Alien plant species occurrences points (black dots) and coordinate uncertainty zones (red semi-transparent circles) in the study of the Middle Volga Region.

 

 
  Part of: Senator S, Tretyakova A, Vorontsov D (2020) Distribution of alien plant species of the Middle Volga Region (South-East of the European part of Russia): a dataset. Biodiversity Data Journal 8: e59125. https://doi.org/10.3897/BDJ.8.e59125