Specimen Information

Alternanthera philoxeroides
Alternanthera philoxeroides
(alligatorweed)
Plants
Exotic

Specimen ID1438412
GroupPlants
GenusAlternanthera
Speciesphiloxeroides
Common Namealligatorweed
StateCA
CountyLos Angeles
LocalityBrea Canyon Freeway project, stockpiled sand from Whittier Narrows. Detection report only, no confirming specimen.
Mapping AccuracyAccurate
HUC8 NameSan Gabriel
HUC8 Number18070106
HUC10 NameSan Jose Creek
HUC10 Number1807010605
HUC12 NameLower San Jose Creek
HUC12 Number180701060502
Map
+
Collection Day3
Collection Month9
Collection Year1970
Year AccuracyActual
Potential Pathwayunknown
Statusunknown
Reference 1
Ref. Number:25610
Author:West, R., J. Malpas, C. Powell, M. Tollett, D. Anderson, and E. Dorrington.
Date:2019
Title:Calflora
Comments; Calflora report
Record TypeLiterature
Freshwater/MarineFreshwater
Number Collected5


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. [2019]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [8/23/2019].

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.