Children (87 direct children, 115 direct and indirect children):
Hypnea cervicornis
Hypnea charoides
(tree size 2)
Hypnea musciformis
(tree size 18)
Hypnea spicifera
Hypnea variabilis
Hypnea alopecuroides
Hypnea anastomosans
Hypnea arbuscula
Hypnea arenaria
Hypnea asiatica
Hypnea brasiliensis
Hypnea bryoides
Hypnea caespitosa
Hypnea cenomyce
(tree size 1)
Hypnea ceramioides
(tree size 1)
Hypnea chordacea
(tree size 1)
Hypnea coccinea
Hypnea compressa
Hypnea congesta
Hypnea cornuta
(tree size 1)
Hypnea divaricata
(tree size 1)
Hypnea ecklonii
Hypnea edeniana
Hypnea esperi
Hypnea evermannii
Hypnea filiformis
Hypnea flagelliformis
Hypnea flava
Hypnea flexuosa
Hypnea fruticulosa
Hypnea furnariana
Hypnea hamulosa
Hypnea intricata
Hypnea japonica
Hypnea johnstonii
Hypnea krugiana
Hypnea marchantae
Hypnea multicornis
Hypnea nidifica
Hypnea nidulans
Hypnea nigrescens
(tree size 1)
Hypnea pannosa
Hypnea pectinella
Hypnea platyclada
Hypnea pseudomusciformis
Hypnea ramentacea
Hypnea reptans
Hypnea rosea
Hypnea rugulosa
Hypnea spinella
Hypnea stellulifera
Hypnea tenuis
Hypnea unilateralis
Hypnea vaga
Hypnea valentiae
(tree size 2)
Hypnea viridis
Hypnea volubilis
Hypnea wynnei
Hypnea yamadae
Hypnea yokoyana
Hypnea caraibica
Hypnea cryptica
Hypnea marchantiae
Hypnea schneideri
Hypnea boergesenii
Hypnea armata
Hypnea aspera
Hypnea californica
Hypnea conferta
Hypnea coulteri
Hypnea cystoclonioides
Hypnea episcopalis
Hypnea fastigiata
Hypnea flexicaulis
Hypnea furcellata
Hypnea horrida
Hypnea planicaulis
Hypnea purpurascens
Hypnea rangiferina
Hypnea rigens
Hypnea rissoana
Hypnea saidana
Hypnea secundiramea
Hypnea seticulosa
Hypnea simpliuscula
Hypnea valida
Hypnea wurdemannii