Alternanthera philoxeroides
Alternanthera philoxeroides

19 results for Alternanthera philoxeroides (alligatorweed)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1524321 NCCurrituck[Currituck Heritage Park]2016 03010205 Albemarleestablished
1524320 NCCurrituck[MacKay Island National Wildlife Refuge]2018 03010205 Albemarleestablished
1616791 NCCurrituck[No locality description provided]2018 03010205 Albemarleestablished
1524322 NCCurrituckMackay Island National Wildlife Refuge2018 03010205 Albemarleestablished
1616795 NCDare[No locality description provided]2018 03010205 Albemarleestablished
1616788 NCDare[No locality description provided]2018 03010205 Albemarleestablished
230314 NCDareAlligator River1996 03010205 Albemarleestablished
1462337 NCDareDare county2018 03010205 Albemarleestablished
1546619 NCPasquotankman-made channel with steep banks [along River Rd.]2019 03010205 Albemarleestablished
230315 NCPasquotankPasquotank River1996 03010205 Albemarleestablished
1522805 NCTyrrell[Gum Neck, W of Alligator River]2018 03010205 Albemarleestablished
1616830 NCTyrrell[No locality description provided]2012 03010205 Albemarleestablished
1616817 NCTyrrell[No locality description provided]2018 03010205 Albemarleestablished
1522804 NCTyrrell[Scuppernong River at Columbia]2018 03010205 Albemarleestablished
1546620 NCTyrrell[Scuppernong River, Pocosin Lakes National Wildlife Refuge]2019 03010205 Albemarleestablished
1396319 NCTyrrellAlligator River, Mid-Atlantic Coastal Waters Area2011 03010205 Albemarleestablished
1396099 NCTyrrellGum Neck-Alligator River, Wetlands Reserve Program2011 03010205 Albemarleestablished
230317 NCTyrrellScuppernong River.1996 03010205 Albemarleestablished
233966 NCTyrrellTyrrell County1968 03010205 Albemarleestablished

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. [2020]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [8/7/2020].

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 queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.