Invasion

Invasion Description

1st record: Nova Scotia/Atlantic Ocean (Taylor 1957)

Geographic Extent

Nova Scotia/Bay of Fundy apporaches, Gulf of Maine (1987, Novaczek and McLachlan 1989); Nova Scotia/inner Bay of Fundy (1987, Novaczek and McLachlan 1989); ; Nova Scotia/Bay of Fundy;Reversing Falls Park, opposite Falls Island, Pembroke/Cobscook Bay (1994, Mathieson et al. 2009); Wilbur Neck, Dennys Bay, Pembroke/ME/Cobscook Bay (1996, Mathieson et al. 2009); Boon Island/ME/Gulf of Maine (Matheison et al. 1996); Harpswell, Bailey I., Giant’s Staircase/ME/Casco Bay (20 Feb 1995, Mathieson & Hehre (NHA # 54321, Mathieson et al. 2008); Cape Elizabeth/ME/Dyers Cove, Casco Bay (2010, Massachusetts Office of Coastal Zone Management 2013); Wells/ME/Wells Harbor (2013, 43 19 12N, 70 33 47 W (2013, Mathieson et al. 2016); Odiorne Point/NH/Gulf of Maine (2010, MacIntyre et al. 2010; Massachusetts Office of Coastal Zone Management 2013); Smuttynose Island, Isles of Shoals/ME/Gulf of Maine (Hehre 1968; Hehre and Mathieson 1970, cited by Mathieson 2008, gametophytes) Star Island (Isles of Shoals)/NH/Gulf of Maine (Matheison et al. 1996); Bald Head Cliff, York/ME/Gulf of Maine (Femino and Mathieson 1980); Ipswich/MA/Gulf of Maine (Webber 1968; Webber and Wilce 1971); Winter Island, Salem/MA/Massachusetts Bay (2010, Massachusetts Office of Coastal Zone Management 2013); Boston Harbor Islands/MA/Boston Harbor(Bell et al. 2005); Sandwich Jetty/MA/Cape Cod Bay (Sears 1971; Sears and Wilce 1975, cited by Mathieson 2008)