Table 1.

Summary of sampling sites and focal tree species assessed for foliar fungal disease incidence along the latitudinal gradient in Europe

Forest Site	Alto Tajo	Colline Metallifere	Râsca	Hainich	Bialowieza	North Karelia
	Spain	Italy	Romania	Germany	Poland	Finland
Forest Type	Mediterranean mixed	Thermophilous deciduous	Mountainous beech	Beech	Hemiboreal, nemoral, coniferous, mixed broadleaved–coniferous	Boreal
Mean Forest Age (Years)	90	62	85	111	92	42
Location	40.7° N, 1.9° W	43.2° N, 11.2° E	47.3° N, 26.0° E	51.1° N, 10.5° E	52.7° N, 23.9° E	62.6° N, 29.9° E
Sampling Period	June 2013	June–July 2012	July 2013	July 2012	July–August 2013	August 2012
Plots Sampled	36	36	28	38	43	28
Max Richness Level	4	4	4	4	5	3
Focal Tree Species (Number of sampled trees per species per region)
Broadleaved
Acer pseudoplatanus			42	53
Betula pendula					72	60
Carpinus betulus					81
Castanea sativa		57
Fagus sylvatica			63	92
Fraxinus excelsior				72
Ostrya carpinifolia		50
Quercus cerris		63
Quercus faginea	75
Quercus ilex	51	66
Quercus petraea		56		43
Quercus robur				2	75
Conifer
Abies alba			51
Picea abies			51	34	75	60
Pinus sylvestris	54				75	60
Pinus nigra	72