Children (9 direct children, 793 direct and indirect children):
Lomentariaceae
(tree size 100)
Rhodymeniaceae
(tree size 394)
Champiaceae
(tree size 141)
Faucheaceae
(tree size 109)
Fryeellaceae
(tree size 9)
Hymenocladiaceae
(tree size 27)
Sciadophycus
(tree size 2)
Agardhinula
(tree size 1)
Grammephora
(tree size 1)