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.ContentDistribution Bibliography Distribution ● It Euro+Med endemic: Italy, with San Marino and Vatican City nativeA,B Bibliography A. Conti, F., Abbate, G., Alessandrini, A. & Blasi, C. 2005: An annotated checklist of the Italian vascular flora. – Roma: Fratelli Palombi B. Jalas, J. & Suominen, J. 1999: Atlas Florae Europaeae 12 (as Sempervivum italicum I. Ricci)
