| australia | new south wales | essigella californica | species | 1 | 0 |
| canada | alberta | essigella knowltoni | species | 54 | 0 |
| canada | alberta | essigella sp. bold-2016 | species | 30 | 0 |
| canada | british columbia | essigella californica | species | 109 | 0 |
| canada | british columbia | essigella fusca | species | 18 | 0 |
| canada | british columbia | essigella knowltoni | species | 4 | 0 |
| canada | british columbia | essigella sp. bold:aai4968 | species | 11 | 0 |
| canada | british columbia | essigella sp. bold-2016 | species | 29 | 0 |
| canada | new brunswick | essigella sp. bold:acm1471 | species | 1 | 0 |
| canada | northwest territories | essigella knowltoni | species | 2 | 0 |
| canada | nova scotia | essigella sp. bold:aai4969 | species | 3 | 0 |
| canada | nova scotia | essigella sp. bold-2016 | species | 1 | 0 |
| canada | ontario | essigella californica | species | 4 | 0 |
| canada | ontario | essigella sp. bold:aai4968 | species | 3 | 0 |
| canada | ontario | essigella sp. bold:aai4969 | species | 1 | 0 |
| canada | ontario | essigella sp. bold:aai4970 | species | 1 | 0 |
| canada | ontario | essigella sp. bold-2016 | species | 52 | 0 |
| canada | quebec | essigella sp. bold:acm1471 | species | 6 | 0 |
| canada | saskatchewan | essigella sp. bold-2016 | species | 2 | 0 |
| canada | yukon | essigella knowltoni | species | 1 | 0 |
| china | | essigella californica | species | 10 | 0 |
| china | | essigella hoerneri | species | 5 | 0 |
| china | | essigella knowltoni | species | 5 | 0 |
| france | bretagne region | essigella californica | species | 1 | 0 |
| new zealand | | essigella californica | species | 1 | 0 |
| new zealand | canterbury | essigella californica | species | 1 | 0 |
| united kingdom | england | essigella californica | species | 21 | 0 |
| united states | california | essigella californica | species | 1 | 0 |
| united states | california | essigella fusca | species | 1 | 0 |
| united states | oregon | essigella knowltoni | species | 2 | 0 |