| australia | | uncultured methylocystis sp. | species | 1 | 0 |
| brazil | | uncultured methylocystis sp. | species | 1 | 0 |
| china | | uncultured methylocystis sp. | species | 34 | 0 |
| china | hunan | uncultured methylocystis sp. | species | 3 | 0 |
| denmark | | methylocystis sp. enrichment culture clone lpl3-221 | species | 1 | 0 |
| denmark | | methylocystis sp. enrichment culture clone lpl4-90 | species | 1 | 0 |
| denmark | | methylocystis sp. enrichment culture clone r2.5-164 | species | 1 | 0 |
| denmark | | methylocystis sp. enrichment culture clone r2.f-36 | species | 1 | 0 |
| denmark | | methylocystis sp. enrichment culture clone r2.f-56 | species | 1 | 0 |
| finland | | uncultured methylocystis sp. | species | 10 | 0 |
| france | | uncultured methylocystis sp. | species | 2 | 0 |
| india | | uncultured methylocystis sp. | species | 20 | 0 |
| india | kerala | uncultured methylocystis sp. | species | 1 | 0 |
| italy | | uncultured methylocystis sp. | species | 23 | 0 |
| japan | | uncultured methylocystis sp. | species | 4 | 0 |
| japan | hokkaido prefecture | uncultured methylocystis sp. | species | 1 | 0 |
| japan | hyogo prefecture | uncultured methylocystis sp. | species | 1 | 0 |
| mexico | | uncultured methylocystis sp. | species | 12 | 0 |
| netherlands | | uncultured methylocystis sp. | species | 2 | 0 |
| new zealand | | uncultured methylocystis sp. | species | 1 | 0 |
| poland | | methylocystis sp. enrichment culture clone ppn m1.20 | species | 1 | 0 |
| poland | | methylocystis sp. enrichment culture clone ppn m2.1 | species | 1 | 0 |
| poland | | methylocystis sp. enrichment culture clone ppn m3.1 | species | 1 | 0 |
| south korea | | uncultured methylocystis sp. | species | 1 | 0 |
| spain | | uncultured methylocystis sp. | species | 2 | 0 |
| spain | castile and leon | uncultured methylocystis sp. | species | 1 | 0 |
| sweden | | uncultured methylocystis sp. | species | 1 | 0 |
| taiwan | | uncultured methylocystis sp. | species | 1 | 0 |
| united kingdom | | uncultured methylocystis sp. gsc357 | species | 1 | 0 |
| united states | | uncultured methylocystis sp. | species | 4 | 0 |
| united states | georgia | uncultured methylocystis sp. | species | 2 | 0 |
| united states | kansas | uncultured methylocystis sp. | species | 1 | 0 |
| united states | massachusetts | uncultured methylocystis sp. | species | 1 | 0 |
| united states | michigan | uncultured methylocystis sp. | species | 2 | 0 |
| united states | new york | uncultured methylocystis sp. | species | 1 | 0 |