Petrosedum sediforme is a species in the Petrosedum genus. This name is accepted name for the species in the family Crassulaceae subfamily Sempervivoideae, tribe Semperviveae, . This species is found in Albania, Algeria, Baleares, Cyprus, East Aegean Is., France, Greece, Italy, Kriti, Lebanon-Syria, Libya, Morocco, Palestine, Portugal, Sardegna, Sicilia, Spain, Tunisia, Turkey, Turkey-in-Europe, Yugoslavia.