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
Blechnaceae

Blechnoideae (19911733)

Children (20 direct children, 1123 direct and indirect children):

Doodia (tree size 50)
Hacksaw fern

Blechnum (tree size 472)
Midsorus fern

Sadleria (tree size 12)

Lomaria (tree size 229)

Brainea (tree size 2)

Blechnidium (tree size 2)

Blechnopsis (tree size 19)

Diploblechnum (tree size 7)

Parablechnum (tree size 68)

Spicanta (tree size 36)

Struthiopteris (tree size 92)

Lomaridium (tree size 17)

Austroblechnum (tree size 42)

Cleistoblechnum (tree size 2)

Cranfillia (tree size 23)

Icarus (tree size 1)
Icarus (plant)

Lomariocycas (tree size 20)

Neoblechnum (tree size 1)

Oceaniopteris (tree size 8)

Austroblechnum colensoi