| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Xanthomonas hydrangeae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Xanthomonas gardneri | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Xanthomonas fuscans | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Xanthomonas fuscans subsp. fuscans | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Xanthomonas fuscans subsp. aurantifolii | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Xanthomonas bonasiae | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Xanthomonas ampelina | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Xanthobacter dioxanivorans | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Wolinella recta | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Wolinella curva | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Wolbachia | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Wolbachia pipientis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Wolbachia persica | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Wolbachia melophagi | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Winogradskyella marina | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Winogradskyella luteola | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Williamsia soli | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Williamsia aurantiacus | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Wielerella | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Wielerella bovis T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Wenjunlia | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Wenjunlia vitaminophila T | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Wenjunlia tyrosinilytica | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Weizmannia faecalis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Weissella kimchii | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Weissella jogaejeotgali | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Weeksella zoohelcum | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Wautersia taiwanensis | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Wautersia respiraculi | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago | |
| Wautersia paucula | Unknown | Valid (ICNP) | Excubia bot almost 3 years ago |