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Jumping Worms: An Update, Again - by Farmer Fred Hoffman
SCORES & OUTDOORS: What are all those crazy worms jumping around? - The Town Line Newspaper
Composting with Worms OSU Extension Service
Maine Gardener: Invasion of the jumping worms
Cornell Cooperative Extension Invasive Asian Jumping Earthworms
Are Earthworms An Invasive Species? - - The Adirondack Almanack
European Nightcrawlers: Benefits of Earthworms in the Garden — The Seed Sage
Invasive Jumping Worms, What Gardeners Need To Know