High Risk, Low Eradication Impedence, Low Net Area(Control At One Location Undertaken By An Employee Of The Landowner). (Department of Agriculture (2014). Biosecurity Workshops Report. Department of Agriculture); Early Intervention Control Actions. (Digging Or Herbicide - Stanley. (Creation of a Risk Assessment Protocol for Cultivated Species in the Falkland Islands and Volunteer invasive plant recording sheet (Unknown).); Naturalised. Rare. Localised records on East Falkland (Stanley, Cape Pembroke, Darwin) and West Falkland (Hill Cove, Roy Cove). Some plants controlled (R. Lewis 2013). Not cultivated. (Upson R and Lewis R. Updated atlas and checklist. Report to Falklands Conservation. 2014; 225 pp.); Naturalised, rare. Falkland islands wide. ([Heller, 2019] Falklands Conservation Flora and Fauna List (Unknown));
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- 15.8. Artificial - Aquatic – Seasonally Flooded Agricultural Land
- 5.2. Wetlands (inland) – Seasonal/intermittent/irregular rivers/streams/creeks
- 5.4. Wetlands (inland) – Bogs, marshes, swamps, fens, peatlands
- 5.7. Wetlands (inland) – Permanent freshwater marshes/pools (under 8 ha)
- 5.8. Wetlands (inland) – Seasonal/intermittent freshwater marshes/pools (under 8 ha)
Native to European Southern-temperate areas as well as C. and E. Asia and N. America; it has naturalised extensively beyond this range. (Upson R and Lewis R. Updated atlas and checklist. Report to Falklands Conservation. 2014; 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 and Lewis R. Updated atlas and checklist. Report to Falklands Conservation. 2014; 225 pp.; ([Heller, 2019] Falklands Conservation Flora and Fauna List (Unknown))