Compositae Working Group (CWG) (2024). Global Compositae Database. Helianthus utahensis (D.C.Eaton) A.Nelson. Accessed at: https://compositae.org/gcd/aphia.php?p=taxdetails&id=1145748 on 2025-03-30
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (D.C. Eaton) A. Nelson [Tropicos] A.Nelson [IPNI] [details] Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Helianthus giganteus var. utahensis D.C. Eaton [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Helianthus utahensis (D.C. Eaton) A. Nelson [Tropicos] Helianthus utahensis A.Nelson [IPNI] [details] LSID urn:lsid:compositae.org:names:C0CBA633-BAA2-4CA3-BACC-E84E10F0B079 [details] Taxonomy as "Utahensis" [details]