Children (6 direct children, 6 direct and indirect children):
Sempervivum marmoreum marmoreum
Sempervivum marmoreum subsp. marmoreum
Sempervivum marmoreum matricum
Sempervivum marmoreum subsp. matricum
Sempervivum marmoreum subsp. ballsii
Sempervivum marmoreum subsp. erythraeum
Sempervivum marmoreum subsp. reginae-amaliae
Sempervivum marmoreum var. erythraeum