Trapa natans
Trapa natans
(water chestnut)
Plants
Exotic
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7 results for Trapa natans (water chestnut)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1815299 PAWarren[No locality description provided]2014 05010001 Upper Allegheny 
1815300 PAWarren[No locality description provided]2014 05010001 Upper Allegheny 
1811543 PAWarrenAllegheny River2013 05010001 Upper Allegheny 
1815301 PAWarrenAllegheny River2014 05010001 Upper Allegheny 
1820949 PAWarrenAllegheny River2015 05010001 Upper Allegheny 
1651308 PAWarrenAllegheny River, near Mead Island2017 05010001 Upper Alleghenyestablished
1333247 PAWarrenPA State Boat Launch in Starbrick, PA on River Road. Head north about 1/4 mile up to Mead Island.2014 05010001 Upper Alleghenyestablished

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 [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.