Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium fragile Jord.. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1182053 on 2024-09-21
original description(1849). Observ. Pl. Nouv. 7 page(s): 34 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Jord.. 1849. [Euro+Med] Observ. Pl. Nouv. 7: 34. 1849 [Cichorieae Portal] [details] LSID urn:lsid:compositae.org:names:46715309-21A9-4359-AD41-59FACC034780 [details]