Maples turning red – one in five threatened with extinction in the wild. Concerted conservation efforts will prevent their extinction

  ‘The Red List of Acer: revised and extended’, published in September 2020 by Botanic Gardens Conservation International (BGCI), gives the conservation status of all 158 maple or Acer species. Maples (scientific name Acer) are iconic trees. They are hugely popular as ornamentals in parks, gardens and open spaces, with varied shapes and attractive leaf…