Achillea myriophylla Willd., Enum. Pl.: 916. 1809 Achillea myriophylla Willd., Enum. Pl.: 916. 1809is replaced synonym for Tanacetum setaceum Tausch in Flora 12: 11. 1829non Tanacetum myriophyllum Willd., 1789Taxon for this nameAchillea myriophylla Willd.