Invasion

Invasion Description

1st Record: Great Bar, Jonesport/ME/Gulf of Maine (1950, Glude 1955)

Geographic Extent

Great Bar, Jonesport/ME/Gulf of Maine (1950, Glude 1955); Beal Island/ME/ (Williams et al. 2015, 43.86, 64.82, southenr and northern (Scandinavian) haplotypes))