Taxa coverage for <i>CO1</i> primer pairs.

<p>Percentage of species potentially amplified for each combination of primer pair and phylum. Wheat color bars represent number of species tested per primer and dark blue color bars percentage of species (within the tested ones) potentially amplified for each primer pair. The maximum value on the left Y axis indicates the total number of species for which <i>CO1</i> sequence is available per phylum.