| australia | western australia | basidiodendron sp. | species | 2 | 0 |
| canada | | basidiodendron eyrei | species | 1 | 0 |
| canada | ontario | basidiodendron sp. | species | 1 | 0 |
| china | | basidiodendron caesiocinereum | species | 1 | 0 |
| costa rica | | basidiodendron rimosum | species | 1 | 0 |
| germany | | basidiodendron caesiocinereum var. caesiocinereum | varietas | 1 | 0 |
| germany | | basidiodendron caesiocinereum var. trachysporum | varietas | 1 | 0 |
| germany | | basidiodendron cinereum | species | 1 | 0 |
| germany | | basidiodendron eyrei | species | 1 | 0 |
| germany | | basidiodendron grandinioides | species | 1 | 0 |
| italy | | basidiodendron caesiocinereum | species | 3 | 0 |
| japan | | basidiodendron eyrei | species | 2 | 0 |
| new zealand | northland | basidiodendron caesiocinereum | species | 1 | 0 |
| new zealand | wellington | basidiodendron sp. | species | 1 | 0 |
| norway | | basidiodendron caesiocinereum | species | 22 | 0 |
| norway | | basidiodendron grandinioides | species | 4 | 0 |
| norway | telemark county | basidiodendron caesiocinereum | species | 1 | 0 |
| russia | | basidiodendron caesiocinereum | species | 2 | 0 |
| russia | | basidiodendron eyrei | species | 7 | 0 |
| spain | | basidiodendron eyrei | species | 1 | 0 |
| switzerland | | basidiodendron eyrei | species | 2 | 0 |
| united states | | basidiodendron eyrei | species | 3 | 0 |
| united states | california | basidiodendron caesiocinereum | species | 1 | 0 |