Children (13 direct children, 13 direct and indirect children):
Cyathophorum adiantum
Cyathophorum africanum
Cyathophorum bulbosum
Cyathophorum hookerianum
Cyathophorum latifolium
Cyathophorum parvifolium
Cyathophorum spinosum
Cyathophorum tahitense
Cyathophorum densirete
Cyathophorum japonicum
Cyathophorum minus
Cyathophorum philippinense
Cyathophorum limbatulum