Chamaenerion angustifolium angustifolium

This Species Is Classed As Naturalised, As It Has Been Observed To Reproduce Unaided. Only Been Observed To Reproduce Vegetatively Not Sexually. It Established In Single Locations, Where They Spread By Creeping Rhizomes Over Several Square Metres. However, No Seedlings Were Recorded, Perhaps Due To Lack Of Cross-Pollination In These Strongly Out-Crossing Species. (Creation of a Risk Assessment Protocol for Cultivated Species in the Falkland Islands and Volunteer invasive plant recording sheet (Unknown).);Low Risk, Low Eradication Impedence, Low Net Area. (Department of Agriculture (2014).
Biosecurity Workshops Report. Department of Agriculture); Early Intervention Control Pulling At Cape Pembroke. (Creation of a Risk Assessment Protocol for Cultivated Species in the Falkland Islands and Volunteer invasive plant recording sheet (Unknown).); Very rare. Recorded on East Falkland (Stanley, Cape Pembroke). Locally extirpated. Moderate risk. All plants controlled (R. Lewis 2013). Not cultivated. (Upson R. & Lewis R. (2014). Updated atlas and checklist. Report to Falklands Conservation. 225 pp); Naturalised. Very Rare. Found to the east of the island. ([Heller, 2019] Falklands Conservation Flora and Fauna List (Unknown));