Compositae Working Group (CWG) (2021). Global Compositae Database. Helianthus validus E.Watson. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1203350 on 2024-05-15
original description(1929). Pap. Michigan Acad. Sci. 9 page(s): 410 [details]
From other sources
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record E. Watson [Tropicos] E.E. Watson [Preliminary Checklist of North American Compositae] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Helianthus validus E. Watson [Tropicos] Helianthus validus E.E. Watson [Preliminary Checklist of North American Compositae] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Papers of the Michigan Academy of Science, Arts and Letters 9: [Tropicos] [details] LSID urn:lsid:compositae.org:names:02E156B2-C43C-4E26-B8F0-C70A014F6A53 [details]