Alternanthera philoxeroides
Alternanthera philoxeroides

20 results for Alternanthera philoxeroides (alligatorweed)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
232176 TNBentonBenton County1997 06040005 Kentucky Lakeestablished
232170 TNDavidsonDavidson County1997 05130200 Lower Cumberlandestablished
1671569 TNHamblenHamblen County, US-TN, US2017 06010104 Holston 
1397178 TNHardinGammill Slough tributary, in flooded hardwood swamp with open marshy areas.2009 06040001 Lower Tennessee-Beechunknown
232175 TNHardinHardin County1997 06000000 Tennessee Regionestablished
1397113 TNHardinWalker Branch tributary2009 06040001 Lower Tennessee-Beechunknown
1397623 TNHendersonboat ramp area of Sycamore Lake2014 06040001 Lower Tennessee-Beechunknown
232177 TNHenryHenry County1997 06040005 Kentucky Lakeestablished
230305 TNHenryKentucky Lake1982 06040005 Kentucky Lakeestablished
230746 TNHenryKentucky Lake, on the shoreline, by the 5th fairway of Paris Landing State Park Golf Course.1976 06040005 Kentucky Lakeestablished
232172 TNHoustonHouston County1997 06040005 Kentucky Lakeestablished
1400087 TNHumphreysDuck River Unit, Tennessee National Wildlife Refuge2002 06040005 Kentucky Lakeestablished
232173 TNHumphreysHumphreys County1997 06040000 Lower Tennesseeestablished
232169 TNKnoxWest Knoxville, Kingston Pike, Capri Cinema, at rear exit1975 06010201 Watts Bar Lakeestablished
234410 TNKnoxWest Knoxville, rear exit of Capri Cinema on Kingston Pike1975 06010201 Watts Bar Lakeestablished
233805 TNMarionMarion County1997 06000000 Tennessee Regionestablished
232174 TNPerryPerry County1997 06040001 Lower Tennessee-Beechestablished
228724 TNRheaChickamauga Lake Reservoir1982 06020001 Middle Tennessee-Chickamaugaestablished
232178 TNShelbyShelby County1997 Unknown or N/Aestablished
232171 TNStewartStewart County1997  established

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 [9/25/2023].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.