Vertebrata simulans (Polysiphonia simulans) HarveySeaweeds of the British Isles. Volume 1V Rhodophyta, part 3A Ceramiales. The Natural History Museum, London. is a small densely branched alga in the Division Rhodophyta.
Description This small marine algae grows to a height of no more than 8 cm. the branches are dense forming tufts. It does not show a clear main axis. The central axes is surrounded by 10 to 12 pericentral cells all of the same length and is without cortication. The branches are irregularly arranged.
Habitat Generally epiphytic at the low littoral.
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