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

16 results for Alternanthera philoxeroides (alligatorweed)
Download Data
Click here for listing in all states

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1336131 FLCharlotte75 yds E of beach on Little Gasparilla Island1983 03100201 Sarasota Bayunknown
1336113 FLCharlotteLittle Gasperilla Island1971 03100201 Sarasota Bayunknown
1876393 FLManatee[No locality description provided]2025 03100201 Sarasota Bay 
1742035 FLSarasota[No locality description provided]2018 03100201 Sarasota Bay 
1676725 FLSarasota[No locality description provided]2021 03100201 Sarasota Bay 
226095 FLSarasotaCow Pen Slough1992 03100201 Sarasota Bayestablished
1479835 FLSarasotaCow Pen Slough1992 03100201 Sarasota Bayunknown
1476269 FLSarasotaCow Pen Slough1994 03100201 Sarasota Bayunknown
1477215 FLSarasotaCow Pen Slough1995 03100201 Sarasota Bayunknown
1477769 FLSarasotaCow Pen Slough1996 03100201 Sarasota Bayunknown
1480649 FLSarasotaCow Pen Slough1997 03100201 Sarasota Bayunknown
1475965 FLSarasotaCow Pen Slough1998 03100201 Sarasota Bayunknown
1480420 FLSarasotaCow Pen Slough1999 03100201 Sarasota Bayunknown
1476224 FLSarasotaCow Pen Slough2002 03100201 Sarasota Bayunknown
1477517 FLSarasotaCow Pen Slough2003 03100201 Sarasota Bayunknown
1652165 FLSarasotaSouth Sarasota, FL, USA2020 03100201 Sarasota Bayestablished

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 [6/20/2025].

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.



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