Compositae Working Group (CWG) (2025). Global Compositae Database. Haplopappus phyllocephalus var. typicus H.M.Hall. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1244282 on 2025-09-13
original description(1928). Publications of the Carnegie Institution of Washington 389: page(s): 58 [details]
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record H.M. Hall [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Haplopappus phyllocephalus var. typicus H.M. Hall [Tropicos] [details] LSID urn:lsid:compositae.org:names:2262BCBC-3EC3-4377-BF45-7CB11E13ED29 [details] Taxonomy nom. inval. [details]