Compositae Working Group (CWG) (2024). Global Compositae Database.
Hieracium onychodontum Hyl.. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1106927 on 2024-11-17
Marine Species Traits editorial board (2024). Marine Species Traits.
Hieracium onychodontum Hyl.. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1106927 on 2024-11-17