Model AIC Predictor variable Estimate (SE) Z P
PGLMM 1976.6 Intercept 0.614 (0.893) 0.688 0.492
Plant height 0.409 (0.096) 4.268 <0.001
Leaf area 0.071 (0.028) 2.549 0.011
Genome size 0.304 (0.067) 4.514 <0.001
Leaf N 0.103 (0.121) 0.850 0.395
Growth form 0.075 (0.089) 0.838 0.402
Plant height*Leaf area 0.015 (0.035) 0.437 0.662
Model AIC Predictor variable Estimate (SE) t P
GLM 2731.5 Intercept -0.822 (0.233) -3.522 <0.001
Plant height 0.330 (0.100) 3.299 0.001
Leaf area 0.231 (0.033) 6.961 <0.001
Genome size 0.281 (0.056) 5.034 <0.001
Leaf N 0.271 (0.165) 1.646 0.099
Growth form 0.527 (0.091) 5.784 <0.001
Plant height*Leaf area 0.081 (0.037) 2.204 0.028