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

• Crassula lycopodioides var. variegata E.Lamb: silver-grey variety. It is particularly attractive.
• Crassula muscosa L.: subshrubs 100-400 mm tall, erect or decumbent, the wiry branching stems slightly woody, covered by four ranks of triangular, scaly leaves. Distribution: karoo areas, Namaqualand and southern Namibia.
• Crassula muscosa f. cristata: its stems that develops odd crested growth in the apex.
• Crassula muscosa var. obtusifolia (Harv.) G.D.Rowley: has woody branches with tufted habit and does not exceed 100-150 mm high. Leaves subrotund or deltoid, mostly obtuse. Distribution: Cedarberg to the Orange River.
• Crassula muscosa var. parvula (Eckl. & Zeyh.) Toelken: is a small plants with tufted habit 100-150 mm high. Distribution: Uniondale, Grahamstown and Middelbure in the Eastern Cape.
• Crassula muscosa var. polpodacea (Eckl. & Zeyh.) G.D.Rowley: has sinuous or decumbent more slender branches 30-50 cm long, the yellowish-green leaves adpressed to the stem and smaller. Distribution: Willowmore, Port Elizabeth and King William's Town.