High Eradication Impendance, Low Net Area. (Creation of a Risk Assessment Protocol for Cultivated Species in the Falkland Islands and Volunteer invasive plant recording sheet (Unknown).); Naturalised and cultivated. Very rare. Recorded on East Falkland (North Arm) and West Falkland (Port Howard). (Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp); Naturalised, rare. Falkland islands wide. ([Heller, 2019] Falklands Conservation Flora and Fauna List (Unknown));
A Euro Siberian Boreo-temperate species that has naturalised extensively to become Circumpolar Boreo-temperate. (Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp);
Cultivated herb.
Blake D., Stanworth A., Wong L, Pagad S. (2020). Global Register of Introduced and Invasive Species of Falkland Islands (Islas Malvinas). Version 1.2. Invasive Species Specialist Group ISSG.; Creation of a Risk Assessment Protocol for Cultivated Species in the Falkland Islands and Volunteer invasive plant recording sheet (Unknown).; Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp.; ([Heller, 2019] Falklands Conservation Flora and Fauna List (Unknown))