Compositae Working Group (CWG) (2021). Global Compositae Database. Haplopappus gracilis (Nutt.) A.Gray. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1203110 on 2025-03-19
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Nutt.) A. Gray [Preliminary Checklist of North American Compositae] (Nutt.) A. Gray [Tropicos] A.Gray [IPNI] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Haplopappus gracilis (Nutt.) A. Gray [Preliminary Checklist of North American Compositae] Haplopappus gracilis (Nutt.) A. Gray [Tropicos] Haplopappus gracilis A.Gray [IPNI] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Memoirs of the American Academy of Arts and Science, new series 4(1): [Tropicos] [details] LSID urn:lsid:compositae.org:names:401E4D18-7C72-4D68-820F-C89BFC247AE6 [details] Taxonomy as "Aplopappus" [details]