Compositae Working Group (CWG) (2021). Global Compositae Database. Rudbeckia aspera Pers.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1135850 on 2024-06-30
original description(1807). Syn. Pl. (Persoon) 2(2) page(s): 477 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record 2: [Tropicos] [details] LSID urn:lsid:compositae.org:names:5A11F9E7-3844-4A84-ADA0-97484FAE418F [details] Taxonomy Sept 1807 [details]