| 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: | Mishler, B. |
| Date: | 2025 |
| Title: | Jepson Herbarium (JEPS)
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| Publisher: | University of California |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
