Children (16 direct children, 1343 direct and indirect children):
Pteridoblechnum
(tree size 2)
Steenisioblechnum
(tree size 1)
Chieniopteris
(tree size 3)
Distaxia
(tree size 1)
Lonchitis-aspera
(tree size 10)
Mesothema
(tree size 7)
Spicantopsis
(tree size 4)
Blechnopteris
(tree size 4)
Homophyllum
(tree size 2)
Lomariobotrys
(tree size 2)
Stegania
(tree size 10)
Blechnoideae
(tree size 1123)
Trawetsia
(tree size 1)
Stenochlaenoideae
(tree size 96)
Woodwardioideae
(tree size 61)
Orthogramma