Compositae Working Group (CWG) (2021). Global Compositae Database. Haplopappus phyllocephalus subsp. megacephalus (Nash) H.M.Hall. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1221674 on 2025-03-28
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Nash) H.M. Hall [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Haplopappus phyllocephalus DC. subsp. megacephalus (Nash) H.M.Hall [IPNI] Haplopappus phyllocephalus subsp. megacephalus (Nash) H.M. Hall [Tropicos] [details] LSID urn:lsid:compositae.org:names:AC66E4E3-B727-4275-B6EF-A9995935EDCD [details]