| Species | RefIntense Num | Refseq Num | Source |
|---|---|---|---|
| Helicobacter pylori | 9 | 2229 | HMP/MGYG |
| Helicobacter rappini | 1 | 1 | MGYG |
| Helicobacter winghamensis | 2 | 8 | HMP/MGYG |
| Heliomicrobium modesticaldum | 1 | 1 | HMP |
| Herbaspirillum seropedicae | 1 | 6 | HMP |
| Hirschia baltica | 1 | 1 | HMP |
| Histophilus somni | 1 | 58 | HMP |
| Hoeflea phototrophica | 1 | 1 | HMP |
| Holdemanella biformis | 2 | 13 | HMP/MGYG |
| Holdemania filiformis | 2 | 4 | HMP/MGYG |