Children (11 direct children, 11 direct and indirect children):
Haraldiophyllum bonnemaisonii
Haraldiophyllum crispatum
Haraldiophyllum erosum
Haraldiophyllum infossum
Haraldiophyllum mirabile
Haraldiophyllum nottii
Haraldiophyllum sinuosum
Haraldiophyllum udoense
Haraldiophyllum heterocarpum
Haraldiophyllum undoensis
Haraldiophyllum versicolor