Compositae Working Group (CWG) (2021). Global Compositae Database. Rudbeckia flava var. perbracteata Lunell. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1163916 on 2024-09-22
original descriptionAmer. Midl. Naturalist 2: 157. 1912 page(s): 157 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record American Midland Naturalist 2(7): [Tropicos] [details] LSID urn:lsid:compositae.org:names:468E99DF-7260-498E-B3B7-CD55898C748D [details]