Compositae Working Group (CWG) (2024). Global Compositae Database. Helianthus canescens Michx.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1128574 on 2025-03-28
original description(1803). Fl. Bor.-Amer. (Michaux) 2 page(s): 140 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Flora Boreali-Americana 2: [Tropicos] [details] LSID urn:lsid:compositae.org:names:E52FDF97-D619-4CF8-9AB0-5CD5419A4697 [details] Taxonomy 19 Mar 1803 [details]