Children (7 direct children, 301 direct and indirect children):
Planktothrix
(tree size 19)
Phormidium
(tree size 243)
Phormidioideae
(tree size 2)
Microcoleoideae
(tree size 11)
Ammatoideoideae
(tree size 16)
Proterendothrix
(tree size 1)
Ancylothrix
(tree size 2)