Compositae Working Group (CWG) (2021). Global Compositae Database. Rudbeckia triloba var. beadlei (Small) Fernald. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1242984 on 2025-03-27
Contributed data: Authors Data only shown for fields conflicting with the consensus taxon record (Small) Fern. [Preliminary Checklist of North American Compositae] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Rudbeckia triloba L. var. beadlei (Small) Fern. [Preliminary Checklist of North American Compositae] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Rhodora 39(467): [Tropicos] [details] LSID urn:lsid:compositae.org:names:9939F2AE-5A5A-4DB5-863D-F790AE8846BF [details] Taxonomy as "Beadlei" [details]