| canada | british columbia | microspongium globosum | species | 2 | 0 |
| chile | | microspongium radians | species | 1 | 0 |
| chile | los rios region | microspongium tenuissimum | species | 1 | 0 |
| france | | microspongium alariae | species | 1 | 0 |
| france | bretagne region | microspongium tenuissimum | species | 6 | 0 |
| germany | schleswig-holstein | microspongium tenuissimum | species | 1 | 0 |
| italy | tuscany region | microspongium tenuissimum | species | 1 | 0 |
| russia | | microspongium globosum | species | 2 | 0 |
| south africa | | microspongium radians | species | 1 | 0 |
| united kingdom | | microspongium alariae | species | 6 | 0 |
| united states | maine | microspongium alariae | species | 3 | 0 |