Invasion

Invasion Description

1st Records: Fort Williams State Park, Cape Elizabeth/ME/Casco Bay (2012, Newton et al. 2013)

Geographic Extent

Fort Williams State Park, Cape Elizabeth/ME/Casco Bay (2012, Newton et al. 2013); Port Harbor Marina, Portland/ME/Casco Bay (Commonwealth of Massachusetts, Executive Office of Energy and Environmental Affairs, Office of Coastal Zone Management 2020); Brewers Freeport Marina (2018, Commonwealth of Massachusetts, Executive Office of Energy and Environmental Affairs, Office of Coastal Zone Management 2020);