Polysiphonia foetidissima
# Polysiphonia foetidissima

Polysiphonia foetidissima Cocks ex Bornet (also known as Vertebrata foetidissima) is small red marine alga in the Rhodophyta.

## Description

Polysiphonia foetidissima grows in dense branching tufts to a length of 11 cm. The fine erect branches have a central axis surrounded by 7 or 8 pericentral cells all of the same length. Rhizoids are produced from the pericentral cells. Trichoblasts are numerous.

## Reproduction

Tetrasporangia are formed in the branches.

## Distribution

Only recorded twice from Ireland and Great Britain. Further records are from France, Portugal, the Mediterranean and Bermuda.

