Alternanthera philoxeroides
Alternanthera philoxeroides
(alligatorweed)
Plants
Exotic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

292 results for Alternanthera philoxeroides (alligatorweed)
Download Data
Click here for listing in all states

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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
213458 TX southeast Texas1975 Texas-Gulf Regionestablished
1421194 TXAngelina[Locality description not provided]2011 12020005 Lower Angelinaestablished
1676422 TXAngelina[No locality description provided]2020 12020005 Lower Angelina 
230739 TXAngelinaKurth Lake1996 12020005 Lower Angelinaestablished
1470315 TXArcherCooper Reservoir2015 11130209 Little Wichitaestablished
1725687 TXBastropSE of Utley, along Colorado River and Ranch Road 9692005 12090301 Lower Colorado-Cummins 
1676602 TXBexar[No locality description provided]2019 12100301 Upper San Antonio 
1746131 TXBexar[No locality description provided]2020 12100301 Upper San Antonio 
1746807 TXBexar[No locality description provided]2021 12100302 Medina 
1704557 TXBexar[No locality description provided]2022 12100301 Upper San Antonio 
1730194 TXBexar[No locality description provided]2023 12100301 Upper San Antonio 
1740671 TXBowie[No locality description provided]2016 11140302 Lower Sulpher 
1740674 TXBowie[No locality description provided]2016 11140302 Lower Sulpher 
1742833 TXBowie[No locality description provided]2019 11140302 Lower Sulpher 
1744022 TXBowie[No locality description provided]2020 11140302 Lower Sulpher 
1746808 TXBowie[No locality description provided]2021 11140302 Lower Sulpher 
1747008 TXBowie[No locality description provided]2021 11140106 Pecan-Waterhole 
1748583 TXBowie[No locality description provided]2022 11140201 McKinney-Posten Bayous 
1748335 TXBowie[No locality description provided]2022 11140201 McKinney-Posten Bayous 
1748560 TXBowie[No locality description provided]2022 11140201 McKinney-Posten Bayous 
1747893 TXBowie[No locality description provided]2022 11140302 Lower Sulpher 
1750038 TXBowie[No locality description provided]2023 11140201 McKinney-Posten Bayous 
1421454 TXBowieWright Patman Lake2012 11140302 Lower Sulphereradicated
1470167 TXBowieWright Patman Lake2012 11140302 Lower Sulphereradicated
1421073 TXBrazoria[Locality description not provided]2009 12090401 San Bernardestablished
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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 [1/24/2025].

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.