| Specimen ID | 1332518 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | PA |
| County | Tioga |
| Locality | Cowanesque River near Lawrence, PA. Just below the I-99 bridge construction about a mile below the dam. |
| Mapping Accuracy | Accurate |
| HUC8 Name | Tioga |
| HUC8 Number | 02050104 |
| HUC10 Name | Cowanesque River |
| HUC10 Number | 0205010408 |
| HUC12 Name | Lower Cowanesque River |
| HUC12 Number | 020501040809 |
| Map | |
| Collection Day | 11 |
| Collection Month | 6 |
| Collection Year | 2008 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 27462 |
| Author: | iMapInvasives. |
| Date: | 2018 |
| Title: | Pennsylvania iMapInvasives |
| Publisher: | Pennsylvania Natural Heritage Program |
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| Comments | PA iMapInvasives Obs. ID: PA-33U. |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
| Number Collected | One 2-cm zebra mussel |
