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
Aspleniineae

Onocleaceae (139173)

Children (9 direct children, 54 direct and indirect children):

Matteuccia (tree size 8)

Onoclea (tree size 26)

Onocleopsis (tree size 1)

Pentarhizidium (tree size 3)

Pteretis (tree size 4)

Pterinodes (tree size 1)

Ragiopteris (tree size 2)

Calypterium

Pterilis