Compositae Working Group (CWG) (2021). Global Compositae Database. Helianthus parviflorus var. attenuatus A.Gray. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1229189 on 2025-03-25
original description(1884). Syn. Fl. N. Amer. 1(2) page(s): 278 [details]
Unreviewed
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record A. Gray [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Helianthus parviflorus Bernh. ex Spreng. var. attenuatus A.Gray [IPNI] Helianthus parviflorus var. attenuatus A. Gray [Tropicos] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Synoptical Flora of North America 1(2): [Tropicos] [details] LSID urn:lsid:compositae.org:names:04B52804-58C3-470B-AA28-01025FBFCDDF [details] Status specific name is illegitimate (non Hornem. (1815), nec Kunth (1818)). [details] Taxonomy Jul 1884 [details] Type material 14 1883, 6, J.Donnell Smith, unknown GH [details]