Related how?

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

Polysiphonia derbesii (43831526)

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

Polysiphonia derbesii f. penicillata

Polysiphonia derbesii f. spinulosa