This document summarizes information about biodiversity in mango plants. It begins by defining biodiversity and explaining why it is important. It then provides details about the botanical classification of mango plants, their origin in Southeast Asia, centers of diversity in India, important cultivars that have been developed, and objectives and methods for mango breeding programs. The goal of such programs is to develop new mango varieties with traits like dwarf trees, early and regular bearing, high quality fruits, disease resistance, and suitability for transport and processing.