AppearanceThis brown marine algae grows solitary to 2 m long. It is densely branched. The branches are terete and grow from a bulbous holdfast. The main axis is distinct and grows is 1 mm wide, the final branches fine and hair-like.
DistributionCommon around Ireland,Great Britain and the Isle of Man.
Habitat''D. viridis'' is generally epilithic in shaded places in the lower littoral.
ReproductionSporangia are produced scattered on the surface of the frond, they are a little larger and darker than the vegetative cells surrounding it.
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