| Specimen ID | 1693847 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IL |
| County | Alexander |
| Locality | Mississippi River, 2.1 mi SSE Cairo, upstream confluence with Ohio River |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Mississippi-Cape Girardeau |
| HUC8 Number | 07140105 |
| HUC10 Name | Hobbs Creek-Mississippi River |
| HUC10 Number | 0714010508 |
| HUC12 Name | Horseshoe Lake-Mississippi River |
| HUC12 Number | 071401050804 |
| Map | |
| Collection Day | 20 |
| Collection Month | 9 |
| Collection Year | 2013 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | unknown |
| Reference 1 |
| Ref. Number: | 27378 |
| Author: | Cranberg, C., and R. Keller |
| Date: | 2020 |
| Title: | Illinois Database of Aquatic Non-native Species |
| Publisher: | School of Environmental Sustainability, Loyola University Chicago |
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| Reference 2 |
| Ref. Number: | 24058 |
| Author: | Illinois Natural History Survey. |
| Date: | 2002 |
| Title: | Mollusk records from collections of the Illinois Natural History Museum (unpublished data). |
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| Record Type | Specimen |
| Museum Cat Number | 87794 |
| Verifier | Illinois Natural History Survey |
| Freshwater/Marine | Freshwater |
