Table 4. Gi* spatial statistics for the six phytogeographical regions of Australian flora. Bolded means statistically significant (α = 0.05).

Environmental variable	Northern (N = 141)	Northern Desert (N = 185)	Eremaean (N = 317)	Eastern Queensland (N = 43)	Euronotian (N = 114)	South-Western (N = 70)
Annual mean radiation	3.37	9.04	4.91	−2.03	−14.90	−6.75
Annual mean temperature	12.69	11.66	−2.55	−0.82	−17.02	−8.45
Annual mean precipitation	17.69	−4.89	−15.45	5.01	6.86	−1.78
Clay	−2.28	1.16	2.05	3.85	0.37	−5.81
Precipitation coldest quarter	−7.31	−7.76	−5.51	1.83	16.26	9.71
Precipitation seasonality	17.38	13.23	−12.83	−1.61	−12.59	−3.84
Radiation seasonality	−14.83	−11.44	7.22	−2.44	15.81	6.86
Ridge Top flatness	−1.90	3.29	3.60	−3.16	−5.74	0.89
Rock grain size	1.52	−4.71	−0.20	−0.89	−1.31	7.70
Sand	3.31	0.78	−2.26	−2.79	−1.84	2.85
Temperature seasonality	−18.07	0.87	18.42	-0.86	−4.80	−2.77

N =  number of grid cells per region. Underlined values are the most extreme scores for each region.