Compositae Working Group (CWG) (2021). Global Compositae Database. Rudbeckia hirta var. bicolor Clute. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1162214 on 2024-05-01
original description(1913). Amer. Bot. (Binghamton) 19 page(s): 133 [details]
From other sources
Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Rudbeckia hirta L. var. bicolor Clute [IPNI] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record American Botanist Indiana 19: [Tropicos] [details] LSID urn:lsid:compositae.org:names:DA006330-C6D7-4E69-A512-42389147EFBD [details]