Temporal distribution of orchid’s collections across Madagascar. Maps present the number of botanical collections made within 0.5° grid cells on different dates (1900, 1950, 2000, 2020). The upper figure is based on dated herbarium records (12693 records), while lower maps are based on dated and georeferenced herbarium records (9824 records).

  Part of: Droissart V, Verlynde S, Ramandimbisoa B, Andriamahefarivo L, Stévart T (2023) Diversity and distribution of Orchidaceae in one of the world`s most threatened plant hotspots (Madagascar). Biodiversity Data Journal 11: e106223. https://doi.org/10.3897/BDJ.11.e106223