Trapa natans
Trapa natans
(water chestnut)

4 results for Trapa natans (water chestnut)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
228428 DCDistrict of ColumbiaPotomac River, freshwater tidal zone.1945 02070010 Middle Potomac-Anacostia-Occoquaneradicated
860848 MA Sudbury River1945 01070005 Concordestablished
230223 MDCharles/Prince GPotomac River1945 02070010 Middle Potomac-Anacostia-Occoquaneradicated
1418718 VAFairfaxMount Vernon; Little Hunting Creek1945 02070010 Middle Potomac-Anacostia-Occoquaneradicated

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.

Data are not available for download from the web site. Please contact NAS staff for a custom query.


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. [2020]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/21/2020].

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 queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.