Children (13 direct children, 41 direct and indirect children):
Achenium humile
(tree size 2)
Achenium depressum
Achenium hartungii
Achenium nigriventre
Achenium quadriceps
Achenium scimbalioides
Achenium striatum
(tree size 2)
Achenium propontiacum
Achenium ieiunum
Achenium aequatum
(tree size 1)
Achenium
(tree size 19)
Micrachenium
(tree size 4)
Achenium anale