Trapa natans
Trapa natans
(water chestnut)
Plants
Exotic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

174 results for Trapa natans (water chestnut)
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Page:1234567
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1890235 CTHartford[No locality description provided]2025 01080207 Farmington River 
1890263 CTHartford[No locality description provided]2025 01080205 Outlet Connecticut 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 
1891386 MABerkshire[No locality description provided]2025 02020003 Hudson-Hoosic 
1891477 MABerkshire[No locality description provided]2025 01080207 Farmington River 
1890869 MABerkshire[No locality description provided]2025 01100005 Housatonic 
1891379 MABristol[No locality description provided]2025 01090004 Narragansett 
1891442 MAEssex[No locality description provided]2025 01070006 Merrimack River 
1890859 MAFranklin[No locality description provided]2025 01080201 Ashuelot River-Connecticut River 
1890376 MAHampden[No locality description provided]2025 01080204 Chicopee River 
1890377 MAHampden[No locality description provided]2025 01080205 Outlet Connecticut River 
1890406 MAHampden[No locality description provided]2025 01080205 Outlet Connecticut River 
1890400 MAHampshire[No locality description provided]2025 01080201 Ashuelot River-Connecticut River 
1890708 MAHampshire[No locality description provided]2025 01080201 Ashuelot River-Connecticut River 
1890649 MAMiddlesex[No locality description provided]2025 01090001 Charles 
1890672 MAMiddlesex[No locality description provided]2025 01090001 Charles 
1890675 MAMiddlesex[No locality description provided]2025 01070005 Concord River 
1890694 MAMiddlesex[No locality description provided]2025 01090001 Charles 
1890262 MAMiddlesex[No locality description provided]2025 01070004 Nashua River 
1889622 MAMiddlesex[No locality description provided]2025 01070005 Concord River 
1889624 MAMiddlesex[No locality description provided]2025 01070005 Concord River 
Page:1234567

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 [5/25/2026].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

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