The Leguminochoria A1–A5 & B1 superimposed on the Bioregions of southern Africa. Cluster A (Sourveld and Mixed Veld Group) is divided into the Southern Afromontane (A1); Albany Centre (A2); Northern Highveld Region (A3); Drakensberg Alpine Centre (A4); and the Coastal Region (A5). Cluster B (Seasonal Rainfall Group) is here represented by the Arid Western Region (B1); for other subdivisions of cluster B, see Figure 5. The leguminochoria is mapped on bioregions defined by (Rutherford et al. 2006) referring to the legend in Figure 2.