Related how?

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

Euastrum mammatum (69563685)

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

Euastrum mammatum var. ellipticum

Euastrum mammatum var. subcuneatum

Euastrum mammatum f. major