Only found in cultivation. (Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp.); It Has Been Observed Growing In A Few Gardens In Stanley (Including At Government House) And It Is Likely That It Could Also Be Growing In Gardens In Camp.
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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).); Whitehead, J. (2008) Priorities for Control: A Risk Assessment of Introduced Species on the Falkland Islands. South Atlantic Invasive Species Project .pdf; Falkland Islands Government (Unknown) Biosecurity & Invasives Strategy 2017-2020. Falkland Islands Government.);
Native To South America. Excluded species, only found in cultivation. Listed in unpublished reports (R. Lewis 2009). All naturalised/casual records apparently refer to either B. ilicifolia or juvenile B. microphylla. (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).); Darwin’s barberry also has dark purple berries that are spread by birds and has roots that can sucker under the ground. Darwin’s barberry has been observed growing as a self-seeded plant in Stanley (G. Munro, pers. Comm.) so does have the ability to spread.
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.; Whitehead, J. (2008) Priorities for Control: A Risk Assessment of Introduced Species on the Falkland Islands. South Atlantic Invasive Species Project ; Falkland Islands Government (Unknown) Biosecurity & Invasives Strategy 2017-2020. Falkland Islands Government.; 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.;