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

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

Page:12345678910
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
270607 MSLeakePearl River west of HWY 25 near Leake County Water Park2008 03180002 Middle Pearl-Strongestablished
1399117 MSLeakeRoss Barnett Reservoir above Low Head Dam2008 03180002 Middle Pearl-Strongunknown
1399122 MSLeakeRoss Barnett Reservoir above Low Head Dam2008 03180002 Middle Pearl-Strongunknown
1399240 MSLeakeRoss Barnett Reservoir above Low Head Dam2008 03180002 Middle Pearl-Strongunknown
1399291 MSLeakeRoss Barnett Reservoir above Low Head Dam2008 03180002 Middle Pearl-Strongunknown
273804 MSLeakeShoreline of Ross Barnett Reservoir above Low Head Dam2008 03180002 Middle Pearl-Strongestablished
1399212 MSLeakeWater park2008 03180002 Middle Pearl-Strongunknown
1749069 MSMadison[No locality description provided]2022 03180002 Middle Pearl-Strong 
1399400 MSMadison[no locality given]2005 03180002 Middle Pearl-Strongunknown
1399577 MSMadison[no locality given]2005 03180002 Middle Pearl-Strongunknown
1399580 MSMadison[no locality given]2005 03180002 Middle Pearl-Strongunknown
1399744 MSMadison[no locality given]2005 03180002 Middle Pearl-Strongunknown
1399092 MSMadison[no locality given]2005 03180002 Middle Pearl-Strongunknown
1399246 MSMadison[no locality given]2005 03180002 Middle Pearl-Strongunknown
1399252 MSMadison[no locality given]2005 03180002 Middle Pearl-Strongunknown
1399362 MSMadison[no locality given]2005 03180002 Middle Pearl-Strongunknown
1399507 MSMadison[no locality given]2005 03180002 Middle Pearl-Strongunknown
1399661 MSMadison[no locality given]2005 03180002 Middle Pearl-Strongunknown
1399663 MSMadison[no locality given]2005 03180002 Middle Pearl-Strongunknown
1399763 MSMadison[no locality given]2005 03180002 Middle Pearl-Strongunknown
1398555 MSMadison[no locality given]2005 03180002 Middle Pearl-Strongunknown
1398635 MSMadison[no locality given]2005 03180002 Middle Pearl-Strongunknown
1398636 MSMadison[no locality given]2005 03180002 Middle Pearl-Strongunknown
1398637 MSMadison[no locality given]2005 03180002 Middle Pearl-Strongunknown
1398464 MSMadison[no locality given]2005 03180002 Middle Pearl-Strongunknown
Page:12345678910

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].

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.