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Learn more about the numerous invasive plants and animals that have already invaded some of our lakes in Central Wisconsin, and others that pose a threat to our state in the future.

These 1-2 page fact sheets are designed to be easy to read and reproduce. All of these fact sheets may be reproduced and distributed free of charge. 

Want access to all of our fact sheets?

Click the DOWNLOAD HERE button below to download a pdf of all of our AIS fact sheets.

Asian Clam (Corbicula fluminea)

Banded Mystery Snail (Viviparus georgianus)

Big-eared Radix (Radix auricularia)

Brittle Naiad (Najas minor)

Carolina Fanwort (Cabomba caroliniana

Chinese Mystery Snail (Cipangopaludina chinensis)

Curly-leaf Pondweed (Potamogeton crispus)

Eurasian watermilfoil (Myriophyllum spicatum)

EWM Manual Removal

Faucet Snail (Bithynia tentaculata

Flowering Rush (Butomus umbellatus)

Flowering Rush Comparison Photos

Hydrilla (Hydrilla verticillata)

Japanese Hops (Humulus japonicus)

Japanese Knotweed (Fallopia japonica)

New Zealand Mudsnail (Potamopyrgus antipodarum)

Phragmites a.k.a Common Reed (Phragmites australis)

Purple Loosestrife (Lythrum salicaria)

Rusty Crayfish (Orconectes rusticus)

Spiny Water Flea (Bythotrephes longimanus)

Starry Stonewort (Nitellopsis obtusa)

Water Chestnut (Trapa natans)

Water Hyacinth (Eichhornia crassipes)

Water Lettuce (Pistia stratiotes)

Yellow Floating Heart (Nymphoides peltata)

Yellow Iris (Iris pseudacorus)

Zebra Mussel (Dreissena polymorpha)

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