Canada is being overrun by invasive 'alien' earthworms

Earthworms of British Columiba

Multiple invasion routes have led to the pervasive introduction of

Climate change and invasive species - Wikipedia

Invasive earthworms can change understory plant community traits

Damage from invasive species 'trebling every decade

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Mattabeseck Audubon Society - Invasives

Is it true that earthworms are not found in forest ecosystems? - Quora

Diversity of introduced terrestrial flatworms in the Iberian

Obama nungara: how a flatworm from Argentina jumped the Atlantic

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Invasive Earthworm Species Colonize Large Swaths of North America

Alien Invasion: Non-Native Earthworms Threaten Ecosystems

Daily Hive Vancouver: Latest Stories in Vancity

Experts warn North America is in the midst of an 'ALIEN INVASION