| czech republic | | sporodictyon schaererianum | species | 4 | 0 |
| finland | | sporodictyon schaererianum | species | 1 | 0 |
| greenland | | sporodictyon schaererianum | species | 2 | 0 |
| iceland | | sporodictyon schaererianum | species | 7 | 0 |
| norway | | sporodictyon schaererianum | species | 15 | 0 |
| sweden | | sporodictyon schaererianum | species | 37 | 0 |
| united states | alaska | sporodictyon schaererianum | species | 1 | 0 |