Compositae Working Group (CWG) (2025). Global Compositae Database. Helianthus debilis subsp. runyonii Heiser. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1220711 on 2025-09-13
original description(1956). Madroño 13 page(s): 161 [details]
Unreviewed
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Helianthus debilis Nutt. ssp. runyonii Heiser [Preliminary Checklist of North American Compositae] Helianthus debilis Nutt. subsp. runyonii Heiser [IPNI] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Madrono; Journal of the California Botanical Society 13(5): [Tropicos] [details] LSID urn:lsid:compositae.org:names:A32D2585-56F2-4973-9A39-8C775ADB3772 [details] Type material 4635, R.Runyon, null IND [details]