Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium sphaerianthum Arv.-Touv.. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1185652 on 2024-06-16
original description(1913). Hier. Gall. Hisp. Cat. page(s): 303 [details]
From other sources
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Arv.-Touv., Hier. Gall. Hisp. Cat. 1913. [Euro+Med] Hier. Gall. Hisp. Cat.: 303. 1913 [Cichorieae Portal] [details] LSID urn:lsid:compositae.org:names:1F908B70-FF52-4AB2-ACEA-6B464699AD07 [details]