Figure 2. Number of reference species identified by each locus at one- or more-of three taxonomic levels (i.e. all assignments at the species-level are also matches at the genus-level). Species-level taxonomy is only assigned for sequences matching GenBank reference data at >98% identity. Error bars show variation among nine replicates for a given locus. Filled bars show reference taxa identified exclusively (i.e., not by any of the other loci tested) by the locus indicated to the taxonomic rank shown by color.