| argentina | neuquen province | uncultured rhytismataceae | species | 1 | 0 |
| china | | uncultured rhytismataceae | species | 1 | 0 |
| united states | | uncultured rhytismataceae | species | 4 | 0 |
| united states | arkansas | uncultured rhytismataceae | species | 4 | 0 |
| united states | massachusetts | uncultured rhytismataceae | species | 1 | 0 |