| antarctica | | uncultured trebouxiophyceae | species | 28 | 0 |
| canada | | uncultured trebouxiophyceae | species | 7 | 0 |
| germany | | uncultured trebouxiophyceae | species | 16 | 0 |
| germany | saxony | uncultured trebouxiophyceae | species | 1 | 0 |
| italy | tuscany region | uncultured trebouxiophyceae | species | 2 | 0 |
| switzerland | | uncultured trebouxiophyceae | species | 3 | 0 |
| united kingdom | england | uncultured trebouxiophyceae | species | 1 | 0 |
| united states | california | uncultured trebouxiophyceae | species | 3 | 0 |
| united states | hawaii | uncultured trebouxiophyceae | species | 3 | 0 |