Sempervivum marmoreum is a species of flowering plant in the family Crassulaceae. It is a succulent native to south-eastern Europe (Bulgaria, Romania, Greece, North Macedonia, Serbia, etc.) and central Europe (Hungary, Slovakia). Sempervivum marmoreum naturally grows on rocky outcrops with southern exposure.
Main subspecies Sempervivum marmoreum subsp. marmoreum (Balkans, Romania) Sempervivum marmoreum subsp. blandum Sempervivum marmoreum subsp. matricum (Hungary, Slovakia, Transylvania) Sempervivum marmoreum subsp. reginae-amaliae
References