Children (39 direct children, 45 direct and indirect children):
Elatine alsinastrum
Elatine hydropiper
(tree size 2)
Eight-stamened waterwort
Elatine hexandra
Six-stamened waterwort
Elatine hungarica
Elatine brochonii
Elatine triandra
(tree size 1)
Three-stamened waterwort
Elatine ambigua
Asian waterwort
Elatine fassettiana
Elatine fauquei
Elatine peruviana
Elatine glaziovii
Elatine rubella
Southwestern waterwort
Elatine gratioloides
Elatine heterandra
Mosquito waterwort
Elatine lindbergii
Elatine lorentziana
Elatine macrocalyx
Elatine macropoda
(tree size 1)
Elatine madagascariensis
Elatine minima
Small waterwort
Elatine ojibwayensis
Elatine paramoana
Elatine americana
(tree size 2)
American waterwort
Elatine brachysperma
Shortseed waterwort
Elatine californica
California waterwort
Elatine ecuadoriensis
Elatine rotundifolia
Elatine gussonei
Elatine chilensis
Elatine pedicellaris
Elatine perennis
Elatine ammannioides
Elatine verticillaris
Elatine sect. cymifera
Elatine subsect. bracteata
Elatine subsect. hydropiperia
Elatine subsect. macropodae
Elatine anagalloides
Elatine campylosperma