Trapa natans
Trapa natans
(water chestnut)
Plants
Exotic
Collection Info
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Impacts

449 results for Trapa natans (water chestnut)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1888063 CTHartford[No locality description provided]2024 01080205 Outlet Connecticut River 
1888309 CTHartford[No locality description provided]2024 01080205 Outlet Connecticut River 
1888410 CTHartford[No locality description provided]2024 01080205 Outlet Connecticut River 
1888481 CTMiddlesex[No locality description provided]2024 01080205 Outlet Connecticut River 
1888214 CTMiddlesex[No locality description provided]2024 01080205 Outlet Connecticut River 
1888078 CTMiddlesex[No locality description provided]2024 01080205 Outlet Connecticut River 
1888143 CTMiddlesex[No locality description provided]2024 01080205 Outlet Connecticut River 
1887999 CTNew Haven[No locality description provided]2024 01100004 Quinnipiac 
1888161 CTNew Haven[No locality description provided]2024 01100004 Quinnipiac 
1888389 CTNew Haven[No locality description provided]2024 01100004 Quinnipiac 
1888465 CTNew London[No locality description provided]2024 01080205 Outlet Connecticut River 
1888502 CTNew London[No locality description provided]2024 01100003 Thames 
1736738 CTTollandMansfield Hollow Reservoir along the shore where old rte 89 follows the shoreline near the upper end of the lake2024 01100002 Shetucket Riverestablished
1751319 DENew Castle[No locality description provided]2024 02040205 Brandywine-Christina 
1888530 MABerkshire[No locality description provided]2024 01100005 Housatonic 
1888232 MABristol[No locality description provided]2024 01090004 Narragansett 
1888388 MAEssex[No locality description provided]2024 01070006 Merrimack River 
1888712 MAHampshire[No locality description provided]2024 01080201 Ashuelot River-Connecticut River 
1888471 MAHampshire[No locality description provided]2024 01080201 Ashuelot River-Connecticut River 
1888158 MAHampshire[No locality description provided]2024 01080201 Ashuelot River-Connecticut River 
1888208 MAHampshire[No locality description provided]2024 01080201 Ashuelot River-Connecticut River 
1888300 MAHampshire[No locality description provided]2024 01080201 Ashuelot River-Connecticut River 
1888275 MAHampshire[No locality description provided]2024 01080201 Ashuelot River-Connecticut River 
1888304 MAMiddlesex[No locality description provided]2024 01090001 Charles 
1888287 MAMiddlesex[No locality description provided]2024 01090001 Charles 
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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 [3/12/2026].

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