Description: An erect frond arising from a discoid holdfast to lengths of 20 or 30 cms and a diameter of about 2 mm. Branches irregular, the whole thallus soft, gelatinous and easily squashed. Composed of whorls of fine short filaments repeatedly branched.
Habitat: Uncommon. Generally epilithic from the upper sublittoral to over 13 m depth.
Text source: Habitas.org