polygonum natans – G
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