The Red List of Oaks, published jointly by Botanic Gardens Conservation International (BGCI) and Fauna & Flora International (FFI), through the Global Trees Campaign (GTC), identifies 78 wild oaks as being in danger of extinction, from a global total of over 500 species. This report presents a review of the conservation status in the wild of oaks worldwide, undertaken by the IUCN/SSC Global Tree Specialist Group.