Compositae Working Group (CWG) (2021). Global Compositae Database.
Achillea ptarmica L.. Accessed through: RAS (Eds.) (2021) Register of Antarctic Species at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=993724 on 2024-04-18
RAS (Eds.) (2024). Register of Antarctic Species.
Achillea ptarmica L.. Accessed at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=993724 on 2024-04-18