A listing of common names of some 850 of the about 5,000 plant species in the Karoo, aimed at enhancing communication between scientific workers and people who are unfamiliar with scientific names. The lists contain approximately 1750 combinations of scientific and common names, ranging from about 25 common names for a single species, to as many as five species with the same common name. The introduction discusses the resilient but fragile Karoo, its plant treasures and the use of common names. The four lists are respectively sorted by scientific names, by common names, by groups of ecological and grazing importance, and the fourth one reflecting changes in scientific names. A5 size.