Grows in some areas of Upper Rock. (Perez, C.E. & Bensusan, K. (2005) The Upper Rock Nature Reserve, A Management and Action Plan. The Gibraltar Ornithological & Natural History Society. Gibraltar); Common. (Gibraltar flora database (Unknown));
Invasive (Pagad S, Wong L J (2020): Global Register of Introduced and Invasive Species of Gibraltar; Species that have been introduced into Gibraltar. (Unknown).; Perez, C.E. & Bensusan, K. (2005) The Upper Rock Nature Reserve, A Management and Action Plan. The Gibraltar Ornithological & Natural History Society. Gibraltar; )
Dominates over indigenous species of open ground. Spreads to nearby areas. (Perez, C.E. & Bensusan, K. (2005) The Upper Rock Nature Reserve, A Management and Action Plan. The Gibraltar Ornithological & Natural History Society. Gibraltar);
Spreading and becoming a serious problem in the Upper Rock Nature Reserve. Here it is spreading in clearings such as firebreaks, but small pockets are appearing elsewhere. (Species that have been introduced into Gibraltar. (Unknown).);
Terrestrial. Introduced from South Africa. (Species that have been introduced into Gibraltar. (Unknown).);
Pagad S., Wong L.J. (2020): Global Register of Introduced and Invasive Species – Gibraltar. v1.1. Invasive Species Specialist Group ISSG; Species that have been introduced into Gibraltar. (Unknown).; Perez, C.E. & Bensusan, K. (2005) The Upper Rock Nature Reserve, A Management and Action Plan. The Gibraltar Ornithological & Natural History Society. Gibraltar; Gibraltar flora database (Unknown);