Earthworm Invasion

Alien Invasion: Non-Native Earthworms Threaten Ecosystems

Earthworms – Biological Recording

Invasive Earthworms Remain an Unknown Ecological Threat

Earthworm Invasion: Non-native Species Are Harming Ecosystems in North America

Invasion Unveiled: New Study Confirms Arrival of Alien Earthworms - Industry Tap

Multiple invasion routes have led to the pervasive introduction of earthworms in North America

U of A biologists investigate Alberta's earthworm invasion - The Gateway

Nelson: Earthworms causing havoc in Alberta forests

Earthworms Cary Institute of Ecosystem Studies

Earthworm Invasion! Lesson Plan Grade 2

Invasive earthworms damaging Great Lakes forests

Invasive Jumping Worms University of Maryland Extension

Worms Thriving in the Arctic - The New York Times