Trapa natans
Trapa natans
(water chestnut)

55 results for Trapa natans (water chestnut)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
213514 MA Sudbury River1935 01070005 Concordestablished
860848 MA Sudbury River1945 01070005 Concordestablished
1410165 MAMiddlesexConcord R. [River] near Concord and Carlisle line1894 01070005 Concordunknown
1410151 MAMiddlesexConcord River1885 01070005 Concordunknown
1418704 MAMiddlesexConcord River1885 01070005 Concordunknown
1410159 MAMiddlesexConcord River1886 01070005 Concordunknown
1418662 MAMiddlesexConcord River1895 01070005 Concordunknown
228523 MAMiddlesexConcord River1970 01070005 Concordestablished
1418629 MAMiddlesexConcord River1977 01070005 Concordestablished
228595 MAMiddlesexConcord River1983 01070005 Concordestablished
1418706 MAMiddlesexConcord River at Billerica1963 01070005 Concordestablished
1418658 MAMiddlesexConcord River at Carlisle1967 01070005 Concordestablished
1418637 MAMiddlesexConcord River at Route 4, Billerica1971 01070005 Concordestablished
1418633 MAMiddlesexConcord River at Talbot Mills, Billerica1970 01070005 Concordestablished
235074 MAMiddlesexConcord River near Concord and Carlisle line2001 01070005 Concordestablished
235069 MAMiddlesexConcord River near Concord Village2001 01070005 Concordestablished
1418641 MAMiddlesexConcord River west of Route 2251971 01070005 Concordestablished
235064 MAMiddlesexConcord River, Bedford2001 01070005 Concordestablished
1418672 MAMiddlesexConcord River, Bedford.1884 01070005 Concordunknown
1410150 MAMiddlesexConcord River, Bedford.1903 01070005 Concordunknown
235061 MAMiddlesexConcord River, Carlisle2001 01070005 Concordestablished
1410135 MAMiddlesexConcord River, near Carlisle1967 01070005 Concordestablished
1410147 MAMiddlesexConcord River, near Concord Vill. [Village]1932 01070005 Concordunknown
235075 MAMiddlesexConcord River, Route 225, Carlisle2001 01070005 Concordestablished
860846 MAMiddlesexConcord River,Concord1886 01070005 Concordestablished

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.


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. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [9/27/2021].

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