Trapa natans
Trapa natans
(water chestnut)

456 results for Trapa natans (water chestnut)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
213514 MA Sudbury River1935 01070005 Concord Riverestablished
860848 MA Sudbury River1945 01070005 Concord Riverestablished
1418631 MABerkshireHancock Pond between Whitman Rd and Rte 431996 02020006 Middle Hudsonestablished
1321146 MABerkshireLake Onota, near Pittsfield2003 01100005 Housatonicestablished
1256635 MABerkshireLaurel Lake, Lee2011 01100005 Housatonicestablished
1676435 MABerkshireLee, MA, USA2021 01100005 Housatonic 
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
877770 MABristolBarrowsville Pond, Norton, MA2008 01090004 Narragansettestablished
1673056 MABristolNorton Center, Norton, MA 02766, USA2013 01090004 Narragansett 
1673738 MAEssexAmesbury, MA, USA2015 01070006 Merrimack River 
1321023 MAEssexClarks Pond, Amesbury2007 01070006 Merrimack Riverestablished
1679399 MAEssexLake St, Middleton, MA, US2020 01090001 Charles 
1396766 MAFranklinAshfield Pond2007 01080203 Deerfield Riverunknown
1396753 MAFranklinAshfield Pond2008 01080203 Deerfield Riverunknown
1396741 MAFranklinAshfield Pond2009 01080203 Deerfield Riverunknown
1397403 MAFranklinAshfield Pond2013 01080203 Deerfield Riverunknown
1320655 MAFranklinBarton Cove in Gill2016 01080201 Ashuelot River-Connecticut Riverestablished
1396772 MAFranklinBarton's Cove2009 01080201 Ashuelot River-Connecticut Riverunknown
1396786 MAFranklinBarton's Cove2011 01080201 Ashuelot River-Connecticut Riverunknown
1396759 MAFranklinBarton's Cove2012 01080201 Ashuelot River-Connecticut Riverunknown
1397473 MAFranklinBarton's Cove2013 01080201 Ashuelot River-Connecticut Riverunknown
1396844 MAFranklinBarton's Cove Upstream2004 01080201 Ashuelot River-Connecticut Riverunknown

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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/24/2024].

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