Compositae Working Group (CWG) (2021). Global Compositae Database. Helianthus canus (Britton) Wooton & Standl.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1180082 on 2025-03-24
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Britton) Woot. & Standl. [Preliminary Checklist of North American Compositae] Wooton & Standl. [IPNI] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Helianthus canus (Britton) Woot. & Standl. [Preliminary Checklist of North American Compositae] Helianthus canus Wooton & Standl. [IPNI] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Contributions from the United States National Herbarium 16(4): [Tropicos] [details] LSID urn:lsid:compositae.org:names:9721746F-745A-43EF-A822-4E07615F8EC0 [details]