Distribution in Uruguay of (a) the total 12,470 occurrence records of vascular plants in Biodiversidata, (b) sampling effort with 25 × 25 km grid-cell resolution (the mid-size resolution used for Biodiversidata's analyses) and (c) urban areas (orange dots with size relative to surface in km2), routes (international, primary and secondary) and main rivers. Projection WGS1984.