Invasive Species List 2025
Broad Resources: Good for beginning!
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More Specific Resources: Great for narrowing down to your chosen invasive species!
United States Department of Agriculture National Invasive Species Information Center
Connecticut Department of Energy and Environmental Protection (DEEP) Invasive Species
Awesome starting point!
Connecticut DEEP CT Aquatic Invasive Freshwater Mollusks and Crustaceans
An AWESOME resource for invasive plants!
Jumping Worm
Zebra Mussel
Be sure to check out the entire site—including the webinar (video) about the Zebra Mussel population!
European Starling
Kudzu
Asian Long-horned beetle (is in NY and MA already)
Water Hyacinth
Purple Loosestrife
Westborough Land Trust (This is a pamphlet)
Emerald Ash Borer
Garlic Mustard
Hemlock Woolly Adelgid
Burning Bush
Spongy Moth (formerly known as Gypsy Moth)
Water Chestnut
Rhode Island Department of Environmental Management (This is a pamphlet)
European Green Crab
Spotted Lanternfly
Rusty crayfish
Chinese Mitten Crab
Mile a Minute Weed
Common Reed
Connecticut Wildlife (Article is on page 4; this is an article in a magazine)
The Connecticut Agricultural Experiment Station (This is a pamphlet)
Yellow floating-heart
D.C.R. Office of Water Resources, Lakes and Ponds Program (State of Massachusetts; This is a pamphlet)
UConn Connecticut Invasive Plant List (Scroll until you see Yellow floating heart, as there are multiple links for you to choose from!)
Curly Leaf Pond Weed
Norway Maple
Tree of Heaven
Japanese Knotweed
Asian Shore Crab
Asian Stalked Tunicate (sea squirt)
Rugosa Rose
Mute Swan
Common Periwinkle
Oriental Bittersweet
Autumn Olive
Multiflora Rose
Japanese Barberry