| Specimen ID | 1414746 |
| Group | Plants |
| Genus | Trapa |
| Species | natans |
| Common Name | water chestnut |
| State | MA |
| County | Berkshire |
| Locality | Stockbridge Bowl AKA Lake Mahkeenac, in the outlet area, behind the island, in front of 40 Lake Drive, 38 Lake Drive, 36 Lake Drive Stockbridge |
| Mapping Accuracy | Accurate |
| HUC8 Name | Housatonic |
| HUC8 Number | 01100005 |
| HUC10 Name | Headwaters Housatonic River |
| HUC10 Number | 0110000501 |
| HUC12 Name | Konkapot Brook-Housatonic River |
| HUC12 Number | 011000050107 |
| Map | |
| Collection Day | 1 |
| Collection Month | 8 |
| Collection Year | 2016 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed | hitch hiker |
| Status | established |
| Record Type | NAS sighting report |
| Freshwater/Marine | Freshwater |
