National Invasive Species Information Center
U.S. Department of Agriculture

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Displaying 41 to 60 of 190

  • Fact Sheet: Hydrilla [PDF, 496 KB]

    • Apr 2016

    • Alberta Invasive Species Council (Canada).

    • See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

  • Fact Sheet: Leafy Spurge [PDF, 263 KB]

    • Jan 2014

    • Alberta Invasive Plant Council (Canada).

    • See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

  • Fact Sheet: Medusahead [PDF, 759 KB]

    • Jan 2014

    • Alberta Invasive Plant Council (Canada).

    • See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

  • Fact Sheet: Nodding Thistle [PDF, 700 KB]

    • Jan 2014

    • Alberta Invasive Species Council (Canada).

    • See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

  • Fact Sheet: Phragmites [PDF, 1.2 MB]

    • Apr 2016

    • Alberta Invasive Species Council (Canada).

    • See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

  • Fact Sheet: Purple Loosestrife [PDF, 986 KB]

    • Jan 2014

    • Alberta Invasive Species Council (Canada).

    • See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

  • Fact Sheet: Round Goby [PDF, 1.37 MB]

    • Feb 2018

    • Alberta Invasive Species Council (Canada).

    • See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

  • Fact Sheet: Ruffe [PDF, 1.19 MB]

    • Feb 2018

    • Alberta Invasive Species Council (Canada).

    • See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

  • Fact Sheet: Russian Knapweed [PDF, 436 KB]

    • Jan 2014

    • Alberta Invasive Species Council (Canada).

    • See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

  • Fact Sheet: Russian Olive [PDF, 850 KB]

    • Aug 2015

    • Alberta Invasive Species Council (Canada).

    • See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

  • Fact Sheet: Saltcedar [PDF, 916 KB]

    • Jan 2014

    • Alberta Invasive Species Council (Canada).

    • See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

  • Fact Sheet: Silver Carp [PDF, 868 KB]

    • Feb 2018

    • Alberta Invasive Species Council (Canada).

    • See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

  • Fact Sheet: Spiny Waterflea [PDF, 189 KB]

    • Aug 2015

    • Alberta Invasive Species Council (Canada).

    • See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

  • Fact Sheet: Spotted Knapweed [PDF, 801 KB]

    • Jan 2014

    • Alberta Invasive Species Council (Canada).

    • See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

  • Fact Sheet: St. John's-wort [PDF, 851 KB]

    • Jan 2014

    • Alberta Invasive Species Council (Canada).

    • See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

  • Fact Sheet: Whirling Disease [PDF, 995 KB]

    • Apr 2019

    • Alberta Invasive Species Council (Canada).

    • See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

  • Fact Sheet: Yellow Starthistle [PDF, 255 KB]

    • Jan 2014

    • Alberta Invasive Species Council (Canada).

    • See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

  • Fact Sheet: Yellow Toadflax [PDF, 448 KB]

    • Jan 2014

    • Alberta Invasive Species Council (Canada).

    • See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

  • Fact Sheet: Zebra Mussel | Quagga Mussel [PDF, 500 KB]

    • Jan 2014

    • Alberta Invasive Species Council (Canada).

    • See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

  • Factsheet - Canada Thistle [PDF, 2.03 MB]

    • Mar 2019

    • Invasive Species Council of British Columbia (Canada).

    • See also: Publications for more resources