Epiphytic red alga on Knotted wrack

Epiphytic red alga on Knotted wrack

Observation - Epiphytic red alga on Knotted wrack . Description: Masses of these tufts of red alga growing on Knotted wrack on a Devon shore.

Masses of these tufts of red alga growing on Knotted wrack on a Devon shore.