The frequency of sampled sites within 10 × 10 km grid cells in Slovakia, categorised into six levels (n = 562 grid cells; NA – not applicable).

 
 
  Part of: Litavský J, Stašiov S, Mihál I, Šalkovič M (2025) An annotated checklist and the first Red List of harvestmen (Opiliones) of Slovakia. ZooKeys 1230: 1-24. https://doi.org/10.3897/zookeys.1230.134516