Alternanthera philoxeroides
Alternanthera philoxeroides
(alligatorweed)
Plants
Exotic
Collection Info
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79 results for Alternanthera philoxeroides (alligatorweed)
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Page:1234
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1321171 ALJeffersonWaste area around RR tracks and gantry cranes, Birmingport [Road] on the banks of the Black Warrior River1975 03160111 Locustestablished
1725680 CALos AngelesRio Hondo Settling Basin.1975 18070105 Los Angeles 
247677 CATulareGoshen1975 18030007 Upper Kaweahestablished
247676 CATulareIvanhoe1975 18030007 Upper Kaweahestablished
247675 CATularePorterville1975 18030006 Upper Tuleestablished
247674 CATulareTulare1975 18030007 Upper Kaweahestablished
1440903 CATulareVicinity of Goshen. Detection report only, no confirming specimen.1975 18030007 Upper Kaweahestablished
1437089 CATulareVicinity of Goshen. Detection report only, no confirming specimen.1975 18030007 Upper Kaweahestablished
1441533 CATulareVicinity of Ivanhoe. Detection report only, no confirming specimen.1975 18030007 Upper Kaweahestablished
1436110 CATulareVicinity of Ivanhoe. Detection report only, no confirming specimen.1975 18030007 Upper Kaweahestablished
1437181 CATulareVicinity of Ivanhoe. Detection report only, no confirming specimen.1975 18030007 Upper Kaweahestablished
1435983 CATulareVicinity of Ivanhoe. Detection report only, no confirming specimen.1975 18030007 Upper Kaweahestablished
1435969 CATulareVicinity of Ivanhoe. Detection report only, no confirming specimen.1975 18030007 Upper Kaweahestablished
1435956 CATulareVicinity of Ivanhoe. Detection report only, no confirming specimen.1975 18030007 Upper Kaweahestablished
1440842 CATulareVicinity of Porterville. Detection report only, no confirming specimen.1975 18030006 Upper Tuleestablished
1440841 CATulareVicinity of Porterville. Detection report only, no confirming specimen.1975 18030006 Upper Tuleestablished
1440920 CATulareVicinity of Porterville. Detection report only, no confirming specimen.1975 18030006 Upper Tuleestablished
1440688 CATulareVicinity of Porterville. Detection report only, no confirming specimen.1975 18030006 Upper Tuleestablished
1440458 CATulareVicinity of Tulare. Detection report only, no confirming specimen,1975 18030006 Upper Tuleestablished
1440843 CATulareVicinity of Tulare. Detection report only, no confirming specimen.1975 18030007 Upper Kaweahestablished
1440922 CATulareVicinity of Tulare. Detection report only, no confirming specimen.1975 18030007 Upper Kaweahestablished
1440901 CATulareVicinity of Tulare. Detection report only, no confirming specimen.1975 18030007 Upper Kaweahestablished
1440459 CATulareVicinity of Tulare. Detection report only, no confirming specimen.1975 18030007 Upper Kaweahestablished
1440923 CATulareVicinity of Tulare. Detection report only, no confirming specimen.1975 18030007 Upper Kaweahestablished
1440845 CATulareVicinity of Tulare. Detection report only, no confirming specimen.1975 18030007 Upper Kaweahestablished
Page:1234

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.

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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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/22/2026].

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