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

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YouTube - Dalmatian Toadflax

Google. YouTube; Montana Weed Control Association.
YouTube - Diffuse Knapweed

Google. YouTube; Montana Weed Control Association.
YouTube - Garlic Mustard
Google. YouTube; Delaware Department of Natural Resources and Environmental Control.
YouTube - Hemlock Woolly Adelgid

Google. YouTube; New York Department of Environmental Conservation.
YouTube - Invasive clams cause concern in Owasco Lake
Google. YouTube; New York Sea Grant.
YouTube - Montana's Noxious Weeds: Leafy Spurge

Google. YouTube; Montana Department of Agriculture.
YouTube - Montana's Noxious Weeds: St Johnswort

Google. YouTube; Montana Department of Agriculture.
YouTube - Montana's Noxious Weeds: Yellow Star Thistle

Google. YouTube; Montana Department of Agriculture.
YouTube - Purple Loosestrife: Beauty or Beast?
Google. YouTube; New Jersey Department of Agriculture.
YouTube - Removing Giant Reed in Sabino Canyon

Google. YouTube; Tuscon Audubon (Southern Arizona).
YouTube - Soybean Rust in Arkansas
Google. YouTube; University of Arkansas. Cooperative Extension Service.
YouTube - Viral Hemorrhagic Septicemia in Conesus Lake
Google. YouTube; New York Department of Environmental Conservation.
YouTube - Wanted: Water Chestnut
Google. YouTube; Stony Brook-Millstone Watershed Association Education (Central New Jersey).