Figure 4 from: Steeman R, Vanreusel W, Barendse R, Verloove F, Wysmantel N, Van den Bussche W, Gyselinck T, Hendrickx P, Zwaenepoel A, Van Vooren P, Jacobs S, Desmet P, Gielen K, Herremans M, Swinnen K, all plant working groups and plant observers (2017) Waarnemingen.be – Plant occurrences in Flanders and the Brussels Capital Region, Belgium. PhytoKeys 85: 1-10. https://doi.org/10.3897/phytokeys.85.14925

Figure 4 - Left: the number of plant observations per IFBL grid cell. Red (1–200), orange (201–500), yellow (501–1000), light blue (1001–2000) and dark blue (2001–14000). Right: the number of plant species (subspecies, varieties, forms, hybrids and multispecies not included) per IFBL grid cell. Red (1–150), orange (151–300), yellow (301–450) and blue (451–600). The two white IFBL grid cells in the west of Flanders are locations without plant observations.