Compositae Working Group (CWG) (2025). Global Compositae Database. Helianthus coloradensis f. sulphurea Cockerell. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1164738 on 2025-09-17
original description(1918). Torreya 18 page(s): 181 [details]
Unreviewed
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Helianthus coloradensis Cockerell f. sulphurea Cockerell [IPNI] [details] LSID urn:lsid:compositae.org:names:29F4D12E-AD1B-4757-BA60-465243EC053E [details]