Polysiphonia nigra

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Polysiphonia nigra (Hudson) Batters is species of marine alga in the Division Rhodophyta.

Description

P.nigra is a relatively small red algae which grows to a height of 20 or 30 cm. It consists of tufts of branched axes. The branches are cylindrical and erect, each consisting of an axial cell surrounded by periaxial cells in a collar all of the same length generally 9 - 13 in number.[1]

References

  1. ^ Maggs, C.A. 1993. Seaweeds of the British Isles Volume 1 Rhodophyta Part 3A Ceramiales The Natural History Museum, London
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