Compositae Working Group (CWG) (2021). Global Compositae Database. Picris hieracium With.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1170686 on 2024-05-02
original description(1776). Bot. Arr. Brit. Pl. ed. I. 2 page(s): 482 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record W. Withering, Bot. Arr. Veg. Gr. Brit.. 1776 [Cichorieae Portal] [details] LSID urn:lsid:compositae.org:names:2FB35FE0-8B30-4D2B-B598-1C2B90FD46FF [details]