| Specimen ID | 1418915 |
| Group | Plants |
| Genus | Alisma |
| Species | lanceolatum |
| Common Name | lanceleaf water plantain |
| State | CA |
| County | Marin |
| Locality | Redwood Creek, Big Lagoon |
| Mapping Accuracy | Accurate |
| HUC8 Name | Tomales-Drake Bays |
| HUC8 Number | 18050005 |
| HUC10 Name | Drakes Bay-Frontal Pacific Ocean |
| HUC10 Number | 1805000505 |
| HUC12 Name | Redwood Creek-Frontal Pacific Ocean |
| HUC12 Number | 180500050506 |
| Map | |
| Collection Day | 16 |
| Collection Month | 8 |
| Collection Year | 2017 |
| Year Accuracy | Actual |
| Potential Pathway | escaped captivity | 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 |
| Number Collected | 2 |
| Year Class | Flower |
