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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
Thelypteridaceae (Marsh fern family)

Thelypteridoideae (30110521)

Children (27 direct children, 3662 direct and indirect children):

Christella (tree size 132)

Thelypteris (tree size 1546)
Maiden fern

Amauropelta (tree size 242)

Oreopteris (tree size 5)

Cyclosorus (tree size 627)

Stegnogramma (tree size 43)

Ampelopteris (tree size 3)

Chingia (tree size 24)

Coryphopteris (tree size 55)

Glaphyropteridopsis (tree size 12)

Goniopteris (tree size 200)

Mesophlebion (tree size 20)

Mesopteris (tree size 1)

Metathelypteris (tree size 22)

Nannothelypteris (tree size 7)

Parathelypteris (tree size 57)

Plesioneuron (tree size 52)

Pneumatopteris (tree size 91)
Air fern

Pronephrium (tree size 103)

Pseudocyclosorus (tree size 62)

Sphaerostephanos (tree size 196)

Steiropteris (tree size 39)

Trigonospora (tree size 13)

Meniscium (tree size 65)

Amblovenatum (tree size 7)

Menisorus (tree size 1)

Cyclogramma (tree size 10)