Source: Korotkova, N. & Raab-Straube, E. von (2017+): Cactaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
Euro+Med: Canary islands (Tenerifecasual); France, with Channel is. and Monaco (Francenaturalised); Italy, with San Marino and Vatican Citynaturalised; Spain, with Gibraltar and Andorra (Spaincasual); Tunisiacasual