Earthworm Invasion
Worm Invasion
Center for Invasive Species and Ecosystem Health: Exotic Earthworm Invasion
European earthworms cause big problems in North American forests
Real Can of Worms - SNJ Today
Invasion of the Earthworms — In Defense of Plants
Earthworms Are Bad News for North American Forests - Laidback Gardener
Great Lakes Worm Watch – Ecotone News and Views on Ecological Science
Earthworm Invasion! Lesson Plan Grade 2
The global earthworm invasion Department of Soil, Water, and Climate
Invasion of the Earthworms — In Defense of Plants
ANNELIDA…The EARTHWORM! Phylum - Class - Family - Genus - Species - Annelida Oligochaeta Lumbricidae Lumbricus terrestris. - ppt download
Alberta Worm Invasion Project – Earthworms are not native to most of Canada and are invading our forests.
The earthworm effect: Unraveling soil weathering dynamics
Underground Invaders: Impacts and Implications of Non-native Earthworms in North America - New York Invasive Species Research Institute