Table 1 Contemporary and historical model-averaged regression coefficients for models explaining functional richness for six orders of European angiosperms.

Functional richness
		Caryophyllales (1384)	Brassicales (973)	Ranunculales (654)	Saxifragales (352)	Rosales (334)	Malpighiales (73)
Intercept	a	0.136	0.024	0.147	−0.024	−0.03	−0.129
Annual Temperature	b	0.271	0.047	0.29	−0.395	0.448	−0.77
Annual Temperature	b ²	0.001	−0.087	−0.572	−0.611	−0.784
Annual Precipitation	b	0.001	0.023	−0.02	0.135	−0.011	0.128
Annual Precipitation	b ²	0.006					0.002
NDVI	b	−0.15	0.217	0.017	0.189	0.076	0.538
NDVI	b ²	−0.001	−0.29	−0.035	−0.096		−0.559
Topographic heterogeneity	b	−0.106	0.029	0.112	0.006	0.194	−0.128
Topographic heterogeneity	b ²	0.216	0.113		0.126		0.228
Annual temperature Velocity	b	−0.103	−0.057	−0.02	−0.131	−0.131	−0.043
Annual temperature Velocity	b ²	0.019	0.012
Annual Precipitation Velocity	b	0.002	0.03	0.007	0.021	−0.003	−0.014
Annual Precipitation Velocity	b ²	−0.043	−0.004
Accessibility	b	−0.024	0.003	0.029	−0.344	0.304	−0.117
Accessibility	b ²	−0.002	−0.001	−0.001			−0.054

Average regression coefficients estimated based on the regression coefficients from 576 spatial autoregressive models (SAR) using ref. 56 model averaging approach. Estimates show the mean functional diversity (a), and both the lineal (b) and quadratic (b²) modelled averaged standardized coefficients for each evaluated predictor. Empty cell are model modelled averaged standardized coefficients lower than 0.001. Values in parenthesis at the top of every column show the number of evaluated species per order.

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