Malephora pienaarii Malephora pienaarii van Jaarsv. in Haseltonia 8: 39. 2002 ["2001"] sec. Hartmann 201711. Hartmann, H. E. K. 2017 – In: Hartmann, H. E. K., Illustrated handbook of succulent plants. Aizoaceae, ed. 2. – Berlin: SpringerContent