Synonyms: Cotyledon alpestris (homotypic); Jovibarba acuminata; Rhodiola durisii; Rhodiola nuristanica; Rosularia kokanica; Rosularia schischkinii; Rosularia tadzhikistana; Rosularia umbilicoides; Sedum acuminatum; Sedum durisii; Sedum kokanicum; Sedum moorcroftianum; Sedum nuristanicum; Sedum olgae; Sedum scaphiophyllum; Sedum schlagintweitii; Sedum umbilicoides; Sempervivella acuminata (homotypic); Sempervivella mucronata; Sempervivella mucronata var. glabra; Sempervivum acuminatum (homotypic); Sempervivum fimbriatum; Sempervivum himalayense; Sempervivum mucronatum; Umbilicus alpestris (homotypic)