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

421 results for Alternanthera philoxeroides (alligatorweed)
Download Data

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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1725659 ARPoinsettApprox. 4 km west of Trumann on AR-69 at Ditch #10. Walked south along the ditch for 1/2 km.2017 08020203 Lower St. Francis 
1632564 ARPulaski[No locality description provided]2017 11110207 Lower Arkansas-Maumelleestablished
1741077 CAContra Costa[No locality description provided]2017 18050001 Suisun Bay 
1740999 FLAlachua[No locality description provided]2017 03080102 Oklawaha 
1615665 FLAlachua[No locality description provided]2017 03080102 Oklawahaestablished
1478686 FLAlachuaHoldens Pond2017 03080102 Oklawahaestablished
1478639 FLAlachuaJohnson Lake2017 03080102 Oklawahaestablished
1478660 FLAlachuaLittle Orange Lake2017 03080102 Oklawahaestablished
1478662 FLAlachuaLittle Santa Fe Lake2017 03110206 Santa Feestablished
1478665 FLAlachuaLochloosa Lake2017 03080102 Oklawahaestablished
1478604 FLAlachuaNewnans Lake2017 03080102 Oklawahaestablished
1478615 FLAlachuaOrange Lake2017 03080102 Oklawahaestablished
1478532 FLAlachuaSanta Fe Lake2017 03110206 Santa Feestablished
1337422 FLAlachuaSweetwater Wetlands Park, SE Gainesville2017 03080102 Oklawahaestablished
1478456 FLAlachuaWatermellon Pond2017 03110101 Waccasassaestablished
1478607 FLBakerOcean Pond2017 03070204 St. Marysestablished
1478764 FLBayDavis Lake2017 03140101 St. Andrew-St. Joseph Baysestablished
1478770 FLBayDeer Point Lake2017 03140101 St. Andrew-St. Joseph Baysestablished
1478616 FLBayLake Lullwater2017 03140101 St. Andrew-St. Joseph Baysestablished
1478629 FLBayMartin Bayou2017 03140101 St. Andrew-St. Joseph Baysestablished
1418806 FLBayRogers Pond, W of S Berthe Ave bridge2017 03140101 St. Andrew-St. Joseph Baysestablished
1478549 FLBradfordLake Rowell2017 03110206 Santa Feestablished
1478554 FLBradfordLake Sampson2017 03110206 Santa Feestablished
1478779 FLBrevardClark Lake2017 03080101 Upper St. Johnsestablished
1478718 FLBrevardFox Lake2017 03080101 Upper St. Johnsestablished
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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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/21/2026].

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.