| potato virus s | solanum tuberosum | canada: agricultural certification services, new brunswick | solanum tuberosum | 1933130026 |
| potato virus s | solanum tuberosum | canada: agricultural certification services, new brunswick | solanum tuberosum | 1933130033 |
| potato virus s | solanum tuberosum | canada: agricultural certification services, new brunswick | solanum tuberosum | 1933130040 |
| potato virus s | solanum tuberosum | canada: agricultural certification services, new brunswick | solanum tuberosum | 1933130047 |
| potato virus s | solanum tuberosum | canada: agricultural certification services, new brunswick | solanum tuberosum | 1933130054 |