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"ref"=>"1369","species"=>"Acer platanoides 'Globosum'","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"1432","species"=>"Robinia pseudoacacia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1301","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1985"
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"ref"=>"1302","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"1431","species"=>"Robinia pseudoacacia","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"1376","species"=>"Robinia pseudoacacia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"205","species"=>"Betula pendula","leaf_type"=>"broadleaved","start_date"=>"1975"
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"ref"=>"1378","species"=>"Robinia pseudoacacia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1430","species"=>"Robinia pseudoacacia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"176","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1975"
"ref"=>"1112","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1360","species"=>"Robinia pseudoacacia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1089","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1379","species"=>"Robinia pseudoacacia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1429","species"=>"Alnus glutinosa","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"1358","species"=>"Robinia pseudoacacia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1385","species"=>"Alnus glutinosa","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"1355","species"=>"Robinia pseudoacacia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1117","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1404","species"=>"Platanus × hispanica","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1356","species"=>"Robinia pseudoacacia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1045","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1076","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1406","species"=>"Betula pendula","leaf_type"=>"broadleaved","start_date"=>"1970"
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"ref"=>"1078","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1384","species"=>"Alnus glutinosa","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1062","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"1061","species"=>"Betula pendula","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"37","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"1060","species"=>"Betula pendula","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1021","species"=>"Alnus incana","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1020","species"=>"Alnus incana","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"1019","species"=>"Alnus cordata","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"1388","species"=>"Liquidambar styraciflua","leaf_type"=>"broadleaved","start_date"=>"2002"
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"ref"=>"1121","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1034","species"=>"Acer rufinerve","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"1016","species"=>"Alnus incana","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"14","species"=>"Acer pseudoplatanus","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"45","species"=>"Acer platanoides","leaf_type"=>"broadleaved","start_date"=>"1995"
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"ref"=>"1332","species"=>"Betula utilis","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"1086","species"=>"PRUNUS SERRUL","leaf_type"=>"broadleaved","start_date"=>"1995"
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"ref"=>"1124","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"932","species"=>"Tilia × europaea","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"1337","species"=>"Betula utilis","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"1350","species"=>"Betula utilis","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"47","species"=>"Acer pseudoplatanus","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"5","species"=>"Tilia × europaea","leaf_type"=>"broadleaved","start_date"=>"1985"
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"ref"=>"1354","species"=>"Betula utilis","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1127","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1970"
"ref"=>"948","species"=>"Sorbus intermedia","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"10","species"=>"Acer pseudoplatanus","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1344","species"=>"Betula utilis","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1126","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1970"
"ref"=>"949","species"=>"Sorbus intermedia","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"1345","species"=>"Betula utilis","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"947","species"=>"Sorbus intermedia","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"17","species"=>"Sorbus aria","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"50","species"=>"Acer pseudoplatanus","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"250","species"=>"Betula pendula","leaf_type"=>"broadleaved","start_date"=>"1975"
"ref"=>"945","species"=>"Sorbus intermedia","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"1132","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1970"
"ref"=>"1059","species"=>"Tilia × europaea","leaf_type"=>"broadleaved","start_date"=>"1960"
"ref"=>"100","species"=>"Crataegus monogyna","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"944","species"=>"Sorbus intermedia","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"77","species"=>"Acer platanoides 'Globosum'","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"64","species"=>"Acer pseudoplatanus","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"73","species"=>"Acer platanoides 'Globosum'","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"942","species"=>"Sorbus intermedia","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"149","species"=>"Acer pseudoplatanus","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"1134","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1970"
"ref"=>"63","species"=>"Alnus glutinosa","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"58","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1975"
