| Specimen ID | 291228 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | IL |
| County | Cook |
| Locality | Finger Lake in Bluff Spring Fen Nature Preserve |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Fox |
| HUC8 Number | 07120006 |
| HUC10 Name | Poplar Creek-Fox River |
| HUC10 Number | 0712000612 |
| HUC12 Name | Poplar Creek |
| HUC12 Number | 071200061205 |
| Map | |
| Collection Day | 3 |
| Collection Month | 10 |
| Collection Year | 2012 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | unknown |
| Comments | Shells found along shoreline. |
| Record Type | NAS sighting report |
| Freshwater/Marine | Freshwater |
