Compositae Working Group (CWG) (2025). Global Compositae Database. Achillea millefolium var. gigantea (Pollard) Nobs. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1230808 on 2025-09-12
original description(ofAchillea gigantea Pollard)Robinson, B.L. (1899). Revision of the genus <em>Guardiola</em>. <em>Bull. Torrey Bot. Club.</em> 26, 232-235. page(s): 370 [details]
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Achillea gigantea Pollard. [MesoAmericana] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Achillea millefolium L. var. gigantea (Pollard) Nobs [Preliminary Checklist of North American Compositae] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Contr. Dudley Herb. 5(4) [MesoAmericana] Contributions from the Dudley Herbarium 5(4): [Tropicos] [details] LSID urn:lsid:compositae.org:names:A979451A-6711-4DBB-99A0-6CD02A4C713F [details] Type material E. Palmer s.n. [Aug 1892] (HT: US-279104). [details]