Trapa bispinosa var. iinumai
Trapa bispinosa var. iinumai
(water chestnut)
Plants
Exotic
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7 results for Trapa bispinosa var. iinumai (water chestnut)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1874413 VAPrince William[No locality description provided; coordinates obscured by collector]2019 02070011 Lower Potomac 
1728687 VAPrince William[No locality description provided]2023 02070011 Lower Potomac 
1752023 VAPrince William[No locality description provided]2024 02070011 Lower Potomac 
1897632 VAPrince WilliamLake 3 at Prince William Forest Park NPS2024 02070011 Lower Potomacestablished
1897633 VAPrince WilliamLake 3 at Prince William Forest Park NPS2025 02070011 Lower Potomacestablished
1409995 VAStaffordStafford County1995 02070011 Lower Potomacunknown
1410093 VAWestmorelandWestmoreland County1995 02070011 Lower Potomacunknown

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 [2/22/2026].

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