Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium gracile Froel.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1210640 on 2024-09-21
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Froel., in Candolle, Prodr. 7. 1838. [Euro+Med] J.A. von Froelich - in Candolle, Prodr. 7. 1838 [Cichorieae Portal] [details] LSID urn:lsid:compositae.org:names:432C291B-ADA1-40CA-BF35-EDCFBC064057 [details] Taxonomy late Apr 1838 [details]