Hydrilla verticillata verticillata
Hydrilla verticillata verticillata
(whorled hydrilla)
Plants
Exotic
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18 results for Hydrilla verticillata verticillata (whorled hydrilla)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1421243 TXDallas[No locality description provided]2011 12030103 Elm Fork Trinity 
230682 TXDallasNorth Reservoir1996 12030103 Elm Fork Trinityestablished
1421189 TXDenton[No locality description provided]2011 12030103 Elm Fork Trinity 
1421222 TXDenton[No locality description provided]2011 12030103 Elm Fork Trinity 
1891553 TXDenton[No locality description provided]2025 12030103 Elm Fork Trinity 
235722 TXDentonCity of Lewisville, 3 floodway ponds2004 12030103 Elm Fork Trinityestablished
1650432 TXDentonJones St, The Colony, TX, US2014 12030103 Elm Fork Trinityestablished
229795 TXDentonLewisville Reservoir1995 12030103 Elm Fork Trinityestablished
1650649 TXDentonLewisville, TX, USA2019 12030103 Elm Fork Trinityestablished
1650711 TXDentonLewisville, TX, USA2019 12030103 Elm Fork Trinityestablished
877704 TXDentonRay Roberts Lake2005 12030103 Elm Fork Trinityestablished
877705 TXDentonRay Roberts Lake2009 12030103 Elm Fork Trinityestablished
1523227 TXDentonRay Roberts Lake State Park - Isle Du Bois Unit2017 12030103 Elm Fork Trinityestablished
1650639 TXDentonRay Roberts Lake State Park - Isle Du Bois Unit, Valley View, TX, US2019 12030103 Elm Fork Trinityestablished
229800 TXDentonRay Roberts Reservoir1995 12030103 Elm Fork Trinityestablished
1470946 TXDentonRay Roberts Reservoir2003 12030103 Elm Fork Trinityestablished
1471012 TXDentonRay Roberts Reservoir2011 12030103 Elm Fork Trinityestablished
1471154 TXDentonRay Roberts Reservoir2015 12030103 Elm Fork Trinityestablished

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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/5/2025].

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