Green alga
- kingdom: Plantae
- phylum: Chlorophyta
- class: Ulvophyceae
- order: Siphonocladales
- family: Siphonocladaceae
- genus: Ernodesmis
- species: Ernodesmis verticillata
Welchman Hall
Saint Thomas
Barbados
Hamilton
Hamilton city
Bermuda
Barber
00
CW
Praia
Praia
Mindelo
São Vicente
Tarrafal de São Nicolau
Tarrafal de São Nicolau
Cape Verde
Portsmouth
Saint John
Dominica
Le Moule
Guadeloupe
Guadeloupe
Sandy Bay
Hanover
Manchioneal
Port Antonio
Portland
Jamaica
Playa de las Américas
Canary Islands
Spain
Key West
Florida
United States
Saint Croix
Saint Croix Island
Virgin Islands, U.S.