Trapa natans
Trapa natans
(water chestnut)
Plants
Exotic
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8 results for Trapa natans (water chestnut)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1673343 MAMiddlesex[No locality description provided]2019 01070004 Nashua River 
240732 MAMiddlesexPepperell Pond, impoundment along Nashua River2000 01070004 Nashua Riverestablished
862512 MAMiddlesexPepperell Pond, impoundment along Nashua River2013 01070004 Nashua Riverestablished
1729516 MAWorcester[No locality description provided]2023 01070004 Nashua River 
1410161 MAWorcesterBare Hill Pond2002 01070004 Nashua Riverestablished
235733 MAWorcesterBare Hill Pond, near the town of Harvard1999 01070004 Nashua Riverestablished
268151 MAWorcesterBare Hill Pond, near the town of Harvard2006 01070004 Nashua Riverestablished
877641 MAWorcesterNashua River stretch through Oxbow National Wildlife Refuge near Devens2015 01070004 Nashua Riverestablished

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

Disclaimer:

The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/16/2025].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.