Argyroderma delaetii var. purpureum C.A.Maass in Z. Sukkulentenk. 3: 294. 1928 Argyroderma delaetii var. purpureum C.A.Maass in Z. Sukkulentenk. 3: 294. 1928Taxon for this nameArgyroderma delaetii var. purpureum C.A.Maass