Children (14 direct children, 15 direct and indirect children):
Columella columella
(tree size 1)
Columella edentula
Columella aspera
Columella simplex
Columella microspora
Columella talgarica
Columella nymphaepratensis
Columella acicularis
Columella hartmutnordsiecki
Columella hasta
Columella intermedia
Columella polvonense
Columella tridentata
Columella wyciski