Neoralfsia expansa
- kingdom: Chromista
- phylum: Ochrophyta
- class: Phaeophyceae
- order: Ralfsiales
- family: Neoralfsiaceae
- genus: Neoralfsia
- species: Neoralfsia expansa
Praia
PraiaCidade Velha
Ribeira Grande de SantiagoMindelo
São Vicente
Cape VerdeCulebra
Culebra
Puerto RicoAnahola
He‘eia
Napili-Honokowai
Hawaii
United States