Children (10 direct children, 409 direct and indirect children):
Botryopteris
(tree size 2)
Osmundopteris
(tree size 2)
Japanobotrychum
(tree size 5)
Helminthostachyoideae
(tree size 7)
Mankyuoideae
(tree size 2)
Ophioglossoideae
(tree size 186)
Botrychioideae
(tree size 195)
Ophiala
Lunaria
Sahashia