Low Risk, Low Eradication Impedence, Low Net Area. (Department of Agriculture (2014). Biosecurity Workshops Report. Department of Agriculture); Very rare; Recorded on East Falkland (Stanley). Casual. 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); Casual, rare. Recorded to the east of the island. Possibly extirpated. ([Heller, 2019] Falklands Conservation Flora and Fauna List (Unknown));
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- 14.1. Artificial - Terrestrial – Arable Land
- 14.3. Artificial - Terrestrial – Plantations
- 14.4. Artificial - Terrestrial – Rural Gardens
- 14.5. Artificial - Terrestrial – Urban Areas
- 15.1. Artificial - Aquatic – Water Storage Areas [over 8 ha]
- 15.2. Artificial - Aquatic – Ponds [below 8 ha]
- 15.6. Artificial - Aquatic – Wastewater Treatment Areas
- 15.7. Artificial - Aquatic – Irrigated Land [includes irrigation channels]
- 15.8. Artificial - Aquatic – Seasonally Flooded Agricultural Land
- 15.9. Artificial - Aquatic – Canals and Drainage Channels, Ditches
- 5.2. Wetlands (inland) – Seasonal/intermittent/irregular rivers/streams/creeks
- 5.4. Wetlands (inland) – Bogs, marshes, swamps, fens, peatlands
- 5.6. Wetlands (inland) – Seasonal/intermittent freshwater lakes (over 8 ha)
- 5.8. Wetlands (inland) – Seasonal/intermittent freshwater marshes/pools (under 8 ha)
A Eurasian 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))