The Red List of Oaks 2020

An estimated 31% of the world’s oak species are threatened with extinction according to data compiled in The Red List of Oaks 2020, with assessments completed by The Morton Arboretum and the International Union for Conservation of Nature (IUCN) Global Tree Specialist Group. This report  details for the first time the distributions, population trends and threats facing the world’s estimated 430 oak species, and will serve as a roadmap for conservation action. It identfies 217 (50%) of the world’s 430 oak species are of conservation concern. Nearly one-third (31%) are considered threatened with extinction, with many species entering the IUCN Red List for the first time in a threatened category.