Compositae Working Group (CWG) (2025). Global Compositae Database. Achillea millefolium f. californica (Pollard) H.M.Hall. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1239889 on 2025-09-12
original description(ofAchillea californica Pollard)Robinson, B.L. (1899). Revision of the genus <em>Guardiola</em>. <em>Bull. Torrey Bot. Club.</em> 26, 232-235. page(s): 369 [details]
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Pollard) H.M. Hall [Tropicos] [details] Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Achillea californica [Govaerts World Compositae Checklist A-G] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Achillea millefolium f. californica (Pollard) H.M. Hall [Tropicos] Achillea millefolium L. f. californica (Pollard) H.M.Hall [IPNI] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Univ. Calif. Publ. Bot. 3 [Govaerts World Compositae Checklist A-G] University of California Publications in Botany 3(1): [Tropicos] [details] LSID urn:lsid:compositae.org:names:35550978-969C-44D0-8806-3C6690982401 [details] Taxonomy as "Californica" [details]