Menaldumerstraat 4 8913 EX, Leeuwarden
"denotation"=>"natural_monument","genus"=>"Fraxinus","leaf_cycle"=>"deciduous","leaf_type"=>"broadleaved","ref:lwdtrees"=>"116:5890","source:date"=>"2015-08-26","species"=>"Fraxinus excelsior","start_date"=>"1925","taxon"=>"Fraxinus excelsior 'Jaspidea'"