The first chapter gives introduction to this subject. The second chapter deals with the prototypes and his classifications. The third chapter provides on the basic concepts of algae. The fourth chapter builds a preliminary overview of fungi. The fifth chapter discusses ascomycetes and basidiomycetes. The sixth chapter describes the lichen. The seventh chapter and eight chapter discusses about the bryophyte and pteridophyte respectively. The ninth chapter and tenth chapter describes gymnosperms ànd angiosperms respectively.