Species of alga
Porphyra purpurea is a species of red algae in the order Bangiales .
Description
This red alga 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
They are 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
^ Smith, G.M. 1955. Cryptogamic Botany. Volume 1 Algae and Fungi. Second Edition. p298. McGraw-Hill Book Company,Inc
^ Newton, L. 10931. A Handbook of the British Seaweeds. London, British Museum
^ Jones, W.E. 1962. A Key to the genera of British seaweeds. Field Studies. Volume 1 (4) pp. 1 - 32
^ a b 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
^ Morton, O. 2003.no 27. The marine macroalgae of County Donegal, Ireland. Bulletin of Irish biogeographical Society