| Specimen ID | 235636 |
| Group | Plants |
| Genus | Trapa |
| Species | natans |
| Common Name | water chestnut |
| State | MA |
| County | Berkshire |
| Locality | Onota Lake, north of Dan Casey Causeway, Pittsfield |
| Mapping Accuracy | Approximate |
| HUC8 Name | Housatonic |
| HUC8 Number | 01100005 |
| Map | |
| Collection Day | 7 |
| Collection Month | 10 |
| Collection Year | 2003 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Record Type | Personal communication |
| Earliest Record | County |
| Museum Cat Number | NASC |
| Verifier | Hellquist, Barre |
| Freshwater/Marine | Freshwater |
