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

827 results for Trapa natans (water chestnut)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1694087 CTFairfieldHawlet Road Pond2021 01100005 Housatonicunknown
1679956 CTHartford[No locality description provided]2021 01080205 Outlet Connecticut River 
1730638 CTHartford[No locality description provided]2021 01080205 Outlet Connecticut River 
1694091 CTHartfordTimberlin Golf Club pond(s)2021 01080205 Outlet Connecticut Riverunknown
1677344 CTLitchfield[No locality description provided]2021 01100005 Housatonic 
1694093 CTLitchfieldDog Pond2021 01100005 Housatonicunknown
1694089 CTLitchfieldLake Waramaug2021 01100005 Housatonicunknown
1694088 CTMiddlesexChapman Pond2021 01080205 Outlet Connecticut Riverunknown
1679955 CTNew Haven[No locality description provided]2021 01100004 Quinnipiac 
1680029 CTNew Haven[No locality description provided]2021 01100004 Quinnipiac 
1746228 CTNew Haven[No locality description provided]2021 01100004 Quinnipiac 
1746877 CTNew Haven[No locality description provided]2021 01100004 Quinnipiac 
1694092 CTNew HavenFarm Brook reservoir2021 01100004 Quinnipiacunknown
1694090 CTNew LondonGardner Lake2021 01100003 Thamesunknown
1676435 MABerkshire[No locality description provided]2021 01100005 Housatonic 
1730691 MABristol[No locality description provided]2021 01090004 Narragansett 
1730640 MABristol[No locality description provided]2021 01090004 Narragansett 
1677391 MAFranklin[No locality description provided]2021 01080201 Ashuelot River-Connecticut River 
1699501 MAHampshire[No locality description provided]2021 01080201 Ashuelot River-Connecticut River 
1699634 MAMiddlesex[No locality description provided]2021 01090001 Charles 
1730692 MAMiddlesex[No locality description provided]2021 01070006 Merrimack River 
1746859 MAMiddlesex[No locality description provided]2021 01070005 Concord River 
1746824 MAMiddlesex[No locality description provided]2021 01070005 Concord River 
1746969 MAMiddlesex[No locality description provided]2021 01070005 Concord River 
1746973 MAMiddlesex[No locality description provided]2021 01070005 Concord River 
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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 [2/22/2026].

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.