Sempervivum riccii SynonymySource: Marhold, K. (2011+): Crassulaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.Sempervivum riccii Iberite & Anzal. in Webbia 56: 165. 2001–Sempervivum italicum I. Ricci in Ann. Bot. (Rome) 27: 7. 1961, nom. inval.Content