Related how?

Biota (Life)
Eukaryote (Eukarya)
Diaphoretickes (Plants+hc+sar megagroup)
Archaeplastida
Plant (Green plants)
Biliphyta
Rhodophyta (Red algae)

Eurhodophytina (3060507)

Children (1 direct children, 16040 direct and indirect children):

Florideophyceae (tree size 16039)
Florideae