Related how?

Biota (Life)
Eukaryote (Eukarya)
Diaphoretickes (Plants+hc+sar megagroup)
Archaeplastida
Plant (Green plants)
Biliphyta
Rhodophyta (Red algae)
Eurhodophytina
Florideophyceae (Florideae)
Rhodymeniophycidae
Ceramiales
Ceramiaceae
Callithamnioideae

Perithamnieae (39865410)

Children (2 direct children, 10 direct and indirect children):

Perithamnion (tree size 5)

Scageliopsis (tree size 3)