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DescriptionUp to 30 cm in length, Dictyopteris membranacea superficially resembles the Fucus species but is much more delicate. The frond is thinner (up to 15 cm wide), membranous and dotted with numerous clusters of tiny hairs. It is yellowish in colour when juvenile, growing darker brown with age. Newly collected specimens have an unpleasant odour.Can be distinguished from Dictyota dichotoma by its larger size and the presence of a midrib.