Patterns of endemism within the Karoo National Park, South Africa

A checklist of 864 plant taxa representing 355 genera and 93 families is gi ven for the Karoo National Park. A total of 121 species are endemic to the Nama-Karoo, with Asteraceae the most common with 33 taxa, followed by Mesem bryanthemaceae with 26 taxa. Phytochorological affinities indicate that 19. 8% of the species are from the Nama-Karoo Biome only, another 19.8% are dis tributed over two biomes, and 41% of the species have a widespread distribu tion. The Karoo National Park conserves 30% of the recognized endemics of t he Nama-Karoo Biome.