Ceramium strictum

Ceramium strictum is a small marine red alga.
Description.
This alga grows in tufts to a length of no more than 12 cm long. It is densely branched but not completely corticate appearing to have a banded or collar-like appearance. The apices of the axes are strongly inrolled. The branches do not have spines. Rhizoids are numerous.
Reproduction.
Cystocarps containing carposporangia and tetrasporangia are borne on the erect thalli.
Habitat.
Epiphytic on other algae and mussels in the littoral.
Distribution.
Southern and western coasts of England and Ireland.In Europe from Norway to France and the Azores.
Nomenclature.
The validity of the name "Ceramium strictum" is as yet unsure.