| bolivia | | pteridium esculentum subsp. arachnoideum | species | 4 | 0 |
| brazil | | pteridium esculentum subsp. arachnoideum | species | 16 | 0 |
| brazil | sao paulo | pteridium esculentum subsp. arachnoideum | species | 3 | 0 |
| ecuador | | pteridium esculentum subsp. arachnoideum | species | 62 | 0 |
| french guiana | | pteridium esculentum subsp. arachnoideum | species | 2 | 0 |
| mexico | | pteridium esculentum subsp. arachnoideum | species | 3 | 0 |
| puerto rico | | pteridium esculentum subsp. arachnoideum | species | 4 | 0 |
| venezuela | | pteridium esculentum subsp. arachnoideum | species | 2 | 0 |
| venezuela | merida | pteridium esculentum subsp. arachnoideum | species | 2 | 0 |