Compositae Working Group (CWG) (2021). Global Compositae Database. Helianthus rigidus var. subrhomboideus (Rydb.) B.L.Turner. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1230741 on 2024-05-13
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Rydb.) B.L. Turner [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Helianthus rigidus Desf. var. subrhomboideus (Rydb.) B.L.Turner [IPNI] Helianthus rigidus var. subrhomboideus (Rydb.) B.L. Turner [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Atlas of the Vascular Plants of Texas [Tropicos] [details] LSID urn:lsid:compositae.org:names:E947B485-7FF4-42F8-8880-6BB163DED8B3 [details] Taxonomy isonym [details]