Grown habit: Forb/herb
Duration: Perennial
Synonyms:
= Polygonum hydropiperoides Michx.
= Persicaria hydropiperoides (Michx.) Small
= Persicaria hydropiperoides (Michx.) Small var. breviciliata (Fernald) C.F. Reed
= Persicaria hydropiperoides (Michx.) Small var. euronotora (Fernald) C.F. Reed
= Persicaria hydropiperoides (Michx.) Small var. opelousana (Riddell ex Small) J.S. Wilson
= Persicaria opelousana (Riddell ex Small) Small
= Persicaria paludicola Small
= Persicaria persicarioides (Kunth) Small
= Polygonum hydropiperoides Michx. var. adenocalyx (Stanford) Gleason
= Polygonum hydropiperoides Michx. var. asperifolium Stanford
= Polygonum hydropiperoides Michx. var. breviciliatum Fernald
= Polygonum hydropiperoides Michx. var. bushianum Stanford
= Polygonum hydropiperoides Michx. var. digitatum Fernald
= Polygonum hydropiperoides Michx. var. euronotorum Fernald
= Polygonum hydropiperoides Michx. var. psilostachyum H. St. John
= Polygonum hydropiperoides Michx. var. strigosum (Small) Stanford
= Polygonum opelousanum Riddell ex Small
= Polygonum opelousanum Riddell ex Small var. adenocalyx Stanford
= Polygonum persicarioides Kunth
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Distribution in USA and Canada (*)
USA (AK, AL, AR, AZ, CA, CT, DC, DE, FL, GA, 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, VA, VT, WA, WI, WV), USA+ (PR), CAN (BC, NB, NS, ON, QC)
Map for Polygonum hydropiperoides Michx. var. opelousanum (Riddell ex Small) Riddell ex W. Stone
(*) 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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