Compositae Working Group (CWG) (2021). Global Compositae Database. Rudbeckia serotina f. annulata (Clute) Fernald & B.G.Schub.. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1243261 on 2025-04-05
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Clute) Fernald & B.G. Schub. [Tropicos] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Rudbeckia serotina f. annulata (Clute) Fernald & B.G. Schub. [Tropicos] [details] LSID urn:lsid:compositae.org:names:D04A5084-3E6F-407A-BB7B-72B7514F874E [details]