Compositae Working Group (CWG) (2021). Global Compositae Database. Rudbeckia newmani Loudon. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1130578 on 2024-05-18
original description(1830). Hort. Brit. [Loudon] page(s): 358 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Hort. Brit. [Loudon], ed. 2. [IPNI] [details] LSID urn:lsid:compositae.org:names:52D46F2E-6F85-43EE-8902-6C22C249C1E3 [details]