"ref"=>"74","species"=>"Acer platanoides 'Globosum'","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"101","species"=>"Crataegus monogyna","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"79","species"=>"Acer platanoides 'Globosum'","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"93","species"=>"Acer pseudoplatanus","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"76","species"=>"Acer platanoides 'Globosum'","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"75","species"=>"Acer platanoides 'Globosum'","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"102","species"=>"Crataegus monogyna","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"150","species"=>"Acer pseudoplatanus","leaf_type"=>"broadleaved","start_date"=>"1975"
"ref"=>"151","species"=>"Acer pseudoplatanus","leaf_type"=>"broadleaved","start_date"=>"1975"
"ref"=>"268","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1975"
"ref"=>"939","species"=>"Sorbus intermedia","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"269","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1975"
"ref"=>"938","species"=>"Sorbus intermedia","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"270","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1975"
"ref"=>"267","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1975"
"ref"=>"937","species"=>"Sorbus intermedia","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"1136","species"=>"Alnus incana","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"936","species"=>"Sorbus intermedia","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"1331","species"=>"Sorbus aria","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"935","species"=>"Sorbus intermedia","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"266","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1975"
"ref"=>"104","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"933","species"=>"Sorbus intermedia","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"934","species"=>"Sorbus intermedia","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"98","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"256","species"=>"Betula pendula","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"55","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1975"
"ref"=>"109","species"=>"Salix alba","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"264","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1975"
"ref"=>"60","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1975"
"ref"=>"1329","species"=>"Alnus cordata","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"65","species"=>"Crataegus laevigata","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"152","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"83","species"=>"Robinia pseudoacacia","leaf_type"=>"broadleaved","start_date"=>"2000"
"ref"=>"1146","species"=>"Robinia pseudoacacia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1148","species"=>"Robinia pseudoacacia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"253","species"=>"Betula pendula","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1147","species"=>"Robinia pseudoacacia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1145","species"=>"Robinia pseudoacacia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1149","species"=>"Robinia pseudoacacia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"66","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1975"
"ref"=>"1014","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1326","species"=>"Crataegus monogyna","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"127","species"=>"Platanus × hispanica","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"91","species"=>"Acer pseudoplatanus","leaf_type"=>"broadleaved","start_date"=>"2002"
"ref"=>"1013","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"117","species"=>"Carpinus betulus","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"89","species"=>"Acer pseudoplatanus","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"128","species"=>"Platanus × hispanica","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"71","species"=>"Alnus glutinosa","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"129","species"=>"Platanus × hispanica","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"1012","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"131","species"=>"Prunus avium","leaf_type"=>"broadleaved","start_date"=>"1998"
"leaf_type"=>"broadleaved","ref"=>"130","species"=>"Prunus avium","start_date"=>"1998"
"ref"=>"1011","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"124","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"90","species"=>"Acer pseudoplatanus","leaf_type"=>"broadleaved","start_date"=>"2002"
"ref"=>"70","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1975"
"ref"=>"126","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"133","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1975"
"ref"=>"928","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"2000"
"ref"=>"275","species"=>"Carpinus betulus","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"925","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"2000"
"ref"=>"927","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"2000"
"ref"=>"273","species"=>"Carpinus betulus","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"929","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"2000"
"ref"=>"136","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1975"
"ref"=>"88","species"=>"Betula pendula","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"132","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1970"
"ref"=>"930","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"2000"
"ref"=>"926","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"2000"
"ref"=>"135","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1975"
"ref"=>"1175","species"=>"Alnus cordata","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"138","species"=>"Juglans regia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1169","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"922","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"923","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1253","species"=>"Alnus cordata","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"921","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"924","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1255","species"=>"Tilia × europaea","leaf_type"=>"broadleaved","start_date"=>"1995"
"ref"=>"2064","species"=>"Betula pendula","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1254","species"=>"Robinia pseudoacacia","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"1252","species"=>"Alnus cordata","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1173","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"2060","species"=>"Salix pentandra","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"920","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1256","species"=>"Tilia × europaea","leaf_type"=>"broadleaved","start_date"=>"2000"
