Very rare. Not cultivated. (Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp.);
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Negative. Rated level 3 with medium confidence. (Department of Agriculture, 2019. Biosecurity Workshops Report. Department of Agriculture);
Species of uncertain status. No voucher material exists and recent surveys have failed to refind this species. Possibly misidentified for S. squalidus which is present in the same area. (Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp.);
Department of Agriculture, 2019. Biosecurity Workshops Report. Department of Agriculture; Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp.;