Table 2. Average percentage of reads from all barley, grape, maize, rice and blank samples that map to the four reference genomes.

Samples	Reference genome
	Barley	Grape	Maize	Rice
	5300 Mbp	500 Mbp	2500 Mbp	430 Mbp
Barley samples	0.036	0.019	0.025	0.022
Grape samples	0.018	0.007	0.021	0.012
Maize samples	0.018	0.011	0.013	0.009
Rice samples	0.010	0.008	0.004	0.005
Extraction blanks	0.051	0.037	0.038	0.028

Genome size is listed under each reference genome in megabase pair (Mbp).