Related how?

Biota (Life)
Eukaryote (Eukarya)
Diaphoretickes (Plants+hc+sar megagroup)
Archaeplastida
Plant (Green plants)
Viridiplantae (Chlorobiota)
Charophyta (Charophytes)
Zygnematophyceae (Zygnemophyceae)
Desmidiales
Desmidiaceae
Staurastrum

Staurastrum irregulare (10821078)

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

Staurastrum irregulare var. spinosum

Staurastrum irregulare var. subosceolense

Staurastrum irregulare f. tenue