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
Saccolomatineae
Saccolomataceae

Ithycaulon (17195430)

Children (11 direct children, 11 direct and indirect children):

Ithycaulon moluccanum

Ithycaulon acuminatum

Ithycaulon brasiliense

Ithycaulon caudatum

Ithycaulon cicutarioides

Ithycaulon firmum

Ithycaulon novae-guineae

Ithycaulon guentheri

Ithycaulon minus

Ithycaulon tenuisectum

Ithycaulon henriettae