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Germplasm Resources Information Network (GRIN)

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Taxon: Eutrochium maculatum (L.) E. E. Lamont

Genus: Eutrochium
Family: Asteraceae (alt. Compositae) subfamily: Asteroideae tribe: Eupatorieae
Nomen number: 459147
Place of publication: Sida 21:902. 2004
Name verified on: 28-Apr-2009 by ARS Systematic Botanists.
No species priority site assigned.
Accessions: 4 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.

See also subordinate taxa:

Common names:

  • spotted joe-pyeweed   (Source: F NAmer ) – English
  • eupatoire maculée   (Source: F NAmer ) – French
  • fläckflockel   (Source: Vara kulturvaxt namn ) – Swedish   [Eutrochium maculatum var. maculatum]

Economic importance:

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)
    Eastern Canada: Canada - New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward Island, Quebec; St. Pierre and Miquelon
    Western Canada: Canada - Alberta [n.], British Columbia [s.w.], Manitoba [s.], Saskatchewan
    Northeastern U.S.A.: United States - Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Vermont, West Virginia
    North-Central U.S.A.: United States - Illinois, Iowa, Kansas [n.e.], Minnesota, Missouri [n.], Nebraska, North Dakota, South Dakota, Wisconsin
    Northwestern U.S.A.: United States - Colorado, Idaho [s.e.], Washington [n.w.], Wyoming
    Southeastern U.S.A.: United States - Kentucky [n. (extirpated?)], North Carolina [w.], Tennessee, Virginia [w.]
    South-Central U.S.A.: United States - New Mexico
    Southwestern U.S.A.: United States - Arizona [n.e.], Utah


  • FNA Editorial Committee. 1993–. Flora of North America.
  • Lamont, E. E. 2004. New combinations in Eutrochium (Asteraceae: Eupatorieae), an earlier name than Eupatoriadelphus. Sida 21:901–902.


Check other web resources for Eutrochium maculatum (L.) E. E. Lamont:


  • 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

| USDA | ARS | GRIN | NPGS | New Search |

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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