classify spirogyra
Kingdom: Protista (Chlorophyta)
Phylum: Chlorophyta
Class: Zygnemophyceae
Order: Zygnematales
Family: Zygnemataceae
Genus: Spirogyra
Phylum: Chlorophyta
Class: Zygnemophyceae
Order: Zygnematales
Family: Zygnemataceae
Genus: Spirogyra