Compositae Working Group (CWG) (2024). Global Compositae Database. Carduoideae Cass. ex Sweet. Accessed through: RAS (Eds.) (2024) Register of Antarctic Species at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=1081111 on 2025-04-05
RAS (Eds.) (2025). Register of Antarctic Species. Carduoideae Cass. ex Sweet. Accessed at: https://ras.biodiversity.aq/aphia.php/aphia.php?p=taxdetails&id=1081111 on 2025-04-05