Hydrilla verticillata verticillata
Hydrilla verticillata verticillata
(whorled hydrilla)
Plants
Exotic
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43 results for Hydrilla verticillata verticillata (whorled hydrilla)
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Page:12
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1888922 TXBastrop[No locality description provided]2025 12090301 Lower Colorado-Cummins 
1889387 TXBastrop[No locality description provided]2025 12090301 Lower Colorado-Cummins 
1889726 TXBastrop[No locality description provided]2025 12090301 Lower Colorado-Cummins 
1889822 TXBexar[No locality description provided]2025 12100304 Cibolo 
1888988 TXCaldwell[No locality description provided]2025 12100203 San Marcos 
1889560 TXComal[No locality description provided]2025 12100201 Upper Guadalupe 
1891553 TXDenton[No locality description provided]2025 12030103 Elm Fork Trinity 
1891430 TXFalls[No locality description provided]2025 12070101 Lower Brazos-Little Brazos 
1889347 TXFort Bend[No locality description provided]2025 12070104 Lower Brazos 
1890231 TXFreestone[No locality description provided]2025 12030108 Richland 
1876452 TXHays[No locality description provided; coordinates obscured by collector]2025 12100203 San Marcos 
1888891 TXHays[No locality description provided]2025 12100203 San Marcos 
1876350 TXHays[No locality description provided]2025 12100203 San Marcos 
1876364 TXHays[No locality description provided]2025 12100203 San Marcos 
1889240 TXHays[No locality description provided]2025 12100203 San Marcos 
1876281 TXHidalgo[No locality description provided]2025 12110208 South Laguna Madre 
1876331 TXHidalgo[No locality description provided]2025 12110208 South Laguna Madre 
1889330 TXHidalgo[No locality description provided]2025 12110208 South Laguna Madre 
1889357 TXHidalgo[No locality description provided]2025 12110208 South Laguna Madre 
1889364 TXHidalgo[No locality description provided]2025 12110208 South Laguna Madre 
1889860 TXHidalgo[No locality description provided]2025 12110208 South Laguna Madre 
1890582 TXMcMullen[No locality description provided]2025 12110108 Lower Frio 
1876360 TXStarr[No locality description provided]2025 13090001 Los Olmos 
1889840 TXStarr[No locality description provided]2025 13090001 Los Olmos 
1889976 TXStarr[No locality description provided]2025 13090001 Los Olmos 
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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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [6/7/2026].

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.