Number of occurrences found and number of literary sources consulted per 25-year period.

 
  Part of: Claudel M, Lerigoleur E, Brun C, Guillerme S (2022) Geohistorical dataset of ten plant species introduced into Occitania (France). Biodiversity Data Journal 10: e76283. https://doi.org/10.3897/BDJ.10.e76283