Invasion

Invasion Description

1st Record: Quonochontaug Central Beach, Charlestown/RI/Block Island Sound (2009, Schneider 2010, plants washed up on beach after tropical storm 'Bill')

Geographic Extent

Quonochontaug Central Beach, Charlestown/RI/Block Island Sound (2009, Schneider 2010); Watch Hill/RI/Block Island Sound (2009, Schneider 2010); Misquamicut/RI//Block Island Sound (2009, Schneider 2010); Point Judith/RI/Block Island Sound (2009, Schneider 2010); not found at other sampled sites, from Stonington CT to Sakonnet Point, RI (Schneider 2010); Southern Light, Block Island/RI/Atlantic Ocean (2012, Newton et al. 2013); Point Judith Marina, Wakefield/RI/Point Judith Pond (2010, 2013, Mathieson et al. 2016, 41 23 14 N, 71 31 20W )