Compositae Working Group (CWG) (2025). Global Compositae Database. Achillea umbellata var. polycephala Heimerl. Accessed at: https://compositae.org/gcd/aphia.php?p=taxdetails&id=1163749 on 2025-03-26
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Achillea umbellata Sibth. & Sm. var. polycephala Heimerl [IPNI] [details] LSID urn:lsid:compositae.org:names:79F03317-C428-4F60-B013-BE9858E616B4 [details] Status nom. inval. includes the type of A. umbellata Sibth. & Sm. (1813). [details] Taxonomy Aug 1884 [details]