Compositae Working Group (CWG) (2025). Global Compositae Database.
Carlina sect.
Oligocephalae (Meusel & Kästner) Meusel & Kästner. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1082420 on 2025-03-11
Marine Species Traits editorial board (2025). Marine Species Traits.
Carlina sect.
Oligocephalae (Meusel & Kästner) Meusel & Kästner. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1082420 on 2025-03-11