Invasion

Invasion Description

 1st Record: NH/Great Bay (1966, Hofman et al. 2010, in algal collections, initially identified as U. lactuca);

Geographic Extent

Little Augusta Boat Ramp. Whiting/ME/Holmes Bay (11/22/2009, Macroalgal Herbarium Consortium 2023, as U. laetevirens)); NH/Great Bay (1966, Hofman et al. 2010, in algal collections, initially identified as U. lactuca); Fort Stark, Portsmouth/NH/Great Bay (2008, Hofman et al. 2010, 430303200N; 704204500W); South Mill Pond/NH/Great Bay (2008, Hofman et al. 2010); 430401900N; 704502000W); Dover Point/NH/Great Bay (2008, Hofman et al. 2010, 430700700N; 704904200W); Adams Point/NH/Great Bay (2008, Hofmann et al. 2010, 430504300N; 705100800W)