Compositae Working Group (CWG) (2021). Global Compositae Database. Achillea siegfriedii Brügger. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1148282 on 2024-06-25
original description(1880). Jahresber. Naturf. Ges. Graubündens page(s): 58 [details]
From other sources
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Achillea ×siegfriedii Brügger [Govaerts World Compositae Checklist A-G] Achillea ×siegfriedii Brügger [IPNI] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Jahresber. Naturg. Ges. Graubündens , n.s., 23-24 [Govaerts World Compositae Checklist A-G] [details] LSID urn:lsid:compositae.org:names:1813F5C4-9483-4F7B-BC55-FD8CA846E3BC [details]