Ceramiales
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Ceramiales is an order of red algae. It was established by Friedrich Oltmanns in 1904.
Acrosorium uncinatum
Florideophyceae
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Florideophyceae is a class of exclusively multicellular red algae. They were once thought to be the only algae to bear pit connections, but these have since been found in the filamentous stage of the
A Laurencia red alga from Hawaii