| canada | alberta | methanobrevibacter ruminantium | species | 1 | 0 |
| canada | ontario | methanobrevibacter ruminantium | species | 0 | 1 |
| canada | prince edward island | methanobrevibacter ruminantium | species | 0 | 1 |
| china | | methanobrevibacter ruminantium | species | 19 | 0 |
| china | | methanobrevibacter ruminantium m1 | no rank | 1 | 0 |
| china | qinghai | methanobrevibacter ruminantium | species | 0 | 1 |
| china | tibet | methanobrevibacter ruminantium | species | 1 | 0 |
| venezuela | apure | methanobrevibacter ruminantium | species | 0 | 1 |