The brownish-green alga bladderwrack can grow up to 1 meter (3 feet) in length. Its flat, air bladder-containing fronds are typically forked.
Bladderwrack has been utilized as a fuel, a source of iodine and potash, and winter livestock feed.
Bladderwrack is harvested year-round and indigenous to the North Atlantic and the western Mediterranean coastlines.
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