Subspecies, varieties, forms and cultivars of plants belonging to the

• Crassula rupestris L.f.: has erect, spreading or decumbent stems up to 500 mm long; leaves brownish-purple with red or yellow margin. Distribution: West to the Fish River valley in the E. Cape.
• Crassula rupestris subs. commutata (Friedrich) Toelken: has leaves less than 4 mm, scarcely fused, internodes visible, stems not rooting when reaching the ground. Distribution: mountains of the lower Orange River.
• Crassula rupestris subs. marnieriana (Huber & H.Jacobsen) Toelken: has rooting, dwarf stems with leaves so close together that the stems appear columnar. Distribution: Swartberg and Anysberg in the Western Cape karoo.
• Crassula rupestris subs. marnieriana cv. Contorta: has stems not linear cylindrical like in the standard type but variously twisted, bent and gnarled.