Children (15 direct children, 31 direct and indirect children):
Ceratophyllum submersum
(tree size 6)
Soft hornwort
Ceratophyllum demersum
(tree size 5)
Rigid hornwort
Ceratophyllum platyacanthum
(tree size 2)
Ceratophyllum echinatum
Spineless hornwort
Ceratophyllum manschuricum
Ceratophyllum oryzetorum
Ceratophyllum inflatum
Ceratophyllum muricatum
(tree size 3)
Prickly hornwort
Ceratophyllum apiculatum
Ceratophyllum australe
Ceratophyllum kossinskyi
Ceratophyllum haynaldianum
Ceratophyllum llerenae
Ceratophyllum tanaiticum
Ceratophyllum missionis