Ceramium nodulosum

Ceramium nodulosum is a small red marine alga. There is confusion surrounding this name.[1]

Ceramium nodulosum
Scientific classification
(unranked): Archaeplastida
Division: Rhodophyta
Class: Florideophyceae
Order: Ceramiales
Family: Ceramiaceae
Genus: Ceramium
Species:
C. nodulosum
Binomial name
Ceramium nodulosum
(Lightfoot) Ducluzeau

Description

Ceramium nodulosum is a small filamentous branching alga growing to a height of 30 cm in tufts of erect branches usually fully corticate. The apices of main axes are straight or slightly curled inward at the tips. It attached by a rhizoids with many erect branches. The axes and branches are usually fully corticate and, unlike some other species, it is without spines.[1]

Reproduction

Gametophytes are dioecious. Cystocarpes and tetrasporasngia are formed on the branches.[1]

Distribution

Generally found around Great Britain and Ireland.[1]

Nomenclature

There is some confusion with this name. As described above the species is Ceramium nodulosum (Lightfoot) Ducluzeae. [1] The species Ceramium virgatum Roth is noted as a possible synonym elsewhere.[2]

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, London ISBN 0-11-310045-0
  2. Hardy, F.G. and Guiry, M.D. 2003 A Checklist and Atlas of the Seaweeds of Britain and Ireland. The British Phycological Society ISBN 0-9527115-16
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