[Imports] Importing trees in Utrecht

[Cascafico Giovanni]

I would use this tagging scheme:

species:nl,taxon,start_date,ref,Lat,Long
Kegelvormige haagbeuk,Carpinus betulus 'Fastigiata',1980,1847669,5.118864,52.
112706
Gewone plataan,Platanus x hispanica,1935,1890560,5.09767,52.104406

all other fields seem redundant