Polysiphonia scopulorum
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Ceramiales
- family: Rhodomelaceae
- genus: Polysiphonia
- species: Polysiphonia scopulorum
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- Saint George
Saint George
Bermuda -
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- Torres
Rio Grande do Sul
Brazil -
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- Koror State
- Koror Town
Koror
Palau -
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- Candelaria
Canary Islands
Spain -
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- Isla Vista
- Santa Cruz
California
United States -