Compositae Working Group (CWG) (2024). Global Compositae Database. Helianthus laevigatus Torr. & A.Gray. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1088747 on 2025-03-29
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record Torr. & A. Gray [Preliminary Checklist of North American Compositae] Torr. & A. Gray [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Helianthus laevigatus Torr. & A. Gray [Preliminary Checklist of North American Compositae] Helianthus laevigatus Torr. & A. Gray [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record A Flora of North America: containing . . . 2(2): [Tropicos] [details] LSID urn:lsid:compositae.org:names:366D1766-D8D6-459E-9D8D-2D38ED38CAA8 [details] Taxonomy Apr 1842 [details]