| Specimen ID | 238855 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | NY |
| County | Cortland |
| Locality | West Branch Tioughnioga River in Homer at Water St. pedestrian bridge |
| Mapping Accuracy | Accurate |
| HUC8 Name | Chenango |
| HUC8 Number | 02050102 |
| HUC10 Name | West Branch Tioughnioga River |
| HUC10 Number | 0205010202 |
| HUC12 Name | Dry Creek-West Branch Tioughnioga River |
| HUC12 Number | 020501020205 |
| Map | |
| Collection Day | 16 |
| Collection Month | 7 |
| Collection Year | 2007 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Record Type | Personal communication |
| Verifier | Dr. Ed Masteller, (retired) Penn State Univ. |
| Freshwater/Marine | Freshwater |
| Number Collected | 2 |
