Compositae Working Group (CWG) (2025). Global Compositae Database.
Cirsium arvense (L.) Scop.. 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=993737 on 2026-02-18
RAS (Eds.) (2026). Register of Antarctic Species.
Cirsium arvense (L.) Scop.. Accessed at: https://ras.biodiversity.aq/aphia.php/10.1080/10.1080/rest/rest/rest/aphia.php?p=taxdetails&id=993737 on 2026-02-18