Alien Earthworms Are Already Here, And They're Threatening Ecosystems

Invasive earthworms of North America - Wikipedia

Diversity, Free Full-Text

Waters of the Galapagos Islands are being invaded by alien species

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Earthworm Invaders Ecosystems on the Edge

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Alien invasion: Non-native earthworms threaten ecosystems

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

Worms IFLScience

Earthworms: Invasive species have spread to almost all parts of North America

Earthworm invasion