Related how?

Biota (Life)
Eukaryote (Eukarya)
Diaphoretickes (Plants+hc+sar megagroup)
Archaeplastida
Plant (Green plants)
Viridiplantae (Chlorobiota)
Streptophyta (Streptophytina)
Embryophyte (Land plants)
Tracheophyta (Higher plants)
Polypodiophyta
Polypodiophytina
Polypodiopsida (Pteridopsida)
Polypodiidae (Leptosporangiate fern)
Polypodiales
Pteridineae
Pteridaceae

Vittarioideae (5873935)

Children (12 direct children, 950 direct and indirect children):

Adiantum (tree size 597)
Maidenhair fern

Rheopteris (tree size 2)

Antrophyum (tree size 95)

Hecistopteris (tree size 4)

Ananthacorus (tree size 1)

Scoliosorus (tree size 3)

Vittaria (tree size 156)
Shoestring fern

Haplopteris (tree size 40)

Polytaenium (tree size 17)

Radiovittaria (tree size 12)

Vaginularia (tree size 8)

Antrophyopsis (tree size 3)