This book provides the floristic information of Flora of Subtropical Humid region of India (Etawah and Auraiya Districts) Uttar Pradesh State for the students ofM.Sc. and Ph.D of Botany, Agriculture, and other fields related to taxonomy.The area dealt with in this Flora amounts 4,486 Sq. Kms. The elevation of the districts varies between 146.3 m and 147.7 m above the sea level. The Flora comprise of 560 species belonging to 340 genera and 102 families of Angiosperms. The ratio of genera and species is approximately 1: 13 for world, 1: 7 for India, and 1: 2.2 for the Gangetic plains.