Ulva or Sea LettuceUlva intestinalis or crinkled form of sea lettuceSea lettuce, Warren Westrup with Dr. Bob Vadas behindRockweed, a brown algaeRockweed presented by Dr. Bob VadasSea noodle, surrounded by sea lettucepaper-thin NoriSugar kelp, presented by Aiden Coxsugar kelp holdfast
