What is wrack seaweed?
Wrack is part of the common names of several species of seaweed in the family Fucaceae. … It consists largely of species of Fucus — brown seaweeds with flat branched ribbon-like fronds, characterized in F. serratus by a saw-toothed margin and in F. vesiculosus, another common species, by bearing air-bladders. Is wrack seaweed edible? Spiral…