Aglaothamnion roseum
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Ceramiales
- family: Callithamniaceae
- genus: Aglaothamnion
- species: Aglaothamnion roseum
Frederikshavn
North Denmark
Denmark
Alkersum
Schleswig-Holstein
Germany
Yerseke
Zeeland
Netherlands
Slite
Gotland
Träslövsläge
Halland
Sweden- United Kingdom
San Diego
California
Bridgeport
Woodmont
Connecticut
East Falmouth
Oak Bluffs
Massachusetts
Long Branch
North Cape May
Oceanport
West Long Branch
New Jersey
United States
Fontenay-le-Marmion
Broadstairs