Low Risk, High Eradication Impedance, Low Net Area. (Department of Agriculture (2014). Biosecurity Workshops Report. Department of Agriculture); Very rare. Last recorded on West Falkland (Chartres settlement) in 1949. Possibly locally extirpated (R. Lewis 2013). Not cultivated. (Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp);
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A European Temperate species. (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).; [under synonym: Bromus condensatus] Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp;