Invasion

Invasion Description

1st Record: Marshall/CA/Tomales Bay 7/20/2011, Hughey 2013, 38°09'42.70"N, 122°53'37.54"W)

Geographic Extent

Marshall/CA/Tomales Bay 7/20/2011, Hughey 2013, 38°09'42.70"N, 122°53'37.54"W, covering the shoreline on rocks and on shells in the upper intertidal)