Table 2.

Occurrences of Tier 3 functions and taxa across 24 tree phyllosphere samples. Occurrences of Tier 3 bacterial functions and taxa that are respectively more or less abundant than 95% of the values obtained from a null model randomizing abundances of functions and taxa across hosts (n = 9999)

	Number of combinations in the top 5% of the null model values	% of total	Number of combinations in the bottom 5% of the null model values	% of total	Total number of combinations
Functions
Tier 3 functions	4360	70	930	15	6192
Taxa
Phylum	1397	69	279	14	2016
Class	1073	63	405	24	1704
Order	2426	62	988	25	3888
Family	5597	64	2014	23	8808
Genus	26,723	66	6690	16	40,608
Species	183,337	76	23,479	10	240,288