Compositae Working Group (CWG) (2021). Global Compositae Database. Achillea pacifica Rydb.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1201322 on 2024-05-18
original description(1916). N. Amer. Fl. 34(3) page(s): 222 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record N. Amer. Fl. 34 [Govaerts World Compositae Checklist A-G] North American Flora 34(3): [Tropicos] [details] LSID urn:lsid:compositae.org:names:60E4AB52-0870-4958-91D0-BC817D60E9AF [details] Taxonomy 29 Dec 1916 [details] Type material A. A. Heller 8067 (HT: NY). [details]