| canada | british columbia | onoclea sensibilis | species | 2 | 0 |
| canada | ontario | matteuccia struthiopteris | species | 2 | 0 |
| canada | ontario | onoclea sensibilis | species | 5 | 0 |
| canada | quebec | matteuccia struthiopteris | species | 2 | 0 |
| canada | quebec | matteuccia struthiopteris var. pensylvanica | varietas | 2 | 0 |
| canada | quebec | onoclea sensibilis | species | 2 | 0 |
| china | hubei | pentarhizidium orientale | species | 2 | 0 |
| china | sichuan | pentarhizidium intermedium | species | 1 | 0 |
| china | tibet | pentarhizidium intermedium | species | 2 | 0 |
| india | | matteuccia struthiopteris | species | 2 | 0 |
| italy | aosta valley autonomous region | matteuccia struthiopteris | species | 9 | 0 |
| japan | | matteuccia struthiopteris | species | 2 | 0 |
| japan | | onoclea sensibilis var. interrupta | varietas | 2 | 0 |
| japan | tokyo prefecture | matteuccia struthiopteris | species | 2 | 0 |
| mexico | oaxaca | onocleopsis hintonii | species | 2 | 0 |
| united states | district of columbia | matteuccia struthiopteris | species | 2 | 0 |
| united states | maryland | onoclea sensibilis | species | 2 | 0 |
| united states | virginia | onoclea sensibilis | species | 2 | 0 |
| united states | washington | onoclea sensibilis | species | 2 | 0 |
| united states | wisconsin | matteuccia struthiopteris | species | 4 | 0 |
| united states | wisconsin | onoclea sensibilis | species | 4 | 0 |