Invasion

Invasion Description

1st Record: Near Chilliwack/Briitsh Columbia/Popham Creek, Fraser River drainage (1940, Carl et al. 1967; Carl and Giguet 1972)

Geographic Extent

Near Chilliwack/British Columbia/Popham Creek, Fraser River drainage (1940, Carl et al. 1967; Carl and Giguet 1972); Mission/British Columbia/Hatzic Lake (1940, Carl et al. 1967; Carl and Giguet 1972; Richardson et al. 2000)