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Germplasm Resources Information Network (GRIN)

  GRIN Taxonomy for Plants
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Taxon: Persicaria pensylvanica (L.) M. Gómez

Genus: Persicaria
Family: Polygonaceae subfamily: Polygonoideae tribe: Persicarieae
Nomen number: 409773
Place of publication: Anales Inst. Segunda Ensen. 2:278. 1896
Name verified on: 29-Aug-2005 by ARS Systematic Botanists. Last updated: 15-Nov-2007
No species priority site assigned.
Accessions: 1 in National Plant Germplasm System.
  • all available ) NPGS accessions. or .
  • all available ) NPGS accessions by country.
  • Check PlantSearch database of Botanic Gardens Conservation International for possible non-NPGS germplasm.

Common names:

  • Pennsylvania smartweed   (Source: F NAmer ) – English
  • pinkweed   (Source: BSBI ) – English
  • renouée de Pennsylvanie   (Source: F NAmer ) – French
  • Pennsylvanischer-Knöterich   (Source: Galasso, pers. comm.) – German
  • poligono della Pennsylvania   (Source: Galasso, pers. comm.) – Italian
  • cataia   (Source: D. Groth, p.c. 2005 [as Polygonum pensylvanicum]) – Portuguese (Brazil)
  • erva-de-bicho   (Source: D. Groth, p.c. 2005 [as Polygonum pensylvanicum]) – Portuguese (Brazil)
  • persicaria-do-Brasil   (Source: D. Groth, p.c. 2005 [as Polygonum pensylvanicum]) – Portuguese (Brazil)
  • kvarnpilört   (Source: Vara kulturvaxt namn ) – Swedish

Economic importance:

  • Weed: potential seed contaminant   (fide Weed CIBA, as Polygonum pensylvanicum)

Distributional range:

      Native: (links to other web resources are provided for some distributions)
  • NORTHERN AMERICA (Check conservation status in U.S. & Canada in NatureServe Explorer database)
    Subarctic America: United States - Alaska
    Eastern Canada: Canada - New Brunswick, Newfoundland, Nova Scotia, Ontario, Quebec
    Northeastern U.S.A.: United States - Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia
    North-Central U.S.A.: United States - Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, Oklahoma, South Dakota, Wisconsin
    Northwestern U.S.A.: United States - Colorado, Montana, Wyoming
    Southeastern U.S.A.: United States - Alabama, Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia
    South-Central U.S.A.: United States - New Mexico, Texas
    Southwestern U.S.A.: United States - Arizona, California, Nevada, Utah

  • naturalized elsewhere




Check other web resources for Persicaria pensylvanica (L.) M. Gómez:


  • GRIN Images of germplasm accessions.
  • Seed: U.S. National Seed Herbarium image
  • Seeds or fruits: Seed ID Workshop image, from Department of Horticulture and Crop Science, Ohio State University
  • Check for additional images
  • Google Images Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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Cite as:
USDA, ARS, National Genetic Resources Program.
Germplasm Resources Information Network - (GRIN) [Online Database].
National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: (25 November 2015)

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