Children (23 direct children, 30 direct and indirect children):
Azolla caroliniana
Carolina mosquitofern
Azolla japonica
Azolla filiculoides
(tree size 2)
Large mosquito fern
Azolla pinnata
(tree size 3)
Water velvet
Azolla primaeva
Azollophyllum primaevum
Azolla imbricata
(tree size 2)
Azolla mexicana
Mexican mosquitofern
Azolla nilotica
Azolla microphylla
Mosquito fern
Azolla circinata
Azolla cristata
Azolla bonariensis
Azolla decomposita
Azolla portoricensis
Azolla densa
Azolla geneseana
Azolla arctica
Azolla rubra
Pacific azolla
Azolla africana
Azolla prisca
Azolla colwellensis
Azolla guineensis
Azolla tuganensis