This dataset contains occurrence data of flora and fauna species. From the Netherlands on a 5 x 5 km scale, data from other countries are exact. Observations from Belgium are excluded and can be accessed on GBIF through Natuurpunt and Natagora. It summarizes the observations recorded by >175.000 volunteers.

GBIF url: https://www.gbif.org/dataset/8a863029-f435-446a-821e-275f4f641165
Citation: Observation.org (2026). Observation.org, Nature data from around the World. Occurrence dataset https://doi.org/10.15468/5nilie accessed via GBIF.org on 2026-08-07.