Compositae Working Group (CWG) (2019). Global Compositae Database.
Helminthotheca Zinn. Accessed through: (Eds) (2019) Register of Antarctic Species at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=1076854 on 2019-12-06
(Eds) (2019). Register of Antarctic Species.
Helminthotheca Zinn. Accessed at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=1076854 on 2019-12-06