| Specimen ID | 253888 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | WI |
| County | Waukesha |
| Locality | Bark River |
| Mapping Accuracy | Approximate |
| HUC8 Name | Middle Rock |
| HUC8 Number | 07090002 |
| Map | |
| Collection Year | 1999 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 17929 |
| Author: | Wisconsin Dept. of Natural Resources. |
| Date: | 2008 |
| Title: | Aquatic Invasive Species Lists and Maps. |
| Publisher: | Wisconsin Dept. of Natural Resources |
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| Comments | Nagawicka Lake to Applebecker Millpond, Applebacker Millpond to Upper Nemahbin Lake, Upper Nemahbin Lake to Lower Nemahbin Lake, Lower Nemahbin Lake to Crooked Lake and Crooked Lake to STH 67 |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
