| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Hugenholtzia roseola | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hugenholtzia | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Huanghella arctica T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Huanghella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Huakuichenia soli T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Huakuichenia | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hoyosella subflava | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hoyosella rhizosphaerae | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hoyosella altamirensis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hoyosella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Howardella ureilytica T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Howardella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hoppeia youngheungensis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hoppeia | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Homoserinimonas aerilata T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Homoserinimonas | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Homoserinibacter gongjuensis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Homoserinibacter | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Holzapfelia floricola T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Holzapfelia | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Holophaga foetida T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Holophaga | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Holdemania massiliensis | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Holdemania filiformis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Holdemania | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Holdemanella biformis T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Holdemanella | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hoeflea phototrophica | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hoeflea olei | Unknown | Valid (ICNP) | Excubia bot about 3 years ago | |
| Hoeflea marina T | Unknown | Valid (ICNP) | Excubia bot about 3 years ago |