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
1679539 TXFort Bend[No locality description provided]2020 12040104 Buffalo-San Jacinto 
1421089 TXHarris[No locality description provided]2010 12040104 Buffalo-San Jacinto 
1421075 TXHarris[No locality description provided]2010 12040104 Buffalo-San Jacinto 
1709375 TXHarris[No locality description provided]2016 12040104 Buffalo-San Jacinto 
1676284 TXHarris[No locality description provided]2020 12040104 Buffalo-San Jacinto 
1676309 TXHarris[No locality description provided]2020 12040104 Buffalo-San Jacinto 
1676310 TXHarris[No locality description provided]2020 12040104 Buffalo-San Jacinto 
1679516 TXHarris[No locality description provided]2020 12040104 Buffalo-San Jacinto 
1745812 TXHarris[No locality description provided]2020 12040104 Buffalo-San Jacinto 
1676374 TXHarris[No locality description provided]2020 12040104 Buffalo-San Jacinto 
1676239 TXHarris[No locality description provided]2020 12040104 Buffalo-San Jacinto 
1748879 TXHarris[No locality description provided]2022 12040104 Buffalo-San Jacinto 
1749134 TXHarris[No locality description provided]2022 12040104 Buffalo-San Jacinto 
1706582 TXHarris[No locality description provided]2022 12040104 Buffalo-San Jacinto 
1706682 TXHarris[No locality description provided]2022 12040104 Buffalo-San Jacinto 
1728287 TXHarris[No locality description provided]2023 12040104 Buffalo-San Jacinto 
1749672 TXHarris[No locality description provided]2023 12040104 Buffalo-San Jacinto 
1749940 TXHarris[No locality description provided]2023 12040104 Buffalo-San Jacinto 
1470246 TXHarrisHighlands Reservoir2015 12040104 Buffalo-San Jacintoestablished
1470513 TXHarrisSheldon Reservoir2015 12040104 Buffalo-San Jacintoestablished

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 [11/15/2025].

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.