Subspecies, varieties, forms and cultivars of plants belonging to the Crassula sericea group

• Crassula sericea Schönland: The leaves are densely hairy with a brown margin. The flowers have dorsal appendages. Distribution: Bushmanland and southern Namibia.
• Crassula sericea var. hottentotta (Marloth & Schönland) Toelken: has very fleshy leaves, covered with round papillae instead of hairs, grey-green without a brown margin. Distributrion: shade of rocks from Komaggas to south of Witputz.
• Crassula sericea var. velutina (Friedrich) Toelken: has very short stems (±30 mm long) and yellow pointed petals usually without dorsal appendages. Distribution: western slopes of the mountains of the lower Orange River at high altitudes.