| Specimen ID | 1322450 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | MD |
| County | Cecil |
| Locality | Chesapeake Bay, on a navigational hazard buoy anchor |
| Mapping Accuracy | Accurate |
| HUC8 Name | Chester-Sassafras |
| HUC8 Number | 02060002 |
| HUC10 Name | Sassafras River |
| HUC10 Number | 0206000203 |
| HUC12 Name | Lower Sassafras River |
| HUC12 Number | 020600020302 |
| Map | |
| Collection Day | 8 |
| Collection Month | 12 |
| Collection Year | 2015 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft | dispersed |
| Status | established |
| Record Type | NAS sighting report |
| Freshwater/Marine | Freshwater |
| Number Collected | 3 |
