| argentina | chubut province | uncultured sar116 cluster alpha proteobacterium | species | 6 | 0 |
| chile | | uncultured sar116 cluster alpha proteobacterium | species | 3 | 0 |
| india | | uncultured sar116 cluster alpha proteobacterium | species | 3 | 0 |
| new zealand | auckland | candidatus puniceispirillum sp. | species | 2 | 0 |
| spain | galicia | uncultured sar116 cluster alpha proteobacterium | species | 2 | 0 |
| united states | alabama | uncultured sar116 cluster alpha proteobacterium | species | 1 | 0 |
| united states | illinois | candidatus puniceispirillum sp. | species | 2 | 0 |
| united states | virginia | candidatus puniceispirillum sp. | species | 1 | 0 |