Related how?

Biota (Life)
Eukaryote (Eukarya)
Diaphoretickes (Plants+hc+sar megagroup)
Archaeplastida
Plant (Green plants)
Viridiplantae (Chlorobiota)
Charophyta (Charophytes)
Charophyceae
Charales (Stoneworts)
Characeae
Nitella

Nitella rigida (69525792)

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

Nitella rigida var. moriokae

Nitella rigida var. saitoiana

Nitella rigida f. moriokae