| Nucleotide identity (%) | ||||
| Group 1 | Group 2 | Group 3 | Group 4 | |
| Group 1 | 87.5 - 100 | - | - | - |
| Group 2 | 67.9 - 81.2 | 88.1 - 100 | - | - |
| Group 3 | 71.7 - 80.5 | 69.0 - 86.5 | 75.9 - 100 |
|
| Group 4 | 68.3 - 80.9 | 68.2 - 79 | 60.9 - 74.8 | 83.3 - 100 |
| BSOLV | 69.2 - 75.8 | 72.8 - 79.0 | 61.8 - 71.6 | 76.9 - 100 |
| BSImV | 68.1 - 71 | 65.3 - 69.4 | 6.1 - 69.8 | 65.2 - 71.2 |
| BSMyV | 66.5 - 67.9 | 64.8 - 66.6 | 60.7 - 68.4 | 60 - 67.5 |
| BSGFV | 62.3 - 66.3 | 64.5 - 67.6 | 55.9 - 66.8 | 61.3 - 63.9 |
| BSCavV | 67.6 - 69.8 | 70.7 - 77.5 | 63.1 - 70.3 | 65.1 - 73.8 |
| BSAcVNV | 65.2 - 67.2 | 66.3 - 69.9 | 61.6 - 68.4 | 63.9 - 65.1 |
| BSUIV | 63.7 - 65.1 | 62.7 - 65.8 | 55.5 - 66.9 | 58.7 - 63.4 |
| BSUgAV | 69.0 - 70.8 | 71.0 - 73.8 | 61.3 - 71.2 | 69.2 - 75.0 |
| BSULV | 61.2 - 62.7 | 61.1 - 63.7 | 58.9 - 64.7 | 60.6 - 63.4 |
| BSUMV | 61.1 - 64.8 | 59.8 - 63.0 | 58.8 - 63.7 | 58.2 - 65.7 |
| BSESV | 38.5 - 45.9 | 38.9 - 45.8 | 40.8 - 46.7 | 35.5 - 41.1 |
| BSEGV | 43.6 - 47.5 | 44.2 - 51.1 | 41.0 - 45.2 | 44.6 - 49.6 |
| BSCV | 76.8 - 79.2 | 68.7 - 75.1 | 68.8 - 79.7 | 66.5 - 70.3 |
| BSCuV | 69.4 - 73.2 | 68.8 - 78.1 | 69.4 - 73.2 | 68.8 - 79.2 |
| BSKAV | 66.2 - 70.8 | 72.5 - 78.2 | 72.9 - 63.1 | 66.5 - 80.0 |