Compositae Working Group (CWG) (2021). Global Compositae Database. Helianthus paradoxus Heiser. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1114051 on 2024-05-15
Present Inaccurate Introduced: alien Containing type locality
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Rhodora 60(718): [Tropicos] [details] LSID urn:lsid:compositae.org:names:D5935F92-9D3B-4E00-A76D-F614B1678873 [details] Type material 11 Sep 1947, s.n., H.R.Reed, holotype US, isotype GH, isotype SMU [details]