Compositae Working Group (CWG) (2021). Global Compositae Database. Rudbeckia serotina f. frondosa (Clute) Moldenke. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1243376 on 2025-03-23
Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Rudbeckia hirta fo. frondosa Clute [Tropicos] [details] LSID urn:lsid:compositae.org:names:26C58BBD-C0CB-44A1-813A-D3BDC72305A4 [details]