| Specimen ID | 1418839 |
| Group | Plants |
| Genus | Ludwigia |
| Species | hexapetala |
| Common Name | six petal water primrose |
| State | CA |
| County | Contra Costa |
| Locality | Big Break, off San Joaquin River |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Joaquin Delta |
| HUC8 Number | 18040003 |
| HUC10 Name | Kellogg Creek-Big Break |
| HUC10 Number | 1804000308 |
| HUC12 Name | Dutch Slough-Big Break |
| HUC12 Number | 180400030803 |
| Map | |
| Collection Day | 3 |
| Collection Month | 9 |
| Collection Year | 2017 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker | dispersed |
| Status | established |
| Reference 1 |
| Ref. Number: | 25610 |
| Author: | Calflora |
| Date: | 2021 |
| Title: | The Calflora Database: Information on California plants for education, research and conservation |
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| Comments | Calflora report |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
| Year Class | Flower |
| Photo | |
