Children (7 direct children, 254 direct and indirect children):
Cyclodium
(tree size 22)
Polybotrya
(tree size 97)
Maxonia
(tree size 2)
Polystichopsis
(tree size 19)
Stigmatopteris
(tree size 34)
Olfersia
(tree size 72)
Islandfern
Trichoneuron
(tree size 1)