Children (13 direct children, 13 direct and indirect children):
Hymenocladia chondricola
Hymenocladia conspersa
Hymenocladia dactyloides
Hymenocladia divaricata
Hymenocladia filiformis
Hymenocladia kallymenioides
Hymenocladia usnea
Hymenocladia linearis
Hymenocladia ceratocladia
Hymenocladia gracilarioides
Hymenocladia kowiensis
Hymenocladia polymorpha
Hymenocladia ramalina