Widespread High-Risk Invasive Species Were Identified Where Control Would Be Possible. (Department of Agriculture (2014). Biosecurity Workshops Report. Department of Agriculture); Rumex Longifolius Is Known To Have Been Present Prior To 2002 And Was Seen By Broughton & Mcadam, But Was Misidentified As The Similar Species R. Crispus And R. Obtusifolius, Which Are Also Present. (Resource Id 116); Naturalised. Rare. Recorded on East Falkland (Cape Pembroke, Darwin, Mare Harbour, Mount Kent, Mount Pleasant Complex, North Arm, Stanley). High risk. Some plants controlled (R. Lewis 2013). Not cultivated. (Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp); Sparsely scattered, rare. Found to the east of the island. ([Heller, 2019] Falklands Conservation Flora and Fauna List (Unknown));
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Invasive. (Creation of a Risk Assessment Protocol for Cultivated Species in the Falkland Islands and Volunteer invasive plant recording sheet (Unknown).);
A Eurasian Boreal-montane species that has naturalised extensively beyond this range. (Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp);
Present in garden surveys. (Creation of a Risk Assessment Protocol for Cultivated Species in the Falkland Islands and Volunteer invasive plant recording sheet (Unknown).);
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))