Compositae Working Group (CWG) (2025). Global Compositae Database. Haplopappus longifolius (Greene) Jeps.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1118870 on 2025-03-24
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record Jeps. [IPNI] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Haplopappus longifolius Jeps. [IPNI] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record A Manual of the Flowering Plants of California . . . [Tropicos] [details] LSID urn:lsid:compositae.org:names:5AA60D7B-329C-4090-8AC9-0E8B286EE4FB [details] Taxonomy 24 Nov 1925 [details]