| Specimen ID | 1633986 |
| Group | Plants |
| Genus | Juncus |
| Species | effusus |
| Subspecies | solutus |
| Common Name | lamp rush |
| State | CA |
| County | Marin |
| Locality | Highway 101 northbound at Corte Madera on ramp |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Pablo Bay |
| HUC8 Number | 18050002 |
| HUC10 Name | San Francisco Bay |
| HUC10 Number | 1805000210 |
| HUC12 Name | Angel Island-San Francisco Bay Estuaries |
| HUC12 Number | 180500021001 |
| Map | |
| Collection Day | 29 |
| Collection Month | 11 |
| Collection Year | 2018 |
| 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: po120577 |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
