Grown habit: Forb/herb
Duration: Perennial
Synonyms:
= Persicaria amphibia (L.) Gray var. stipulacea (N. Coleman) H. Hara
= Persicaria mesochora Greene
= Persicaria nebraskensis Greene
= Polygonum amphibium L. ssp. laevimarginatum Hultén
= Polygonum amphibium L. var. hartwrightii (A. Gray) Bissell
= Polygonum coccineum Muhl. ex Willd. var. rigidulum (Sheldon) Stanford
= Polygonum fluitans Eaton
= Polygonum hartwrightii A. Gray
= Polygonum inundatum Raf.
= Polygonum natans Eaton
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Distribution in USA and Canada (*)
USA (AK, AZ, CA, CO, CT, DC, IA, ID, IL, IN, KS, KY, MA, MD, ME, MI, MN, MO, MT, ND, NE, NH, NJ, NM, NV, NY, OH, OR, PA, RI, SD, UT, VA, VT, WA, WI, WY), CAN (AB, BC, LB, MB, NB, NF, NS, NT, ON, PE, QC, SK, YT), FRA (SPM)
Map for Polygonum amphibium L. var. stipulaceum Coleman
(*) USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 28 August 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA
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