"species"=>"Ulmus hollandica","leaf_type"=>"broadleaved","species:nl"=>"Hollandse iep","description"=>"tree planted around 1800","circumference"=>"3.6"
"species"=>"Fagus sylvatica","leaf_type"=>"broadleaved","species:nl"=>"beuk","circumference"=>"5.55"
"species"=>"Quercus robur","leaf_type"=>"broadleaved","species:nl"=>"Zomereik","circumference"=>"4.3"