Invasion
Invasion Description
1st Record: Marin County/CA/Bolinas Lagoon (1969, as H. cf. filiformis, Light 1969, cited by Carlton 1979)
Geographic Extent
Marin County/CA/Bolinas Lagoon (1969, as H. cf. filiformis, Light 1969, cited by Carlton 1979)
Vectors
| Level | Vector |
|---|---|
| Alternate | Oyster Accidental |
| Alternate | Ballast Water |