The correct option is A 487
India has a rich biodiversity. India is home to roughly 15000 angiosperms. Various agencies, government and private, are engaged in the conservation steps. One of the important agency involved with conservation efforts is the botanical survey of India. This agency has undertaken following steps for conservation of Indian flora. Germplasm of 65 species of rare, endangered, wild relatives of ornamentals, medicinally important plants has been conserved, multiplied and maintained in different gardens of botanical survey of India. Another 304 species collected for ex-situ conservation and maintained. It has been estimated that around 487 species of flowering plants are endangered in our country.