Cleistocactus SynonymySource: Korotkova, N. & Raab-Straube, E. von (2017+): Cactaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.Cleistocactus Lem., Ill. Hort. 8: Misc. 35. 1861ContentDistribution Distribution [aCa(T) aHs(S) aIt] Euro+Med: Canary islands (Tenerife casual); Italy, with San Marino and Vatican City casual; Spain, with Gibraltar and Andorra (Spain casual)