Compositae Working Group (CWG) (2021). Global Compositae Database. Helianthus praecox var. runyonii (Heiser) B.L.Turner. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1232021 on 2025-04-17
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Heiser) B.L. Turner [Preliminary Checklist of North American Compositae] (Heiser) B.L. Turner [Tropicos] [details] Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Helianthus debilis Nutt. subsp. runyonii Heiser [IPNI] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Helianthus praecox Engelm. & A. Gray var. runyonii (Heiser) B.L. Turner [Preliminary Checklist of North American Compositae] Helianthus praecox Engelm. & A.Gray var. runyonii (Heiser) B.L.Turner [IPNI] Helianthus praecox Engelm. & Gray var. runyonii (Heiser) B.L.Turner [IPNI] Helianthus praecox var. runyonii (Heiser) B.L. Turner [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Atlas of the Vascular Plants of Texas [Tropicos] [details] LSID urn:lsid:compositae.org:names:3C89A44E-28E3-4D6D-BBF8-8197B24EB6D0 [details]