Crassula dubia Globulea cotyledonis Crassula canescens var. latifolia Purgosea cotyledonis Crassula cotyledon Crassula rehmannii Crassula tayloriae Crassula cephalophora var. dubia Crassula canescens
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024