Compositae Working Group (CWG) (2025). Global Compositae Database. Haplopappus divaricatus var. hookerianus (Torr. & A.Gray) Waterf.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1228318 on 2025-09-13
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Torr. & A. Gray) Waterf. [Preliminary Checklist of North American Compositae] (Torr. & A. Gray) Waterf. [Tropicos] [details] Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Isopappus hookerianus Torr. & A. Gray [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Haplopappus divaricatus (Nutt.) A. Gray var. hookerianus (Torr. & A. Gray) Waterf. [Preliminary Checklist of North American Compositae] Haplopappus divaricatus (Nutt.) A.Gray var. hookerianus (Torr. & A.Gray) Waterf. [IPNI] Haplopappus divaricatus var. hookerianus (Torr. & A. Gray) Waterf. [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Rhodora 62(743): [Tropicos] [details] LSID urn:lsid:compositae.org:names:B3F0C9B9-54CC-41A8-B8D3-43D2BA731636 [details] Taxonomy as "Hookerianus" [details]