Invasion

Invasion Description

1st Record: OR-WA/Columbia River Estuary (1994. Sytsma et al. 2004)

Geographic Extent

OR-WA/Columbia River Estuary (1994, Sytsma et al. 2004); Wallooskea/OR/Youngs River [46.1449, -123.8138, Sytsma et al. 2004]; Ilwaco/WA/Columbia River estuary [46.3025, -124.0366, Sytsma et al. 2004]; WA/Lewis and Clark River [46.1352, -123.8722] Systma et al. 2004)