Plant Ecology is a newer sub discipline of Ecology. plant Ecology is the study of plants and trees etc. in their environment, especially how they relate to each other. In fact, all the living beings including plants and their direct or indirect relation to the non-livings, constitute the ecosystem. For a healthy life, they all play vital roles and for a sound ecosystem, a few precautions, taken by us, are necessary. This work is a precious gift to everyone concerned with the subject. Prepared with utmost care, it undoubtedly, serves a great purpose.