| Specimen ID | 879730 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | MD |
| County | Cecil |
| Locality | Chesapeake Bay along shore at end of Horseshoe Point Ln (Elk Neck State Park) |
| Mapping Accuracy | Accurate |
| HUC8 Name | Chester-Sassafras |
| HUC8 Number | 02060002 |
| HUC10 Name | North East River-Upper Chesapeake Bay |
| HUC10 Number | 0206000201 |
| HUC12 Name | Elk Neck-Upper Chesapeake Bay |
| HUC12 Number | 020600020105 |
| Map | |
| Collection Day | 15 |
| Collection Month | 3 |
| Collection Year | 2015 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | "attached to alewife floater in substrate near dock" |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
