Compositae Working Group (CWG) (2025). Global Compositae Database. Achillea megacephala Raup. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1209844 on 2025-09-12
original description(1936). J. Arnold Arbor. 17 page(s): 306 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Journal of the Arnold Arboretum 17(4): [Tropicos] [details] LSID urn:lsid:compositae.org:names:B0746C24-1B7C-4E41-A72F-E9872CA376BC [details] Taxonomy 20 Oct 1936 [details] Type material 20 Aug 1935, 6913, H. M. Raup, Lake Athabasca: shifting sand dunes southwest of William Point, holotype GH [details]