Compositae Working Group (CWG) (2021). Global Compositae Database. Helianthus intermedius R.W.Long. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1097654 on 2024-05-13
original description(1954). Rhodora 56 page(s): 201 [details]
Present Inaccurate Introduced: alien Containing type locality
From other sources
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record R.W. Long [Preliminary Checklist of North American Compositae] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Helianthus ×intermedius R.W. Long [Preliminary Checklist of North American Compositae] Helianthus ×intermedius R.W.Long [IPNI] [details] LSID urn:lsid:compositae.org:names:FFDDE993-812F-4B06-A34B-73A74D30D3B6 [details] Taxonomy [grosseserratus × maximiliani] [details]