Invasion

Invasion Description

1st Records: WA/Stackpole Slough, Willapa Bay (1953, Scagel 1956); Oysterville/ WA/Willapa Bay (1953, Scagel 1956)

Geographic Extent

WA/Stackpole Slough, Willapa Bay (1953, Scagel 1956; 2000, Cohen et al. 2001); Oysterville/ WA/Willapa Bay (1953, Scagel 1956)