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Invasive Jumping Worms University of Maryland Extension
As Summer Takes Hold, So Do the Jumping Worms - The New York Times
Forestry University of Toronto
Another study finds earthworms hurting maple trees - Duluth News Tribune
Amynthas agrestis (crazy worm)
Jumping worms, Amynthas spp.
Are Earthworms An Invasive Species? - - The Adirondack Almanack
Forestry University of Toronto
Sustainability University of Toronto
5 cool things you should know about worms - DNR News Releases
Invasive earthworms-Changing ecosystems in North America from the bottom up.
Amynthas Worms in Maine : Maine DACF