Myriophyllum heterophyllum
Myriophyllum heterophyllum
(variable-leaf watermilfoil)
Native Transplant

38 results for Myriophyllum heterophyllum (variable-leaf watermilfoil)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1650493 TXBastropBastrop County, TX, USA2017 12090301 Lower Colorado-Cumminsestablished
1706111 TXBell[No locality description provided]2022 12070203 Lampasas 
1650612 TXHarrisHarris County, TX, USA2019 12040104 Buffalo-San Jacintoestablished
1650647 TXHarrisSheldon Reservoir, Houston, TX, US2019 12040104 Buffalo-San Jacintoestablished
1670626 TXHays[No locality description provided]2010 12100203 San Marcos 
1701525 TXHays[No locality description provided]2022 12100203 San Marcos 
1650662 TXHaysBear Creek, Austin, TX, US2020 12090205 Austin-Travis Lakesestablished
1650614 TXHaysHays County, US-TX, US2019 12090205 Austin-Travis Lakesestablished
1650523 TXHaysKyle, TX 78640, Kyle, TX, US2018 12100203 San Marcosestablished
1650428 TXHaysSan Marcos, Tx2014 12100203 San Marcosestablished
1729854 TXKendall[No locality description provided]2023 12100201 Upper Guadalupe 
1650672 TXKendallBergheim, TX, US2020 12100201 Upper Guadalupeestablished
1651109 TXKendallMuddy pools, Spring Creek, near Boerne1917 12100201 Upper Guadalupeextirpated
1707117 TXKerr[No locality description provided]2023 12100201 Upper Guadalupe 
1651108 TXKerralong Guadalupe River 4 miles east of Hunt, near Camp Rio Vista1952 12100201 Upper Guadalupeestablished
1650710 TXKerrHunt, TX, US2020 12100201 Upper Guadalupeestablished
1651107 TXKerrKerrville1927 12100201 Upper Guadalupeestablished
1650570 TXKimble76849, Junction, TX, US2018 12090203 South Llanoestablished
1650550 TXRealReal County, TX, USA2018 12110101 Nueces Headwatersestablished
1671353 TXSan Saba[No locality description provided]2016 12090201 Buchanan-Lyndon B. Johnson Lakes 
1700730 TXSan Saba[No locality description provided]2022 12090201 Buchanan-Lyndon B. Johnson Lakes 
1650509 TXTarrantPecan Acres, TX, USA2017 12030101 Upper West Fork Trinityestablished
1650545 TXTravis78759, Austin, TX, US2018 12090205 Austin-Travis Lakesestablished
1650695 TXTravisAustin, TX 78750, USA2015 12090205 Austin-Travis Lakesestablished
1706751 TXUvalde[No locality description provided]2022 12110106 Upper Frio 

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.


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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [5/25/2024].

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