Low Risk, Low Eradication Impedence, Low Net Area. (Department of Agriculture (2014). Biosecurity Workshops Report. Department of Agriculture); Naturalised. Very rare. Recorded on East Falkland (Goose Green), West Falkland (Dunnose Head - last recorded in 1911). Possibly locally extirpated (R. Lewis 2013). Not cultivated. (Upson R and Lewis R. Updated atlas and checklist. Report to Falklands Conservation. 2014; 225 pp.); Limited, very rare. Recorded to the east of the island. Possibly extirpated. ([Heller, 2019] Falklands Conservation Flora and Fauna List (Unknown));
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- 15.6. Artificial - Aquatic – Wastewater Treatment Areas
- 15.7. Artificial - Aquatic – Irrigated Land [includes irrigation channels]
- 15.9. Artificial - Aquatic – Canals and Drainage Channels, Ditches
- 5.1. Wetlands (inland) – Permanent rivers/streams/creeks (includes waterfalls)
A Circumpolar Wide-temperate species that 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))