| Specimen ID | 116162 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IL |
| County | Cook |
| Locality | Lake Michigan, Chicago, offshore of Loyola University |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lake Michigan |
| HUC8 Number | 04190000 |
| HUC10 Name | Lake Michigan |
| HUC10 Number | 0419000002 |
| HUC12 Name | Lake Michigan |
| HUC12 Number | 041900000200 |
| Map | |
| Collection Day | 27 |
| Collection Month | 9 |
| Collection Year | 1990 |
| Year Accuracy | Actual |
| Potential Pathway | shipping |
| Status | established |
| Reference 1 |
| Ref. Number: | 18902 |
| Author: | Kraft, C |
| Date: | 1990 |
| Title: | Zebra mussel update |
| Journal: | (Newsletters) |
| Publisher: | Wisconsin Sea Grant Institute |
| Volume: | 1-5 |
| Issue: | 1-5 |
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| Comments | Attached to rock 20 feet down. First mussel attached to natural substrate in the lake. |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
