Crassulaceae (stonecrop family)

A total of approximately 1410 species and about 305 infraspecific taxa from 33 genera and 23 hybrid genera are discussed. The largest genus treated in this volume is Sedum (428 species). Other large genera include Aeonium, Crassula, Dudleya, Echeveria, Kalanchoe, Rhodiola, Sempervivum and Tylecodon (together 728 species).