Neosiphonia upolensis
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Ceramiales
- family: Rhodomelaceae
- genus: Neosiphonia
- species: Neosiphonia upolensis
Koror State- Koror Town
Koror
Palau
Lahaina
Hawaii
United States