According to Mucina et al. (2005), six vegetation types are represented in the area, namely the Nieuwoudtville Shale Renosterveld (FRs 2); the Roggeveld Shale Renosterveld (FRs 3); the Central Mountain Shale Renosterveld (FRs 5); the Nieuwoudtville Roggeveld dolerite Renosterveld (FRd 1); the Hantam Plateau dolerite Renosterveld (FRd 2); and the Roggeveld Karoo (SKt 3).