Polysiphonia simulans explained

Polysiphonia simulans is a small marine alga in the division Rhodophyta.

Description

This small alga is no more than 8 cm long. It appears as a tuft of irregularly branched erect axes. The branches show 10 periaxial cells forming a collar around a central axis without cortication. The pericentral cells are all of the same length. Rhizoids are attached to the lower periaxial cells.[1]

Reproduction

Tetraspores have been recorded in the final branches.

Distribution

Recorded from the south coast of England, Ireland and the Channel Islands. Also recorded from north-west France.[1] [2] Occurs southwards to Morocco.[3]

Notes and References

  1. Maggs, C.A. and Hommersand, M.H. 1993. Seaweeds of the British Isles Volume 1 Rhodophyta Part 3A Ceramiales. The Natural History Museum.
  2. Morton, O. 2003. The marine macroalgae of County Donegal, Ireland. Bulletin of Irish biogeographical Society no.27 3 - 164.
  3. Hardy, F.G. and Guiry, M.D.2003. A Check-list and Atlas of the Seaweeds of Britain and Ireland. The British Phycological Society

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