Source: Piirainen, M. (2009+): Kalidium. – In: Uotila, P. (ed.): Chenopodiaceae. Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
Kalidium in Candolle, Prodr. 13(2): 146. 1849
Euro+Med: Armenia native; Azerbaijan, with Nakhchivan (Azerbaijan native, Nakhchivan native); Crimea native: presence questionable; Georgia, with Abkhazia and Adjara native; Russia (S European Russia native); Spain, with Gibraltar and Andorra native (Spain native); Turkey (Turkey, Asiatic part native)