| bahamas | | kwoniella botswanensis | species | 10 | 0 |
| bahamas | | kwoniella mangrovensis | species | 31 | 0 |
| botswana | | kwoniella botswanensis | species | 47 | 0 |
| brazil | | kwoniella mangrovensis | species | 20 | 0 |
| brazil | | kwoniella sp. k30 | species | 8 | 0 |
| brazil | | kwoniella sp. su31.1.1 | species | 1 | 0 |
| brazil | pernambuco | kwoniella sp. | species | 1 | 0 |
| brazil | sao paulo | kwoniella mangrovensis | species | 1 | 0 |
| british virgin islands | | kwoniella mangrovensis | species | 8 | 0 |
| china | | kwoniella mangrovensis | species | 1 | 0 |
| india | | kwoniella mangrovensis | species | 2 | 0 |
| india | | kwoniella sp. | species | 3 | 0 |
| israel | | kwoniella europaea | species | 1 | 0 |
| italy | umbria region | kwoniella sp. | species | 37 | 0 |
| mexico | | kwoniella mangrovensis | species | 1 | 0 |
| portugal | | kwoniella betulae | species | 1 | 0 |
| russia | | kwoniella sp. | species | 2 | 0 |
| russia | | kwoniella sp. kbp y-5323 | species | 1 | 0 |
| russia | moscow city | kwoniella sp. | species | 7 | 0 |
| russia | moscow city | kwoniella sp. kbp y-5323 | species | 2 | 0 |
| slovenia | | kwoniella europaea | species | 7 | 0 |
| south africa | the western cape province | kwoniella europaea | species | 1 | 0 |
| south africa | the western cape province | kwoniella sp. | species | 18 | 0 |
| south korea | daejeon city | kwoniella sp. hb18-2 | species | 13 | 0 |
| south korea | daejeon city | kwoniella sp. hb31-3 | species | 1 | 0 |
| south korea | daejeon city | kwoniella sp. hb32-2 | species | 1 | 0 |
| spain | | kwoniella europaea | species | 10 | 0 |
| switzerland | | kwoniella europaea | species | 8 | 0 |
| thailand | rayong province | kwoniella sp. | species | 1 | 0 |
| united states | | kwoniella sp. k9 | species | 8 | 0 |
| united states | california | kwoniella sp. | species | 1 | 0 |
| united states | florida | kwoniella mangrovensis | species | 0 | 1 |
| united states | minnesota | kwoniella sp. | species | 1 | 0 |
| united states | new hampshire | kwoniella betulae | species | 3 | 0 |
| united states | new hampshire | kwoniella newhampshirensis | species | 1 | 0 |
| vietnam | | kwoniella mangrovensis | species | 1 | 0 |
| vietnam | dong nai province | kwoniella mangrovensis | species | 1 | 0 |