Tribulocarpus retusus (Thulin) Thulin & Liede in Taxon 61: 63. 2012 Tribulocarpus retusus (Thulin) Thulin & Liede in Taxon 61: 63. 2012Taxon for this nameTribulocarpus retusus (Thulin) Thulin & Liede in Taxon 61: 63. 2012