| belgium | | megalocystidium leucoxanthum | species | 1 | 0 |
| france | | megalocystidium leucoxanthum | species | 1 | 0 |
| russia | khabarovsk krai | megalocystidium leucoxanthum | species | 2 | 0 |
| russia | krasnoyarsk krai | megalocystidium leucoxanthum | species | 2 | 0 |
| slovenia | | megalocystidium leucoxanthum | species | 2 | 0 |
| united kingdom | england | megalocystidium leucoxanthum | species | 1 | 0 |