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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
Woodsiaceae

Physematium (17278823)

Children (33 direct children, 37 direct and indirect children):

Physematium polystichoides

Physematium philippinum

Physematium elongatum

Physematium scopulinium

Physematium vestitum

Physematium pubescens

Physematium scopulinum (tree size 2)

Physematium incisum

Physematium manchuriense

Physematium obtusum (tree size 1)

Physematium oreganum (tree size 1)

Physematium cumingianum

Physematium perrinianum

Physematium europolepis

Physematium fragile

Physematium molle

Physematium angolensis

Physematium burgessiana

Physematium montividensis

Physematium sect. hymenocystis

Physematium sect. subcheilanthopsis

Physematium subg. cheilanthopsis

Physematium subg. woodsiopsis

Physematium cochisense

Physematium cystopteroides

Physematium indusiosum

Physematium kangdingense

Physematium ×kansanum

Physematium ×maxonii

Physematium neomexicanum

Physematium phillipsii

Physematium plummerae

Physematium canescens