Invasion

Invasion Description

None

Geographic Extent

Bourne/MA/Pocasset River, Buzzards Bay (Pettibone 1977); Marthas Vineyard/MA/James Pond, Vineyard Sound (Pettibone 1953); West Harwich/MA/Nantucket Sound (Pettibone 1977); Ossining/NY/Hudson River Estuary (Pettibone 1977); NJ/Saltmarshes (Coastal Bays); DE/Indian River (Pettibone 1977); salt marsh North of Ocean City/MD/Assawoman Bay (Pettibone 1977); Benedict/MD/Patuxent River (Pettibone 1977); VA/Mahadoc Creek (Pettibone 1977)