Compositae Working Group (CWG) (2021). Global Compositae Database. Hieracium gronovii L.. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1092024 on 2024-05-14
original description(ofHieracium panamense S.F.Blake)Blake, S.F. (1924). New American Asteraceae. <em>Contr. U.S. Natl. Herb.</em> 22: 587-661. page(s): 658 [details]