Compositae Working Group (CWG) (2021). Global Compositae Database. Scorzonera macrorhiza Schleich.. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1170863 on 2025-04-03
original description(1821). Cat. Pl. Helv., ed. 4. page(s): 32 [details]
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Schleich., Cat. Pl. Helv., ed. 4. 1821 [Cichorieae Portal] [details] LSID urn:lsid:compositae.org:names:76697357-41B3-4C13-A37E-1D1F878A8271 [details]