Compositae Working Group (CWG) (2025). Global Compositae Database. Cirsium Mill.. Accessed through: RAS (Eds.) (2025) Register of Antarctic Species at: https://ras.biodiversity.aq/aphia.php/www.pfeil-verlag.de/04biol/rest/aphia.php?p=taxdetails&id=425712 on 2025-05-15
RAS (Eds.) (2025). Register of Antarctic Species. Cirsium Mill.. Accessed at: https://ras.biodiversity.aq/aphia.php/aphia.php?p=taxdetails&id=425712 on 2025-05-15