Children (14 direct children, 41870 direct and indirect children):
Schizaeales
(tree size 545)
Cyatheales
(tree size 2781)
Tree fern
Polypodiales
(tree size 35528)
Gleicheniales
(tree size 526)
Osmundales
(tree size 201)
Hymenophyllales
(tree size 2256)
Aspleniales
Loxsomatales
Platyzomatales
(tree size 1)
Parkeriales
(tree size 4)
Plagiogyriales
Matoniales
(tree size 13)
Stromatopteridales
Hymenophyllopsidales
(tree size 1)