Saccharina cichorioides

Thallus blade-like, broadly linear, linear-lanceolate, thick-coriaceous, smooth, 1.5-4 m long, 10-30 cm broad, olive-brown, brown. Stipe cylindrical or slightly compressed at base, compressed above, to 7 mm in diam., and to 10 cm long. The blade with roundish base and with two rows of bullae along the middle line. Margins thin, curled or undulate. Mucilage ducts present in blade and stipe. Sporangial sori in patches develop on both surfaces of thallus and do not coincide in outline. Attachment by rhizoids. Growing on rocky, stony with sand and shells, on muddysandy bottom with stones, below low tide mark to 10-12(-20) m depth, in sheltered and moderately exposed shores.

Temperate latitudes of the Asian coast of Pacific Ocean (the Okhotsk Sea, the Sea of Japan). Common in countries of the Asia-Pacific Region: Japan, Korea and Russia.