Red alga
- kingdom: Plantae
- phylum: Rhodophyta
- class: Bangiophyceae
- order: Bangiales
- family: Bangiaceae
- genus: Porphyra
- species: Porphyra dioica
Nortorf
Schleswig-Holstein
Germany
Antrim
Northern Ireland- Arbroath
- Balintore
- Coylton
- Port Erroll
- Saint Andrews
Scotland
United Kingdom