Low Risk, Low Eradication Impedence, Low Net Area(Control Undertaken By A Local Volunteer). (Department of Agriculture (2014). Biosecurity Workshops Report. Department of Agriculture); Early Intervention Control Actions. (Digging - 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. Built up areas and gardens, coniferous woodland plantation. 0-47 m. Very rare. East Falkland (Stanley). (Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp.); Naturalised. Very Rare. Found to the east of the island. ([Heller, 2019] Falklands Conservation Flora and Fauna List (Unknown));
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Moderate risk. All plants controlled (R. Lewis 2013); Not cultivated. (Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp.); Moderate impact. ([Heller, 2019] Falklands Conservation Flora and Fauna List (Unknown))
Negative. Rated level 3 with medium confidence. (Department of Agriculture, 2019. Biosecurity Workshops Report. Department of Agriculture);
A Eurasian Boreo-temperate species that has naturalised extensively beyond this range. (Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp.);
Introduction pathway via Seed and Veh. (Department of Agriculture, 2019. Biosecurity Workshops Report. Department of Agriculture);
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).; Department of Agriculture, 2019. Biosecurity Workshops Report. Department of Agriculture;