Alternanthera philoxeroides
Alternanthera philoxeroides

39 results for Alternanthera philoxeroides (alligatorweed)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1676357 VAChesapeake[No locality description provided]2021 02080208 Hampton Roads 
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
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 
1654690 VAHampton271 S Farm House Ln, Hampton, VA 23669, USA2018 02080108 Lynnhaven-Poquosonestablished
235550 VAHamptonGosnolds Hope Park, in drainage ditches near bike track1996 02080108 Lynnhaven-Poquosonestablished
1420946 VAIsle of WightBlackwater River, S of Pond B-22017 03010202 Blackwaterestablished
1420955 VAIsle of Wightconnection between Pond B-2 and Blackwater River2017 03010202 Blackwaterestablished
235548 VAIsle of WightCultivated field in Isle of Wight County1957  collected
233797 VAIsle of WightIsle of Wight1997 02080208 Hampton Roadsestablished
235547 VAIsle of WightSmithfield1956 02080206 Lower Jamescollected
232008 VAJames CityJames City County1997 02080206 Lower Jamesestablished
235551 VANewport NewsDrainage area near intersection of Todds Lane [Main st] and Beech Drive near elementary school.1992 02080206 Lower Jamesestablished
235555 VANewport NewsLake Biggins, where small bridge leads to playground on grounds of Huntington Park off Warwick Blvd.2000 02080206 Lower Jamesestablished
235554 VANorfolkLake Whitehurst, at W end of statuary vista, N of picnic grounds within Norfolk Botanical Gardens1992 02080108 Lynnhaven-Poquosonestablished
1725654 VANorfolkNorfolk Botanical Gardens shorline of Lake Whitehurst at W end of statuary vista. N of picnic grounds..1992 02080108 Lynnhaven-Poquoson 
1397788 VANorfolk cityLake Whitehurst City Resevior2014 02080108 Lynnhaven-Poquosonunknown
1725652 VAPortsmouthDouglas Rd. near Rt. 171990 02080208 Hampton Roads 
1420948 VASouthamptonBlackwater River at N side of Georges Bend2017 03010202 Blackwaterestablished
1420953 VASouthamptonBlackwater River, at bend near Daniels Drive2017 03010202 Blackwaterestablished
1420954 VASouthamptonBlackwater River, at junction of Nottoway and Chowan Rivers2017 03010203 Chowanestablished
1420945 VASouthamptonBlackwater River, at US-58, Suffolk2017 03010202 Blackwaterestablished
1420956 VASouthamptonBlackwater River, downstream of Georges Bend2017 03010202 Blackwaterestablished
1420950 VASouthamptonBlackwater River, E of Daniels Drive2017 03010202 Blackwaterestablished

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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [6/19/2024].

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