Wisconsin Department of Natural Resources

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Aquatic Invasive Species

Invasive Species Contacts
Greg Matzke

Fisheries Biologist-Sen
Wisconsin DNR

Florence, Forest

715-528-4400

Gregory.Matzke@wisconsin.gov Email icon

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Wisconsin Department of Natural Resources | 101 S. Webster Street . PO Box 7921 | Madison, Wisconsin 53707-7921

Call 1-888-936-7463 (TTY Access via relay - 711) from 7 a.m. - 10 p.m.

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