High Risk, High Eradication Impedence, Low Net Area. (Department of Agriculture (2014). Biosecurity Workshops Report. Department of Agriculture); Early Intervention Control Herbicide At Stanley. (Creation of a Risk Assessment Protocol for Cultivated Species in the Falkland Islands and Volunteer invasive plant recording sheet (Unknown).); Naturalised. Possibly locally extirpated. All plants controlled (R. Lewis 2013). Not cultivated. Built up areas and gardens. 1-20 m. Very rare. East Falkland (Stanley). (Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp.); Limited, very rare. Recorded to the east of the island. ([Heller, 2019] Falklands Conservation Flora and Fauna List (Unknown));
High risk. (Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp.);
A Euro Siberian Boreo-temperate species; widely naturalised outside of this area. (Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp.);
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.; Department of Agriculture (2014). Biosecurity Workshops Report. Department of Agriculture.pdf; 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))