Aglaothamnion hookeri
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Ceramiales
- family: Callithamniaceae
- genus: Aglaothamnion
- species: Aglaothamnion hookeri
North Saanich- Vancouver
British Columbia
Canada
Roscoff
A2
France
Malahide
Leinster
Ireland
Vlissingen
Zeeland
Netherlands
Varberg
Halland
Sweden
Berwick-Upon-Tweed- Birchington-on-Sea
- Bognor Regis
- Borough Green
- Brighton
- Dover
- Eastbourne
- Gillingham
- Gravesend
- Hoo
- Horam
- Hugh Town
- Isles of Scilly
- Penzance
- Rayne
- Rottingdean
- Saint Leonards-on-Sea
- Sidmouth
- Southampton
- Swanage
- Tankerton
- Tilbury
- Torquay
- Walton-on-the-Naze
- Westgate on Sea
- Weymouth
- Whitstable
England
United Kingdom
Pacific Grove- San Diego
- Santa Barbara
California- Highlands
- Long Branch
- Oceanport
- West Long Branch
New Jersey- Brooklyn
- Cold Spring Harbor
- Laurel Hollow
- Northport
New York- Mount Pleasant
- Sullivans Island
South Carolina
United States