Compositae Working Group (CWG) (2021). Global Compositae Database. Scorzonera variifolia Salisb.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1181032 on 2024-05-01
original description(1796). Prodr. Stirp. Chap. Allerton page(s): 179 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record R.A. Salisbury, Prodr. Stirp. Chap. Allerton. 1796 [Cichorieae Portal] [details] LSID urn:lsid:compositae.org:names:11E5632C-6E9D-4281-9A0C-53161210422A [details] Taxonomy Nov-Dec 1796 [details]