Children (9 direct children, 10 direct and indirect children):
Brongniartella byssoides
Brongniartella australis
(tree size 1)
Brongniartella disticha
Brongniartella feredayae
Brongniartella mucronata
Brongniartella patersonis
Brongniartella sarcocaulon
Brongniartella spinosissima
Brongniartella strobilifera