Spirogyra varians
- kingdom: Plantae
- phylum: Charophyta
- class: Zygnematophyceae
- order: Zygnematales
- family: Zygnemataceae
- genus: Spirogyra
- species: Spirogyra varians
Dresden
Saxony
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- Piedmont
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California- Bridgeport
Connecticut- Charleston
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Illinois- Melrose
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United States