World’s botanic gardens contain a third of all known plant species, and help protect the most threatened
The most in-depth species survey to date finds an “astonishing array” of plant diversity in the global botanic garden network, including 41% of all endangered species. However, researchers find a significant imbalance between tropical and temperate plants, and say even more capacity should be given to conservation, as there is “no technical reason for plant species to become extinct”.
