| australia | tasmania | acrochaetium sp. 1nl | species | 2 | 0 |
| canada | | acrochaetium sp. gws002149 | species | 1 | 0 |
| canada | british columbia | acrochaetium arcuatum | species | 3 | 0 |
| canada | british columbia | acrochaetium moniliforme | species | 1 | 0 |
| canada | british columbia | acrochaetium secundatum | species | 2 | 0 |
| canada | manitoba | acrochaetium sp. gws005411a | species | 1 | 0 |
| canada | new brunswick | acrochaetium alariae | species | 2 | 0 |
| canada | new brunswick | acrochaetium moniliforme | species | 3 | 0 |
| canada | new brunswick | acrochaetium secundatum | species | 1 | 0 |
| canada | newfoundland and labrador | acrochaetium sp. 1nl | species | 2 | 0 |
| canada | nova scotia | acrochaetium humile | species | 3 | 0 |
| canada | nova scotia | acrochaetium luxurians | species | 3 | 0 |
| canada | nova scotia | acrochaetium parvulum | species | 1 | 0 |
| canada | nova scotia | acrochaetium secundatum | species | 4 | 0 |
| russia | | acrochaetium alariae | species | 2 | 0 |
| united kingdom | england | acrochaetium humile | species | 2 | 0 |
| united kingdom | wales | acrochaetium moniliforme | species | 1 | 0 |
| united states | | acrochaetium plumosum | species | 2 | 0 |
| united states | california | acrochaetium densum | species | 1 | 0 |
| united states | california | acrochaetium secundatum | species | 7 | 0 |