Related how?

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

Spermothamnieae (43940569)

Children (10 direct children, 75 direct and indirect children):

Gordoniella (tree size 1)

Hommersandiella (tree size 1)

Interthamnion (tree size 1)

Lomathamnion (tree size 2)

Ptilothamnionopsis (tree size 1)

Rhipidothamnion (tree size 1)

Spermothamnion (tree size 42)

Stegengaea (tree size 1)

Woelkerlingia (tree size 2)

Tiffaniella (tree size 13)