Fig. 1: The worldwide biogeography of annual plant prevalence.
From: Revising the global biogeography of annual and perennial plants

a, A map of the proportion of annual species (among herbaceous species) in each ecoregion. b, The distribution of annual plant proportions among ecoregions. Ecoregions with insufficient data (Methods) are coloured grey, resulting in 682 coloured ecoregions.