Children (15 direct children, 1575 direct and indirect children):
Nostocaceae
(tree size 604)
Microchaetaceae
(tree size 86)
Rivulariaceae
(tree size 315)
Scytonemataceae
(tree size 200)
Hapalosiphonaceae
(tree size 96)
Chlorogloeopsaceae
(tree size 7)
Chlorogloeopsidaceae
Fortieaceae
(tree size 23)
Gloeotrichiaceae
(tree size 29)
Aphanizomenonaceae
(tree size 121)
Symphyonemataceae
(tree size 34)
Godleyaceae
(tree size 4)
Tolypothrichaceae
(tree size 38)
Capsosira
(tree size 3)
Fortiaceae
Proaulopora