Sisyrinchium californicum

Low Eradication Impedence, Low Net Area. (Department of Agriculture (2014). Biosecurity Workshops Report. Department of Agriculture); Further Study Is Required To Understand Any Morphological Differences Which Can Be Used To Distinguish The Introduced Sisyrinchium Californicum And The Putatively Native S. Chilense. (Department of Agriculture (2014). Biosecurity Workshops Report. Department of Agriculture); Not Native To Or Widely Naturalised In The UK, But Are In Cultivation Both In The Falklands And The UK And Are Probably Escapes From Cultivation. This Includes S. Californicum Which Was Probably An Accidental Introduction From Material Cultivated In The UK And Is Not Yet Known In Cultivation In The Falklands. (Creation of a Risk Assessment Protocol for Cultivated Species in the Falkland Islands and Volunteer invasive plant recording sheet (Unknown).); Naturalised. Very rare. Recorded on East Falkland (Stanley). Casual. Probably locally extirpated. All plants controlled (R. Lewis 2012). Not cultivated. (Upson R and Lewis R. Updated atlas and checklist. Report to Falklands Conservation. 2014; 225 pp.); Historial, very rare. Found to the east of the island. Probably extirpated. ([Heller, 2019] Falklands Conservation Flora and Fauna List (Unknown));