| Specimen ID | 252809 |
| Group | Tunicates |
| Genus | Didemnum |
| Species | vexillum |
| Common Name | a colonial sea squirt |
| State | CA |
| County | Marin |
| Locality | Tomales Bay (just north of San Francisco) |
| Mapping Accuracy | Accurate |
| HUC8 Name | Tomales-Drake Bays |
| HUC8 Number | 18050005 |
| HUC10 Name | Tomales Bay-Bodega Bay |
| HUC10 Number | 1805000503 |
| HUC12 Name | Tomales Bay |
| HUC12 Number | 180500050304 |
| Map | |
| Collection Year | 2001 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 24102 |
| Author: | Cohen, A.N. |
| Date: | 2011 |
| Title: | The Exotics Guide: Non-native Marine Species of the North American Pacific Coast. |
| Publisher: | Center for Research on Aquatic Bioinvasions |
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| Record Type | Literature |
| Freshwater/Marine | Marine |
