Hydrilla verticillata verticillata
Hydrilla verticillata verticillata
(whorled hydrilla)

13 results for Hydrilla verticillata verticillata (whorled hydrilla)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1421377 TXComal[Locality description not provided]2016 12100203 San Marcosunknown
1421136 TXHays[Locality description not provided]2011 12100203 San Marcosunknown
1421385 TXHays[Locality description not provided]2015 12100203 San Marcosunknown
1708335 TXHays[No locality description provided]2020 12100203 San Marcos 
1700523 TXHays[No locality description provided]2021 12100203 San Marcos 
1701363 TXHays[No locality description provided]2022 12100203 San Marcos 
1701502 TXHays[No locality description provided]2022 12100203 San Marcos 
862557 TXHaysCreek off San Marcos River, on Cape St, near San Marcos River City Park.2015 12100203 San Marcosestablished
1650470 TXHaysRio Vista Park, San Marcos, Texas2017 12100203 San Marcosestablished
1650638 TXHaysRiviera St, San Marcos, TX, US2019 12100203 San Marcosestablished
231932 TXHaysSan Marcos River1999 12100203 San Marcosestablished
862518 TXHaysSan Marcos River, at Cheatham St Bridge2000 12100203 San Marcosestablished
229961 TXHaysSan Marcos River, upper portion (7.5 river km between Spring Lake dam and the confluence with the Blanco River)1989 12100203 San Marcosestablished

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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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [6/19/2024].

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