Cystoclonium purpureum
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Gigartinales
- family: Cystocloniaceae
- genus: Cystoclonium
- species: Cystoclonium purpureum
- France
Stykkishólmur
West
Iceland
Edgartown
Gloucester
Lynn
Nahant
Rockport
Swampscott
Massachusetts
Hampton
New Hampshire
United States
Dartmouth
Byrum
Cresserons
Helgoland
Påarp
Bembridge