| spain | balearic islands | pelodictyon phaeum | species | 1 | 0 |
| switzerland | basel-stadt region | pelodictyon clathratiforme | species | 1 | 0 |
| switzerland | basel-stadt region | pelodictyon phaeoclathratiforme | species | 1 | 0 |
| taiwan | | uncultured pelodictyon sp. | species | 1 | 0 |
| united states | michigan | pelodictyon | genus | 0 | 2 |