Trapa natans
Trapa natans
(water chestnut)
Plants
Exotic
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15 results for Trapa natans (water chestnut)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1676435 MABerkshire[No locality description provided]2021 01100005 Housatonic 
1748324 MABerkshire[No locality description provided]2022 01100005 Housatonic 
1750664 MABerkshire[No locality description provided]2023 01100005 Housatonic 
1888315 MABerkshire[No locality description provided]2023 01100005 Housatonic 
1729018 MABerkshire[No locality description provided]2023 01100005 Housatonic 
1729411 MABerkshire[No locality description provided]2023 01100005 Housatonic 
1729443 MABerkshire[No locality description provided]2023 01100005 Housatonic 
1888530 MABerkshire[No locality description provided]2024 01100005 Housatonic 
1890869 MABerkshire[No locality description provided]2025 01100005 Housatonic 
1321146 MABerkshireLake Onota, near Pittsfield2003 01100005 Housatonicestablished
1256635 MABerkshireLaurel Lake, Lee2011 01100005 Housatonicestablished
1418636 MABerkshirenear Pittsfield2001 01100005 Housatonicunknown
235636 MABerkshireOnota Lake, north of Dan Casey Causeway, Pittsfield2003 01100005 Housatonicestablished
235637 MABerkshirePontoosuc Lake, Pittsfield2003 01100005 Housatonicestablished
1414746 MABerkshireStockbridge Bowl AKA Lake Mahkeenac, in the outlet area, behind the island, in front of 40 Lake Drive, 38 Lake Drive, 36 Lake Drive Stockbridge2016 01100005 Housatonicestablished

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.