This is a problem of cultivated areas such as Alameda Gardens, where it can form fairly extensive cover. A number are present in the Upper Rock. (Species that have been introduced into Gibraltar. (Unknown).); Common. (Gibraltar flora database (Unknown));
Invasive (Species that have been introduced into Gibraltar. (Unknown).; Resource Catálogo de especies exóticas (2013). Available at: https://www.juntadeandalucia.es/medioambiente/portal/landing-page-%C3%A…);
Do not pose a problem at Upper Rock present. (Species that have been introduced into Gibraltar. (Unknown).); Generates a lot of biomass that it does not allow light to pass through and competes with native species and it can modify the structure of vegetation. (Resource Catálogo de especies exóticas (2013). Available at: https://www.juntadeandalucia.es/medioambiente/portal/landing-page-%C3%A…);
No known human health concerns. (Resource Catálogo de especies exóticas (2013). Available at: https://www.juntadeandalucia.es/medioambiente/portal/landing-page-%C3%A…);
Can directly affect citrus crops (previously happened in Australia). No known human health concerns. (Resource Catálogo de especies exóticas (2013). Available at: https://www.juntadeandalucia.es/medioambiente/portal/landing-page-%C3%A…);
Introduced from South Africa. (Species that have been introduced into Gibraltar. (Unknown).);
Species that have been introduced into Gibraltar. (Unknown).; Gibraltar flora database (Unknown); Resource Catálogo de especies exóticas (2013). Available at: https://www.juntadeandalucia.es/medioambiente/portal/landing-page-%C3%A…; Resource Catálogo de especies exóticas (2013). Available at: https://www.juntadeandalucia.es/medioambiente/portal/landing-page-%C3%A…;