Aquatic plants are plants that grow in and around water and have structural, functional, and economical roles in an aquatic ecosystem. This book covers biology and the importance of aquatic plants in food, health, and biofuel industries. This book also discusses their role in water treatment and resource recovery. This book also enlightens the readers about the different types and uses of aquatic plants. Additionally, this will provide highlights on the anatomy of aquatic plants, anatomical adaptations of aquatic plants, life forms of the aquatic plants, evolution, distribution and diversity of aquatic plants, cellular biology, physiology, and morphological adaptions of the aquatic plants. This book also sheds light on the future economic and environmental impacts of microalgal technology. This book also mentions the impact of changing the global environment on the water plants, environmental impacts of the microalgae technology, impacts to aquatic biodiversity, and terrestrial impacts. This book is an important resourse material for students of undergraduate, postgraduate and research scholars working the field of hydroplant ecosystem. This book has been designed to suit the knowledge and pursuit of the researcher and scholars and to empower them with various aspects of the aquatic plants, so that they are updated with the information.