"circumference"=>"5.5","leaf_type"=>"broadleaved","species"=>"Quercus robur","species:nl"=>"zomereik"
"circumference"=>"5.1","leaf_type"=>"broadleaved","species"=>"Fagus sylvatica Purpurea","species:nl"=>"beuk"
"circumference"=>"3.9","leaf_type"=>"needleleaved","species"=>"Metasequoia glyptostroboides"
"circumference"=>"5.8","description"=>"tree planted around 1724","leaf_type"=>"broadleaved","species"=>"Tilia europaea","species:nl"=>"hollandse linde"
"species"=>"dutch lime","species:nl"=>"hollandse linde","start_date"=>"1898"