| Specimen ID | 232773 |
| Group | Plants |
| Genus | Ludwigia |
| Species | grandiflora |
| Common Name | large-flower primrose-willow |
| State | CA |
| County | Marin |
| Locality | Marin County |
| Mapping Accuracy | Centroid |
| Centroid Type | County |
| HUC8 Name | San Francisco Bay |
| HUC8 Number | 18050000 |
| Map | |
| Collection Day | 1 |
| Collection Month | 7 |
| Collection Year | 1945 |
| 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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| Comments | CollectorNumber: UC750596 |
| Record Type | Literature |
| Museum Cat Number | Herb/ UC |
| Freshwater/Marine | Freshwater |