Children (9 direct children, 9 direct and indirect children):
Achillea sibirica var. discoidea
Achillea sibirica subsp. wilsoniana
Achillea alpina subsp. multiflora
Achillea alpina subsp. alpina
Achillea sibirica subsp. mongolica
Achillea sibirica subsp. japonica
Achillea sibirica subsp. subcartilaginea
Achillea sibirica subsp. camtschatica
Achillea sibirica subsp. ptarmicoides