Purple laver
- kingdom: Plantae
- phylum: Rhodophyta
- class: Bangiophyceae
- order: Bangiales
- family: Bangiaceae
- genus: Porphyra
- species: Porphyra umbilicalis
Nortorf
Schleswig-Holstein
Germany
Vlissingen
Zeeland
Netherlands
Porto
Porto
Portugal
Lysekil
Västra Götaland
Sweden
Allhallows- Birchington-on-Sea
- Brightlingsea
- Brighton
- Brixham
- Broadstairs
- Clacton-on-Sea
- Clevedon
- Dover
- Dovercourt
- Eastbourne
- Falmouth
- Fowey
- Frinton-on-Sea
- Hadleigh
- Harwich
- Herne Bay
- Hunstanton
- Hythe
- Leigh-on-Sea
- Margate
- Polzeath
- Portishead
- Queenborough
- Ramsgate
- Rottingdean
- Saint Osyth
- Scarborough
- Sheerness
- Sidmouth
- South Croydon
- Swanage
- Ventnor
- Walton-on-the-Naze
- Wembury
- Westgate on Sea
England- Portrush
Northern Ireland- Llangwm
Wales
United Kingdom
Eastport
Maine- Edgartown
- Gloucester
- Marblehead
- Nahant
- Quincy
- Sandwich
- Vineyard Haven
Massachusetts- Pelham Manor
New York
United States
Saint Andrews
Skagen