Polysiphonia simulans

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]

References

^ ^a ^b Maggs, C.A. and Hommersand, M.H. 1993. Seaweeds of the British Isles Volume 1 Rhodophyta Part 3A Ceramiales. The Natural History Museum. ISBN 0-11-310045-0
^ Morton, O. 2003. The marine macroalgae of County Donegal, Ireland. Bulletin of Irish biogeographical Society no.27 3 - 164.
^ Hardy, F.G. and Guiry, M.D.2003. A Check-list and Atlas of the Seaweeds of Britain and Ireland. The British Phycological Society ISBN 0-9527115-16

[Maggs_93-1] Maggs, C.A. and Hommersand, M.H. 1993. Seaweeds of the British Isles Volume 1 Rhodophyta Part 3A Ceramiales. The Natural History Museum. ISBN 0-11-310045-0

[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 ISBN 0-9527115-16

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