Children (13 direct children, 200 direct and indirect children):
Osmunda
(tree size 115)
Osmundastrum
(tree size 8)
Plenasium
(tree size 11)
Leptopteris
(tree size 10)
Todea
(tree size 27)
Cladophlebis
(tree size 7)
Osmundites
(tree size 2)
Claytosmunda
(tree size 1)
Phyllopteris
(tree size 2)
Phyllopteroides
(tree size 3)
Cacumen
(tree size 1)
Aphyllocalpa
Struthopteris