Alternanthera philoxeroides
Alternanthera philoxeroides
(alligatorweed)
Plants
Exotic

23 results for Alternanthera philoxeroides (alligatorweed)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1438068 CALos AngelesArtesia Freeway and Long Beach Freeway N of Long Beach. Detection report only, no confirming specimen.1971 18070105 Los Angelesunknown
1438314 CALos AngelesArtesia Freeway and Long Beach Freeway N of Long Beach. Detection report only, no confirming specimen.1971 18070105 Los Angelesunknown
1438231 CALos AngelesArtesia Freeway and Long Beach Freeway N of Long Beach. Detection report only, no confirming specimen.1971 18070105 Los Angelesunknown
247657 CALos AngelesBell Gardens1960 18070105 Los Angelescollected
1438418 CALos AngelesE bank of Rio Hondo at San Gabriel Blvd.1956 18070105 Los Angelesunknown
1438417 CALos AngelesE of Montebello, N of Whittier Narrows Dam on E bank of Rio Hondo.1965 18070105 Los Angelesunknown
247665 CALos AngelesEast Los Angeles; Cummings St & Zonal Ave1970 18070105 Los Angelescollected
1438377 CALos AngelesLA County Hospital at Commings & Zonal Ave. Detection report only, no confirming specimen.1970 18070105 Los Angelesunknown
1438194 CALos AngelesLA County Hospital at Commings & Zonal Ave. Detection report only, no confirming specimen.1970 18070105 Los Angelesunknown
1438413 CALos AngelesLA County Hospital at Commings & Zonal Ave. Detection report only, no confirming specimen.1970 18070105 Los Angelesunknown
1438331 CALos AngelesLA County Hospital at Commings & Zonal Ave. Detection report only, no confirming specimen.1970 18070105 Los Angelesunknown
1438383 CALos AngelesLos Angeles Basin region; San Gabriel Valley, Rio Hondo at San Gabriel Boulevard1946 18070105 Los Angelesunknown
247669 CALos AngelesNorth Long Beach; Artesia & Long Beach Fwys1971 18070105 Los Angelescollected
233994 CALos AngelesRio Hondo1946 18070105 Los Angelescollected
247654 CALos AngelesRio Hondo, under San Gabriel Blvd bridge1956 18070105 Los Angelesestablished
1438336 CALos AngelesRio Hondo, under San Gabriel Blvd bridge near Rosemead Blvd intersection.1956 18070105 Los Angelesunknown
247655 CALos AngelesRosemead1960 18070105 Los Angelesestablished
1438335 CALos AngelesSan Gabriel River watershed: Whittier Narrows.1965 18070105 Los Angelesunknown
1438198 CALos AngelesSan Gabriel Valley, Rio Hondo River, in the Whittier Narrows1965 18070105 Los Angelesunknown
1438382 CALos AngelesSan Gabriel Valley, Whittier Narrows1965 18070105 Los Angelesunknown
1438199 CALos AngelesSan Gagriel River watershed: Whittier Narrows (El Monte 7.5' Q.)1965 18070105 Los Angelesunknown
247658 CALos AngelesWhittier Narrows1965 18070105 Los Angelescollected
247659 CALos AngelesWhittier Narrows, Rio Hondo, Whittier1965 18070105 Los Angelescollected

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. [2019]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [7/18/2019].

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.