| Specimen ID | 259328 |
| Group | Plants |
| Genus | Egeria |
| Species | densa |
| Common Name | Brazilian waterweed |
| State | CA |
| County | San Joaquin |
| Locality | Fourteen Mile Slough, islands in Sacramento-San Joaquin Delta |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Joaquin Delta |
| HUC8 Number | 18040003 |
| HUC10 Name | Fivemile Creek-San Joaquin River |
| HUC10 Number | 1804000305 |
| HUC12 Name | Fivemile Creek-San Joaquin River |
| HUC12 Number | 180400030504 |
| Map | |
| Collection Day | 30 |
| Collection Month | 10 |
| Collection Year | 1999 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 10714 |
| Author: | Mishler, B. |
| Date: | 2025 |
| Title: | Jepson Herbarium (JEPS)
|
| Publisher: | University of California |
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| Comments | Common along the edge of almost every slough and channel in the Delta |
| Record Type | Literature |
| Earliest Record | locale |
| Museum Cat Number | CDA18617 |
| Freshwater/Marine | Freshwater |
