Widespread High-Risk Invasive Species Were Identified Where Control Would Be Possible. (Department of Agriculture (2014). Biosecurity Workshops Report. Department of Agriculture); Survey- 9 Out Of 13 Sites Held Populations Of C. Arvense, Of Which Six Comprised <5 Individuals And Three Comprised >50 Individuals . (Department of Agriculture (2014). Biosecurity Workshops Report. Department of Agriculture.); Eradication Of C. Arvense Is A Realistic Goal If Sufficient Capacity And Funding Are Available Consistently For At Least The Next Five Years, Possibly Longer. Effective, Consistent Control Is Likely To Result In The Eradication Of Small Populations Within Three Years. Thorough Annual Monitoring And Control Of The Larger Populations At Stanley, Mpa And Mare Harbour Is Likely To Be Required For Around 10 Years To Ensure That Any Recruitment From The Soil Seedbank Is Adequately Addressed. (Department of Agriculture (2014). Biosecurity Workshops Report. Department of Agriculture.); Naturalised, rare. Falkland islands wide. ([Heller, 2019] Falklands Conservation Flora and Fauna List (Unknown)); Naturalised. Rare; Recorded on East Falkland (Stanley, Mount Pleasant Complex, Teal Creek, Cape Pembroke, Bertha's Beach), West Falkland (Fox Bay and Mount Alice) and Saunders Island. All plants controlled (R. Lewis 2013). Not cultivated. (Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp.);
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Invasive. (Whitehead, J. (2008) Priorities for Control: A Risk Assessment of Introduced Species on the Falkland Islands. South Atlantic Invasive Species Project .pdf; Upson, R. (2012). Important Plant Areas of the Falkland Islands. Unpublished Report, Falklands Conservation. 80 pp.);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).; Whitehead, J. (2008) Priorities for Control: A Risk Assessment of Introduced Species on the Falkland Islands. South Atlantic Invasive Species Project ; Upson, R. (2012). Important Plant Areas of the Falkland Islands. Unpublished Report, Falklands Conservation. 80 pp.