Alternanthera philoxeroides
Alternanthera philoxeroides
(alligatorweed)
Plants
Exotic
Collection Info
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115 results for Alternanthera philoxeroides (alligatorweed)
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Page:12345
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1890753 VAAlexandria[No locality description provided]2025 02070010 Middle Potomac-Anacostia-Occoquan 
1745630 VAArlington[No locality description provided]2020 02070010 Middle Potomac-Anacostia-Occoquan 
1751672 VAArlington[No locality description provided]2024 02070010 Middle Potomac-Anacostia-Occoquan 
1751673 VAArlington[No locality description provided]2024 02070010 Middle Potomac-Anacostia-Occoquan 
1889637 VAArlington[No locality description provided]2025 02070010 Middle Potomac-Anacostia-Occoquan 
1890153 VAArlington[No locality description provided]2025 02070010 Middle Potomac-Anacostia-Occoquan 
1889402 VAArlington[No locality description provided]2025 02070010 Middle Potomac-Anacostia-Occoquan 
1891621 VAArlington[No locality description provided]2025 02070010 Middle Potomac-Anacostia-Occoquan 
1890039 VAArlington[No locality description provided]2025 02070010 Middle Potomac-Anacostia-Occoquan 
1676357 VAChesapeake[No locality description provided]2021 02080208 Hampton Roads 
1748137 VAChesapeake[No locality description provided]2022 03010205 Albemarle 
1749935 VAChesapeake[No locality description provided]2023 02080208 Hampton Roads 
1750017 VAChesapeake[No locality description provided]2023 03010205 Albemarle 
1751608 VAChesapeake[No locality description provided]2024 03010205 Albemarle 
1751789 VAChesapeake[No locality description provided]2024 03010205 Albemarle 
235553 VAChesapeakeDisturbed swamp along south side of Intracoastal Waterway, 0.1 mi E of Rt. 168 Bypass, just NW of Great Bridge.1995 03010205 Albemarleestablished
1877929 VAChesapeake CityKemp Woods stormwater retention pond2025 03010205 Albemarleestablished
1748746 VAFairfax[No locality description provided]2022 02070010 Middle Potomac-Anacostia-Occoquan 
1750334 VAFairfax[No locality description provided]2023 02070010 Middle Potomac-Anacostia-Occoquan 
228725 VAFairfaxFairfax County1997 02070010 Middle Potomac-Anacostia-Occoquanestablished
235546 VAFairfax CityGreen Acres School near G.M.C. [George Mason University] campus1970 02070010 Middle Potomac-Anacostia-Occoquancollected
1674930 VAHampton[No locality description provided]2013 02080108 Lynnhaven-Poquoson 
1889657 VAHampton[No locality description provided]2025 02080108 Lynnhaven-Poquoson 
1892857 VAHampton[No locality description provided]2025 02080208 Hampton Roads 
1654690 VAHampton271 S Farm House Ln, Hampton, VA 23669, USA2018 02080108 Lynnhaven-Poquosonestablished
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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 [12/10/2025].

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.