Sempervivum reginae-amaliae Halácsy, Consp. Fl. Graec. 1: 580. 1901 Sempervivum reginae-amaliae Halácsy, Consp. Fl. Graec. 1: 580. 1901Taxon for this nameSempervivum reginae-amaliae Halácsy, Consp. Fl. Graec. 1: 580. 1901