Alternanthera philoxeroides
Alternanthera philoxeroides

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

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
222916 FLHillsboroughChannel A1988 03100206 Tampa Bayestablished
226062 FLHillsboroughChannel A1992 03100206 Tampa Bayestablished
222906 FLHillsboroughChannel G1988 03100206 Tampa Bayestablished
1481507 FLHillsboroughChannel G1988 03100206 Tampa Bayunknown
226068 FLHillsboroughChannel G1992 03100206 Tampa Bayestablished
1480428 FLHillsboroughChannel G1992 03100206 Tampa Bayunknown
1475314 FLHillsboroughChannel G1994 03100206 Tampa Bayunknown
1478312 FLHillsboroughChannel G1995 03100206 Tampa Bayunknown
1478170 FLHillsboroughChannel G1996 03100206 Tampa Bayunknown
1482064 FLHillsboroughChannel G1997 03100206 Tampa Bayunknown
1482178 FLHillsboroughChannel G1998 03100206 Tampa Bayunknown
1482960 FLHillsboroughChannel G1999 03100206 Tampa Bayunknown
1482575 FLHillsboroughChannel G2002 03100206 Tampa Bayunknown
1477439 FLHillsboroughChannel G2003 03100206 Tampa Bayunknown
1477765 FLHillsboroughChannel G2004 03100206 Tampa Bayunknown
1479385 FLHillsboroughChannel G2005 03100206 Tampa Bayunknown
1476230 FLHillsboroughChannel G2006 03100206 Tampa Bayunknown
1483826 FLHillsboroughChannel G2007 03100206 Tampa Bayunknown
1482322 FLHillsboroughChannel G2008 03100206 Tampa Bayunknown
1482951 FLHillsboroughChannel G2009 03100206 Tampa Bayunknown
1475515 FLHillsboroughChannel G2010 03100206 Tampa Bayunknown
1484229 FLHillsboroughRocky Creek1982 03100206 Tampa Bayestablished
214879 FLHillsboroughRocky Creek1982 03100206 Tampa Bayestablished
215729 FLHillsboroughRocky Creek1983 03100206 Tampa Bayestablished
1483307 FLHillsboroughRocky Creek1983 03100206 Tampa 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.


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. [2023]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [10/2/2023].

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.