Compositae Working Group (CWG) (2025). Global Compositae Database. Achillea borealis var. californica (Pollard) J.T.Howell. Accessed at: https://compositae.org/gcd/aphia.php?p=taxdetails&id=1236245 on 2025-09-12
original description(1948). Leafl. W. Bot. 5 page(s): 107 [details]
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) J.T. Howell [Preliminary Checklist of North American Compositae] (Pollard) J.T. Howell [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Achillea borealis Bong. var. california (Pollard) J.T.Howell [IPNI] Achillea borealis Bong. var. californica (Pollard) J.T. Howell [Preliminary Checklist of North American Compositae] Achillea borealis Bong. var. californica (Pollard) J.T.Howell [IPNI] Achillea borealis var. californica (Pollard) J.T. Howell [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Leaflets of Western Botany 5(6): [Tropicos] [details] LSID urn:lsid:compositae.org:names:AD36727E-5D69-4CFC-95C5-D6469779E5B7 [details]