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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
Polypodiineae
Polypodiaceae
Grammitidoideae

Themelium (17188476)

Children (23 direct children, 23 direct and indirect children):

Themelium taxodioides

Themelium yoderi

Themelium sarawakense

Themelium pullei

Themelium loherianum

Themelium integripaleatum

Themelium halconense

Themelium flagelliforme

Themelium eximium

Themelium curtisii

Themelium ctenoideum

Themelium crenulatum

Themelium conjunctisorum

Themelium allocotum

Themelium abebaion

Themelium blechnifrons

Themelium decrescens

Themelium fasciatum

Themelium graminifolium

Themelium pseudallocotum

Themelium tenuisectum

Themelium elatum

Themelium gibbsiae