| Specimen ID | 253218 |
| Group | Plants |
| Genus | Trapa |
| Species | natans |
| Common Name | water chestnut |
| State | NY |
| County | Erie |
| Locality | Tonawanda Creek in Amherst [N tip of island, Ellicott Creek County Park] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Niagara River |
| HUC8 Number | 04270101 |
| HUC10 Name | Lower Tonawanda Creek |
| HUC10 Number | 0427010105 |
| HUC12 Name | Bear Ridge-Tonawanda Creek |
| HUC12 Number | 042701010505 |
| Map | |
| Collection Day | 28 |
| Collection Month | 6 |
| Collection Year | 2008 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Comments | See voucher photos. Eradication attempted with mechanical harvesters in August 2010. |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
| Number Collected | 3 |
| Number Preserved | 3 |
| Photo | |