| Specimen ID | 235733 |
| Group | Plants |
| Genus | Trapa |
| Species | natans |
| Common Name | water chestnut |
| State | MA |
| County | Worcester |
| Locality | Bare Hill Pond, near the town of Harvard |
| Mapping Accuracy | Accurate |
| HUC8 Name | Nashua River |
| HUC8 Number | 01070004 |
| HUC10 Name | Headwaters Nashua River |
| HUC10 Number | 0107000402 |
| HUC12 Name | Mulpus Brook-Nashua River |
| HUC12 Number | 010700040205 |
| Map | |
| Collection Year | 1999 |
| Year Accuracy | Estimated |
| Potential Pathway | hitch hiker |
| Status | established |
| Reference 1 |
| Ref. Number: | 15868 |
| Author: | Shnitzler, N. |
| Date: | 2006 |
| Title: | Invasive species threatens pond. |
| Publisher: | The Harvard Press, Boston Massachusetts. |
| Volume: | 2006 |
| Issue: | June 16 |
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| Comments | Present in the pond at least ten years, with control efforts (hand-pulling) keeping the populations mainly in marshy areas like Great South Bay and Clapps Brook. |
| Record Type | Literature |
| Earliest Record | locale |
| Freshwater/Marine | Freshwater |