"ref"=>"1251","species"=>"Alnus cordata","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"148","species"=>"Alnus cordata","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1170","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"1257","species"=>"Tilia × europaea","leaf_type"=>"broadleaved","start_date"=>"1995"
"ref"=>"1260","species"=>"Acer pseudoplatanus","leaf_type"=>"broadleaved","start_date"=>"1970"
"ref"=>"139","species"=>"Juglans regia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"2062","species"=>"Betula pendula","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1258","species"=>"Tilia × europaea","leaf_type"=>"broadleaved","start_date"=>"1995"
"ref"=>"143","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1261","species"=>"Acer pseudoplatanus","leaf_type"=>"broadleaved","start_date"=>"1970"
"ref"=>"142","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1259","species"=>"Tilia × europaea","leaf_type"=>"broadleaved","start_date"=>"1995"
"ref"=>"289","species"=>"Robinia pseudoacacia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"144","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1171","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"1159","species"=>"Alnus cordata","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1160","species"=>"Alnus cordata","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"328","species"=>"Pterocarya fraxinifolia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1168","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"396","species"=>"Pterocarya fraxinifolia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"395","species"=>"Pterocarya fraxinifolia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"325","species"=>"Pterocarya fraxinifolia","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"324","species"=>"Pterocarya fraxinifolia","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"397","species"=>"Pterocarya fraxinifolia","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"1172","species"=>"Alnus cordata","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1262","species"=>"Acer pseudoplatanus","leaf_type"=>"broadleaved","start_date"=>"1970"
"ref"=>"1166","species"=>"Alnus cordata","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1164","species"=>"Alnus cordata","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1239","species"=>"Alnus cordata","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"2057","species"=>"Betula pendula","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1236","species"=>"Catalpa bignonioides","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1167","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1240","species"=>"Alnus cordata","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"330","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1165","species"=>"Alnus cordata","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1157","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"331","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"319","species"=>"Pterocarya fraxinifolia","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"2058","species"=>"Betula pendula","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1158","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"339","species"=>"Pterocarya fraxinifolia","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"1264","species"=>"Acer pseudoplatanus","leaf_type"=>"broadleaved","start_date"=>"1970"
"ref"=>"1244","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"2056","species"=>"Acer platanoides","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"338","species"=>"Pterocarya fraxinifolia","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"1269","species"=>"Tilia × europaea","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"316","species"=>"Pterocarya fraxinifolia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1227","species"=>"Acer platanoides","leaf_type"=>"broadleaved","start_date"=>"1970"
"ref"=>"1228","species"=>"Acer platanoides","leaf_type"=>"broadleaved","start_date"=>"1970"
"ref"=>"341","species"=>"Pterocarya fraxinifolia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1226","species"=>"Acer platanoides 'Globosum'","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1225","species"=>"Acer platanoides 'Globosum'","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1224","species"=>"Acer platanoides 'Globosum'","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1270","species"=>"Tilia × europaea","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"1223","species"=>"Acer platanoides 'Globosum'","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1271","species"=>"Tilia × europaea","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"370","species"=>"Crataegus laevigata","leaf_type"=>"broadleaved","start_date"=>"2000"
"ref"=>"1220","species"=>"Acer platanoides 'Globosum'","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1198","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1230","species"=>"Catalpa bignonioides","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1201","species"=>"Betula pendula","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1222","species"=>"Acer platanoides 'Globosum'","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1272","species"=>"Tilia × europaea","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"1221","species"=>"Acer platanoides 'Globosum'","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"369","species"=>"Tilia × europaea","leaf_type"=>"broadleaved","start_date"=>"1970"
"ref"=>"367","species"=>"Tilia × europaea","leaf_type"=>"broadleaved","start_date"=>"1970"
"ref"=>"366","species"=>"Tilia × europaea","leaf_type"=>"broadleaved","start_date"=>"1970"
"ref"=>"52626","species"=>"Alnus glutinosa","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"365","species"=>"Tilia × europaea","leaf_type"=>"broadleaved","start_date"=>"1970"
