Table 2.

Statistics for leaf width and area in terms of explanatory variables for Dodonaea viscosa subsp. angustissima.

explanatory variable	slope	intercept	adjusted r2	p-value	Pearson correlation coefficient (adjusted p-value)
herbarium samples (leaf width)
latitude	−0.66753	−18.11617	0.28740	<0.0001	−0.54 (<0.0001)
year	−0.01756	37.72309	0.05723	<0.0001	−0.25 (0.0017)
latitude and year covariates	see below	13.94	0.33400	<0.0001	—
latitude (covariate with year)	−0.65535	—	—	<0.0001	—
year (covariate with latitude)	−0.01609	—	—	<0.0001	—
field samples (leaf area)
altitude	−0.067684	114.765793	0.2025	<0.0001	−0.45 (<0.0001)