Trees that are managed by the Municipality of The Hague
The source is quite extensive with list of all trees, every single tree's age, its scientific and Dutch name, city district and neighbourhood where it is. The list was filtered to make a list of all species with their scientific names, together with the number of trees per species and the average age of these trees. To simplify more, the location was generalised to The Hague.
Download the original data in CSV format using the link below.