Low Risk, Low Eradication Impedence, Above Net Area Threshold. (Department of Agriculture (2014). Biosecurity Workshops Report. Department of Agriculture); Early Intervention Control Digging Or Herbicide At Stanley. (Creation of a Risk Assessment Protocol for Cultivated Species in the Falkland Islands and Volunteer invasive plant recording sheet (Unknown).); Naturalised. Rare. Sparsely scattered across the Falkland Islands. 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.); Sparsely scattered, very rare. Falkland islands wide. Possibly extirpated. ([Heller, 2019] Falklands Conservation Flora and Fauna List (Unknown));
- 14.1. Artificial - Terrestrial – Arable Land
- 14.2. Artificial - Terrestrial – Pastureland
- 14.4. Artificial - Terrestrial – Rural Gardens
- 14.5. Artificial - Terrestrial – Urban Areas
- 15.2. Artificial - Aquatic – Ponds [below 8 ha]
- 15.9. Artificial - Aquatic – Canals and Drainage Channels, Ditches
- 5.1. Wetlands (inland) – Permanent rivers/streams/creeks (includes waterfalls)
- 5.5. Wetlands (inland) – Permanent freshwater lakes (over 8 ha)
A Euro Siberian 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.);
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))