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   Cirsium arvense (herb)
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    Details of this species in Michigan
    Status: Alien
    Invasiveness: Invasive
    Occurrence: Established
    Source: USDA, NRCS, 2002
    Arrival Date:
    Introduction: Unintentional (accidentally)
    Species Notes for this Location:
    Probably introduced to North America in the 1600s as a contaminant of crop seed and/or ship's ballast.
    Management Notes for this Location:
    Location Notes:
    Last Modified: 15/02/2004 3:52:54 p.m.
ISSG Landcare Research NBII IUCN University of Auckland The Global Invasive Species Database is managed by the Invasive Species Specialist Group (ISSG) of the IUCN Species Survival Commission. It was developed as part of the global initiative on invasive species led by the Global Invasive Species Programme (GISP) and is supported through partnerships with the National Biological Information Infrastructure, Manaaki Whenua-Landcare Research and the University of Auckland. Conditions of use.