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

Flowering Rush

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Total Locations: 73
Total Lakes and Rivers: 50 *

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.].

By County | By Waterbody | By Species | By Year | Open In Excel
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WaterbodyStatusWaterbody ID Code (WBIC)Year First FoundDetails
Calumet County (1)
Lake Winnebago - near Fire Lane 13 and WI 114Verified1311002010 Details
Columbia County (2)
Lake Wisconsin - Merrimac Ferry South TerminalVerified 2014 Details
Pauqette Park Pond - 108500 WBICVerified1085002015 Details
Dane County (1)
Wetland near Leutens CreekVerified 2014 Details
Door County (1)
Little Sturgeon BayVerified1004002017 Details
Grant County (2)
Bertom Lake Complex: End of emergent marsh AA. Same speciesVerified and Vouchered7215002016 Details
Mississippi River End of Lynn Hollow LaneVerified and Vouchered 2018 Details
Jefferson County (13)
300 Meters South of Hartwig RoadNo Longer Observed 1969 Details
Flowering Rush--Rock River near W Puerner St BridgeVerified7888002019 Details
Johnson Creek - 200 Meters Upstream of Rock River ConfluenceVerified and Vouchered 1969 Details
Johnson Creek at Gosdeck LaneVerified and Vouchered 1969 Details
Koshkonong Wildlife AreaVerified and Vouchered8087002016 Details
Lake Koshkonong Wetland Verified8087002016 Details
Lake Koshkonong-Lautz BayVerified and Vouchered8087002016 Details
Rock River - County Road BVerified and Vouchered7888001969 Details
Rock River - Johnson Creek Rock River Park AccessVerified7888002016 Details
Rock River at confluence with Unnamed (3000149)Verified 2020 Details
Rock River at Fish LadderVerified7888002015 Details
Unnamed 5035607 Wetland at County Road B
Wetland on South side bay of Haights Bay Verified and Vouchered8087002016 Details
Marinette County (1)
High Falls ReservoirVerified and Vouchered5406002012 Details
Milwaukee County (2)
Root River Parkway 2Verified and Vouchered76002013 Details
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* Total Lakes and Rivers = total unique Waterbody ID Codes (WBICs). If a waterbody, such as a small pond not in the DNR 24 K Hydrolayer, doesn't have a WBIC, it isn't currently counted in the total.

** Purple Loosestrife - DNR has only a partial list of locations. For more extensive data, visit the Great Lakes Indian and Fish Wildlife Commission (GLIFWC) website [exit DNR].

** Fish species - This web page only has a partial list of locations. For more extensive data, visit the Wisconsin Department of Natural Resources Map of Distribution of WI Fish Species [exit DNR].