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

16 results for Alternanthera philoxeroides (alligatorweed)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1704565 TXBrazoria[No locality description provided]2022 12040204 West Galveston Bay 
1892818 TXBrazoria[No locality description provided]2025 12040204 West Galveston Bay 
1725698 TXBrazoriaabout 3800 Liberty Rd. in and about city park1983 12040204 West Galveston Bay 
1725662 TXBrazoriaPearland, ca. 3800 Liberty Rd., in and about City Park1983 12040204 West Galveston Bay 
1725665 TXGalvestonjunction of Twelve Mile Road and Steward Road, Galveston Island1990 12040204 West Galveston Bay 
1421009 TXHarris[No locality description provided]2008 12040204 West Galveston Bay 
1421010 TXHarris[No locality description provided]2008 12040204 West Galveston Bay 
1421021 TXHarris[No locality description provided]2008 12040204 West Galveston Bay 
1421035 TXHarris[No locality description provided]2008 12040204 West Galveston Bay 
1421047 TXHarris[No locality description provided]2008 12040204 West Galveston Bay 
1745640 TXHarris[No locality description provided]2020 12040204 West Galveston Bay 
1745710 TXHarris[No locality description provided]2020 12040204 West Galveston Bay 
1676884 TXHarris[No locality description provided]2021 12040204 West Galveston Bay 
1730070 TXHarris[No locality description provided]2023 12040204 West Galveston Bay 
1730062 TXHarris[No locality description provided]2023 12040204 West Galveston Bay 
1695563 TXHarrisHorsepen Bay, Armand Bayou2008 12040204 West Galveston Bayestablished

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 [12/10/2025].

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