| Specimen ID | 1711736 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | rostriformis |
| Subspecies | bugensis |
| Common Name | quagga mussel |
| State | IL |
| County | Cook |
| Locality | Chicago River, North Branch Canal |
| Mapping Accuracy | Accurate |
| HUC8 Name | Chicago |
| HUC8 Number | 07120003 |
| HUC10 Name | North Branch Chicago River-Chicago Sanitary and Ship Canal |
| HUC10 Number | 0712000301 |
| HUC12 Name | Lower North Branch Chicago River |
| HUC12 Number | 071200030106 |
| Map
NAS ARM
| |
| Collection Day | 5 |
| Collection Month | 4 |
| Collection Year | 2023 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed current |
| Comments | Shell midden discovered on the floating garden beds of the Wild Mile. |
| Record Type | NAS sighting report |
| Verifier | Phil Nicodemus |
| Freshwater/Marine | Freshwater |
| Number Collected | 10 |
| Photo | |
