Compositae Working Group (CWG) (2024). Global Compositae Database. Helianthus x_ambiguus (Torr. & A.Gray) Britton. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1087956 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 (A. Gray) Britton [Preliminary Checklist of North American Compositae] (Torr. & A. Gray) Britton [Tropicos] [details] Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Helianthus giganteus L. var. ambiguus Torr. & A.Gray [IPNI] Helianthus giganteus var. ambiguus Torr. & A. Gray [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Helianthus ×ambiguus (A. Gray) Britton [Preliminary Checklist of North American Compositae] Helianthus ambiguus (Torr. & A. Gray) Britton [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Manual of the Flora of the northern States and Canada [Tropicos] [details] LSID urn:lsid:compositae.org:names:DB97CB51-C784-4036-BB91-26F194AE7315 [details] Status pro sp. [details] Taxonomy [divaricatus × giganteus] [details]