Red seaweed
- kingdom: Plantae
- phylum: Rhodophyta
- class: Bangiophyceae
- order: Bangiales
- family: Bangiaceae
- genus: Porphyra
- species: Porphyra purpurea
East Fremantle- Fremantle
- North Fremantle
Western Australia
Australia
Digby
Nova Scotia
Canada
Byrum
North Denmark
Denmark
Påarp- Träslövsläge
- Trönninge
Halland
Sweden
Alderney- Birchington-on-Sea
- Bognor Regis
- Borough Green
- Brightlingsea
- Brixham
- Broadstairs
- Canvey Island
- Clacton-on-Sea
- Clevedon
- Combe Martin
- Dover
- Dovercourt
- Eastbourne
- Falmouth
- Gillingham
- Greenhithe
- Hadleigh
- Harwich
- Hoo
- Hugh Town
- Hunstanton
- Hythe
- Ilfracombe
- Isles of Scilly
- Kenn
- Leigh-on-Sea
- Leysdown-on-Sea
- Lyme Regis
- Margate
- Mendip
- Paignton
- Polzeath
- Portishead
- Queenborough
- Ramsgate
- Saint Osyth
- Scarborough
- Sheerness
- Sidmouth
- Swanage
- Tankerton
- Tilbury
- Ventnor
- Walton-on-the-Naze
- Wembury
- West Thurrock
- Westgate on Sea
- Weston-super-Mare
- Weymouth
- Whitstable
England- Oban
- Saint Andrews
Scotland- Dale
- Hundleton
- Pembroke Dock
Wales
United Kingdom
Sitka
Alaska- Hermosa Beach
- Redondo Beach
- Santa Cruz
California- Bridgeport
Connecticut- Saint Augustine
- Saint Augustine Beach
Florida- Atlantic City
New Jersey- Sullivans Island
South Carolina
United States
Helgoland