Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium gracile Hook.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1167632 on 2025-03-22
original description(1833). Fl. Bor.-Amer. (Hooker) 1 page(s): 298 [details]
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Flora Boreali-Americana 1(6): [Tropicos] [details] LSID urn:lsid:compositae.org:names:374C2C42-27EF-435A-BE80-0B99850CA089 [details]