Table 1.

Correlation coefficients between species richness patterns of different species groups and biogeographic affinities. (The p-values of all correlation coefficients tested using a bootstrap method (see §2) are smaller than 0.05.)

	trees	shrubs	lianas
all woody plants	0.99	0.99	0.97
trees	—	0.96	0.98
shrubs	—	—	0.93
	tropical	temperate	cosmopolitan
all woody plants
overall	0.93	0.87	0.93
tropical	—	0.61	0.74
temperate	—	—	0.96
trees
overall	0.94	0.88	0.65
tropical	—	0.63	0.42
temperate	—	—	0.80
shrubs
overall	0.91	0.85	0.94
tropical	—	0.51	0.77
temperate	—	—	0.87
lianas
overall	0.94	0.84	0.78
tropical	—	0.50	0.46
temperate	—	—	0.71