Purple sponge ? on C. rupestris

Purple sponge ? on C. rupestris

Observation - Purple sponge ? on C. rupestris - UK and Ireland. Description: Collected at the Coastwise bioblitz. This purple mass is encircling the branches of Cladophora rupestris.

Collected at the Coastwise bioblitz. This purple mass is encircling the branches of Cladophora rupestris.