| china | | plectosphaerella oligotrophica | species | 14 | 0 |
| china | guangdong | plectosphaerella oligotrophica | species | 10 | 0 |
| egypt | beheira governorate | plectosphaerella oligotrophica | species | 2 | 0 |
| germany | schleswig-holstein | plectosphaerella oligotrophica | species | 1 | 0 |
| kenya | | plectosphaerella oligotrophica | species | 1 | 0 |
| russia | | plectosphaerella oligotrophica | species | 3 | 0 |
| united states | connecticut | plectosphaerella oligotrophica | species | 2 | 0 |
| vietnam | | plectosphaerella oligotrophica | species | 1 | 0 |