Table 2. Average genetic differences (%) between the units identified in the C. azurea complex and the related taxa, based on the K2P combined plastid loci (below diagonal) and nuclear ITS2 (above diagonal).
| C. azurea European clade | C. azurea North American clade | C. sinensis | C. orientalis | C. peruviana | C. granulata |
C. azurea North American/Asian clade |
C. tosana | |
|---|---|---|---|---|---|---|---|---|
| C. azurea European clade | 1.00 | 1.54 | 2.28 | 0.80 | 2.02 | 2.47 | - | |
| C. azurea North American clade | 1.55 | 1.34 | 2.48 | 0.60 | 2.22 | 2.16 | - | |
| C. sinensis | 1.44 | 1.87 | 2.41 | 1.14 | 2.55 | 2.20 | - | |
| C. orientalis | 1.89 | 1.03 | 2.17 | 2.28 | 2.69 | 2.24 | - | |
| C. peruviana | 0.73 | 1.83 | 1.69 | 1.94 | 2.02 | 2.06 | - | |
| C. granulata | 1.29 | 1.55 | 1.44 | 1.77 | 1.46 | 3.72 | - | |
| C. azurea North American/Asian | - | - | - | - | - | - | - | |
| C. tosana | 1.94 | 1.10 | 2.23 | 0.95 | 2.11 | 1.94 | - |