Table 2. Summary of K2P distances for increasing taxonomic levels. Data are from 2276 sequences from 668 species and 265 genera (SI Appendix S2). Comparisons within species based on the 514 species with N>1.

Comparisons within	Taxa	Number of individuals (N)	Comparisons	Min	Mean	Max	SE
Species	514	2122	4784	0	1.06	22.16	0.03
Genus, among species	217	2228	28849	0.15	15.34	31.57	0.03
Family, among genera	70	2267	112978	1.87	20.55	33.10	0.01
Order, among families	14	2270	1341805	5.42	23.20	34.54	<0.01
Class, among orders	2	2276	1080131	14.62	24.110	39.15	<0.01