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Invasive species fact sheets (PDFs)

Invasive species are a major threat to Ontario’s environment, economy, society and health. Learn more about some of the invasive species that are a concern for Ontario.

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  • Invasive carps
  • Bloody red shrimp
  • Butternut canker
  • Common buckthorn
  • Dog-strangling vine
  • Eurasian water milfoil
  • European frog-bit
  • Fanwort
  • Garlic mustard
  • Giant hogweed
  • Goldfish
  • Hydrilla
  • Kudzu
  • Northern snakehead
  • Phragmites
  • Purple loosestrife
  • Rainbow smelt
  • Round goby
  • Rudd
  • Rusty crayfish
  • Sea lamprey
  • Spiny and fishhook water flea
  • Tench
  • Tubenose goby
  • Water chestnut
  • Water lettuce
  • Water soldier
  • Wild chervil
  • Wild parsnip
  • Yellow iris
Updated: August 02, 2022
Published: February 10, 2016

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