Invasive alien plants in the Namib-Naukluft Park. The following invasive alien species have been recorded for the Namib- Naukluft Park: Argemone ochroleuca, Datura innoxia, Q. stramonium, Melia azedarach, Nicotiana glauca, Opuntia aurantiaca, Prosopis sp and Ricinus commnis. Keywords: Namibia, Namib Desert, Kuiseb River, Prosopis sp., Acacia erioloba alien plant species.