High Risk, Low Eradication Impedence, Above Net Area Threshold. (Department of Agriculture (2014). Biosecurity Workshops Report. Department of Agriculture); Extinct. Early Intervention Control Actions. (Pulling Or Digging - Stanley. (Creation of a Risk Assessment Protocol for Cultivated Species in the Falkland Islands and Volunteer invasive plant recording sheet (Unknown).); Naturalised. Very rare. Recorded on East Falkland (Stanley). Possibly locally extirpated. All plants controlled (R. Lewis 2012). Not cultivated. (Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp); Casual, very rare. Recorded to the east of the island. Possibly extirpated. ([Heller, 2019] Falklands Conservation Flora and Fauna List (Unknown));
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Unknown native range, almost cosmopolitan. (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))