Trapa natans
Trapa natans
(water chestnut)
Plants
Exotic
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Impacts

7 results for Trapa natans (water chestnut)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1890263 CTHartford[No locality description provided]2025 01080205 Outlet Connecticut River 
1890235 CTHartford[No locality description provided]2025 01080207 Farmington River 
1891260 CTLitchfield[No locality description provided]2025 01100005 Housatonic 
1889606 CTMiddlesex[No locality description provided]2025 01080205 Outlet Connecticut River 
1889718 CTMiddlesex[No locality description provided]2025 01080205 Outlet Connecticut River 
1890276 CTTolland[No locality description provided]2025 01100002 Shetucket River 
1891327 CTTolland[No locality description provided]2025 01100002 Shetucket River 

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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [5/19/2026].

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