Achillea crustata Achillea crispa Achillea millefolium var. rubra Achillea aspleniifolia var. luxurians Achillea aspleniifolia var. hungaricum Achillea millefolium f. scabra Achillea aspleniifolia var. aspleniifolia Achillea millefolium var. crustata Achillea scabra
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024