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

20 results for Alternanthera philoxeroides (alligatorweed)
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Click here for listing in all states

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1892818 TXBrazoria[No locality description provided]2025 12040204 West Galveston Bay 
1891281 TXBrazos[No locality description provided]2025 12070103 Navasota 
1890611 TXDallas[No locality description provided]2025 12030103 Elm Fork Trinity 
1890340 TXDallas[No locality description provided]2025 12030105 Upper Trinity 
1892358 TXDallas[No locality description provided]2025 12030106 East Fork Trinity 
1891374 TXDenton[No locality description provided]2025 12030103 Elm Fork Trinity 
1890313 TXHarris[No locality description provided]2025 12040104 Buffalo-San Jacinto 
1892861 TXHarris[No locality description provided]2025 12040104 Buffalo-San Jacinto 
1876366 TXHays[No locality description provided]2025 12100203 San Marcos 
1892192 TXHays[No locality description provided]2025 12100203 San Marcos 
1895606 TXLiberty[No locality description provided]2025 12030203 Lower Trinity 
1891581 TXMcLennan[No locality description provided]2025 12060202 Middle Brazos-Lake Whitney 
1890623 TXMontgomery[No locality description provided]2025 12040102 Spring 
1891423 TXNueces[No locality description provided]2025 12110202 South Corpus Christi Bay 
1892883 TXTarrant[No locality description provided]2025 12030104 Denton 
1891440 TXTarrant[No locality description provided]2025 12030102 Lower West Fork Trinity 
1891441 TXTarrant[No locality description provided]2025 12030102 Lower West Fork Trinity 
1892313 TXTarrant[No locality description provided]2025 12030102 Lower West Fork Trinity 
1890837 TXTravis[No locality description provided]2025 12090205 Austin-Travis Lakes 
1891810 TXTravis[No locality description provided]2025 12090205 Austin-Travis Lakes 

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 [4/15/2026].

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.