Children (9 direct children, 9 direct and indirect children):
Astilbe thunbergii var. bandaica
Astilbe thunbergii var. congesta
Astilbe thunbergii var. fujisanensis
Astilbe thunbergii var. kiusiana
Astilbe thunbergii var. okuyamae
Astilbe thunbergii var. shikokiana
Astilbe thunbergii var. thunbergii
Astilbe thunbergii var. aethusifolia
Astilbe thunbergii var. longipedicellata