Persicaria coccinea (Muhlenberg) Greene. Section: Persicaria. Common name: Red-careless. Phenology: Jun-Oct. Habitat: Shores, streams, sluggish water. Distribution: Throughout North America.

Origin/Endemic status: Native

Taxonomy Comments: See https://www.inaturalist.org/observations/58501860 for a discussion about the distinctiveness of this taxon.

Synonymy ⓘ: = Il, NE, NY, Tx; = Persicaria amphibia (L.) Delarbre var. emersa (Michx.) J.C.Hickman — Can, Mi, Mo3; = Polygonum amphibium L. var. emersum Michx. — C, GW2, NcTx, Mitchell & Dean (1978); < Persicaria amphibia (L.) Delarbre — Ar, Fl4, FNA5, Pa, POWO, Tn, Va; < Persicaria emersa (Michx.) Small — S13; < Persicaria muhlenbergii (S.Watson) Small — S; < Polygonum amphibium L. — W; < Polygonum coccineum Muhl. ex Willd. — RAB, Tat, Horton (1972); > Polygonum coccineum Muhl. ex Willd. — G; > Polygonum coccineum Muhl. ex Willd. var. coccineum — F; > Polygonum coccineum Muhl. ex Willd. var. pratincola (Greene) Stanford — F; > Polygonum coccineum Muhl. ex Willd. var. rigidulum (E.Sheld.) Stanford — F; > Polygonum natans (Michx.) Eaton — G. Basionym: Polygonum coccineum Muhl. ex Willd. 1809

Links to other floras: < Persicaria amphibia - FNA5

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: OBL (taxonomic split from wetland indicator species)
• Eastern Mountains and Piedmont: OBL (taxonomic split from wetland indicator species)
• Great Plains: OBL (taxonomic split from wetland indicator species)
• Midwest: OBL (taxonomic split from wetland indicator species)
• Northcentral & Northeast: OBL (taxonomic split from wetland indicator species)

Heliophily ⓘ: 7