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    Interested in what's new with Hawkweed biocontrol research?  Download the CABI Annual Report on Hieracium for 2010 here.

    Montana Hawkweed Identification Bulletin now available.  To order more copies, contact Montana State University Extension Publications by clicking here.


  • resources

    Check out our resources page with many guides, fact sheets, and regional maps to help you identify the hawkweed complex. 



    Established in 1948 as the Europe Station of the Commonwealth Institute of Biocontrol, CABI Europe-Switzerland has traditionally worked on the classical biological control of invasive insect pests and weeds of Eurasian origin, on behalf of the temperate areas of the world, particularly North America, Australia, and New Zealand.


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    The following members contribute and/or sponsor the Hawkweed Consortium.  Members represent agencies, landowners, and private companies from states, tribes, and Canadian Provinces.

    get involved!

    Contact Marijka Haverhals if you are interested in contributing to the Hawkweed Consortium and supporting biocontrol agent releases in North America.