Trapa natans
Trapa natans
(water chestnut)
Plants
Exotic
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Impacts

8 results for Trapa natans (water chestnut)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1746175 PADelaware[No locality description provided]2004 02040202 Lower Delaware 
1834220 PAMontgomery[No locality description provided]2018 02040202 Lower Delaware 
1677464 PAMontgomery[No locality description provided]2021 02040202 Lower Delaware 
1651332 PAMontgomeryunnamed waterbody near Arbor Glen2018 02040202 Lower Delawareunknown
1758959 PAPhiladelphia[No locality description provided]2019 02040202 Lower Delaware 
1759608 PAPhiladelphia[No locality description provided]2019 02040202 Lower Delaware 
1759609 PAPhiladelphia[No locality description provided]2019 02040202 Lower Delaware 
1759491 PAPhiladelphia[No locality description provided]2021 02040202 Lower Delaware 

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.

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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 [1/31/2026].

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