Petrosedum

Petrosedum is a genus in the family Crassulaceae, subfamily Sempervivoideae, tribe Semperviveae, together with two other genera. It was segregated from the very large cosmopolitan and polyphyletic genus Sedum, where it was variously considered a series (Rupestria). It was originally described with eleven species. Species The following species are recognised in the genus Petrosedum: • Petrosedum × affomarcoi • Petrosedum albescens • Petrosedum amplexicaule • Petrosedum × bellardii • Petrosedum × brevierei • Petrosedum dianium • Petrosedum × elaverinum • Petrosedum erectum • Petrosedum × estrelae • Petrosedum forsterianum • Petrosedum × henkii • Petrosedum × hommelsii • Petrosedum × lorenzoi • Petrosedum × luteolum • Petrosedum montanum • Petrosedum monteferraticum • Petrosedum ochroleucum • Petrosedum orientale • Petrosedum × pascalianum • Petrosedum pruinatum • Petrosedum rupestre • Petrosedum sediforme • Petrosedum subulatum • Petrosedum tenuifolium ==References==