Grown habit: Forb/herb
Duration: Perennial
Synonyms:
= Persicaria amphibia (L.) Gray p.p.
= Persicaria amphibia (L.) Gray var. emersa (Michx.) J.C. Hickman
= Persicaria coccinea (Muhl. ex Willd.) Greene
= Persicaria muehlenbergii (S. Watson) Small
= Polygonum amphibium L. var. coccineum (Muhl. ex Willd.) Farw.
= Polygonum coccineum Muhl. ex Willd.
= Polygonum coccineum Muhl. ex Willd. var. pratincola (Greene) Stanford
= Polygonum coccineum Muhl. ex Willd. var. terrestre Willd.
= Polygonum muehlenbergii S. Watson
= Polygonum muehlenbergii S. Watson var. terrestre (Willd.) Trel.
Polygonum amphibium var. emersum
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 666.
Polygonum amphibium var. emersum
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. - Not copyrighted image
Polygonum amphibium var. emersum
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 666.
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Distribution in USA and Canada (*)
USA (AR, AZ, CA, CO, CT, DC, DE, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY), CAN (AB, BC, MB, NB, NS, NT, ON, PE, QC, SK)
Map for Polygonum amphibium L. var. emersum Michx.
(*) 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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