Compositae Working Group (CWG) (2021). Global Compositae Database.
Gynoxys columbiana (Klatt) Hieron.. Accessed through: Marine Species Traits editorial board (2021) Marine Species Traits at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1092680 on 2024-05-07
Marine Species Traits editorial board (2024). Marine Species Traits.
Gynoxys columbiana (Klatt) Hieron.. Accessed at: https://marinespecies.org/traits./aphia.php?p=taxdetails&id=1092680 on 2024-05-07