During the last few decades, there has been an increasing interest in medicinal plants and their traditional uses. Many urgent issues initiated such research activities, among them is the multidrug resistance of microbial strains which is regarded now as a global alarming issue.This book presents information on the phytochemistry of some potential plants widely used in the traditional system of medicine. The ethnopharmacological activities of these plants have been discussed. Also, the taxonomic profiles of these plants have been outlined.