| Species | RefIntense Num | Refseq Num | Source |
|---|---|---|---|
| Rhodobacter capsulatus | 1 | 14 | HMP |
| Rhodococcus jostii | 1 | 3 | HMP |
| Rhodopirellula baltica | 1 | 4 | HMP |
| Rhodopseudomonas palustris | 6 | 17 | HMP |
| Rhodothermus marinus | 1 | 6 | HMP |
| Rickettsia bellii | 1 | 5 | HMP |
| Rickettsia canadensis | 1 | 2 | HMP |
| Rickettsia felis | 1 | 3 | HMP |
| Rickettsia massiliae | 1 | 2 | HMP |
| Rickettsia prowazekii | 1 | 12 | HMP |