BCGI (Botanical Gardens Conservation International)

The organization which has revealed that more than 60,000 species of trees are available globally. The BCGI(Botanical Gardens Conservation International), a charity that has compiled the list of trees on the basis of data gathered from its network of 500 member organizations. | Of that number, more than half were found to only occur in a single country, which could suggest an increased vulnerability to threats said the authors of the database. | The researchers claim to have collected information over a period of two years from sources including over 500 published contents and 80 experts in the BCGI's network. | BGCI in collaboration with the International union for Conservation of nature identified 60,065 tree species currently living on earth.