Porphyra purpurea

Porphyra purpurea is a medium sized marine algae in the Division Rhodophyta.

Porphyra purpurea
Porphyra purpurea herbarium sheet
Scientific classification
(unranked): Archaeplastida
Division: Rhodophyta
Class: Bangiophyceae
Order: Bangiales
Family: Bangiaceae
Genus: Porphyra
Species:
P. purpurea
Binomial name
Porphyra purpurea
(Roth) C. Agardh

Description

This red algae consists of a single membranous layer of cells forming a blade attached by a disk holdfast. It grows to a length of 20 to 50 cm long.[1][2] The blade has the texture of a thin polythene sheet.[3]

Habitat

Littoral, growing on rock, pebbles, limpets and barnacles.[4]

Distribution

Recorded from Canada and Europe.[5] Common in Great Britain, Ireland and Isle of Man.[4]

References
  1. Smith, G.M. 1955. Cryptogamic Botany. Volume 1 Algae and Fungi. Second Edition. p298. McGraw-Hill Book Company,Inc
  2. Newton, L. 10931. A Handbook of the British Seaweeds. London, British Museum
  3. Jones, W.E. 1962. A Key to the genera of British seaweeds. Field Studies. Volume 1 (4) pp. 1 - 32
  4. Hardy, F.G. and Guiry, M.D. 2003. A Checklist and Atlas of the Seaweeds of Britain and Ireland. British Psychological Society ISBN 0-9527115-16
  5. Morton, O. 2003.no 27. The marine macroalgae of County Donegal, Ireland. Bulletin of Irish biogeographical Society
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