Children (17 direct children, 20 direct and indirect children):
Wulfenia carinthiaca
(tree size 2)
Wulfenia houghtoniana
Wulfenia pinnatifida
Wulfenia rotundifolia
Wulfenia orientalis
(tree size 1)
Wulfenia blechicii
Wulfenia baldaccii
Wulfenia reniformis
Wulfenia wyomingensis
Wulfenia amherstiana
Wulfenia ageria
Wulfenia bonarota
Wulfenia bullii
Wulfenia gymnocarpa
Wulfenia notoniana
Wulfenia glanduligera
Wulfenia nepalensis