| belgium | | mariannaea elegans var. elegans | varietas | 1 | 0 |
| brazil | bahia | mariannaea elegans | species | 1 | 0 |
| canada | | mariannaea elegans | species | 1 | 0 |
| canada | ontario | mariannaea elegans | species | 1 | 0 |
| canada | ontario | mariannaea elegans var. elegans | varietas | 1 | 0 |
| china | | mariannaea elegans | species | 3 | 0 |
| china | shandong | mariannaea elegans | species | 2 | 0 |
| finland | | mariannaea elegans | species | 1 | 0 |
| germany | | mariannaea elegans var. elegans | varietas | 2 | 0 |
| japan | miyagi ken prefecture | mariannaea elegans | species | 1 | 0 |
| latvia | | mariannaea elegans | species | 1 | 0 |
| lithuania | | mariannaea elegans | species | 2 | 0 |
| poland | warmian-masurian province | mariannaea elegans | species | 951 | 0 |
| sweden | | mariannaea elegans | species | 2 | 0 |
| switzerland | graubunden region | mariannaea elegans | species | 1 | 0 |
| ukraine | | mariannaea elegans | species | 1 | 0 |
| united states | illinois | mariannaea elegans | species | 1 | 0 |