| Specimen ID | 158139 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IA |
| County | Clayton |
| Locality | Mississippi River (R.M. 608) (Pool 11) [vicinity of Cassville, WI] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Grant-Little Maquoketa |
| HUC8 Number | 07060003 |
| HUC10 Name | Sny Magill Creek-Mississippi River |
| HUC10 Number | 0706000307 |
| HUC12 Name | Miners Creek-Mississippi River |
| HUC12 Number | 070600030705 |
| Map | |
| Collection Day | 24 |
| Collection Month | 7 |
| Collection Year | 2003 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Sampled during native mussel monitoring. |
| Record Type | Personal communication |
| Earliest Record | locale |
| Freshwater/Marine | Freshwater |
