| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Sphingomonas rhizophila | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas qilianensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas psychrolutea | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas pseudosanguinis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas pruni | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas profundi | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas prati | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas populi | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas polyaromaticivorans | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas pokkalii | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas pituitosa | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas piscinae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas phyllosphaerae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas paucimobilis T | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas parapaucimobilis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas panni | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas panaciterrae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas panacisoli | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas panacis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas palustris | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas palmae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas paeninsulae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas oryziterrae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas oligophenolica | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas oligoaromativorans | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas oleivorans | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas olei | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas naphthae | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas naasensis | Unknown | Valid (ICNP) | Excubia bot over 4 years ago | |
| Sphingomonas mucosissima | Unknown | Valid (ICNP) | Excubia bot over 4 years ago |