| Species | RefIntense Num | Refseq Num | Source |
|---|---|---|---|
| Pygmaiobacter massiliensis | 1 | 1 | MGYG |
| Pyramidobacter piscolens | 2 | 2 | HMP/MGYG |
| Ralstonia pickettii | 2 | 82 | HMP/MGYG |
| Ralstonia solanacearum | 4 | 289 | HMP |
| Raoultella ornithinolytica | 1 | 114 | MGYG |
| Reinekea blandensis | 1 | 1 | HMP |
| Renibacterium salmoninarum | 1 | 3 | HMP |
| Rhizobium etli | 4 | 9 | HMP |
| Rhizobium leguminosarum | 2 | 519 | HMP |
| Rhizobium phaseoli | 1 | 26 | HMP |