| Specimen ID | 157378 |
| 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 Month | 5 |
| Collection Year | 2003 |
| Year Accuracy | Actual |
| Potential Pathway | shipping |
| Status | established |
| Comments | Can be a biofouler on commercial oyster production. |
| Record Type | Personal communication |
| Earliest Record | state |
| Freshwater/Marine | Marine |
