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   Cirsium arvense (herb)
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    Details of this species in Virginia
    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:
    Cassida rubignosa causes severe defoliation of C. arvense in Virginia and Maryland (Nuzzo, 1997).
    Location Notes:
    Last Modified: 15/02/2004 4:06:32 p.m.

ISSG Landcare Research NBII IUCN University of Auckland