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

651 results for Alternanthera philoxeroides (alligatorweed)
Download Data

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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
233044 LAAcadiaAcadia Parish1996 08080200 Calcasieu-Mermentauestablished
270709 LAAcadiaE. of Hwy 912006 08080202 Mermentauestablished
1399226 LAAcadiaE. of Hwy 91; Morse, LA 705592006 08080202 Mermentauunknown
1398966 LAAcadiaN.S. of Hwy 90; Crowley, LA 705262006 08080201 Mermentau Headwatersunknown
1336132 LAAcadiaVery abundant in ditches near rice fields, south of Rayne1967 08080202 Mermentauunknown
233043 LAAllenAllen Parish1996 08080200 Calcasieu-Mermentauestablished
1746209 LACalcasieu[No locality description provided]2021 08080206 Lower Calcasieu 
1749625 LACalcasieu[No locality description provided]2023 08080206 Lower Calcasieu 
1749634 LACalcasieu[No locality description provided]2023 08080206 Lower Calcasieu 
1398901 LACalcasieuBoth sides LA 171. Rated what was visible. More beyond area rated. Lake Charles, LA 706112006 08080203 Upper Calcasieuunknown
270710 LACalcasieuBoth sides of LA 171 near Moss Bluff2006 08080203 Upper Calcasieuestablished
1399133 LACalcasieuRoad ditch E side of LA 171. Lake Charles, LA2006 08080203 Upper Calcasieuunknown
1741329 LACameron[No locality description provided]2018 08080202 Mermentau 
213324 LACameronCalcasieu Lake, eastern shore1987 08080206 Lower Calcasieuestablished
1389213 LACameronCRMS0553-V102006 08080202 Mermentauestablished
1389252 LACameronCRMS0553-V102007 08080202 Mermentauestablished
1389187 LACameronCRMS0553-V102008 08080202 Mermentauestablished
1389544 LACameronCRMS0553-V102011 08080202 Mermentauestablished
1389214 LACameronCRMS0553-V102012 08080202 Mermentauestablished
1389253 LACameronCRMS0553-V102013 08080202 Mermentauestablished
1389188 LACameronCRMS0553-V102014 08080202 Mermentauestablished
1389545 LACameronCRMS0553-V102015 08080202 Mermentauestablished
1389254 LACameronCRMS0553-V362006 08080202 Mermentauestablished
1389189 LACameronCRMS0553-V362007 08080202 Mermentauestablished
1389216 LACameronCRMS0553-V522007 08080202 Mermentauestablished
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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 [1/24/2025].

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.