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

38 results for Alternanthera philoxeroides (alligatorweed)
Download Data

Page:12
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1393619 LACameronCRMS0683-V342011 12040201 Sabine Lakeestablished
1394352 LACameronCRMS1838-V362007 12040201 Sabine Lakeestablished
1394188 LACameronCRMS1838-V372007 12040201 Sabine Lakeestablished
1393971 LACameronCRMS1838-V672007 12040201 Sabine Lakeestablished
1394362 LACameronCRMS2156-V172009 12040201 Sabine Lakeestablished
1394393 LACameronCRMS2156-V192009 12040201 Sabine Lakeestablished
1421277 TXBrazoria[No locality description provided]2012 12040205 Austin-Oyster 
1421343 TXBrazoria[No locality description provided]2014 12040205 Austin-Oyster 
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 
1872432 TXChambers[No locality description provided]2018 12040202 East Galveston Bay 
1467934 TXChambersAnahuac National Wildlife Refuge2018 12040202 East Galveston Bayestablished
1457698 TXChambersAnahuac NWR2017 12040202 East Galveston Bayestablished
1396296 TXChambersCedar Bayou-Frontal Galveston Bay2011 12040203 North Galveston Bayestablished
1396270 TXChambersCedar Bayou-Frontal Galveston Bay2011 12040203 North Galveston Bayestablished
1396297 TXChambersEast Fork Double Bayou2011 12040202 East Galveston Bayestablished
1396324 TXChambersEast Fork Double Bayou2011 12040202 East Galveston Bayestablished
1396097 TXChambersEast Fork Double Bayou2011 12040202 East Galveston Bayestablished
1396269 TXChambersEast Fork Double Bayou2011 12040202 East Galveston Bayestablished
1421100 TXFort Bend[No locality description provided]2010 12040205 Austin-Oyster 
1725665 TXGalvestonjunction of Twelve Mile Road and Steward Road, Galveston Island1990 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 
Page:12

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 [6/24/2026].

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.