Represents the first complete synopsis of this horticulturally important family that has been published for several decades. A total of 33 genera with over 1400 species and almost 500 infraspecific taxa are included, as well as 23 hybrid genera. The most species-rich genera are Sedum (over 400 species), Crassula (195 species), Kalanchoe (144 species), Echeveria (almost 140 species), Sempervivum (63 species), Rhodiola (58 species), Dudleya (almost 50 species), Tylecodon (46 species), and Aeonium (38 species).
Introduction; Crassulaceae; Adromischus; Aeonium; Afrovivella; Aichryson; Cotyledon; Crassula; Cremnadia; Cremneria; Cremnopetalum; Cremnophila; Cremnosedum; Cremsonella; Dudleveria; Dudleya; Echeveria; Grapsonella; Graptoladia; Graptopetalum; Graptophytum; Graptosedum; Graptoveria; Hylotelephium; Hypagophytum; Kalanchoe; Lenaptopetalum; Lenophyllum; Lenophytum; Lenoveria; Meterostachys; Monanthes; Orostachys; Pachyladia; Pachyphytum; Pachysedum; Pachyveria; Perrierosedum; Phedimus; Pistorinia; Prometheum; Pseudosedum; Rhodiola; Rosularia; Sedadia; Sedella; Sedeveria; Sedum; Sempervivum; Sinocrassula; Thompsonella; Thompsophytum; Thompsosedum: Thompsoveria; Tylecodon; Umbilicus; Villadia; Villeveria; References; Taxonomic Cross-Reference Index.