See also : [[Sea vegetables]]<br>
Kelp, Black-tang, Bladder,Bladder fucus,Sea wrack, Blasen-tang, Brown algae, Common seawrack, Cut weed, Dyers fucus,Edible seaweed, Fucoidan,Black tang, Rockweed, Kelp-ware, Quercus marina, Cutweed,Blasentang, Seetang.
Bladderwrack is perennial that matures on the northern coasts of the Atlantic & Pacific oceans, the North and Baltic seas and is often washed up on beaches after storms.It is a common algae in the shape of long ribbons, about 1 meter long and 5cm across, leathery, shiny, brownish-green or light yellow in colour.The main stem of bladderwrack, called as the thallus, is used for various treatment. The frond at the bottom is fan-shaped, narrow & strap-shaped , the rest flat and leaf-like in shape, wavy, many times parted into 2 with erect divisions contain a strong, broad, compressed midrib running to the apex.