Related how?

Biota (Life)
Eukaryote (Eukarya)
Diaphoretickes (Plants+hc+sar megagroup)
Archaeplastida
Plant (Green plants)
Viridiplantae (Chlorobiota)
Charophyta (Charophytes)
Zygnematophyceae (Zygnemophyceae)
Zygnematales
Zygnemataceae
Spirogyra

Spirogyra mirabilis (69611623)

Children (3 direct children, 3 direct and indirect children):

Spirogyra mirabilis var. gracilis

Spirogyra mirabilis var. maharashtrensis

Spirogyra mirabilis f. major