High Risk, Low Eradication Impedance, Low Net Area. (Creation of a Risk Assessment Protocol for Cultivated Species in the Falkland Islands and Volunteer invasive plant recording sheet (Unknown).);As Small Plants (<2M Tall) Were Seen Spreading Into Common Land Around Stanley (Jo Whitehead, Personal Observation). They Have Spread Onto The Ridgeline Below The Cable And Wireless Offices And Although The Wind Has Kept Them Quite Stunted They Appear To Be Growing Quite Vigorously (B. Summers, Pers. Comm.). (Whitehead, J. (2008) Priorities for Control: A Risk Assessment of Introduced Species on the Falkland Islands. South Atlantic Invasive Species Project ); Cultivated. Very rare. Recorded on East Falkland (Stanley, Goose Green, Fitzroy) and West Falkland (Hill Cove). Casual & Persisting. High risk (R. Lewis 2013). (Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp.); Persisting, very rare. Falkland islands wide. ([Heller, 2019] Falklands Conservation Flora and Fauna List (Unknown));
- 1.1. Forest – Boreal
- 1.4. Forest – Temperate
- 3.3. Shrubland – Boreal
- 3.4. Shrubland –Temperate
Invasive. (Whitehead, J. (2008) Priorities for Control: A Risk Assessment of Introduced Species on the Falkland Islands. South Atlantic Invasive Species Project ; Department of Agriculture, 2019. Biosecurity Workshops Report. Department of Agriculture);
A Eurasian Boreo-temperate species. (Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp.);
Rowan has the ability to self-seed and spread by birds. (Whitehead, J. (2008) Priorities for Control: A Risk Assessment of Introduced Species on the Falkland Islands. South Atlantic Invasive Species Project ); Cultivated ornamental. (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.; Creation of a Risk Assessment Protocol for Cultivated Species in the Falkland Islands and Volunteer invasive plant recording sheet (Unknown).; Whitehead, J. (2008) Priorities for Control: A Risk Assessment of Introduced Species on the Falkland Islands. South Atlantic Invasive Species Project ; Department of Agriculture, 2019. Biosecurity Workshops Report. Department of Agriculture; ([Heller, 2019] Falklands Conservation Flora and Fauna List (Unknown))