Hydrilla verticillata verticillata
Hydrilla verticillata verticillata
(whorled hydrilla)
Plants
Exotic
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Impacts

26 results for Hydrilla verticillata verticillata (whorled hydrilla)
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Click here for listing in all states

Page:12
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1523220 TXWilliamson[Lake Creek, E of S Oconner Dr]2018 12070205 San Gabrielestablished
1421165 TXWilliamson[No locality description provided]2011 12070205 San Gabriel 
1745540 TXWilliamson[No locality description provided]2020 12070205 San Gabriel 
1699846 TXWilliamson[No locality description provided]2021 12070205 San Gabriel 
1699582 TXWilliamson[No locality description provided]2022 12070205 San Gabriel 
1701919 TXWilliamson[No locality description provided]2022 12070205 San Gabriel 
1699516 TXWilliamson[No locality description provided]2022 12070205 San Gabriel 
1750388 TXWilliamson[No locality description provided]2023 12070205 San Gabriel 
1750431 TXWilliamson[No locality description provided]2023 12070205 San Gabriel 
1750567 TXWilliamson[No locality description provided]2023 12070205 San Gabriel 
1750735 TXWilliamson[No locality description provided]2023 12070205 San Gabriel 
1751013 TXWilliamson[No locality description provided]2024 12070205 San Gabriel 
1751361 TXWilliamson[No locality description provided]2024 12070205 San Gabriel 
1752157 TXWilliamson[No locality description provided]2024 12070205 San Gabriel 
1752925 TXWilliamson[No locality description provided]2024 12070205 San Gabriel 
1753111 TXWilliamson[No locality description provided]2024 12070205 San Gabriel 
1876176 TXWilliamson[No locality description provided]2024 12070205 San Gabriel 
1889448 TXWilliamson[No locality description provided]2025 12070205 San Gabriel 
1889583 TXWilliamson[No locality description provided]2025 12070205 San Gabriel 
1889586 TXWilliamson[No locality description provided]2025 12070205 San Gabriel 
1889618 TXWilliamson[No locality description provided]2025 12070205 San Gabriel 
1891062 TXWilliamson[No locality description provided]2025 12070205 San Gabriel 
235544 TXWilliamsonGranger Lake, N of Taylor toward Austin, in the Black Prairie lands.2001 12070205 San Gabrielestablished
1470924 TXWilliamsonGranger Reservoir near Wilson Fox Park 2 boat ramp2003 12070205 San Gabrieleradicated
1650725 TXWilliamsonN Lee St, Round Rock, TX, US2020 12070205 San Gabrielestablished
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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.

Disclaimer:

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].

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