Invasion

Invasion Description

1st Record: Nahcotta Small Boat Basin)/WA/Willapa Bay (1979, Carlton 1979)

Geographic Extent

Nahcotta Small Boat Basin)/WA/Willapa Bay (1979, Carlton 1979); Nahcotta Small Boat Basin/WA/Willapa Bay 22 May 2000, Cohen et al. 2001, 46° 30’ 02.348” N; 124° 01’ 50.635); Wilson Point/WA/Willapa Bay 1 May 2000, Cohen et al. 2001, 46° 38’ 57.879” N; 123° 57’ 09.608”; WA/Stackpole Slough, Willapa Bay, 22 May 2000, Cohen et al. 2001)