The objective of this book is to clarify the nature of the classification of plant science in the language easy, Modzzha, when what was possible, including examples, but without assuming any prior knowledge of division. This book is designed to introduce the science of classification describes the contemporary aspirations of the current classified, principles and means to be a backdrop for that. This book contains three sections, the first section; discussed when the foundations of plant classification and stages of growth, and the second part is exposed in some detail the sources of information classification of the other branches of Botany, and the third section of this book deals with aspects of the application of scientific classification.