Dictyota dichotoma
- kingdom: Chromista
- phylum: Ochrophyta
- class: Phaeophyceae
- order: Dictyotales
- family: Dictyotaceae
- genus: Dictyota
- species: Dictyota dichotoma
- East Fremantle
- Fremantle
- North Fremantle
Western Australia
Australia- George Town
Exuma- Duncan Town
Ragged Island- Cockburn Town
San Salvador
Bahamas- Welchman Hall
Saint Thomas
Barbados- Saint George
Saint George
Bermuda- Praia
Praia- Cidade Velha
Ribeira Grande de Santiago- Santa Maria
Sal- Tarrafal de São Nicolau
Tarrafal de São Nicolau
Cape Verde- France
- Nortorf
Schleswig-Holstein
Germany- Pointe-à-Pitre
Guadeloupe
Guadeloupe- Haifa
Haifa
Israel- Castelmola
- Taormina
Sicily
Italy- Port Antonio
Portland
Jamaica- Enewetak
Enewetak Atoll
Marshall Islands- Yerseke
Zeeland
Netherlands- Koror State
- Koror Town
Koror
Palau- Porto Moniz
Madeira- Porto
Porto- Areosa
- Viana do Castelo
Viana do Castelo
Portugal- Arrecife
- Los Llanos de Aridane
- Tazacorte
- Tijarafe
Canary Islands- Tossa de Mar
Catalonia
Spain- Bembridge
- Birchington-on-Sea
- Brighton
- Broadstairs
- Canvey Island
- Combe Martin
- Cromer
- Dover
- Dovercourt
- Exeter
- Falmouth
- Folkestone
- Framlingham
- Gurnard
- Harwich
- Horam
- Hugh Town
- Ilfracombe
- Isles of Scilly
- Looe
- Margate
- Paignton
- Penzance
- Polzeath
- Portsmouth
- Rayne
- Rottingdean
- Salcombe
- Sidmouth
- Southampton
- Southsea
- Swanage
- Tankerton
- Torquay
- Wembury
- Westgate on Sea
- Weymouth
- Whitstable
- Yealmpton
England- Carrickfergus
Northern Ireland- Bangor
- Dale
- Menai Bridge
Wales
United Kingdom- Honolulu
Hawaii- Medford
Massachusetts- Beaufort
North Carolina- Mount Pleasant
- Sullivans Island
South Carolina- Rocky Point
- Tracyton
Washington
United States- Charlotte Amalie
Saint Thomas Island
Virgin Islands, U.S.