Sempervivum montanum subsp. rex SynonymySource: Marhold, K. (2011+): Crassulaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.Sempervivum montanum subsp. rex Niederle in Skalničkářův rok 71: 25. 2015ContentDistribution Bibliography Distribution ● Sk Euro+Med endemicA: Slovakia nativeA Bibliography A. Niederle 2015: – Skalničkářův rok 71. p 25