Trapa natans
Trapa natans
(water chestnut)

7 results for Trapa natans (water chestnut)
Download Data
Click here for listing in all states

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1522800 MDBaltimoreBird River, Cove adjacent to Railroad Creek2018 02060003 Gunpowder-Patapscoestablished
1473576 MDKent[Lloyd Creek] As far up into the headwaters as a canoe could get2018 02060002 Chester-Sassafrasestablished
1473575 MDKent[Lloyd Creek] North side of small island2018 02060002 Chester-Sassafrasestablished
1522797 MDKentHeadwaters of Lloyds Creek2018 02060002 Chester-Sassafrasestablished
1522801 MDKentHeadwaters, Dyer Creek2018 02060002 Chester-Sassafrasestablished
1522799 MDKentLloyds Creek2018 02060002 Chester-Sassafrasestablished
1522798 MDKentTidal Pond, Sassafras River NRMA2018 02060002 Chester-Sassafrasestablished

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 [1/19/2020].

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.