Halimeda simulans
- kingdom: Plantae
- phylum: Chlorophyta
- class: Ulvophyceae
- order: Bryopsidales
- family: Halimedaceae
- genus: Halimeda
- species: Halimeda simulans
Duncan Town
Ragged Island
Bahamas
Port Antonio
Portland
Jamaica
Koror State
Koror Town
Koror
Palau
Culebra
Culebra
Guánica
Guanica
Guayanilla
Magas Arriba
Guayanilla
La Parguera
Lajas
Tallaboa
Penuelas
Central Aguirre
Salinas
Puerto Rico
Vieux Fort
Vieux-Fort
Saint Lucia
Mahonda
South
Zanzibar Central
Tanzania
Marathon
Florida
United States