| Specimen ID | 270216 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | WI |
| County | Jefferson |
| Locality | Koshkonong Lake |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Rock |
| HUC8 Number | 07090002 |
| HUC10 Name | Lake Koshkonong-Rock River |
| HUC10 Number | 0709000210 |
| HUC12 Name | Lake Koshkonong-Rock River |
| HUC12 Number | 070900021003 |
| Map | |
| Collection Day | 1 |
| Collection Month | 10 |
| Collection Year | 2009 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft | hitch hiker |
| Status | established |
| Reference 1 |
| Ref. Number: | 19334 |
| Author: | Wisconsin Dept. of Natural Resources. |
| Date: | 2010 |
| Title: | Aquatic Invasives Data and Maps. |
| Publisher: | Wisconsin Dept of Natural Resources, Madison, Wisconsin. |
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| Record Type | Literature |
| Earliest Record | locale |
| Freshwater/Marine | Freshwater |
