Seirococcaceae
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The Seirococcaceae are a family of brown algae, containing five genera:
Brown algae
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Brown algae are a large group of photoautotrophic, multicellular SAR comprising the class Phaeophyceae. They include many seaweeds located in colder waters of the Northern Hemisphere. Brown algae are
Two specimens of Laminaria hyperborea, each showing the rootlike holdfast at lower left, a divided blade at upper right, and a stemlike stipe connecting the blade to the holdfast.
Fucus vesiculosus produces numerous gas-filled pneumatocysts (air bladders) to increase buoyancy.
Growth in Dictyota dichotoma occurs at each frond tip, where new cells are produced.