Invasion

Invasion Description

1st Record: Augusta/ME/private pond on Bond Brook, Kennebec River (1880s, Kennebec River Council 1999), 1st Record: MA/fish ponds (Hartel 2002)

Geographic Extent

ME/Augsta Dam to Kennebec River-Merrymeeting Bay (1880s, Kennebec River Council 1999), MA/Merrimack River (Peterson 1975; Hartel 2002)