Compositae Working Group (CWG) (2021). Global Compositae Database. Scorzonera angustifolia Porta. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1093147 on 2024-05-02
original description(1879). Porta in Nuovo Giorn. Bot. Ital. 11. 1879 page(s): 257 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Nuovo Giorn. Bot. Ital. 11 [IPNI] [details] LSID urn:lsid:compositae.org:names:0809525C-1973-4524-AA6E-500E4B8805E6 [details]