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Diagnostic features

Filaments arranged with a central stem supporting whorls/tufts of fine, branching filaments. Often pink but may also be blue-green, purple, brown or yellow. Distinguished from Draparnaldia (green alga) by colour, and having less branched secondary filaments.

Typical habitats

Common in slow-flowing streams, especially shady sites.


Kingdom Plantae
Phylum Rhodophyta
Class Florideophyceae
Order Batrachospermales
Family Batrachospermaceae
Common name Red algae