Fig. 2: Mapped tree species exposed to high rates of recent change (RRC).
From: More than 17,000 tree species are at risk from rapid global change

a Absolute number of tree species on a log10 scale. b Fraction of local number of tree species that are exposed to high RRC compare. These species have been listed as priority species for IUCN Red List re-evaluation. Colors indicate the number of species’ extent overlapping per grid cell.