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Aquatic Invasive Species
Contact information
For information on Lakes in Wisconsin, contact:
DNR Lake
Division of Water
Bureau of Water Quality
Aquatic Invasive Species Contacts

Aquatic Invasive Species Locations


  • All - New 2020
  • All - New 2021
  • All - New 2022
  • All - New 2023
  • Asiatic Clam (Corbicula)
  • Banded Mystery Snail
  • Bloody Shrimp
  • Bohemian knotweed (Polygonum bohemicum)
  • Brazilian Waterweed
  • Brittle Waternymph
  • Butterfly dock
  • Chinese Mystery Snail
  • Curly-Leaf Pondweed
  • Daphnia lumholtzii
  • Eurasian Water-Milfoil
  • European Frogbit
  • Faucet Snail
  • Fishhook Waterflea
  • Flowering Rush
  • Giant hogweed (Heracleum mantegazzianum)
  • Giant knotweed (Polygonum sachalinense)
  • Golden Creeper
  • Graceful Cattail
  • Hairy Willow Herb
  • Hybrid Eurasian / Northern Water-Milfoil
  • Hydrilla
  • Japanese Hops
  • Japanese Mystery Snail
  • Japanese knotweed (Fallopia japonica)
  • Japanese stiltgrass (Microstegium vimineum)
  • Java Waterdrop / Vietnamese Water Celery
  • Lesser celandine (Ranunculus ficaria)
  • New Zealand Mudsnail
  • Ornamental water lilies (non-native Nymphaea sp.)
  • Parrot Feather
  • Pennywort
  • Phragmites (non-native)
  • Poison Hemlock
  • Policeman’s helmet (Impatiens glandulifera)
  • Purple Loosestrife
  • Quagga Mussel
  • Queen of the meadow (Filipendula ulmaria)
  • Rainbow Smelt
  • Red Swamp Crayfish
  • Reed Manna Grass
  • Round Goby
  • Rusty Crayfish
  • Sacred Lotus
  • Seaside Goldenrod
  • Southern Cattail
  • Spiny Naiad
  • Spiny Waterflea
  • Starry Stonewort
  • Water Hyacinth
  • Water Lettuce
  • Western Mosquitofish
  • Yellow Floating Heart
  • Yellow Iris
  • Zebra Mussel
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Wisconsin Department of Natural Resources  |  101 S. Webster Street . PO Box 7921  |  Madison, Wisconsin 53707-7921

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