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, Online Resource 2 Climatic characteristics along the longitudinal gradient

, Left: mean monthly precipitation (black line in mm) and temperature (grey line in °C) for the period 1994-2013 for 3 stations of the French Network Météo-France (Rennes, Trumilly and Nancy) Right: Mean soil water deficit (SWD in mm, white circles) and soil water surplus (SWS in mm, black circles) for the period 1994-2013. Calculations have been made with a SWHCm of 120 mm, Online Resource 2 Climatic characteristics along the longitudinal gradient, 1955.

, Online Resource 11 Percentages of the variance of the fructification datasets explained by statistical models (Figure)