"ref"=>"1273","species"=>"Tilia × europaea","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"1277","species"=>"Prunus avium","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"1219","species"=>"Betula pendula","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"890","species"=>"Crataegus monogyna","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"354","species"=>"Pterocarya fraxinifolia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1217","species"=>"Betula pendula","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1214","species"=>"Alnus cordata","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"888","species"=>"Crataegus monogyna","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"1202","species"=>"Betula pendula","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"353","species"=>"Pterocarya fraxinifolia","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1275","species"=>"Tilia × europaea","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"1951","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"352","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"351","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1276","species"=>"Tilia × europaea","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"1203","species"=>"Betula pendula","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"374","species"=>"Acer campestre","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"372","species"=>"Acer campestre","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"350","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"349","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"371","species"=>"Acer campestre","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"348","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1971","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1949","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"376","species"=>"Acer campestre","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"346","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1972","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1211","species"=>"Acer pseudoplatanus","leaf_type"=>"broadleaved","start_date"=>"1995"
"ref"=>"1948","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"1208","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"892","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"1973","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"873","species"=>"Carpinus betulus","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"1278","species"=>"Acer pseudoplatanus","leaf_type"=>"broadleaved","start_date"=>"1970"
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"ref"=>"667","species"=>"Salix alba","leaf_type"=>"broadleaved","start_date"=>"1985"
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"ref"=>"666","species"=>"Salix alba","leaf_type"=>"broadleaved","start_date"=>"1985"
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"ref"=>"516","species"=>"Betula pendula","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"518","species"=>"Prunus avium","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"752","species"=>"Carpinus betulus","leaf_type"=>"broadleaved","start_date"=>"1985"
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"ref"=>"2299","species"=>"Populus x canescens","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"817","species"=>"Pterocarya fraxinifolia","leaf_type"=>"broadleaved","start_date"=>"1985"
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"ref"=>"702","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"2297","species"=>"Populus x canescens","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"579","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"717","species"=>"Carpinus betulus","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"706","species"=>"Alnus glutinosa","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"2326","species"=>"Quercus robur","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"696","species"=>"Salix pentandra","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"578","species"=>"Alnus glutinosa","leaf_type"=>"broadleaved","start_date"=>"1990"
"ref"=>"714","species"=>"Carpinus betulus","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"534","species"=>"Acer saccharinum","leaf_type"=>"broadleaved","start_date"=>"2006"
"ref"=>"536","species"=>"Fraxinus ornus","leaf_type"=>"broadleaved","start_date"=>"2008"
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"ref"=>"715","species"=>"Carpinus betulus","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"698","species"=>"Salix pentandra","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"746","species"=>"Sorbus aria","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"713","species"=>"Carpinus betulus","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"530","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"555","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"577","species"=>"Alnus glutinosa","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"556","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"532","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"678","species"=>"Alnus glutinosa","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"722","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"561","species"=>"Alnus glutinosa","leaf_type"=>"broadleaved","start_date"=>"1985"
"ref"=>"718","species"=>"Fraxinus excelsior","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"681","species"=>"Alnus glutinosa","leaf_type"=>"broadleaved","start_date"=>"1980"
"ref"=>"742","species"=>"Alnus cordata","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"760","species"=>"Alnus glutinosa","leaf_type"=>"broadleaved","start_date"=>"1980"
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"ref"=>"39870","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2009"
"ref"=>"39673","species"=>"Pyrus calleryana","leaf_type"=>"broadleaved","start_date"=>"2007"
"ref"=>"39674","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2007"
"ref"=>"39675","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39853","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39861","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39851","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39880","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39677","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39860","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39857","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39676","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39856","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39678","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39680","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39912","species"=>"Pyrus calleryana","leaf_type"=>"broadleaved","start_date"=>"2007"
"ref"=>"39682","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39683","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39685","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39684","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39688","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39690","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39904","species"=>"Pyrus calleryana","leaf_type"=>"broadleaved","start_date"=>"2007"
"ref"=>"39695","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39708","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39696","species"=>"Alnus spaethii","leaf_type"=>"broadleaved","start_date"=>"2005"
"ref"=>"39903","species"=>"Pyrus calleryana","leaf_type"=>"broadleaved","start_date"=>"2007"