Spirogyra protecta
- kingdom: Plantae
- phylum: Charophyta
- class: Zygnematophyceae
- order: Zygnematales
- family: Zygnemataceae
- genus: Spirogyra
- species: Spirogyra protecta
Casey- Charleston
- Wheaton
Illinois
United States
Spirogyra protecta Casey Charleston Wheaton