Purple sea scum
- kingdom: Plantae
- phylum: Rhodophyta
- class: Bangiophyceae
- order: Bangiales
- family: Bangiaceae
- genus: Bangia
- species: Bangia atropurpurea
Port Adelaide
South Australia
Australia
Micheldorf
Carinthia
Gramatneusiedl
Lower Austria
Austria
Campbell River
North Saanich
Sooke
British Columbia
Canada
Nortorf
Schleswig-Holstein
Germany
Gaillimh
Connaught
Ireland
Mugardos
Galicia
Spain
Varberg
Halland
Sweden- United Kingdom
Santa Cruz
California
Jamestown
Rhode Island
Friday Harbor
Washington
United States
Fermanville
Bembridge