List of Crassula Species

References to Crassula

• Bliss, S. A.; Zedler, P. H. 1998 . The germination process in vernal pools: sensitivity to environmental conditions and effects on community structure.
• Bywater, M.; Wickens, G. E. 1984 . New-world species of the genus Crassula. Kew Bull. 39: 699-728.