High Risk, High Eradication Impedence, Above Net Area Threshold. (Department of Agriculture (2014). Biosecurity Workshops Report. Department of Agriculture);early Intervention Control Actions. (Digging Or Herbicide - Mpa & 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 (Mount Pleasant Complex, Stanley). High risk. All plants controlled (R. Lewis 2013). Not cultivated. (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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- 14.1. Artificial - Terrestrial – Arable Land
- 14.2. Artificial - Terrestrial – Pastureland
- 14.3. Artificial - Terrestrial – Plantations
- 14.4. Artificial - Terrestrial – Rural Gardens
- 14.5. Artificial - Terrestrial – Urban Areas
- 14.6. Artificial - Terrestrial – Subtropical/Tropical Heavily Degraded Former Forest
- 15.7. Artificial - Aquatic – Irrigated Land [includes irrigation channels]
- 15.9. Artificial - Aquatic – Canals and Drainage Channels, Ditches
- 4.6. Grassland – Subtropical/tropical seasonally wet/flooded
- 5.4. Wetlands (inland) – Bogs, marshes, swamps, fens, peatlands
High impact. ([Heller, 2019] Falklands Conservation Flora and Fauna List (Unknown));
A Eurasian Wide-temperate species that has naturalised extensively in N. America. (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))