Sempervivum tectorum subsp. alpinum (Griseb. & Schenk) Wettst. in Hegi, Ill. Fl. Mitt.-Eur. 4: 548. 1922
Sempervivum tectorum subsp. alpinum in Hegi, Ill. Fl. Mitt.-Eur. 4: 548. 1922
is new combination for Sempervivum alpinum in Linnaea 25: 600. 1852
Sempervivum tectorum subsp. alpinum in Hegi, Ill. Fl. Mitt.-Eur. 4: 548. 1922