Invasion

Invasion Description

1st Record: Florence/OR/Siuslaw River ('~1880, Introduced about 40 years ago' (1880?) Edmondson 1920, cited by Carlton 1979)

Geographic Extent

Florence/OR/Siuslaw River (1920, 'Introduced about 40 years ago' (1880?) Edmondson 1920, cited by Carlton 1979)