Spirogyra fluviatilis
- kingdom: Plantae
- phylum: Charophyta
- class: Zygnematophyceae
- order: Zygnematales
- family: Zygnemataceae
- genus: Spirogyra
- species: Spirogyra fluviatilis
Utuado
Utuado
Puerto Rico
Charleston- Lawrenceville
Illinois- Medford
Massachusetts
United States