| Specimen ID | 785844 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | MD |
| County | Cecil |
| Locality | Susquehanna River, at Perryville |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Susquehanna |
| HUC8 Number | 02050306 |
| HUC10 Name | Susquehanna River |
| HUC10 Number | 0205030617 |
| HUC12 Name | Rock Run-Susquehanna River |
| HUC12 Number | 020503061713 |
| Map | |
| Collection Day | 17 |
| Collection Month | 11 |
| Collection Year | 2014 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft | dispersed |
| Status | established |
| Reference 1 |
| Ref. Number: | 27895 |
| Author: | Ashton, M.J., and R.J. Klauda |
| Date: | 2015 |
| Title: | The spread of zebra mussel (Dreissena polymorpha) from the lower Susquehanna River into the upper Chesapeake Bay, Maryland, USA |
| Journal: | BioInvasions Records |
| Volume: | 4 |
| Issue: | 3 |
| Pages: | 195-199 |
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| Comments | Found on the anchor of a navigational hazard buoy. |
| Record Type | Literature |
| Verifier | Maryland Dept. of Natural Resources |
| Freshwater/Marine | Freshwater |
| Number Collected | 6 |
