| canada | ontario | hygrophorus olivaceoalbus | species | 2 | 0 |
| canada | quebec | hygrophorus olivaceoalbus | species | 2 | 0 |
| czech republic | | hygrophorus olivaceoalbus | species | 1 | 0 |
| finland | | hygrophorus olivaceoalbus | species | 2 | 0 |
| france | | hygrophorus olivaceoalbus | species | 1 | 0 |
| germany | | hygrophorus olivaceoalbus | species | 2 | 0 |
| germany | lower saxony | hygrophorus olivaceoalbus | species | 4 | 0 |
| germany | saxony | hygrophorus olivaceoalbus | species | 1 | 0 |
| italy | | hygrophorus olivaceoalbus | species | 1 | 0 |
| latvia | | hygrophorus olivaceoalbus | species | 1 | 0 |
| sweden | | hygrophorus olivaceoalbus | species | 3 | 0 |
| united states | | hygrophorus olivaceoalbus | species | 1 | 0 |