Trichodiadema subg. Gemiclausa Trichodiadema subg. Gemiclausa H.E.K.Hartmann & Niesler in Bradleya 31: 58. 2013 sec. Niesler 20011Type: Trichodiadema occidentale L.Bolus1. Niesler, I. M. 2001 – In: Hartmann, H. E. K., Illustrated handbook of succulent plants. Aizoaceae F – Z. – Berlin, Heidelberg & New York: SpringerContent