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

181 results for Trapa natans (water chestnut)
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Page:12345678
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
213514 MA Sudbury River1935 01070005 Concord Riverestablished
860848 MA Sudbury River1945 01070005 Concord Riverestablished
1672001 MAMiddlesex[No locality description provided]2018 01070005 Concord River 
1673280 MAMiddlesex[No locality description provided]2019 01070005 Concord River 
1678473 MAMiddlesex[No locality description provided]2019 01070005 Concord River 
1742892 MAMiddlesex[No locality description provided]2019 01070005 Concord River 
1742979 MAMiddlesex[No locality description provided]2019 01070005 Concord River 
1744694 MAMiddlesex[No locality description provided]2020 01070005 Concord River 
1744826 MAMiddlesex[No locality description provided]2020 01070005 Concord River 
1744827 MAMiddlesex[No locality description provided]2020 01070005 Concord River 
1744836 MAMiddlesex[No locality description provided]2020 01070005 Concord River 
1744932 MAMiddlesex[No locality description provided]2020 01070005 Concord River 
1745141 MAMiddlesex[No locality description provided]2020 01070005 Concord River 
1673648 MAMiddlesex[No locality description provided]2020 01070005 Concord River 
1675095 MAMiddlesex[No locality description provided]2020 01070005 Concord River 
1746824 MAMiddlesex[No locality description provided]2021 01070005 Concord River 
1746859 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 
1747033 MAMiddlesex[No locality description provided]2021 01070005 Concord River 
1747034 MAMiddlesex[No locality description provided]2021 01070005 Concord River 
1747188 MAMiddlesex[No locality description provided]2021 01070005 Concord River 
1747938 MAMiddlesex[No locality description provided]2022 01070005 Concord River 
1748051 MAMiddlesex[No locality description provided]2022 01070005 Concord River 
1748055 MAMiddlesex[No locality description provided]2022 01070005 Concord River 
Page:12345678

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].

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.