Invasion

Invasion Description

1st Record: OR/Coos Bay (1959, Mace and Mackie 1970; Carlton 1979)

Geographic Extent

OR/Coos Bay (1959, Mace and Mackie 1970; Carlton 1979) Coos County/OR/Kentuck Slough, Coos Bay (1986, Carlton 1989); Coos County/OR/Larson's Slough, Coos Bay (1988, Carlton 1989); Coos County/OR/Coos River (1988, Carlton unpublished data); Coos County/OR/Isthmus Slough (1989, Carlton 1989)