| Specimen ID | 233995 |
| Group | Plants |
| Genus | Alternanthera |
| Species | philoxeroides |
| Common Name | alligatorweed |
| State | CA |
| County | Los Angeles |
| Locality | Puddingstone Reservoir |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Gabriel |
| HUC8 Number | 18070106 |
| HUC10 Name | Walnut Creek |
| HUC10 Number | 1807010604 |
| HUC12 Name | Big Dalton Wash |
| HUC12 Number | 180701060402 |
| Map | |
| Collection Day | 17 |
| Collection Month | 8 |
| Collection Year | 1990 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 10714 |
| Author: | Regents of the University of California |
| Date: | 2015 |
| Title: | Jepsen online interchange for California floristics. |
| Publisher: | University and Jepson Herbaria, University of California, Berkeley. |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
