Invasion
Invasion Description
1st Record: Westport/WA/Grays Harbor (MacDonald 1969, cited by Carlton 1979)
Geographic Extent
Westport/WA/Grays Harbor (MacDonald 1969, cited by Carlton 1979); WA/Grays Harbor (1976, Carlton 1979)
Vectors
Level | Vector |
---|---|
Alternate | Dry Ballast |
Alternate | Oyster Accidental |
Alternate | Cargo |