Find A Lake > Winnebago County > Lake Poygan

Lake Poygan
Winnebago, Waushara County, 14024 Acres

Invasive Species

SpeciesStatusYear FoundDetails
Chinese Mystery SnailVerified and Vouchered2010Details
Curly-Leaf PondweedVerified2012Details
Eurasian Water-MilfoilVerified and Vouchered1994Details
Faucet SnailVerified2011Details
Flowering RushVerified2012Details
Purple LoosestrifeVerified2018Details
Rusty CrayfishVerified2014Details
Zebra MusselVerified2000Details

* About Invasive Species: Disclaimer: Aquatic invasive species (AIS) records are assigned statuses of "verified", "observed", or "no longer observed" based on AIS Status Guidance. In general, "verified" populations are established and have been verified by a taxonomic expert. Populations with the "observed" status have not been verified by a taxonomic expert or do not have established populations. Populations with the "no longer observed" status include populations where a reproducing population did not establish. Our inventories are not necessarily exhaustive so it is important to report occurrences. To report new discoveries visit: See the Aquatic Invasive Species Guidance for information on how statuses are assigned. Personally identifiable information on data collection forms may be provided to requesters to the extent required by Wisconsin's Open Records Law [ss. 19.31-19.39, Wis. Stats.].