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 johnstonii (105484737)

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

Polysiphonia johnstonii var. concinna