| Specimen ID | 1634014 |
| Group | Plants |
| Genus | Apium |
| Species | nodiflorum |
| Common Name | European marshwort |
| State | CA |
| County | Alameda |
| Locality | In shallow portions of creek and alongside |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Pablo Bay |
| HUC8 Number | 18050002 |
| HUC10 Name | Corte Madera Creek-Frontal San Fransisco Bay Estuaries |
| HUC10 Number | 1805000209 |
| HUC12 Name | Cerrito Creek-Frontal San Francisco Bay Estuaries |
| HUC12 Number | 180500020904 |
| Map | |
| Collection Day | 24 |
| Collection Month | 1 |
| Collection Year | 2019 |
| Year Accuracy | Actual |
| Potential Pathway | 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 observation ID: io7417 |
| Record Type | Literature |
| Verifier | Ian Pfingsten |
| Freshwater/Marine | Freshwater |
