Compositae Working Group (CWG) (2021). Global Compositae Database. Helianthus integrifolius Nutt.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1200463 on 2024-05-14
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Trans. Amer. Philos. Soc. Ser. 2 7: 366 (1841) [Flora del Conosur] Transactions of the American Philosophical Society, new series, 7: [Tropicos] [details] LSID urn:lsid:compositae.org:names:9C41D3C6-733B-4305-80B8-BEAFAD139A2B [details] Taxonomy 2 Apr 1841 [details]